BRIAN SPERBERG

6 races in the archive

Personal bests

Marathon

4:33:35

2000 · 10:26 /mi

10K

47:30

2000 · 7:39 /mi

8K

38:59

2002 · 7:51 /mi

Progression

10K4 finishes · best 47:30 in 2000 · latest 58:16 in 2009
50:0058:2020002001200320092000 10K — 47:3047:302001 10K — 49:382003 10K — 51:202009 10K — 58:16

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

Race history