DAVID WALIZER

9 races in the archive

Personal bests

Marathon

3:51:52

2005 · 8:51 /mi

Half Marathon

1:59:03

2017 · 9:05 /mi

10K

43:36

2002 · 7:01 /mi

8K

45:57

2016 · 9:15 /mi

Progression

Half Marathon2 finishes · best 1:59:03 in 2017 · latest 2:00:45 in 2025
1:59:102:00:002:00:50201720252017 2017 Markel Richmond Half Marathon — 1:59:031:59:032025 2025 CarMax Richmond Half Marathon — 2:00:45

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

10K5 finishes · best 43:36 in 2002 · latest 55:29 in 2026
50:001:06:40200220172019202220262002 10K — 43:3643:362017 10K — 1:04:112019 10K — 59:082022 10K — 59:332026 10K — 55:29

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

Half Marathon — pace by segment2 of 2 editions shown
8:509:009:109:20Start–10K10K–Finish2025 · Start to 10K · 9:11 /mi2025 · 10K to Finish · 9:14 /mi20252017 · Start to 10K · 8:52 /mi2017 · 10K to Finish · 9:17 /mi2017

Minutes per mile over each stretch of the course. Lower is faster, so a line rising to the right means slowing down. Colour runs pale for the earliest editions to dark for the most recent; tap a year to show or hide it.

10K — pace by segment4 of 4 editions shown
9:1010:00Start–5K5K–Finish2026 · Start to 5K · 8:53 /mi2026 · 5K to Finish · 8:58 /mi20262022 · Start to 5K · 9:22 /mi2022 · 5K to Finish · 9:48 /mi20222019 · Start to 5K · 9:25 /mi2019 · 5K to Finish · 9:37 /mi20192017 · Start to 5K · 10:24 /mi2017 · 5K to Finish · 10:15 /mi2017

Minutes per mile over each stretch of the course. Lower is faster, so a line rising to the right means slowing down. Colour runs pale for the earliest editions to dark for the most recent; tap a year to show or hide it.

Race history