DAVID ZIRKLE

15 races in the archive

Personal bests

Marathon

3:45:34

2012 · 8:36 /mi

Half Marathon

1:38:47

2011 · 7:32 /mi

10K

42:01

2011 · 6:46 /mi

8K

35:07

2001 · 7:04 /mi

Progression

Half Marathon2 finishes · best 1:38:47 in 2011 · latest 1:44:35 in 2013
1:40:001:43:20201120132011 2011 McDonald's Half Marathon — 1:38:471:38:472013 2013 American Family Fitness Half Marathon — 1:44:35

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

10K11 finishes · best 42:01 in 2011 · latest 51:00 in 2026
33:201:06:401:40:00200920112012201320142015201820232024202520262009 10K — 48:002011 10K — 42:0142:012012 10K — 42:442013 10K — 46:012014 10K — 45:092015 10K — 1:31:352018 10K — 48:332023 10K — 49:182024 10K — 48:512025 10K — 47:092026 10K — 51:00

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

Half Marathon — pace by segment2 of 2 editions shown
7:207:408:00Start–10K10K–Finish2013 · Start to 10K · 8:06 /mi2013 · 10K to Finish · 7:52 /mi20132011 · Start to 10K · 7:40 /mi2011 · 10K to Finish · 7:25 /mi2011

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 segment5 of 5 editions shown
7:308:209:10Start–5K5K–Finish2026 · Start to 5K · 7:27 /mi2026 · 5K to Finish · 8:58 /mi20262025 · Start to 5K · 7:39 /mi2025 · 5K to Finish · 7:31 /mi20252024 · Start to 5K · 7:48 /mi2024 · 5K to Finish · 7:55 /mi20242023 · Start to 5K · 7:57 /mi2023 · 5K to Finish · 7:55 /mi20232018 · Start to 5K · 7:52 /mi2018 · 5K to Finish · 7:46 /mi2018

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