Jaana Williams
ID 1283160
Born : 1971 Cat. W55 Ultrarunner since 2019 USA
10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
22
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
34,6%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 409; Σ finishers = 1 183. 409 / 1 183 × 100 = 34.57%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed10
Km — ultra races564 km
Longest race80,5 km
14th Stone Mill 50 Mile Run — 11/11/2023

Km per year (ultra races)

100
2 races
2022
261
4 races
2023
100
2 races
2024
53
1 race
2025
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F2
Longest winning streak0
Current streak0

Records

50 km5h40'3650 mi10h56'08

HISTORY

10 race(s)
DateRacePerf.Rk
2025
01.03 8h USA4th The Dark Side 8 Hour Ultra 53.108 km10
2024
19.10 50km USA11th Patapsco Valley 50K 6:55:11 h79
02.03 50km USA6th No Man’s 50K Challenge 7:05:06 h8
2023
11.11 50mi USA14th Stone Mill 50 Mile Run 10:56:08 h64
14.10 50km USA2nd Rocky Gap 50k 6:26:49 h20
15.04 50mi USA29th Bull Run Run 50 Miler 11:29:20 h62
11.03 50km USA18th Seneca Creek Greenway Trail 50k 7:06:49 h65
2022
30.07 8h USA5th Miner's Lady Eight Hour Race 49.889 km23
07.05 50km USA12th Dirty German Endurance Fest 50 km 5:58:46 h21
2019
27.04 50km USA12th Endurance Challenge - Washington D.C. Trail 50 km 5:40:36 h67