JEFFREY DUNCAN

4 races in the archive

Personal bests

10K

45:48

2008 · 7:22 /mi

Progression

10K4 finishes · best 45:48 in 2008 — their most recent
45:5050:0054:1020052006200720082005 10K — 53:582006 10K — 51:312007 10K — 46:422008 10K — 45:4845:48

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

Race history