JOHN KOSS

8 races in the archive

Personal bests

Marathon

4:18:44

2010 · 9:52 /mi

Half Marathon

2:10:36

2022 · 9:58 /mi

Progression

Marathon7 finishes · best 4:18:44 in 2010 · latest 5:12:22 in 2019
4:26:405:00:0020082009201020162017201820192008 2008 SunTrust Richmond Marathon — 4:42:512009 2009 SunTrust Richmond Marathon — 4:19:142010 2010 SunTrust Richmond Marathon — 4:18:444:18:442016 2016 Anthem Richmond Marathon — 4:34:262017 2017 Anthem Richmond Marathon — 4:39:452018 2018 Anthem Richmond Marathon — 4:48:152019 2019 VCU Health Richmond Marathon — 5:12:22

Lower on the chart is faster — a line falling to the right means improvement.

Marathon — pace by segment6 of 7 editions shown
8:2010:0011:4013:20Start–10K10K–HalfHalf–20 Mile20 Mile–Finish2019 · Start to 10K · 10:46 /mi2019 · 10K to Half · 11:05 /mi2019 · Half to 20 Mile · 12:27 /mi2019 · 20 Mile to Finish · 13:24 /mi20192018 · Start to 10K · 10:19 /mi2018 · 10K to Half · 10:28 /mi2018 · Half to 20 Mile · 10:54 /mi2018 · 20 Mile to Finish · 12:21 /mi20182017 · Start to 10K · 10:18 /mi2017 · 10K to Half · 10:22 /mi2017 · Half to 20 Mile · 10:50 /mi2017 · 20 Mile to Finish · 11:11 /mi20172016 · Start to 10K · 10:14 /mi2016 · 10K to Half · 10:15 /mi2016 · Half to 20 Mile · 10:36 /mi2016 · 20 Mile to Finish · 10:47 /mi20162010 · Start to 10K · 9:14 /mi2010 · 10K to Half · 9:16 /mi2010 · Half to 20 Mile · 10:00 /mi2010 · 20 Mile to Finish · 11:01 /mi20102009 · Start to Half · 8:44 /mi2009 · Half to 20 Mile · 9:57 /mi2009 · 20 Mile to Finish · 12:15 /mi2009

Minutes per mile over each stretch of the course. Lower is faster, so a line rising to the right means slowing down. Colour runs pale for the earliest editions to dark for the most recent; tap a year to show or hide it.

Race history