Jakub Rehacek
Born : 1964 Cat. M60 Ultrarunner since 2013 USA
28
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
3
Countries visited ?CZECzechiaMARMoroccoUSAUnited States
67,0%
Rank quotient ?This runner's calculation uses 28 eligible race(s): Σ(rank − 1) = 1 474; Σ finishers = 2 199. 1 474 / 2 199 × 100 = 67.03%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed38
Km — ultra races2 954 km
> 100 km9
> 160 km8
> 200 km4
Longest race275,2 km

Km per year (ultra races)

263
4 races
2022
827
8 races
2023
769
6 races
2024
734
5 races
2025
83
1 race
2026

Race types (share of distance)

Road22,1%
Trail60,1%
Stage17,8%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M1
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0

HISTORY

28 race(s)
DateRacePerf.Rk
2026
21.03 51.4mi USA13th Badwater Cape Fear 50 Mile 12:58:00 h73
2025
08.11 140mi USA4th Route 66 UltraRun Journey 46:58:00 h3 🥉
07.07 135mi USA39th Badwater Ultramarathon 44:55:01 h85
25.05 50km USA8th Sweat, Swat 'n Swear! 50 km Run 7:03:56 h22
05.04 50mi USA31st Croom Trail 50 Mile Fools Run 12:33:22 h17
18.01 100mi USA15th Long Haul 100 Mile Ultra-Marathons 29:04:33 h107
2024
21.12 50km USA1st Peace River 50k 7:04:53 h27
23.11 45mi USA4th Colt 45 Mile Trail Run 10:31:28 h23
22.09 171mi/6stages USA12th Grand to Grand Ultra 2d 09:35:01 h18
18.05 100mi USA16th Keys100 Ultra-Marathons 100mi 31:44:43 h85
06.04 50km USA30th Croom Trail 50K I'm Not A Fool Run 6:57:00 h31
13.01 100mi USA14th Long Haul 100 Mile Ultra-Marathons 28:47:43 h84
2023
18.11 45mi USA3rd Colt 45 Mile Trail Run 11:21:31 h38
04.11 100mi USA1st Tampa Bay 100 Mile 28:01:32 h20
28.05 50km USA6th Sweat, Swat 'n Swear! 50 km Run 6:44:58 h31
21.04 250km/6stages MAR37. Marathon des Sables 2d 08:35:45 h507
01.04 50mi USA29th Croom Trail 50 Mile Fools Run 13:08:24 h26
04.03 33mi USA11th Long Play Trail Race 8:14:39 h55
11.02 60km USA2nd Skunk Ape's Revenge 60 km 8:48:03 h30
07.01 100km USA13th Croom Zoom 100 km Run 15:50:14 h8
2022
19.11 45mi USA2nd Colt 45 Mile Trail Run 10:45:06 h27
02.04 50mi USA28th Croom Trail 50 Mile Fools Run 12:06:10 h20
12.02 60km USA1st Skunk Ape's Revenge 60 km 8:31:04 h32
01.01 50km USA12th Croom Zoom 50 km Run 7:53:58 h28
2021
22.05 75km USA11th Croom Zoom 75 km Run 11:39:23 h17
03.04 50km USA27th Croom Trail 50K I'm Not A Fool Run 9:14:19 h19
2020
04.01 50km USA10th Croom Zoom 50 km Run 7:41:30 h64
2013
03.05 103km CZEJesenicka Stovka 100 Ultramaraton 14:49:00 h5