JON HALVORSEN

5 races in the archive

Personal bests

10K

49:49

2007 · 8:01 /mi

Progression

10K5 finishes · best 49:49 in 2007 · latest 59:48 in 2011
50:0058:20200620072008200920112006 10K — 53:192007 10K — 49:4949:492008 10K — 56:362009 10K — 53:042011 10K — 59:48

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

Race history