JON MARKS

2 races in the archive

Personal bests

10K

54:01

2008 · 8:42 /mi

Progression

10K2 finishes · best 54:01 in 2008 — their most recent
54:1055:00200720082007 10K — 55:022008 10K — 54:0154:01

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

Race history