Jason Harm
ID 122547
Born : 1972 Cat. M50 Ultrarunner since 2009 USA
36
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
44
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
24,3%
Rank quotient ?This runner's calculation uses 36 eligible race(s): Σ(rank − 1) = 2 128; Σ finishers = 8 765. 2 128 / 8 765 × 100 = 24.28%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed36
Km — ultra races2 536 km
> 100 km3
> 160 km2
Longest race160,9 km
16th Run Rabbit Run 100 Mile UltraMarathon - Hares Run — 16/9/2022

Km per year (ultra races)

291
3 races
2022
230
3 races
2023
50
1 race
2024
130
2 races
2025
150
2 races
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

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

Records

50 km5h01'21100 km14h02'0050 mi8h14'21100 mi21h36'43

HISTORY

36 race(s)
DateRacePerf.Rk
2026
25.04 100km USA13th The Canyons Endurance 100 km Run 17:02:39 h347
28.02 50km USA11th Salmon Falls 50 km Race 5:12:44 h14
2025
12.04 50mi USA17th Lake Sonoma 50 Mile Race 10:46:20 h40
22.02 50km USA10th Salmon Falls 50 km Race 6:19:34 h70
2024
17.02 50km USA12th FOURmidable 50K 5:42:52 h25
2023
21.10 100km USA3rd Lake Sonoma 100K & 50K 14:02:00 h54
08.04 50mi USA15th Lake Sonoma 50 Mile Race 11:31:13 h84
25.02 50km USA8th Salmon Falls 50 km Race 5:02:09 h19
2022
16.09 100mi USA16th Run Rabbit Run 100 Mile UltraMarathon - Hares Run 29:02:20 h48
09.04 50mi USA14th Lake Sonoma 50 Mile Race 9:54:45 h52
26.02 50km USA7th Salmon Falls 50 km Race 5:11:11 h24
2021
30.10 159.2km USA19th Javelina Jundred 100 Mile Endurance Run 21:36:43 h48
05.09 50mi USA13th Lake Sonoma 50 Mile Race 11:26:41 h36
2020
29.02 50km USA6th Salmon Falls 50 km Race 5:05:51 h24
2019
23.02 50km USA5th Salmon Falls 50 km Race 5:04:37 h13
2018
24.02 50km USA4th Salmon Falls 50 km Race 5:08:10 h31
2016
20.08 50mi USA3rd Pioneer Spirit 50M 8:47:24 h3 🥉
27.02 50km USA2nd Salmon Falls 50 km Race 5:03:09 h12
2015
16.08 50km USA20th Run On The Sly 50 km 5:19:37 h11
04.04 50mi USA36th American River 50 Mile Endurance Run 8:14:21 h43
28.02 50km USA1st Salmon Falls 50 km Race 5:04:23 h8
2014
08.03 50km USA25th Way Too Cool 50K Endurance Run 5:01:21 h170
08.02 50km USA4th American Canyon Ultramarathon 5:43:45 h11
2013
23.11 50mi USA4th The Spirit of Rock 50M 9:20:05 h8
18.08 50km USA18th Run On The Sly 50 km 5:31:02 h19
09.02 50km USA3rd American Canyon Ultramarathon 5:52:21 h42
2012
19.08 50km USA17th Run On The Sly 50 km 5:52:37 h25
2011
16.07 100mi USA10th Tahoe Rim Trail 100M Endurance Run 26:19:47 h18
21.05 50mi USA26th Silver State 50 Mile 10:21:28 h18
12.03 50km USA22nd Way Too Cool 50K Endurance Run 5:37:17 h218
2010
05.09 50km USA15th Run On The Sly 50 km 5:57:15 h23
10.04 50mi USA31st American River 50 Mile Endurance Run 9:08:10 h159
13.03 50km USA21st Way Too Cool 50K Endurance Run 5:28:52 h121
2009
10.10 50mi USA27th Dick Collins Firetrails 50 Mile 9:12:31 h57
06.09 50km USA14th Run On The Sly 50 km 5:27:51 h14
14.03 50km USA20th Way Too Cool 50K Endurance Run 6:11:04 h255