Jennifer Tackley
ID 760417
Born : 1964 Cat. W60 Ultrarunner since 2015 CAN
34
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
37
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 ?CANCanadaUSAUnited States
69,2%
Rank quotient ?This runner's calculation uses 34 eligible race(s): Σ(rank − 1) = 2 227; Σ finishers = 3 219. 2 227 / 3 219 × 100 = 69.18%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed34
Km — ultra races1 873 km
> 24h1
Longest race100,0 km
17th Javelina Jundred 100 km Endurance Run — 26/10/2019

Km per year (ultra races)

50
1 race
2022
2023
50
1 race
2024
50
1 race
2025
50
1 race
2026

Race types (share of distance)

Road13,5%
Trail86,5%

Wins & podiums (ultra)

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

Records

50 km6h18'45100 km16h03'4550 mi11h39'486 h46,36 km12 h83,34 km24 h72,51 km

HISTORY

34 race(s)
DateRacePerf.Rk
2026
12.09 50km CAN26th Lost Soul Ultra 50 km Race 9:34:00 h120
2025
22.11 50km USA10th Valley of Fire Backcountry（Fire Fest Ultra） 8:47:23 h27
2024
07.09 50km CAN24th Lost Soul Ultra 50 km Race 10:19:44 h114
2022
31.07 50km USA4th Badger Trail Races by Ten Junk Miles Racing 7:55:02 h47
2020
08.02 50km USA22th Pemberton Trail 50 km 6:36:30 h44
2019
28.12 24h USA35th Across the Years, 24h 72.507 km117
26.10 100km USA17th Javelina Jundred 100 km Endurance Run 16:03:45 h96
05.10 50mi USA5th The Hennepin Hundred - 50 Mile Run 11:39:48 h83
17.08 51km USA11th E.T. Full Moon Midnight Ultra Marathon 6:53:03 h21
28.06 50km USA9th Black Hills 50 km Run 9:30:50 h79
01.06 50km USA24th Kettle Moraine 50 km Endurance Run 7:46:24 h60
04.05 50km CAN2nd Oxbow 50km Race 6:46:00 h51
16.02 60km USA6th Black Canyon Trail 60 km Run 8:32:59 h163
09.02 50km USA21th Pemberton Trail 50 km 6:37:40 h51
19.01 52km USA9th Coldwater Rumble 52K Race 8:36:26 h57
2018
26.05 50km CAN1st Epic East Gate Race 8:12:05 h41
19.05 50km USA16th Superior Spring 50 km Trail Race 7:36:24 h186
05.05 50km CAN1st Oxbow 50km Race 6:50:38 h42
24.03 50km USA6th Extreme North Dakota Sandhills Ultra Run Experience (END-SURE) 50K 7:38:00 h22
17.02 60km USA5th Black Canyon Trail 60 km Run 8:38:31 h78
10.02 50km USA20th Pemberton Trail 50 km 6:38:30 h33
04.02 8h CAN1st Frozen Falcon 8 Hour Run 45.061 km22
20.01 52km USA8th Coldwater Rumble 52K Race 7:46:48 h40
2017
07.10 50km USA3rd The Hennepin Hundred - 50 km Run 7:04:25 h23
29.09 12h CAN8th Beaudry Lemming Loop 12h 83.340 km5
12.08 60km CAN8th Iron Legs 60km Mountain Race 13:12:14 h48
20.05 50km USA15th Superior Spring 50 km Trail Race 8:05:51 h210
2016
15.10 50km USA8th Wild Duluth 50 km Races 8:36:36 h89
01.10 6h CAN7th Beaudry Lemming Loop 6h 46.360 km16
27.08 50km USA3rd ADK 50K 7:23:56 h7
09.07 50km USA13th Dances with Dirt - Devil's Lake 50K Ultra 7:04:10 h111
16.04 50km USA26th Trail Mix Race 6:57:11 h90
13.02 60km USA3rd Black Canyon Trail 60 km Run 10:03:27 h54
2015
22.08 50km USA11th Lean Horse Ultra-Marathon 50 km 6:18:45 h14