JOSHUA SHAFFER

4 races in the archive

Personal bests

10K

50:06

2011 · 8:04 /mi

Progression

10K4 finishes · best 50:06 in 2011 — their most recent
50:0053:2056:4020082009201020112008 10K — 55:472009 10K — 50:382010 10K — 57:232011 10K — 50:0650:06

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

Race history