Jeffrey Urbanski
ID 157585
Born : 1985 Cat. M40 Ultrarunner since 2010 USA
34
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
59
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
3
Countries visited ?FRAFranceTPETaiwanUSAUnited States
26,9%
Rank quotient ?This runner's calculation uses 35 eligible race(s): Σ(rank − 1) = 1 855; Σ finishers = 6 889. 1 855 / 6 889 × 100 = 26.93%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed35
Km — ultra races4 881 km
> 100 km24
> 160 km24
> 200 km1
> 24h8
Longest race243,5 km
6th Six Days in the Dome - The Redux 24h — 16/6/2023

Km per year (ultra races)

509
4 races
2022
752
4 races
2023
533
4 races
2024
211
2 races
2025
2026

Race types (share of distance)

Road28,7%
Trail66,3%
?5,0%

Wins & podiums (ultra)

🏆 Win5
🏆 Win M5
🏅 Top 38
🏅 Top 3 M8
Longest winning streak1
Current streak1

Records

50 km4h04'47100 km11h38'4550 mi7h37'39100 mi15h30'0324 h243,54 km

HISTORY

41 race(s) · 9 split(s) nested
DateRacePerf.Rk
2025
13.09 50km USA7th Snow Mountain Ranch 50 km Trail Race 4:04:47 h1 🏆
28.06 100mi USA52nd Western States 100 Mile Endurance Run 22:32:44 h55
2024
14.12 100mi USA15th Desert Solstice Track Invitational - 100mi Split 20:52:49 h14
14.12 24h USA15th Desert Solstice 24 Hour Run 161.600 km14
08.06 100mi USA29th Kettle Moraine 100 Mile Endurance Run 21:57:52 h20
20.04 50km USA3rd Royal Gorge Groove 4:35:57 h3 🥉
03.02 100mi USA32th Rocky Raccoon 100 Mile Trail Run 18:38:13 h5
2023
01.12 24h TPEIAU 24h WC Taipei (all races combined) 173.684 km197
01.12 12h TPEIAU 24h WC Taipei - 12h Split 120.000 km145
01.12 100mi TPEIAU 24h WC Taipei - 100mi Split 20:08:51 h184
01.12 24h TPEIAU 24h WC Taipei 173.684 km177
16.06 24h USA6th Six Days in the Dome - The Redux 24h 243.539 km1 🏆
28.04 100mi USA10th The Canyons Endurance 100 Miles Run 20:27:09 h12
2022
10.12 100mi USA13th Desert Solstice Track Invitational - 100mi Split 17:07:50 h17
10.12 24h USA13th Desert Solstice 24 Hour Run 198.936 km10
26.08 170km FRA19ème Ultra Trail Tour du Mont Blanc 36:01:32 h493
29.07 60km USA8th Never Summer 60k 7:24:05 h14
04.06 50mi USA13th North Fork 50 Mile Trail Race 8:46:57 h3 🥉
2021
11.12 50km USA12th Desert Solstice 24 Hour Run - 50km Split 4:33:03 h20
11.12 100km USA12th Desert Solstice 24 Hour Run - 100km Split 9:51:17 h22
11.12 24h USA12th Desert Solstice Track Invitational 174.790 km9
23.04 100mi USA8th Jackpot Ultra Running Festival 100 Mile Race - US Championship 18:57:51 h11
06.03 40mi USA2nd AlfaDog 40 Mile Race 4:49:06 h1 🏆
2020
12.12 24h USA11th Desert Solstice Track Invitational 164.394 km13
01.02 100mi USA28th Rocky Raccoon 100 Mile Trail Run 15:30:03 h3 🥉
2019
17.08 100mi USA37th Leadville Trail 100 Mile 21:12:33 h19
13.04 24h USA6th 24 Hours of Palmer Lake Fun Run 193.990 km1 🏆
2018
13.10 100mi USA6th Indiana Trail 100 Mile 23:25:54 h35
07.07 103mi USA4th Silverheels Trail Run - 100mi 25:34:00 h1 🏆
19.05 50mi USA13th Jemez Mountain 50mi Trail Run 10:20:27 h23
2017
09.06 100mi USA16th San Diego 100 Mile Endurance Run 23:10:41 h14
01.04 100mi USA23rd Umstead Endurance Run 100 Miles 18:33:00 h8
18.02 100km USA4th Black Canyon Trail 100 km Run 11:38:45 h35
2016
08.04 100mi USA5th The Zion 100 Mile Run 27:05:38 h56
2015
31.10 100mi USA13th Javelina Jundred 100 Mile Endurance Run 22:03:40 h51
2014
07.06 50mi USA12th Rainier to Ruston Rail-Trail 50 Mile Ultra 8:59:54 h12
2013
07.12 50mi USA7th Endurance Challenge - California Trail 50 Mile 11:40:30 h243
17.08 100mi USA31st Leadville Trail 100 Mile 28:14:56 h273
09.03 50mi USA10th Land Between The Lakes 50 Mile Trail Run 9:24:38 h44
2011
05.02 100mi USA19th Rocky Raccoon 100 Mile Trail Runs 20:39:49 h28
2010
16.10 50mi USA3rd Nashville 50 Mile Ultra Marathon 7:37:39 h5