Davey Harrison
ID 15042
Born : 1952 Cat. M70 Ultrarunner since 1996 USA
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
53
DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details
1
Countries visited ?USAUnited States
70,0%
Rank quotient ?This runner's calculation uses 53 eligible race(s): Σ(rank − 1) = 3 364; Σ finishers = 4 803. 3 364 / 4 803 × 100 = 70.04%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed53
Km — ultra races4 993 km
> 100 km20
> 160 km9
> 24h17
> 48h11
Longest race175,4 km
12th A Race for the Ages — 3/9/2026

Km per year (ultra races)

329
4 races
2022
504
4 races
2023
364
4 races
2024
401
3 races
2025
352
3 races
2026

Race types (share of distance)

Road41,8%
Trail58,2%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 32
🏅 Top 3 M3
Longest winning streak0
Current streak0

Records

50 km5h17'5450 mi9h29'00100 mi29h17'0012 h67,87 km24 h147,19 km48 h138,81 km

HISTORY

53 race(s) · 9 split(s) nested
DateRacePerf.Rk
2026
03.09 92h USA12th A Race for the Ages 175.418 km31
24.07 48h USA6th Texas Endurance 48 Hour Endurance Runs 126.703 km16
10.01 50km USA26th Bandera 50 km Endurance Run 16:48:42 h112
2025
30.12 55h USA13th Snowdrop Ultra 55 Hour Race 161.111 km51
27.09 24h USA5th Hot Rod 24 Hour Ultra 107.278 km24
25.07 48h USA5th Texas Endurance 48 Hour Endurance Runs 132.770 km8
2024
30.12 55h USA12th Snowdrop Ultra 55 Hour Race 161.111 km86
26.07 48h USA4th Texas Endurance 48 Hour Endurance Runs 102.595 km16
27.04 50km USA8th Big Turtle 50 km 9:26:19 h41
06.04 50km USA11th Brazos Bend 50 - 50 km 7:38:31 h104
2023
30.12 55h USA11th Snowdrop Ultra 55 Hour Race 122.220 km91
28.07 48h USA3rd WRATH Texas 48 Hour Endurance Runs 138.805 km7
28.07 48h USA3rd Texas Endurance 48 Hour Endurance Runs 138.805 km7
17.02 48h USA9th Jackalope Jam 48 Hour Race 103.802 km22
2022
30.12 55h USA10th Snowdrop Ultra 55 Hour Race 161.111 km108
02.04 50km USA23th Hells Hills 50km Race 8:42:28 h56
12.03 50km USA19th Prickly Pear 50 km Trail Run 9:04:41 h80
26.02 24h USA8th Jackalope Jam 24 Hour Race 67.592 km37
2021
22.05 52mi USA3rd Possums Revenge 52 Mile Race 17:26:03 h23
03.04 50km USA21th Hells Hills 50km Race 8:24:31 h77
2020
11.01 50km USA20th Bandera 50 km Endurance Run 8:36:24 h152
2019
26.10 50mi USA13th Cactus Rose 50 Mile 17:26:55 h35
06.01 50km USA19th Bandera 50 km Endurance Run 9:54:47 h175
2018
27.10 50mi USA12th Cactus Rose 50 Mile 23:30:00 h28
07.01 50km USA18th Bandera 50 km Endurance Run 8:49:01 h173
2017
11.02 50mi USA25th Rocky 50 Mile Trail Run 13:15:48 h126
2016
13.02 50mi USA24th Rocky 50 Mile Trail Run 13:54:07 h144
2015
31.01 50mi USA23th Rocky 50 Mile Trail Run 14:29:37 h191
2013
27.07 32.6mi USA13th Wakely Dam Ultra 9:50:20 h53
2011
29.10 50mi USA5th Cactus Rose 50 Mile 17:55:15 h84
05.02 50mi USA19th Rocky Raccoon 50 Mile Trail Run 16:05:49 h161
2008
02.02 50mi USA16th Rocky Raccoon 50 Mile Trail Run 11:41:52 h87
2007
03.02 50mi USA15th Rocky Raccoon 50 Mile Trail Run 13:37:48 h74
2006
06.05 50km USA4th Prickly Pear 50 km Trail Run 8:54:00 h48
30.04 50km USA6th Hells Hills 50km Race 7:18:02 h19
18.03 50mi USA1st Doogies Run 50 Mile 9:46:33 h3 🥉
25.02 12h USA5th Houston Ultra Event Weekend 12h 67.866 km5
2005
26.11 24h USA5th Ultracentric 24 Hour Run 99.199 km15
01.10 100mi USA15th Arkansas Traveller 100 29:55:49 h74
2004
01.05 50km USA2nd Prickly Pear 50 km Trail Run 7:24:44 h31
24.04 50km USA4th Hells Hills 50km Race 7:03:23 h46
07.02 50mi USA12th Rocky Raccoon 50 Mile Trail Run 10:18:58 h24
2003
04.10 100mi USA13th Arkansas Traveller 100 29:46:04 h70
03.05 50km USA1st Prickly Pear 50 km Trail Run 6:18:43 h31
01.02 50mi USA11th Rocky Raccoon 50 Mile Trail Run 12:35:40 h26
2001
24.11 24h USA2nd Ultracentric 24 Hour Run 147.190 km9
06.10 100mi USA11th Arkansas Traveller 100 29:41:26 h81
2000
25.11 24h USA1st Ultracentric 24 Hour Run 123.195 km9
17.06 100mi USA11th Mohican Trail 100 Mile 29:36:16 h56
05.02 100mi USA8th Rocky Raccoon 100 Mile Trail Run 29:17:00 h87
1999
11.11 24h USA1st Texas A&M University 24hr Run 119.493 km2 🥈
1997
13.12 50km USA8th Sunmart Texas Trails 50 km 5:17:54 h153
1996
12.12 50mi USA7th Sunmart Texas Trails 50 Mile 9:29:00 h148