DOUGLAS SHAFER

3 races in the archive

Personal bests

Marathon

3:58:34

2009 · 9:06 /mi

10K

50:41

2010 · 8:09 /mi

Progression

10K2 finishes · best 50:41 in 2010 — their most recent
50:0058:201:06:40200920102009 10K — 1:08:302010 10K — 50:4150:41

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

Race history