Jitka O'Farrell
Born : 1977 Cat. W45 Ultrarunner since 2011 USA
34
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
2
Countries visited ?CZECzechiaUSAUnited States
44,7%
Rank quotient ?This runner's calculation uses 34 eligible race(s): Σ(rank − 1) = 2 340; Σ finishers = 5 235. 2 340 / 5 235 × 100 = 44.70%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed34
Km — ultra races3 108 km
> 100 km9
> 160 km8
Longest race160,9 km

Km per year (ultra races)

161
1 race
2022
211
2 races
2023
211
2 races
2024
225
2 races
2025
211
2 races
2026

Race types (share of distance)

Trail89,6%
Stage10,4%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F1
Longest winning streak0
Current streak0

HISTORY

34 race(s)
DateRacePerf.Rk
2026
12.09 50km USA13th Devil on the Divide Ultra 8:21:40 h94
10.07 100mi USA33rd Hardrock Hundred Endurance Run 43:16:15 h65
2025
23.08 40mi USA12th Telluride Mountain Run 12:52:11 h46
18.07 100mi USA9th High Lonesome 100 Mile 32:30:30 h76
2024
21.09 100mi USA12th Flagstaff to Grand Canyon Stagecoach Line 100mi 27:16:02 h22
20.07 50km USA12th Power of Four Trail Run 8:51:39 h86
2023
09.09 50km USA10th Devil on the Divide Ultra 7:21:46 h38
14.07 100mi USA30th Hardrock Hundred Endurance Run 39:14:02 h46
2022
29.07 100mi USA1st Crazy Mountain 100 34:37:03 h58
2021
17.09 100mi USA9th Flagstaff to Grand Canyon Stagecoach Line 100mi 28:40:47 h43
10.07 55km USA8th Beaverhead 55K Endurance Run 8:26:38 h34
19.06 108km USA8th River of No Return Endurance Run 108K 19:10:43 h44
08.05 50mi USA10th Quad Rock 50 Mile 12:49:09 h84
2020
11.07 100km USA7th Beaverhead 100K Endurance Run 16:44:26 h68
2019
13.09 100mi USA13th Run Rabbit Run 100 Mile UltraMarathon - Tortoises Run 33:40:50 h111
11.05 50mi USA38th Ice Age Trail 50 Mile Run 10:20:32 h161
16.02 60km USA6th Black Canyon Trail 60 km Run 6:52:19 h76
2018
08.09 50km USA5th Devil on the Divide Ultra 6:09:58 h23
23.06 50mi USA24th San Juan Solstice 50 Mile Run 12:39:07 h80
05.05 100km USA23nd Miwok 100k Trail Race 13:48:52 h145
17.02 100km USA5th Black Canyon Trail 100 km Run 13:09:45 h101
2017
29.09 100mi USA19th The Bear 100 Mile Endurance Run 28:33:05 h76
09.09 50km USA4th Devil on the Divide Ultra 7:19:59 h30
16.06 55km CZEKrakonosova Stovka 55 km 7:04:08 h12
13.05 50mi USA6th Quad Rock 50 Mile 13:05:01 h72
18.02 60km USA4th Black Canyon Trail 60 km Run 7:28:17 h25
2016
10.09 50km USA3rd Devil on the Divide Ultra 7:11:52 h26
25.06 50mi USA22nd San Juan Solstice 50 Mile Run 13:25:24 h94
04.06 50km USA8th Golden Gate Dirty 30 8:26:25 h233
2015
12.09 50km USA2nd Devil on the Divide Ultra 7:13:16 h27
25.07 100km USA1st Never Summer 100k 21:15:38 h98
2014
13.09 50mi USA8th Run Rabbit Run 50 mile Endurance Run 11:32:45 h57
2011
17.06 50mi USA20th Bighorn Mountain Wild & Scenic 50mi Trail Run 11:42:23 h75
19.02 55km USA5th Moab Red Hot 55k 5:50:59 h48