Thomas Crayton
Born : 1963 Cat. M60 Ultrarunner since 2015 USA
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
80
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
15,5%
Rank quotient ?This runner's calculation uses 57 eligible race(s): Σ(rank − 1) = 1 035; Σ finishers = 6 688. 1 035 / 6 688 × 100 = 15.48%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed57
Km — ultra races8 040 km
> 100 km36
> 160 km34
> 200 km5
> 24h20
> 48h5
Longest race370,1 km

Km per year (ultra races)

1 452
10 races
2022
1 246
7 races
2023
859
4 races
2024
1 260
8 races
2025
660
4 races
2026

Race types (share of distance)

Road30,3%
Trail65,6%
Elim.4,2%

Wins & podiums (ultra)

🏆 Win13
🏆 Win M14
🏅 Top 330
🏅 Top 3 M33
Longest winning streak2
Current streak0

HISTORY

57 race(s)
DateRacePerf.Rk
2026
01.08 24h USA8th Loopy Looper 24-Hour Run 144.840 km10
20.06 50km USA31st Catoctin 50k Trail Run 7:49:23 h25
14.05 72h USA18th 3 Days at the Fair 72 Hour Race 304.166 km2 🥈
28.03 24h USA4th Genesee Valley Ultra 160.934 km2 🥈
2025
06.12 100mi USA10th Devil Dog Ultra 100 Mile Race 22:27:23 h5
03.10 24h USA6th Red Barn 24 Hour Challenge 180.246 km1 🏆
02.08 24h USA7th Loopy Looper 24-Hour Run 199.156 km1 🏆
21.06 50km USA30th Catoctin 50k Trail Run 7:10:55 h20
31.05 Backyard Ultra USA6th More Miles Last One Standing Challenge 167.650 km (25h)2 🥈
17.05 24h USA17th 3 Days at the Fair 24 Hour Race 188.293 km1 🏆
26.04 100mi USA13th C&O Canal 100 Mile 20:55:56 h19
29.03 24h USA3rd Genesee Valley Ultra 152.887 km3 🥉
2024
07.12 100mi USA9th Devil Dog Ultra 100 Mile Race 23:16:44 h3 🥉
03.10 72h USA11th NJ One Day 72 Hour Race 312.212 km3 🥉
13.07 50km USA29th Catoctin 50k Trail Run 6:59:24 h20
16.05 72h USA16th 3 Days at the Fair 72 Hour Race 336.352 km3 🥉
2023
06.10 24h USA4th Red Barn 24 Hour Challenge 162.543 km1 🏆
19.08 Backyard Ultra USA3rd Backyard Squatch Ultra 167.650 km (25h)1 🏆
08.07 50km USA28th Catoctin 50k Trail Run 6:59:01 h14
27.05 24h USA5th Cow Bone 24 Hour Trail Run 173.809 km1 🏆
11.05 72h USA15th 3 Days at the Fair 72 Hour Race 370.149 km1 🏆
22.04 100mi USANew Jersey Devil 100 20:21:23 h4
24.03 100mi USA5th Greenbrier 100 Mile Endurance Run 21:16:09 h1 🏆
2022
03.12 100mi USA7th Devil Dog Ultra 100 Mile Race 23:09:15 h3 🥉
05.11 100mi USA3rd Rim to River 100 Mile Race 23:19:36 h16
09.10 8h USA9th Rick O'Donnell 8-hour Ultra Challenge 58.805 km2 🥈
16.09 100mi USA14th Grindstone 100 Mile 24:51:32 h27
03.09 48h USA1st GOMU 48 Hour World Championships 264.826 km7
09.07 50km USA27th Catoctin 50k Trail Run 6:45:00 h22
11.06 50mi USA11th OSS/CIA 50 Mile Night Run 10:09:57 h4
28.05 24h USA4th Cow Bone 24 Hour Trail Run 193.121 km1 🏆
30.04 100mi USA10th C&O Canal 100 Mile 17:23:25 h3 🥉
25.03 100mi USA4th Greenbrier 100 Mile Endurance Run 19:43:07 h1 🏆
2021
04.12 100mi USA6th Devil Dog Ultra 100 Mile Race 22:58:04 h3 🥉
20.11 81.3km USA59th JFK 50 Mile 8:48:25 h186
10.10 8h USA8th Rick O'Donnell 8-hour Ultra Challenge 67.206 km3 🥉
01.10 24h USA2nd Red Barn 24 Hour Challenge 185.074 km1 🏆
17.09 100mi USA13th Grindstone 100 Mile 23:40:16 h11
10.07 50km USA26th Catoctin 50k Trail Run 5:57:53 h14
29.05 24h USA3rd Cow Bone 24 Hour Trail Run 178.637 km1 🏆
24.04 100mi USA9th C&O Canal 100 Mile 18:13:11 h10
2020
21.11 50mi USA58th JFK 50 Mile 9:36:13 h146
02.10 24h USA1st Red Barn 24 Hour Challenge 196.339 km1 🏆
2019
23.11 50mi USA57th JFK 50 Mile 8:34:45 h122
04.10 100mi USA11th Grindstone 100 Mile 23:02:37 h17
22.09 8h USA6th Rick O'Donnell 8-hour Ultra Challenge 58.805 km2 🥈
20.07 50km USA24th Catoctin 50k Trail Run 7:04:02 h18
25.05 24h USA1st Cow Bone 24 Hour Trail Run 161.739 km3 🥉
30.03 100mi USA2nd Greenbrier 100 Mile Endurance Run 22:26:46 h3 🥉
2018
05.10 100mi USA10th Grindstone 100 Mile 24:47:49 h21
16.09 8h USA5th Rick O'Donnell 8-hour Ultra Challenge 58.805 km3 🥉
14.07 50km USA23rd Catoctin 50k Trail Run 6:28:24 h15
2017
18.11 50mi USA55th JFK 50 Mile 9:33:44 h218
15.07 50km USA22nd Catoctin 50k Trail Run 7:21:10 h43
2016
18.09 8h USA3rd Rick O'Donnell 8-hour Ultra Challenge 58.805 km2 🥈
16.07 50km USA21st Catoctin 50k Trail Run 6:34:49 h14
2015
20.09 8h USA2nd Rick O'Donnell 8-hour Ultra Challenge 58.805 km6