Jason Spruill
ID 167571
Born : 1975 Cat. M50 Ultrarunner since 2007 USA
11
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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
24,0%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 372; Σ finishers = 1 548. 372 / 1 548 × 100 = 24.03%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed11
Km — ultra races672 km
> 100 km1
> 24h1
Longest race120,7 km
1st Operation Endurance 24 Hour Run — 30/4/2011

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road18,0%
Trail82,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0

Records

50 km4h40'2250 mi10h09'1524 h120,70 km

HISTORY

11 race(s)
DateRacePerf.Rk
2011
30.04 24h USA1st Operation Endurance 24 Hour Run 120.700 km7
19.03 33mi USA12th Oak Mountain 50km Race 7:07:10 h37
22.01 50km USA17th Mountain Mist 50k 6:10:12 h90
2010
27.02 50km USA5th Mount Cheaha 50K UltraMarathon Race 5:45:00 h25
2009
08.03 50mi USA28th Carl Touchstone Memorial Mississippi Trail 50 Mile 10:09:15 h21
24.01 50km USA15th Mountain Mist 50k 5:50:53 h60
2008
07.12 40mi USA19th Pine Mountain 40 Miles 8:26:05 h20
22.03 33mi USA9th Oak Mountain 50km Race 6:12:18 h25
23.02 50km USA3rd Mount Cheaha 50K UltraMarathon Race 6:23:32 h45
26.01 50km USA14th Mountain Mist 50k 5:34:31 h50
2007
06.10 50km USA6th Rock/Creek StumpJump 50K 4:40:22 h3 🥉