TV host
Gordon Ramsay
Chef and TV host (Hell's Kitchen, MasterChef)
All evidence
2 records, newest first. Strength changes with age and weight class, so check the date and context before you compare.
2009
- Marathon4:05:02
“crossing the finish line in 4:05:02.”
2004
- Marathon3:30:37
“His London Marathon time of 3:30:37 is no small feat.”
Year 2004 per Tatler Asia list and the Wikipedia list of non-professional marathon runners.