Ryan Larson
Born : 1978 Cat. M45 Ultrarunner since 2013 USA
35
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
53
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
34,7%
Rank quotient ?This runner's calculation uses 35 eligible race(s): Σ(rank − 1) = 2 065; Σ finishers = 5 943. 2 065 / 5 943 × 100 = 34.75%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed35
Km — ultra races3 842 km
> 100 km15
> 160 km14
> 24h1
Longest race160,9 km

Km per year (ultra races)

402
3 races
2022
392
4 races
2023
432
4 races
2024
372
3 races
2025
161
1 race
2026

Race types (share of distance)

Road1,3%
Trail98,7%

HISTORY

35 race(s)
DateRacePerf.Rk
2026
22.08 100mi USA44th Leadville Trail 100 Mile 28:12:21 h209
2025
12.09 100mi USA19th Run Rabbit Run 100 Mile UltraMarathon - Tortoises Run 27:57:25 h64
11.07 100mi USA32nd Hardrock Hundred Endurance Run 42:31:24 h70
17.05 50km USA1st AGAPE 7:26:16 h10
2024
09.11 60km USA4th Kessel Run 60 km Ultra Race 7:42:34 h8
02.11 50km USA3rd Bridge Burner Ultra 9:59:21 h49
16.08 100mi USA1st San Juan Softie 100 31:52:00 h11
14.06 100mi USA32nd Bighorn Mountain Wild & Scenic 100 Mile Trail Run 28:39:53 h56
2023
22.09 100mi USA15th Grindstone 100 Mile 27:28:43 h37
29.07 100km USA9th Never Summer 100k 17:49:25 h43
08.07 81.3km USA16th Leadville Silver Rush 50 Mile Run 8:57:35 h46
20.05 50km USA9th Quest for the Crest 50k 10:11:44 h28
2022
16.09 100mi USA16th Run Rabbit Run 100 Mile UltraMarathon - Tortoises Run 25:19:51 h13
22.07 100mi USA24th Cascade Crest Classic 100 Mile 27:53:04 h38
25.06 50mi USA28th San Juan Solstice 50 Mile Run 11:54:34 h57
2021
30.10 159.2km USA19th Javelina Jundred 100 Mile Endurance Run 23:52:07 h106
30.07 100mi USA5th High Lonesome 100 Mile 34:00:34 h61
05.06 50mi USA12th North Fork 50 Mile Trail Race 12:03:20 h26
2019
13.09 100mi USA13th Run Rabbit Run 100 Mile UltraMarathon - Tortoises Run 26:56:44 h15
14.06 100mi USA27th Bighorn Mountain Wild & Scenic 100 Mile Trail Run 31:36:21 h101
04.05 51.4mi USA20th Collegiate Peaks 50 Miles 9:48:39 h11
2018
14.09 100mi USA12th Run Rabbit Run 100 Mile UltraMarathon - Tortoises Run 28:46:03 h30
25.08 30mi USA3rd Continental Divide Trail Run 5:31:08 h8
23.06 50mi USA24th San Juan Solstice 50 Mile Run 13:20:50 h116
2017
07.09 100mi USA11th Run Rabbit Run 100 Mile UltraMarathon - Tortoises Run 35:46:27 h138
22.07 100km USA3rd Never Summer 100k 16:14:39 h44
13.05 50mi USA6th Quad Rock 50 Mile 13:40:48 h93
2016
11.06 28mi USA2nd South Park Trail Marathon 5:08:35 h6
14.05 50mi USA5th Quad Rock 50 Mile 11:00:14 h48
09.04 24h USA3rd 24 Hours of Palmer Lake Fun Run 48.827 km54
2015
27.09 100km USA6th The Bear Chase 100 km 12:36:29 h9
12.07 50mi USA8th Leadville Silver Rush 50 Mile Run 9:51:32 h78
2014
16.08 100mi USA32nd Leadville Trail 100 Mile 29:10:35 h249
26.04 50km USA4th Cheyenne Mountain Trail Race 5:56:13 h29
2013
14.07 50mi USA6th Leadville Silver Rush 50 Mile Run 10:13:51 h139