WILLIAM SHIFFLETT

3 races in the archive

Personal bests

Marathon

4:12:28

2013 · 9:38 /mi

10K

48:45

2016 · 7:51 /mi

Progression

10K2 finishes · best 48:45 in 2016 — their most recent
48:2050:0051:40201520162015 10K — 51:152016 10K — 48:4548:45

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

Race history