DUKE DE HAAS

21 races in the archive

Personal bests

Marathon

4:27:54

2012 · 10:13 /mi

Half Marathon

2:06:29

2015 · 9:39 /mi

10K

49:11

2009 · 7:55 /mi

8K

40:01

2008 · 8:03 /mi

Progression

Marathon2 finishes · best 4:27:54 in 2012 — their most recent
4:30:00200720122007 2007 SunTrust Richmond Marathon — 4:32:182012 2012 Anthem Richmond Marathon — 4:27:544:27:54

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

Half Marathon4 finishes · best 2:06:29 in 2015 · latest 2:46:31 in 2022
2:13:202:46:4020112015201920222011 2011 McDonald's Half Marathon — 2:07:182015 2015 American Family Fitness Half Marathon — 2:06:292:06:292019 2019 Markel Richmond Half Marathon — 2:12:302022 2022 CarMax Richmond Half Marathon — 2:46:31

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

10K14 finishes · best 49:11 in 2009 · latest 1:09:57 in 2025
50:001:06:40200420052007200820092011201220142016201720182019202320252004 10K — 52:282005 10K — 49:132007 10K — 51:132008 10K — 51:372009 10K — 49:1149:112011 10K — 54:092012 10K — 52:562014 10K — 57:312016 10K — 55:582017 10K — 1:01:572018 10K — 58:192019 10K — 57:502023 10K — 1:08:052025 10K — 1:09:57

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

Marathon — pace by segment2 of 2 editions shown
10:0010:50Start–10K10K–HalfHalf–20 Mile20 Mile–Finish2012 · Start to 10K · 9:41 /mi2012 · 10K to Half · 9:52 /mi2012 · Half to 20 Mile · 10:06 /mi2012 · 20 Mile to Finish · 11:17 /mi20122007 · Start to Half · 10:09 /mi2007 · Half to 20 Mile · 10:43 /mi2007 · 20 Mile to Finish · 10:31 /mi2007

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.

Half Marathon — pace by segment4 of 4 editions shown
10:0011:4013:20Start–10K10K–Finish2022 · Start to 10K · 11:24 /mi2022 · 10K to Finish · 13:53 /mi20222019 · Start to 10K · 9:58 /mi2019 · 10K to Finish · 10:14 /mi20192015 · Start to 10K · 9:32 /mi2015 · 10K to Finish · 9:45 /mi20152011 · Start to 10K · 9:44 /mi2011 · 10K to Finish · 9:42 /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 segment6 of 6 editions shown
9:1010:0010:50Start–5K5K–Finish2025 · Start to 5K · 11:14 /mi2025 · 5K to Finish · 11:17 /mi20252023 · Start to 5K · 10:44 /mi2023 · 5K to Finish · 11:10 /mi20232019 · Start to 5K · 9:25 /mi2019 · 5K to Finish · 9:12 /mi20192018 · Start to 5K · 9:35 /mi2018 · 5K to Finish · 9:11 /mi20182017 · Start to 5K · 10:03 /mi2017 · 5K to Finish · 9:54 /mi20172016 · Start to 5K · 9:10 /mi2016 · 5K to Finish · 8:50 /mi2016

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