JOHN HARTKA

2 races in the archive

Personal bests

10K

41:34

2005 · 6:41 /mi

Progression

10K2 finishes · best 41:34 in 2005 · latest 43:32 in 2010
41:4043:20200520102005 10K — 41:3441:342010 10K — 43:32

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

Race history