John Simpson
Born : 1961 Cat. M65 Ultrarunner since 2014 USA
29
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
29
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
52,6%
Rank quotient ?This runner's calculation uses 29 eligible race(s): Σ(rank − 1) = 1 473; Σ finishers = 2 800. 1 473 / 2 800 × 100 = 52.61%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed29
Km — ultra races1 455 km
Longest race55,0 km

Km per year (ultra races)

200
4 races
2022
150
3 races
2023
200
4 races
2024
250
5 races
2025
205
4 races
2026

Race types (share of distance)

Trail96,6%
Stage3,4%

Records

HISTORY

29 race(s)
DateRacePerf.Rk
2026
01.08 50km USA1st Ridge Reaper Trail Runs 8:47:04 h33
17.05 50km USA6th First State 50 km Trail Race 8:13:05 h32
29.03 50km USA2nd Sleeping Giant Trail Runs 9:45:42 h74
24.01 55km USA12th Franklin Mountains Trail Run 8:45:00 h29
2025
15.11 50km USA6th Wild Florida 50 km Race 6:49:33 h89
23.08 50km USA9th Shawnee Hills 100 - 50 km 8:21:54 h30
21.06 50km USA30th Catoctin 50k Trail Run 9:08:49 h73
14.03 50km USA21st Three Days of Syllamo 50 km Run 8:15:09 h61
01.02 50km USA13th Elephant Mountain 50 km 7:15:04 h33
2024
07.12 50km USA13th Last Chance 50K Trail Run 8:27:21 h17
24.08 50km USA6th Firebird 50km Trail Race 9:15:27 h13
29.06 50km USA4th Sharp Top 50 km Race 8:53:10 h40
02.03 50km USA43th Carl Touchstone Memorial Mississippi Trail 50 km 6:39:42 h12
2023
03.12 50km USA7th Cloudland Canyon 50 km Race 7:19:55 h91
05.08 50km USA13th Kanawha Trace Trail Runs 9:33:11 h52
13.05 50km USA42th Ice Age Trail 50 km Run 6:49:52 h131
2022
10.12 50km USA4th Freight Train 50km Trail Run 5:55:11 h36
10.09 50km USA14th Run Woodstock - Freak 50 km 7:47:44 h76
25.06 50km USA9th Catamount Ultra Marathon 7:16:24 h126
12.02 50km USA5th Eagle Ridge 50km 7:57:43 h22
2021
11.12 50km USA8th Bell Ringer 50k Trail Run 6:52:49 h37
10.07 50km USA27th Buckeye Trail 50k 6:51:25 h55
24.04 50km USA5th Big Turtle 50 km 6:34:05 h12
2020
19.12 50km USA24th Huff 50K Trail Run 6:05:44 h70
2019
06.04 50km USA5th Yamacraw 50k 6:47:51 h130
2018
01.12 50km USA5th Jackson County 50-50 Ultramarathon - 50 km 8:22:25 h25
2017
02.12 50km USA4th Jackson County 50-50 Ultramarathon - 50 km 7:29:33 h40
2016
03.12 50km USA3rd Jackson County 50-50 Ultramarathon - 50 km 7:44:14 h40
2014
06.12 50km USA1st Jackson County 50-50 Ultramarathon - 50 km 7:58:16 h23