Karen Holland
ID 212643
Born : 1986 Cat. W40 Ultrarunner since 2010 CAN
35
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 ?CANCanadaSUISwitzerlandUSAUnited States
15,5%
Rank quotient ?This runner's calculation uses 35 eligible race(s): Σ(rank − 1) = 1 099; Σ finishers = 7 088. 1 099 / 7 088 × 100 = 15.51%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed35
Km — ultra races3 222 km
> 100 km10
> 160 km4
> 24h1
Longest race160,9 km
49th Western States 100 Mile Endurance Run — 25/6/2022

Km per year (ultra races)

393
4 races
2022
2023
2024
100
1 race
2025
100
1 race
2026

Race types (share of distance)

Trail96,7%
Elim.3,3%

Wins & podiums (ultra)

🏆 Win1
🏆 Win F7
🏅 Top 31
🏅 Top 3 F18
Longest winning streak1
Current streak0

Records

50 km4h49'58100 km9h55'1450 mi7h36'07100 mi19h43'11Backyard16 loops

HISTORY

35 race(s)
DateRacePerf.Rk
2026
23.05 100km CAN33rd Sulphur Springs Trail Run 100km 9:58:52 h5
2025
24.05 100km CAN32nd Sulphur Springs Trail Run 100km 9:55:14 h6
2022
23.07 8h USA7th Loopty Loop 8 Hour Ultra Trail Marathon 74.834 km1 🏆
25.06 100mi USA49th Western States 100 Mile Endurance Run 25:15:17 h113
04.06 50km USA17th War Eagle 50K 4:49:58 h7
21.05 Backyard Ultra USA2nd Arkansas Backyard Ultra Championship 107.296 km (16h)25
2021
13.11 40mi USA5th The Back 40 Trail Run 7:03:35 h5
2019
04.05 100km USA24th Miwok 100k Trail Race 12:07:50 h51
13.04 50km CAN22nd Diez Vista 50K Trail Run 5:31:39 h26
2018
08.09 125km CAN6th Ultra trail Harricana of Canada 125 km 19:25:38 h33
05.05 50mi USA11th Endurance Challenge - New York Trail 50 Miles 10:10:07 h38
14.04 100km CAN2nd Diez Vista 100K Trail Run 13:44:06 h9
17.02 55km USA12th Moab Red Hot 55k 5:40:03 h47
2017
07.09 100mi USA11th Run Rabbit Run 100 Mile UltraMarathon - Hares Run 25:59:38 h22
15.07 50mi CAN4th Endurance Challenge - Ontario Trail 50 Mile 8:30:19 h6
03.06 50mi USA5th Cayuga Trails 50 Mile Race 9:13:58 h19
08.04 100km CAN1st Diez Vista 100K Trail Run 13:46:46 h5
2016
10.09 125km CAN4th Ultra trail Harricana of Canada 125 km 16:02:42 h12
06.08 50km CAN10th Creemore Vertical Challenge 50 km Trail Run 5:19:11 h5
16.07 101km SUI4. Eiger Ultra Trail 101 km 17:36:14 h107
04.06 50mi USA4th Cayuga Trails 50 Mile Race 9:34:50 h40
2015
21.11 50mi USA53rd JFK 50 Mile 7:36:55 h51
18.09 100mi USA9th Run Rabbit Run 100 Mile UltraMarathon - Hares Runs 24:45:28 h18
18.07 50mi CAN2nd Endurance Challenge - Ontario Trail 50 Mile 9:24:36 h9
31.05 50mi USA3rd Cayuga Trails 50 Mile Race 8:54:09 h31
2014
22.11 50mi USA52nd JFK 50 Mile 7:36:07 h48
05.10 50mi USA1st Endurance Challenge - Utah Trail 50 Miles 9:47:08 h22
19.07 100mi USA26th Vermont 100 Mile Endurance Race 19:43:11 h34
01.06 50mi USA2nd Cayuga Trails 50 Mile Race 9:04:00 h27
2013
07.12 50km USA7th Endurance Challenge - California Trail 50 km 4:59:59 h17
06.07 146km CAN6th Sinister 7 Ultra 23:10:53 h19
2012
04.08 125km CAN13th Canadian Death Race 21:23:24 h61
02.06 50km USA5th Endurance Challenge - Washington D.C. Trail 50 km 5:40:46 h61
2011
03.12 50km USA5th Endurance Challenge - California Trail 50 km 5:50:26 h57
2010
04.12 50km USA4th Endurance Challenge - California Trail 50 km 6:42:54 h97