David Curtin
ID 57393
Born : 1974 Cat. M50 Ultrarunner since 2007 USA
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
20,4%
Rank quotient ?This runner's calculation uses 51 eligible race(s): Σ(rank − 1) = 1 368; Σ finishers = 6 712. 1 368 / 6 712 × 100 = 20.38%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed51
Km — ultra races4 122 km
> 100 km9
> 160 km9
Longest race170,6 km
9th Cruel Jewel 100 Mile — 14/5/2021

Km per year (ultra races)

261
3 races
2022
361
4 races
2023
100
1 race
2024
100
2 races
2025
130
2 races
2026

Race types (share of distance)

Road6,1%
Trail93,9%

Wins & podiums (ultra)

🏆 Win5
🏆 Win M5
🏅 Top 313
🏅 Top 3 M14
Longest winning streak1
Current streak0

Records

50 km3h50'48100 km11h47'2150 mi7h41'20100 mi17h21'56

HISTORY

51 race(s)
DateRacePerf.Rk
2026
09.05 50mi USA45th Ice Age Trail 50 Mile Run 10:21:43 h92
21.03 50km USA14th Paleozoic Trail Runs - Ordovician Spring III 50K 5:01:34 h9
2025
17.05 50km USA22nd Dances with Dirt - Gnaw Bone 50 km Ultra 5:30:18 h3 🥉
22.03 50km USA13th Paleozoic Trail Runs - Permian Spring II 50K 4:36:48 h5
2024
10.02 99.9km USA11th Black Canyon Trail 100 km Run 13:24:58 h215
2023
11.11 50km USA11th Paleozoic Trail Runs - Ordovician Fall 50K 4:29:32 h4
15.07 100mi USA22th Tahoe Rim Trail 100M Endurance Run 29:19:59 h35
18.03 50km USA11th Paleozoic Trail Runs - Cambrian Spring II 50K 4:12:35 h2 🥈
07.01 100km USA23rd Bandera 100 km Endurance Run 13:36:27 h80
2022
11.06 100mi USA27th Kettle Moraine 100 Mile Endurance Run 22:26:53 h24
23.04 50km USA4th The Riley Trails 50k 4:33:09 h1 🏆
18.03 50km USA10th Paleozoic Trail Runs - Cambrian Spring II 50K 4:05:39 h2 🥈
2021
31.07 100km USA7th Never Summer 100k 17:49:41 h83
14.05 106mi USA9th Cruel Jewel 100 Mile 33:11:01 h43
17.04 50km USA3rd The Riley Trails 50k 4:15:42 h3 🥉
20.03 50km USA9th Paleozoic Trail Runs - Silurian Spring 50K 4:17:55 h2 🥈
2020
13.11 50km USA8th Paleozoic Trail Runs - Ordovician Fall 50K 4:43:30 h1 🏆
2019
09.11 50km USA7th Paleozoic Trail Runs - Cambrian Fall II 50K 4:18:47 h6
07.09 50km USA1st Temptation 200 - 50km only Ultra Race 5:43:28 h1 🏆
01.06 100km USA24th Kettle Moraine 100 km Endurance Run 12:21:57 h14
17.05 106mi USA7th Cruel Jewel 100 Mile 33:04:00 h26
20.04 50km USA8th Earth Day 50k 5:15:31 h16
13.04 50km USA1st The Riley Trails 50k 4:40:20 h2 🥈
2018
10.11 50km USA6th Paleozoic Trail Runs - Ordovician Fall 50K 4:17:09 h1 🏆
18.08 100mi USA36th Leadville Trail 100 Mile 28:50:53 h225
21.07 100mi USA17th Tahoe Rim Trail 100M Endurance Run 27:30:20 h30
12.05 50mi USA37th Ice Age Trail 50 Mile Run 8:18:29 h20
2017
07.10 100mi USA3rd The Hennepin Hundred - 100 Mile Run 17:21:56 h5
09.09 50km USA6th Evergreen Lake 50 km Ultra 4:41:02 h1 🏆
03.06 100km USA22nd Kettle Moraine 100 km Endurance Run 11:47:21 h8
29.04 100mi USA5th Indiana Trail 100 Mile 20:45:36 h5
25.03 50km USA5th Paleozoic Trail Runs - Silurian Spring 50K 4:41:23 h8
2016
20.08 50mi USA17th North Country Trail Run 50 Mile 9:05:14 h16
16.07 50mi USA2nd Sheep Mountain 50 Mile Endurance Run 13:26:20 h23
04.06 100mi USA21st Kettle Moraine 100 Mile Endurance Run 21:30:31 h15
14.05 50mi USA35th Ice Age Trail 50 Mile Run 8:37:54 h33
09.04 50km USA17th Chicago Lakefront Spring 50km Race 4:35:08 h13
26.03 50km USA4th Paleozoic Trail Runs - Silurian Spring 50K 4:35:29 h5
2015
19.12 50mi USA8th Lookout Mountain 50 Mile Race 9:08:19 h34
14.11 50km USA3rd Paleozoic Trail Runs - Permian Fall 50K 4:08:10 h2 🥈
31.10 50km USA16th Chicago Lakefront Fall 50km Race 4:11:53 h4
09.05 50mi USA34th Ice Age Trail 50 Mile Run 8:59:17 h56
18.04 50km USA4th Earth Day 50k 5:07:29 h6
21.03 50km USA16th Chicago Lakefront Spring 50km Race 4:27:17 h19
2014
18.10 50mi USA5th Des Plaines River 50 Miles Trail Race 7:41:20 h6
17.05 50km USA3rd Tryon Farm Trail 50K 4:35:16 h10
2013
15.09 50mi USA6th Endurance Challenge - Wisconsin Trail 50 Miles 10:30:48 h112
20.07 50km USA2nd Dirty Burg 50K Trail Run 5:42:24 h15
2008
10.05 50mi USA27th Ice Age Trail 50 Mile Run 9:37:20 h62
05.04 50km USA9th Chicago Lakefront Spring 50km Race 3:50:48 h3 🥉
2007
31.03 50km USA8th Chicago Lakefront Spring 50km Race 4:14:37 h13