John Hart
ID 913797
Born : 1967 Cat. M55 Ultrarunner since 1997 USA
27
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
21,7%
Rank quotient ?This runner's calculation uses 27 eligible race(s): Σ(rank − 1) = 526; Σ finishers = 2 421. 526 / 2 421 × 100 = 21.73%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed27
Km — ultra races2 411 km
> 100 km8
> 160 km7
Longest race160,9 km
6th Wyoming Range 100 Mile Endurance Run — 7/8/2026

Km per year (ultra races)

261
3 races
2022
50
1 race
2023
423
5 races
2024
50
1 race
2025
161
1 race
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 34
🏅 Top 3 M4
Longest winning streak1
Current streak0

Records

50 km4h41'50100 km13h32'5750 mi7h52'14100 mi19h21'3412 h74,03 km

HISTORY

27 race(s)
DateRacePerf.Rk
2026
07.08 100mi USA6th Wyoming Range 100 Mile Endurance Run 37:44:34 h23
2025
11.10 50km USA2nd Angel's Rest 6:19:56 h6
2024
20.10 50km USA2nd City to Sky 50K 6:41:40 h44
17.08 100mi USA42nd Leadville Trail 100 Mile 26:09:24 h117
21.06 12h USA7th Moonlight on Mount Ascension Trail Run 74.029 km6
08.06 50mi USA11th Scout Mountain 50 Miles Ultra Trail 13:08:24 h18
10.02 12h USA4th Running Up For Air - Mt. Sentinel 57.936 km12
2023
07.10 50km USA14th Whitefish Trail Legacy 50km Run 5:35:06 h23
2022
17.09 100mi USA5th Teanaway Country 100 Race 29:36:00 h12
23.07 50km USA15th Speedgoat 50k 8:06:09 h83
30.05 50km USA8th Stumptown Trail Run 50K 4:57:43 h21
2021
11.09 100mi USA10th Idaho Mountain Trail Ultra Festival (IMTUF 100) 27:41:24 h22
23.05 50km USA2nd The Hootenanny 50km Trail Race 5:15:40 h22
17.04 50km USA7th Spitfire Ultra Trail Challenge 6:16:16 h6
2020
16.10 100mi USA15th Pony Express Trail 100 Mile 19:21:34 h1 🏆
04.10 50km USA1st The Hootenanny 50km Trail Race 5:35:16 h5
11.07 100km USA7th Beaverhead 100K Endurance Run 13:51:53 h16
22.02 12h USA1st Running Up For Air - Mt. Sentinel 68.718 km3 🥉
2019
17.08 100km USA18th Waldo 100K Trail Run 13:32:57 h33
15.06 50km USA17th Old Gabe 50K 7:39:05 h14
28.04 50km USA14th Spokane River Run 50K 4:41:50 h15
2018
25.08 100mi USA20th Cascade Crest Classic 100 Mile 23:35:46 h19
16.06 108km USA5th River of No Return Endurance Run 108K 15:31:07 h5
2017
14.10 50mi USA36th Le Grizz 50 Mile Ultramarathon 7:52:14 h6
16.06 100mi USA25th Bighorn Mountain Wild & Scenic 100 Mile Trail Run 25:39:05 h16
2013
21.09 60km USA1st Standhope Ultra Challenge 7:13:57 h3 🥉
1997
12.04 34mi USARun to Lake Michigan 4:22:57 h2 🥈