Jason Hammel
ID 967334
Born : 1977 Cat. M45 Ultrarunner since 2017 USA
20
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
36
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
34,1%
Rank quotient ?This runner's calculation uses 21 eligible race(s): Σ(rank − 1) = 705; Σ finishers = 2 066. 705 / 2 066 × 100 = 34.12%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed21
Km — ultra races1 860 km
> 100 km6
> 160 km3
> 24h3
Longest race160,9 km
33th Arkansas Traveller 100 — 7/10/2023

Km per year (ultra races)

54
1 race
2022
241
2 races
2023
60
1 race
2024
2025
53
1 race
2026

Race types (share of distance)

Road9,4%
Trail79,4%
Elim.11,2%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M1
🏅 Top 33
🏅 Top 3 M3
Longest winning streak0
Current streak0

Records

50 km5h16'37100 km13h25'0450 mi9h01'45100 mi20h18'1624 h120,80 kmBackyard16 loops

HISTORY

21 race(s)
DateRacePerf.Rk
2026
15.08 53km USA9th Cloudcroft Ultra Run 7:21:36 h22
2024
13.07 60km USA10th Silverheels Trail Run - 60km 13:40:00 h37
2023
07.10 100mi USA33th Arkansas Traveller 100 29:29:48 h108
18.03 50mi USA24th Grasslands 50 Mile Trail Run 9:01:45 h8
2022
13.08 24h USA2nd WRATH Texas 24 Hour Endurance Runs 54.315 km2 🥈
2021
05.06 50km USA16th War Eagle 50K 5:16:37 h17
22.05 56km USA3rd Possums Revenge 56 km Race 6:47:24 h5
10.04 Backyard Ultra USA3rd The Game Backyard Ultra 107.296 km (16h)16
23.01 54km USA4th Running the Rose 54k 5:58:11 h12
2020
14.03 24h USA4th Lhotse 24-Hour Endurance Challenge 120.800 km5
11.01 100km USA20th Bandera 100 km Endurance Run 13:25:04 h68
2019
07.12 100mi USA6th Brazos Bend 100 - US Championship 20:18:16 h18
07.12 100mi USA6th Brazos Bend 100 - 100 Mile 20:18:17 h26
26.10 100km USA1st Lake Murray 100 km Endurance Run 15:51:16 h2 🥈
13.04 Backyard Ultra USA1st The Game Backyard Ultra 100.590 km (15h)13
06.01 100km USA19th Bandera 100 km Endurance Run 16:08:27 h140
2018
10.11 50km USA4th Franklin Mountains Trail Run 7:54:34 h31
13.10 50mi USA2nd Orion Ultra 50 Mile Race 9:16:52 h3 🥉
07.01 100km USA18th Bandera 100 km Endurance Run 16:13:04 h142
2017
15.07 60km USA11th Capt'n Karl's Trail Series - Muleshoe Bend 8:52:03 h27
03.06 50km USA12th War Eagle 50K 5:26:52 h24