Jason Marschner
ID 166046
Born : 1976 Cat. M50 Ultrarunner since 2006 USA
32
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
41,5%
Rank quotient ?This runner's calculation uses 32 eligible race(s): Σ(rank − 1) = 1 531; Σ finishers = 3 687. 1 531 / 3 687 × 100 = 41.52%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed32
Km — ultra races2 304 km
> 100 km1
> 160 km1
Longest race160,9 km
10th Run Woodstock - 100 Mile Hallucination Run — 7/9/2018

Km per year (ultra races)

100
1 race
2022
150
2 races
2023
318
5 races
2024
211
3 races
2025
2026

Race types (share of distance)

Road8,3%
Trail91,7%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M1
🏅 Top 32
🏅 Top 3 M3
Longest winning streak0
Current streak0

Records

50 km5h09'04100 km14h01'3950 mi9h51'45100 mi26h45'216 h60,86 km12 h80,47 km

HISTORY

32 race(s)
DateRacePerf.Rk
2025
06.09 50mi USA17th Run Woodstock - Peace Love and 50 Miles 12:55:51 h43
07.06 12h USA5th Island Time 12 Hour Race 80.467 km2 🥈
10.05 50km USA7th Traverse City Trail Running Festival 50 km Race 5:41:36 h29
2024
26.10 8h USA3rd Hootenanny Endurance Run 8h 61.155 km3 🥉
07.09 100km USA16th Run Woodstock - 100 km Hallucination Run 14:01:39 h4
11.08 55km USA1st Pines To Vines 6:48:56 h20
15.06 50km USA4th Summer Trailfest Ultra 50 km Race 5:42:34 h22
04.05 6h USA4th Island Time 6 Hour Race 51.499 km4
2023
08.09 100km USA15th Run Woodstock - 100 km Hallucination Run 14:31:58 h8
17.06 50km USA3rd Summer Trailfest Ultra 50 km Race 5:09:04 h14
2022
09.09 100km USA14th Run Woodstock - 100 km Hallucination Run 16:04:17 h6
2019
06.09 100km USA11th Run Woodstock - 100 km Hallucination Run 17:06:11 h19
2018
07.09 100mi USA10th Run Woodstock - 100 Mile Hallucination Run 26:45:21 h47
02.06 50mi USA2nd Lighthouse 50-Mile Ultra 10:04:27 h14
2017
12.08 50mi USA22nd Resurrection Pass 50 Mile Ultra Trail Race 11:58:27 h34
2016
08.10 50mi USA35th Le Grizz 50 Mile Ultramarathon 10:49:33 h38
27.08 50mi USA12th Lean Horse Ultra-Marathon 50 Mile 9:51:45 h12
10.04 40mi USA14th Peterson Ridge Rumble 40 Mile Trail Run 6:41:16 h54
2015
25.10 50km USA4th G.O.A.T.z 50km Trail Run 5:31:25 h31
2014
09.11 6h USA6th Rhode Island 6 Hour Ultra 60.855 km9
10.05 50km USA4th Rock-On Lake Perry 50K Trail Run 5:59:12 h11
01.02 50mi USA22nd Rocky 50 Mile Trail Run 10:15:33 h101
2013
18.08 51km USA5th E.T. Full Moon Midnight Ultra Marathon 5:07:08 h6
01.06 50mi USA11th Rainier to Ruston Rail-Trail 50 Mile Ultra 10:06:15 h29
23.03 50km USA4th Mesquite Canyon 50 km 7:58:14 h57
2012
07.09 50mi USA22th Superior Fall Trail Races 50 Mile 14:56:48 h60
2011
03.12 50km USA10th Woodside Trail Run 50K 6:08:38 h38
04.06 50mi USA15th Snow Peaks 50 Mile Trail Run 15:10:25 h131
2010
20.11 50mi USA48th JFK 50 Mile 9:52:13 h376
2009
20.06 40mi USA7th Highlands Sky 40M Trail Run 9:42:11 h77
2007
28.07 31mi USA5th Jay Mountain Marathon 7:58:05 h95
2006
29.07 31mi USA4th Jay Mountain Marathon 8:39:24 h169