JOHN SHIELDS

4 races in the archive

Personal bests

Half Marathon

2:43:11

2009 · 12:27 /mi

10K

1:09:43

2010 · 11:13 /mi

Progression

10K3 finishes · best 1:09:43 in 2010 · latest 1:46:17 in 2015
1:06:401:23:201:40:002008201020152008 10K — 1:19:432010 10K — 1:09:431:09:432015 10K — 1:46:17

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

Race history