Jenny Dolak
ID 924637
Born : 1965 Cat. W60 Ultrarunner since 2017 USA
25
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
45
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
1
Countries visited ?USAUnited States
67,6%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 873; Σ finishers = 1 291. 873 / 1 291 × 100 = 67.62%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed25
Km — ultra races2 813 km
> 100 km6
> 160 km4
> 200 km2
> 24h3
> 48h1
Longest race412,8 km
5th Cocodona 250 — 5/5/2025

Km per year (ultra races)

201
3 races
2022
805
5 races
2023
295
4 races
2024
735
5 races
2025
161
2 races
2026

Race types (share of distance)

Trail90,9%
Elim.9,1%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F1
🏅 Top 31
🏅 Top 3 F4
Longest winning streak0
Current streak0

Records

50 mi11h47'29100 mi31h44'57Backyard12 loops

HISTORY

25 race(s)
DateRacePerf.Rk
2026
07.03 50mi USA36th Old Pueblo 50 Mile Endurance Run 13:48:27 h37
31.01 50mi USA10th AZT Oracle Rumble 50 Mile 13:17:35 h26
2025
06.12 50mi USA12th Colossal Vail 50 Mile 11:47:29 h34
27.09 Backyard Ultra USA5th Babbitt’s Backyard Ultra 80.472 km (12h)20
05.05 412.8km USA5th Cocodona 250 4d 18:57:50 h126
01.03 50mi USA35th Old Pueblo 50 Mile Endurance Run 13:02:30 h44
25.01 50mi USA9th AZT Oracle Rumble 50 Mile 12:50:13 h29
2024
07.12 50mi USA11th Colossal Vail 50 Mile 11:57:59 h37
28.09 Backyard Ultra USA4th Babbitt’s Backyard Ultra 53.648 km (8h)16
02.03 50mi USA34th Old Pueblo 50 Mile Endurance Run 13:07:49 h39
27.01 50mi USA8th AZT Oracle Rumble 50 Mile 13:12:00 h38
2023
02.12 50mi USA10th Colossal Vail 50 Mile 12:24:24 h36
01.05 250mi USA3rd Cocodona 250 Mile Race 5d 02:10:31 h136
04.03 50mi USA33th Old Pueblo 50 Mile Endurance Run 13:19:34 h23
28.01 50mi USA7th AZT Oracle Rumble 50 Mile 13:31:47 h25
14.01 100mi USA13th Coldwater Rumble 100 Mile Race 31:44:57 h56
2022
10.12 50mi USA9th Colossal Vail 50 Mile 12:07:00 h32
19.11 Backyard Ultra USA2nd Backyard Ultra – Summit Trail Racing 60.354 km (9h)15
22.10 Backyard Ultra USA2nd Babbitt’s Backyard Ultra 60.354 km (9h)24
2020
07.03 100mi USA30th Old Pueblo 100 Mile Endurance Run 32:50:01 h9
25.01 50mi USA4th AZT Oracle Rumble 50 Mile 13:13:22 h24
2019
18.05 53km USA2nd Cloudcroft Ultra Run 9:08:02 h33
02.03 75mi USA29th Old Pueblo 75 Mile Endurance Run 24:59:23 h3 🥉
2018
03.03 75mi USA28th Old Pueblo 75 Mile Endurance Run 23:57:50 h5
2017
04.03 50mi USA27th Old Pueblo 50 Mile Endurance Run 12:52:53 h31