Jeffrey Colt
ID 874859
Born : 1991 Cat. M35 Ultrarunner since 2016 USA
25
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
44
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
5
Countries visited ?ESPSpainFRAFranceITAItalyTHAThailandUSAUnited States
2,1%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 160; Σ finishers = 7 666. 160 / 7 666 × 100 = 2.09%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed26
Km — ultra races2 382 km
> 100 km7
> 160 km6
Longest race170,0 km
20ème Ultra Trail Tour du Mont Blanc (UTMB) — 1/9/2023

Km per year (ultra races)

339
3 races
2022
479
4 races
2023
50
1 race
2024
404
5 races
2025
2026

Race types (share of distance)

Trail96,4%
Stage3,6%

Wins & podiums (ultra)

🏆 Win7
🏆 Win M7
🏅 Top 313
🏅 Top 3 M13
Longest winning streak2
Current streak1

Records

50 km4h06'02100 km8h05'1450 mi8h32'55100 mi15h42'09

HISTORY

25 race(s)
DateRacePerf.Rk
2025
18.07 100mi USA9th High Lonesome 100 Mile 18:52:00 h1 🏆
19.06 46km USA10th The Broken Arrow Skyrace 4:36:43 h18
12.04 98.9km USA11th Gorge Waterfalls 100k 8:20:12 h4
23.03 46km ITAChianti Marathon Trail 3:35:24 h8
09.02 52km USA12th Black Canyon Trail 50 km Run 3:36:58 h6
2024
27.01 50km USA11th Sean O'Brien 50 km Trail Race 4:06:02 h1 🏆
2023
01.09 170km FRA20ème Ultra Trail Tour du Mont Blanc 26:15:44 h60
24.06 100mi USA50th Western States 100 Mile Endurance Run 15:42:09 h9
15.04 48km USA20th Desert Rats Trail Running Festival 50 km 3:39:17 h3 🥉
07.01 100km USA23rd Bandera 100 km Endurance Run 8:23:54 h1 🏆
2022
05.11 78km THA1st Long Trail World Mountain & Trail Running Championships 2021 (WMTRC) 7:58:23 h14
25.06 100mi USA49th Western States 100 Mile Endurance Run 16:51:53 h11
12.02 99.9km USA9th Black Canyon Trail 100 km Run 8:05:14 h3 🥉
2021
11.09 100mi USA10th Idaho Mountain Trail Ultra Festival (IMTUF 100) 20:16:24 h1 🏆
31.07 50km USA9th Power of Four Trail Run 5:47:40 h2 🥈
2019
25.05 50mi USA14th Jemez Mountain 50mi Trail Run 8:32:55 h1 🏆
13.04 108km ESPVIII. Penyagolosa Trail CSP 12:48:10 h6
06.04 85km/2stages FRAOne&1 Run to Camp 10:22:37 h15
06.01 100km USA19th Bandera 100 km Endurance Run 8:35:51 h3 🥉
2018
14.09 100mi USA12th Run Rabbit Run 100 Mile UltraMarathon - Hares Run 21:18:19 h7
14.07 50km USA2nd Mountain Running Series - Copper Mountain 4:17:13 h2 🥈
12.05 100km USA8th Ultra Race of Champions (UROC) 100K 10:36:23 h2 🥈
07.01 100km USA18th Bandera 100 km Endurance Run 8:48:53 h5
2017
02.09 65km USA4th Grand Traverse Mountain Run 6:15:20 h1 🏆
2016
16.10 50km USA5th Big Brad Ultras - Pounder 50 km 4:23:20 h1 🏆