Conner Mantz

Distance runner

Conner Mantz

American marathon runner and US marathon record holder

Make Conner Mantz your rival

54 sourced records. Each exercise has a top recorded mark and its evidence. Check the date, age, effort and method before you compare.

Conner Mantz marathon

Conner Mantz's recorded marathon is 2:04:43. Performance date: 2025-10-12. Age at the time: 28. This was a competition result. The source at worldathletics.org gives this mark. Source type: official result.

Compare your marathon with Conner Mantz

Bank of America Chicago Marathon (Chicago, IL (USA)) · Season best 2025, road, age 28

Source quote and limits
“Marathon 2025 2:04:43 Chicago, IL (USA) 12 OCT 2025”

Conner MANTZ | Profile | World Athletics

Season's best for 2025 in the World Athletics progression table (Marathon).

  1. 2025

    • Marathon2:04:43

      CompetitionSeason best 2025, road, age 28

      Official result, worldathletics.org2025-10-12 · age 28

      Quote and details
      “Marathon 2025 2:04:43 Chicago, IL (USA) 12 OCT 2025”

      Conner MANTZ | Profile | World AthleticsBank of America Chicago Marathon (Chicago, IL (USA))

    • Marathon2:05:08

      CompetitionMajor Marathon, place 4 in this race, road, age 28

      Official result, worldathletics.org2025-04-21 · age 28

      Quote and details
      “4. Marathon 2:05:08 21 APR 2025 Boston Marathon”

      Conner MANTZ | Profile | World AthleticsBoston Marathon (Boston, MA (USA))

  2. 2024

    • Marathon2:09:00

      CompetitionMajor Marathon, place 6 in this race, road, age 27

      Official result, worldathletics.org2024-11-03 · age 27

      Quote and details
      “6. Marathon 2:09:00 03 NOV 2024 TCS New York City Marathon”

      Conner MANTZ | Profile | World AthleticsTCS New York City Marathon (New York, NY (USA))

    • Marathon2:08:12

      CompetitionSeason best 2024, road, age 27

      Official result, worldathletics.org2024-08-10 · age 27

      Quote and details
      “Marathon 2024 2:08:12 Stade de France, Paris (FRA) 10 AUG 2024”

      Conner MANTZ | Profile | World AthleticsThe XXXIII Olympic Games (Stade de France, Paris (FRA))

    • Marathon2:09:05

      CompetitionNational Championships, place 1 in this race, road, age 27

      Official result, worldathletics.org2024-02-03 · age 27

      Quote and details
      “1. Marathon 2:09:05 03 FEB 2024 U.S. Olympic Team Trials - Marathon”

      Conner MANTZ | Profile | World AthleticsU.S. Olympic Team Trials - Marathon (Orlando, FL (USA))

  3. 2023

    • Marathon2:07:47

      CompetitionSeason best 2023, road, age 26

      Official result, worldathletics.org2023-10-08 · age 26

      Quote and details
      “Marathon 2023 2:07:47 Chicago, IL (USA) 08 OCT 2023”

      Conner MANTZ | Profile | World AthleticsBank of America Chicago Marathon (Chicago, IL (USA))

  4. 2022

    • Marathon2:08:16

      CompetitionSeason best 2022, road, age 25

      Official result, worldathletics.org2022-10-09 · age 25

      Quote and details
      “Marathon 2022 2:08:16 Chicago, IL (USA) 09 OCT 2022”

      Conner MANTZ | Profile | World AthleticsBank of America Chicago Marathon (Chicago, IL (USA))

Conner Mantz mile

Conner Mantz's recorded mile is 4:07.63. Performance date: 2014-06-14. Age at the time: 17 (youth record). This was a competition result. The source at worldathletics.org gives this mark. Source type: official result.

Compare your mile with Conner Mantz

New York adidas Grand Prix (Icahn Stadium, New York, NY (USA)) · Season best 2014, track, age 17

Source quote and limits
“Mile 2014 4:07.63 Icahn Stadium, New York, NY (USA) 14 JUN 2014”

Conner MANTZ | Profile | World Athletics

Season's best for 2014 in the World Athletics progression table (Mile).

  1. 2018

    • Mile4:17.15

      CompetitionSeason best 2018, track, age 21

      Official result, worldathletics.org2018-05-12 · age 21

      Quote and details
      “Mile 2018 4:17.15 Provo, UT (USA) 12 MAY 2018”

      Conner MANTZ | Profile | World AthleticsProvo BYU Cougar Invitational (Provo, UT (USA))

  2. 2015

    • Mile4:08.57

      CompetitionSeason best 2015, track, age 18

      Official result, worldathletics.org2015-05-23 · age 18

      Quote and details
      “Mile 2015 4:08.57 Orlando, FL (USA) 23 MAY 2015”

      Conner MANTZ | Profile | World AthleticsOrlando Golden South Classic (Orlando, FL (USA))

  3. 2014

    • Mile4:07.63

      CompetitionYouth recordSeason best 2014, track, age 17

      Official result, worldathletics.org2014-06-14 · age 17

      Quote and details
      “Mile 2014 4:07.63 Icahn Stadium, New York, NY (USA) 14 JUN 2014”

      Conner MANTZ | Profile | World AthleticsNew York adidas Grand Prix (Icahn Stadium, New York, NY (USA))

    • Mile4:18.25

      CompetitionYouth recordSeason best 2014, indoor track, age 17

      Official result, worldathletics.org2014-01-25 · age 17

      Quote and details
      “Mile Short Track 2014 4:18.25 Nampa, ID (USA) (i) 25 JAN 2014”

      Conner MANTZ | Profile | World AthleticsNampa Jacksons Inviatational (Nampa, ID (USA) (i))

Conner Mantz 5k

Conner Mantz's recorded 5k is 13:10.24. Performance date: 2022-02-12. Age at the time: 25. This was a competition result. The source at worldathletics.org gives this mark. Source type: official result.

Compare your 5k with Conner Mantz

Boston University David Hemery Valentine Invitational (Boston Univ. Track & Tennis Center, Boston, MA (USA) (i)) · Season best 2022, indoor track, age 25

Source quote and limits
“5000 Metres 2022 13:10.24 Boston Univ. Track & Tennis Center, Boston, MA (USA) (i) 12 FEB 2022”

Conner MANTZ | Profile | World Athletics

Season's best for 2022 in the World Athletics progression table (5000 Metres).

  1. 2023

    • 5K13:30.85

      CompetitionSeason best 2023, track, age 26

      Official result, worldathletics.org2023-07-09 · age 26

      Quote and details
      “5000 Metres 2023 13:30.85 Hayward Field, Eugene, OR (USA) 09 JUL 2023”

      Conner MANTZ | Profile | World AthleticsUSA Championships (Hayward Field, Eugene, OR (USA))

  2. 2022

    • 5K13:10.24

      CompetitionSeason best 2022, indoor track, age 25

      Official result, worldathletics.org2022-02-12 · age 25

      Quote and details
      “5000 Metres 2022 13:10.24 Boston Univ. Track & Tennis Center, Boston, MA (USA) (i) 12 FEB 2022”

      Conner MANTZ | Profile | World AthleticsBoston University David Hemery Valentine Invitational (Boston Univ. Track & Tennis Center, Boston, MA (USA) (i))

    • 5K13:11.81

      CompetitionPlace 4th, National championships, age 25 or 26

      News report, en.wikipedia.org2022 · age 25–26medium confidence

      Quote and details
      “2022 USA Outdoor Track and Field Championships Eugene, Oregon 4th 5000 m 13:11.81”

      Conner Mantz - Wikipedia2022 USA Outdoor Track and Field Championships (Eugene, Oregon)

  3. 2021

    • 5K13:24.78

      CompetitionSeason best 2021, track, age 24

      Official result, worldathletics.org2021-04-02 · age 24

      Quote and details
      “5000 Metres 2021 13:24.78 Hayward Field, Eugene, OR (USA) 02 APR 2021”

      Conner MANTZ | Profile | World AthleticsHayward Premiere (Hayward Field, Eugene, OR (USA))

    • 5K13:32.69

      CompetitionPlace 8th, National championships, age 24 or 25

      News report, en.wikipedia.org2021 · age 24–25medium confidence

      Quote and details
      “8th 5000 m 13:32.69”

      Conner Mantz - WikipediaUnited States Olympic Trials (Eugene, Oregon)

  4. 2020

    • 5K13:51.22

      CompetitionSeason best 2020, track, age 23

      Official result, worldathletics.org2020-07-11 · age 23

      Quote and details
      “5000 Metres 2020 13:51.22 St. George, UT (USA) 11 JUL 2020”

      Conner MANTZ | Profile | World AthleticsKT Tape St. George 5000m Showdown (St. George, UT (USA))

  5. 2019

    • 5K13:29.73

      CompetitionSeason best 2019, track, age 22

      Official result, worldathletics.org2019-05-02 · age 22

      Quote and details
      “5000 Metres 2019 13:29.73 Palo Alto, CA (USA) 02 MAY 2019”

      Conner MANTZ | Profile | World AthleticsPayton Jordan Invitational (Palo Alto, CA (USA))

    • 5K13:51.45

      CompetitionSeason best 2019, indoor track, age 22

      Official result, worldathletics.org2019-03-08 · age 22

      Quote and details
      “5000 Metres Short Track 2019 13:51.45 Birmingham, AL (USA) (i) 08 MAR 2019”

      Conner MANTZ | Profile | World AthleticsNCAA Div. I Indoor Championships (Birmingham, AL (USA) (i))

  6. 2018

    • 5K13:52.12

      CompetitionSeason best 2018, track, age 21

      Official result, worldathletics.org2018-04-20 · age 21

      Quote and details
      “5000 Metres 2018 13:52.12 Torrance, CA (USA) 20 APR 2018”

      Conner MANTZ | Profile | World AthleticsTorrance Mt. SAC Relays (Torrance, CA (USA))

  7. 2014

    • 5K14:24.33

      CompetitionYouth recordSeason best 2014, indoor track, age 17

      Official result, worldathletics.org2014-03-14 · age 17

      Quote and details
      “5000 Metres 2014 14:24.33 New York, NY (USA) (i) 14 MAR 2014”

      Conner MANTZ | Profile | World AthleticsNew York New Balance Nationals (New York, NY (USA) (i))

Conner Mantz 10k

Conner Mantz's recorded 10k is 27:25.23. Performance date: 2022-03-06. Age at the time: 25. This was a competition result. The source at worldathletics.org gives this mark. Source type: official result.

Compare your 10k with Conner Mantz

Sound Running TEN (JSerra Catholic HS, San Juan Capistrano, CA (USA)) · Season best 2022, track, age 25

Source quote and limits
“10,000 Metres 2022 27:25.23 JSerra Catholic HS, San Juan Capistrano, CA (USA) 06 MAR 2022”

Conner MANTZ | Profile | World Athletics

Season's best for 2022 in the World Athletics progression table (10,000 Metres).

  1. 2025

    • 10K27:26

      CompetitionSeason best 2025, road, age 28

      Official result, worldathletics.org2025-08-02 · age 28

      Quote and details
      “10 Kilometres Road 2025 27:26 1000 Shore Road, Cape Elizabeth, ME (USA) 02 AUG 2025”

      Conner MANTZ | Profile | World AthleticsTD Beach to Beacon 10K Road Race (1000 Shore Road, Cape Elizabeth, ME (USA))

    • 10K27:35.22

      CompetitionSeason best 2025, track, age 28

      Official result, worldathletics.org2025-07-05 · age 28

      Quote and details
      “10,000 Metres 2025 27:35.22 Hayward Field, Eugene, OR (USA) 05 JUL 2025”

      Conner MANTZ | Profile | World AthleticsPrefontaine Classic (Hayward Field, Eugene, OR (USA))

  2. 2024

    • 10K28:00.9

      CompetitionSeason best 2024, track, age 27

      Official result, worldathletics.org2024-06-21 · age 27

      Quote and details
      “10,000 Metres 2024 28:00.90 Hayward Field, Eugene, OR (USA) 21 JUN 2024”

      Conner MANTZ | Profile | World AthleticsU.S. Olympic Team Trials (Hayward Field, Eugene, OR (USA))

    • 10K29:13

      CompetitionSeason best 2024, road, age 27

      Official result, worldathletics.org2024-05-27 · age 27

      Quote and details
      “10 Kilometres Road 2024 29:13 Boulder, CO (USA) 27 MAY 2024”

      Conner MANTZ | Profile | World AthleticsBolderboulder (Boulder, CO (USA))

  3. 2023

    • 10K27:58

      CompetitionSeason best 2023, road, age 26

      Official result, worldathletics.org2023-08-05 · age 26

      Quote and details
      “10 Kilometres Road 2023 27:58 1000 Shore Road, Cape Elizabeth, ME (USA) 05 AUG 2023”

      Conner MANTZ | Profile | World AthleticsTD Beach to Beacon 10K Road Race (1000 Shore Road, Cape Elizabeth, ME (USA))

    • 10K27:25.3

      CompetitionSeason best 2023, track, age 26

      Official result, worldathletics.org2023-03-04 · age 26

      Quote and details
      “10,000 Metres 2023 27:25.30 JSerra Catholic HS, San Juan Capistrano, CA (USA) 04 MAR 2023”

      Conner MANTZ | Profile | World AthleticsThe TEN (JSerra Catholic HS, San Juan Capistrano, CA (USA))

    • 10K28:29.36

      CompetitionPlace 6th, National championships, age 26 or 27

      News report, en.wikipedia.org2023 · age 26–27medium confidence

      Quote and details
      “2023 2023 USA Outdoor Track and Field Championships Eugene, Oregon 6th 10,000 m 28:29.36”

      Conner Mantz - Wikipedia2023 USA Outdoor Track and Field Championships (Eugene, Oregon)

  4. 2022

    • 10K28:05

      CompetitionSeason best 2022, road, age 25

      Official result, worldathletics.org2022-07-04 · age 25

      Quote and details
      “10 Kilometres Road 2022 28:05 Atlanta, GA (USA) 04 JUL 2022”

      Conner MANTZ | Profile | World AthleticsAJC Peachtree Road Race (Atlanta, GA (USA))

    • 10K27:25.23

      CompetitionSeason best 2022, track, age 25

      Official result, worldathletics.org2022-03-06 · age 25

      Quote and details
      “10,000 Metres 2022 27:25.23 JSerra Catholic HS, San Juan Capistrano, CA (USA) 06 MAR 2022”

      Conner MANTZ | Profile | World AthleticsSound Running TEN (JSerra Catholic HS, San Juan Capistrano, CA (USA))

    • 10K28:31.24

      CompetitionPlace 7th, National championships, age 25 or 26

      News report, en.wikipedia.org2022 · age 25–26medium confidence

      Quote and details
      “7th 10000 m 28:31.24”

      Conner Mantz - Wikipedia2022 USA Outdoor Track and Field Championships (Eugene, Oregon)

  5. 2021

    • 10K27:41.16

      CompetitionSeason best 2021, track, age 24

      Official result, worldathletics.org2021-05-14 · age 24

      Quote and details
      “10,000 Metres 2021 27:41.16 Irvine, CA (USA) 14 MAY 2021”

      Conner MANTZ | Profile | World AthleticsTrack Meet (Irvine, CA (USA))

    • 10K27:59.37

      CompetitionPlace 5th, National championships, age 24 or 25

      News report, en.wikipedia.org2021 · age 24–25medium confidence

      Quote and details
      “2021 United States Olympic Trials Eugene, Oregon 5th 10,000 m 27:59.37”

      Conner Mantz - WikipediaUnited States Olympic Trials (Eugene, Oregon)

  6. 2020

    • 10K28:07.7

      CompetitionSeason best 2020, track, age 23

      Official result, worldathletics.org2020-08-29 · age 23

      Quote and details
      “10,000 Metres 2020 28:07.70 Los Angeles, CA (USA) 29 AUG 2020”

      Conner MANTZ | Profile | World AthleticsUnder Armour Sunset Tour (Los Angeles, CA (USA))

  7. 2019

    • 10K28:18.18

      CompetitionSeason best 2019, track, age 22

      Official result, worldathletics.org2019-03-29 · age 22

      Quote and details
      “10,000 Metres 2019 28:18.18 Palo Alto, CA (USA) 29 MAR 2019”

      Conner MANTZ | Profile | World AthleticsStanford Invitational (Palo Alto, CA (USA))

  8. 2018

    • 10K28:57.83

      CompetitionSeason best 2018, track, age 21

      Official result, worldathletics.org2018-03-30 · age 21

      Quote and details
      “10,000 Metres 2018 28:57.83 Palo Alto, CA (USA) 30 MAR 2018”

      Conner MANTZ | Profile | World AthleticsPalo Alto Stanford Invitational (Palo Alto, CA (USA))

  9. 2014

    • 10K31:01.25

      CompetitionYouth recordSeason best 2014, track, age 17

      Official result, worldathletics.org2014-07-06 · age 17

      Quote and details
      “10,000 Metres 2014 31:01.25 Eugene, OR (USA) 06 JUL 2014”

      Conner MANTZ | Profile | World AthleticsEugene USA Junior Championships (Eugene, OR (USA))

Conner Mantz half marathon

Conner Mantz's recorded half marathon is 59:15. Performance date: 2025-03-16. Age at the time: 28. This was a competition result. The source at worldathletics.org gives this mark. Source type: official result.

Compare your half marathon with Conner Mantz

United Airlines NYC Half (New York, NY (USA)) · Season best 2025, road, age 28

Source quote and limits
“Half Marathon 2025 59:15 New York, NY (USA) 16 MAR 2025”

Conner MANTZ | Profile | World Athletics

Season's best for 2025 in the World Athletics progression table (Half Marathon).

  1. 2026

    • Half marathon1:00:08

      CompetitionSeason best 2026, road, age 29

      Official result, worldathletics.org2026-09-20 · age 29

      Quote and details
      “Half Marathon 2026 1:00:08 København (DEN) 20 SEP 2026”

      Conner MANTZ | Profile | World AthleticsWorld Athletics Road Running Championships (København (DEN))

  2. 2025

    • Half marathon59:15

      CompetitionSeason best 2025, road, age 28

      Official result, worldathletics.org2025-03-16 · age 28

      Quote and details
      “Half Marathon 2025 59:15 New York, NY (USA) 16 MAR 2025”

      Conner MANTZ | Profile | World AthleticsUnited Airlines NYC Half (New York, NY (USA))

  3. 2023

    • Half marathon1:01:12

      CompetitionSeason best 2023, road, age 26

      Official result, worldathletics.org2023-01-15 · age 26

      Quote and details
      “Half Marathon 2023 1:01:12 Houston, TX (USA) 15 JAN 2023”

      Conner MANTZ | Profile | World AthleticsAramco Houston Half Marathon (Houston, TX (USA))

  4. 2022

    • Half marathon1:01:40

      CompetitionSeason best 2022, road, age 25

      Official result, worldathletics.org2022-03-20 · age 25

      Quote and details
      “Half Marathon 2022 1:01:40 New York, NY (USA) 20 MAR 2022”

      Conner MANTZ | Profile | World AthleticsUnited Airlines NYC Half (New York, NY (USA))

  5. 2021

    • Half marathon1:00:55

      CompetitionSeason best 2021, road, age 24

      Official result, worldathletics.org2021-12-05 · age 24

      Quote and details
      “Half Marathon 2021 1:00:55 Hardeeville, SC (USA) 05 DEC 2021”

      Conner MANTZ | Profile | World AthleticsUS Half Marathon Championships (Hardeeville, SC (USA))

Conner Mantz 1500 m

Conner Mantz's recorded 1500 m is 3:37.92. Performance date: 2023-06-16. Age at the time: 26. This was a competition result. The source at worldathletics.org gives this mark. Source type: official result.

Nike Outdoor Nationals (Hayward Field, Eugene, OR (USA)) · Season best 2023, track, age 26

Source quote and limits
“1500 Metres 2023 3:37.92 Hayward Field, Eugene, OR (USA) 16 JUN 2023”

Conner MANTZ | Profile | World Athletics

Season's best for 2023 in the World Athletics progression table (1500 Metres).

  1. 2023

    • 1500 m3:37.92

      CompetitionSeason best 2023, track, age 26

      Official result, worldathletics.org2023-06-16 · age 26

      Quote and details
      “1500 Metres 2023 3:37.92 Hayward Field, Eugene, OR (USA) 16 JUN 2023”

      Conner MANTZ | Profile | World AthleticsNike Outdoor Nationals (Hayward Field, Eugene, OR (USA))

  2. 2021

    • 1500 m3:37.96

      CompetitionSeason best 2021, track, age 24

      Official result, worldathletics.org2021-04-30 · age 24

      Quote and details
      “1500 Metres 2021 3:37.96 Veterans Memorial Stadium, Clovis, CA (USA) 30 APR 2021”

      Conner MANTZ | Profile | World AthleticsWest Coast Relays (Veterans Memorial Stadium, Clovis, CA (USA))

  3. 2019

    • 1500 m3:45.39

      CompetitionSeason best 2019, track, age 22

      Official result, worldathletics.org2019-04-19 · age 22

      Quote and details
      “1500 Metres 2019 3:45.39 Azusa, CA (USA) 19 APR 2019”

      Conner MANTZ | Profile | World AthleticsBryan Clay Invitational (Azusa, CA (USA))

Conner Mantz 3000 m

Conner Mantz's recorded 3000 m is 7:41.43. Performance date: 2022-01-29. Age at the time: 25. This was a competition result. The source at worldathletics.org gives this mark. Source type: official result.

Millrose Games (Armory Track&Field Center, New York, NY (USA) (i)) · Season best 2022, indoor track, age 25

Source quote and limits
“3000 Metres 2022 7:41.43 Armory Track&Field Center, New York, NY (USA) (i) 29 JAN 2022”

Conner MANTZ | Profile | World Athletics

Season's best for 2022 in the World Athletics progression table (3000 Metres).

  1. 2022

    • 3000 m7:41.43

      CompetitionSeason best 2022, indoor track, age 25

      Official result, worldathletics.org2022-01-29 · age 25

      Quote and details
      “3000 Metres 2022 7:41.43 Armory Track&Field Center, New York, NY (USA) (i) 29 JAN 2022”

      Conner MANTZ | Profile | World AthleticsMillrose Games (Armory Track&Field Center, New York, NY (USA) (i))

    • 3000 m7:49.43

      CompetitionPlace 4th, National championships, age 25 or 26

      News report, en.wikipedia.org2022 · age 25–26medium confidence

      Quote and details
      “2022 2022 USA Indoor Track and Field Championships Spokane, Washington 4th 3000 m 7:49.43”

      Conner Mantz - Wikipedia2022 USA Indoor Track and Field Championships (Spokane, Washington)

  2. 2021

    • 3000 m7:58.03

      CompetitionSeason best 2021, indoor track, age 24

      Official result, worldathletics.org2021-01-16 · age 24

      Quote and details
      “3000 Metres 2021 7:58.03 Smith Fieldhouse, BYU, Provo, UT (USA) (i) 16 JAN 2021”

      Conner MANTZ | Profile | World AthleticsBYU Collegiate Cougar I Indoor Invitational (Smith Fieldhouse, BYU, Provo, UT (USA) (i))

  3. 2019

    • 3000 m7:56.72

      CompetitionSeason best 2019, indoor track, age 22

      Official result, worldathletics.org2019-03-09 · age 22

      Quote and details
      “3000 Metres Short Track 2019 7:56.72 Birmingham, AL (USA) (i) 09 MAR 2019”

      Conner MANTZ | Profile | World AthleticsNCAA Div. I Indoor Championships (Birmingham, AL (USA) (i))

    • 3000 m7:50.9

      CompetitionSeason best 2019, indoor track, age 22

      Official result, worldathletics.org2019-02-23 · age 22

      Quote and details
      “3000 Metres 2019 7:50.90 Seattle, WA (USA) (i) 23 FEB 2019”

      Conner MANTZ | Profile | World AthleticsMountain Pacific Conference Championships (Seattle, WA (USA) (i))

  4. 2018

    • 3000 m8:02.19

      CompetitionSeason best 2018, indoor track, age 21

      Official result, worldathletics.org2018-01-27 · age 21

      Quote and details
      “3000 Metres 2018 8:02.19 New York, NY (USA) (i) 27 JAN 2018”

      Conner MANTZ | Profile | World AthleticsNew York Columbia Challenge-Dr.Sander Inv. (New York, NY (USA) (i))

  5. 2017

    • 3000 m8:19.8

      CompetitionSeason best 2017, indoor track, age 21

      Official result, worldathletics.org2017-12-08 · age 21

      Quote and details
      “3000 Metres 2017 8:19.80 Provo, UT (USA) (i) 08 DEC 2017”

      Conner MANTZ | Profile | World AthleticsProvo BYU December Invite (Provo, UT (USA) (i))

Conner Mantz 800 m

Conner Mantz's recorded 800 m is 1:56.8. Performance date: 2014-05-17. Age at the time: 17 (youth record). This was a competition result. The source at worldathletics.org gives this mark. Source type: official result.

Provo UT State 4A Ch. (Provo, UT (USA)) · Season best 2014, track, age 17

Source quote and limits
“800 Metres 2014 1:56.80 Provo, UT (USA) 17 MAY 2014”

Conner MANTZ | Profile | World Athletics

Season's best for 2014 in the World Athletics progression table (800 Metres).

  1. 2015

    • 800 m1:58.2

      CompetitionSeason best 2015, track, age 18

      Official result, worldathletics.org2015-05-16 · age 18

      Quote and details
      “800 Metres 2015 1:58.20 Provo, UT (USA) 16 MAY 2015”

      Conner MANTZ | Profile | World AthleticsProvo UHSAA High School Championships (Provo, UT (USA))

  2. 2014

    • 800 m1:56.8

      CompetitionYouth recordSeason best 2014, track, age 17

      Official result, worldathletics.org2014-05-17 · age 17

      Quote and details
      “800 Metres 2014 1:56.80 Provo, UT (USA) 17 MAY 2014”

      Conner MANTZ | Profile | World AthleticsProvo UT State 4A Ch. (Provo, UT (USA))

Photo: Chad Veal, CC BY-SA 4.0, via Wikimedia Commons. Cropped.