Jason Havelka
ID 778789
Born : 1985 Cat. M40 Ultrarunner since 2016 USA
27
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
35
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
62,1%
Rank quotient ?This runner's calculation uses 27 eligible race(s): Σ(rank − 1) = 2 558; Σ finishers = 4 118. 2 558 / 4 118 × 100 = 62.12%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed27
Km — ultra races1 641 km
Longest race100,0 km
1st Secret Beach 100 km Race — 6/10/2018

Km per year (ultra races)

2022
2023
100
2 races
2024
2025
150
3 races
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 30
🏅 Top 3 M1
Longest winning streak0
Current streak0

Records

50 km5h45'34100 km17h20'3650 mi12h03'31

HISTORY

27 race(s)
DateRacePerf.Rk
2026
27.06 50km USA9th Wy’east Wonder 50 km Trail Race 7:19:40 h92
13.06 50km USA39th McKenzie River 50 km Trail Run 6:42:26 h94
03.05 50km USA3rd Sisters Country 6:34:08 h126
2024
07.09 50km USA7th Wy’east Wonder 50 km Trail Race 8:48:37 h173
11.05 50km USA16th Sun Mountain 50 km Trail Races 8:23:11 h216
2021
19.06 50km USA5th Millersylvania Trail Race 50K 6:04:00 h13
2019
14.12 50km USA9th Deception Pass 50 km 7:11:34 h163
16.11 50mi USA13th Endurance Challenge - California Trail 50 Mile 13:28:47 h415
06.07 50km USA3rd Ochoco Trail Run 50K 7:18:25 h17
08.06 55km USA1st Wild Outback 55k Trail Race 7:56:15 h52
11.05 50mi USA11th Sun Mountain 50 Mile Trail Races 12:38:58 h124
20.04 50km USA9th Yakima Skyline Rim 50k 8:45:06 h130
2018
03.11 50km USA5th Silver Falls Trail Run 5:46:30 h49
06.10 100km USA1st Secret Beach 100 km Race 17:20:36 h19
08.09 50mi USA28th Superior Fall Trail Races 50 Mile 14:09:19 h67
28.07 52mi USA2nd Elkhorn Crest 50 15:52:03 h26
07.07 50mi USA2nd Ochoco Trail Run 50M 12:27:34 h29
27.01 50mi USA1st Arches Ultra 50 Mile Race 12:03:31 h56
2017
04.11 50km USA4th Silver Falls Trail Run 5:45:34 h51
07.10 50km USA4th Oregon Coast 50k 5:57:59 h108
16.09 100km USA16th Plain 100 km Endurance Run 18:48:00 h5
05.08 50km USA11th El Vaquero Loco 50K Mountain Race 9:09:10 h68
22.07 50km USA19th Siskiyou Out Back 50 km Trail Run 6:01:15 h57
2016
05.11 50km USA3rd Silver Falls Trail Run 5:58:40 h71
03.09 50km USA5th Volcanic 50 8:22:19 h73
16.04 50km USA6th Yakima Skyline Rim 50k 8:34:32 h88
19.03 50km USA24th Chuckanut 50K 6:32:13 h203