JASON CHALFANT

2 races in the archive

Personal bests

10K

42:57

2013 · 6:55 /mi

Progression

10K2 finishes · best 42:57 in 2013 · latest 46:49 in 2022
43:2046:40201320222013 10K — 42:5742:572022 10K — 46:49

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

Race history