Jonathan Nicholson
ID 449477
Born : 1972 Cat. M50 Ultrarunner since 2013 USA
23
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
39
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
56,5%
Rank quotient ?This runner's calculation uses 23 eligible race(s): Σ(rank − 1) = 1 776; Σ finishers = 3 143. 1 776 / 3 143 × 100 = 56.51%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed23
Km — ultra races1 839 km
> 100 km3
> 160 km2
> 200 km1
> 24h3
Longest race325,1 km
6th Tahoe 200 Mile Endurance Run — 13/9/2019

Km per year (ultra races)

50
1 race
2022
50
1 race
2023
80
1 race
2024
100
1 race
2025
2026

Race types (share of distance)

Road4,4%
Trail95,6%

Records

50 km5h36'18100 km12h10'5150 mi14h39'23100 mi33h38'2012 h64,37 km24 h108,92 km

HISTORY

23 race(s)
DateRacePerf.Rk
2025
15.03 100km USA4th Rabid Raccoon 100 km 18:19:00 h47
2024
27.04 50mi USA1st Skunk Ape 50 Mile Endurance Run 14:39:23 h50
2023
24.09 50km USA14th Ironmasters Challenge 50k Ultra 7:14:46 h14
2022
04.09 12h USA12th Labor Pain 12 Hour Endurance Trail Run 49.889 km122
2019
13.09 202mi USA6th Tahoe 200 Mile Endurance Run 3d 15:48:39 h78
29.06 12h USA3rd Loopy Bunny 12 Hour Races 50.694 km28
01.06 50km USA5th Worlds End Ultramarathon 50K 8:50:12 h70
20.04 50km USA8th Hyner View Trail Challenge 50 km 8:15:21 h208
2018
21.04 50km USA7th Hyner View Trail Challenge 50 km 7:33:54 h179
2017
16.09 50km USA2nd Boulder Field 100 - 50 km Ultra Run 6:23:10 h52
12.08 100mi USA4th Eastern States 100 Mile 33:38:20 h82
20.05 24h USA9th 3 Days at the Fair 24 Hour Race 80.467 km42
22.04 50km USA6th Hyner View Trail Challenge 50 km 7:25:39 h161
2016
09.10 50km USA4th Green Monster Trail Challenge 50K 7:56:11 h42
17.09 50km USA1st Boulder Field 100 - 50 km Ultra Run 5:36:18 h24
04.09 12h USA7th Labor Pain 12 Hour Endurance Trail Run 64.373 km93
23.04 50km USA5th Hyner View Trail Challenge 50 km 6:59:17 h125
2015
12.09 100km USA4th Pine Creek Challenge 100 km 12:10:51 h8
06.09 12h USA6th Labor Pain 12 Hour Endurance Trail Run 49.889 km130
18.07 24h USA7th Lone Ranger 24 hr Urban Ultra 68.075 km106
2014
19.07 24h USA6th Lone Ranger 24 hr Urban Ultra 108.920 km57
27.04 50km USA5th Ironmasters Challenge 50k Ultra 7:35:23 h72
2013
07.09 100km USA2nd Pine Creek Challenge 100 km 12:58:27 h9