Ryan Kaiser
ID 172873
Born : 1978 Cat. M45 Ultrarunner since 2011 USA
47
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
3,7%
Rank quotient ?This runner's calculation uses 47 eligible race(s): Σ(rank − 1) = 297; Σ finishers = 8 045. 297 / 8 045 × 100 = 3.69%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed47
Km — ultra races4 280 km
> 100 km12
> 160 km11
Longest race160,9 km
50th Western States 100 Mile Endurance Run — 24/6/2023

Km per year (ultra races)

402
3 races
2022
361
5 races
2023
2024
80
1 race
2025
2026

Race types (share of distance)

Road3,8%
Trail96,2%

Wins & podiums (ultra)

🏆 Win18
🏆 Win M18
🏅 Top 330
🏅 Top 3 M30
Longest winning streak4
Current streak0

Records

50 km3h42'21100 km8h30'0150 mi6h33'26100 mi15h23'33

HISTORY

47 race(s)
DateRacePerf.Rk
2025
21.06 50mi USA31st San Juan Solstice 50 Mile Run 10:52:04 h29
2023
24.09 50km USA3rd Sawatch Ascent 50km Race 5:52:55 h5
23.09 50km USA3rd West Line Winder 50 km Race 4:24:50 h3 🥉
24.06 100mi USA50th Western States 100 Mile Endurance Run 21:07:38 h45
20.05 50km USA38th Silver State 50 km 4:20:11 h1 🏆
04.02 50km USA11th Mill Stone 50K 7:28:30 h58
2022
24.09 100mi USA10th Mountain Lakes 100 16:35:52 h1 🏆
20.08 100mi USA40th Leadville Trail 100 Mile 18:21:21 h3 🥉
12.06 50mi USA5th Wy’east Wonder 50 Mile Trail Race 7:22:57 h2 🥈
2021
30.10 159.2km USA19th Javelina Jundred 100 Mile Endurance Run 18:42:52 h18
31.07 53mi USA5th Elkhorn Crest 50 8:53:08 h1 🏆
19.06 50mi USA4th Old Cascadia 50 Mile Race 8:50:10 h2 🥈
15.05 50km USA8th Smith Rock Ascent 50K 4:07:50 h2 🥈
11.04 36mi USA19th Peterson Ridge Rumble 40 Mile Trail Run 4:07:42 h4
2020
04.01 100mi USA35th Across The Years, 100mi 15:23:33 h1 🏆
2019
14.09 100mi USA8th Idaho Mountain Trail Ultra Festival (IMTUF 100) 22:08:22 h1 🏆
27.07 52mi USA3rd Elkhorn Crest 50 9:12:46 h1 🏆
14.07 50km USA11th Silverton Alpine 50K 3:56:21 h1 🏆
08.06 55km USA1st Wild Outback 55k Trail Race 4:39:12 h2 🥈
18.05 50km USA6th Smith Rock Ascent 50K 3:47:48 h1 🏆
27.04 100km USA6th The Canyons Endurance 100 km Run 10:03:44 h4
06.01 100km USA19th Bandera 100 km Endurance Run 9:10:07 h6
2018
06.10 50km USA1st Wy'east Howl 50km Race 5:04:11 h1 🏆
18.08 100mi USA36th Leadville Trail 100 Mile 17:37:23 h2 🥈
16.06 50mi USA1st Wy’east Wonder 50 Mile Trail Race 6:39:29 h1 🏆
12.05 50km USA23rd McDonald Forest 50K Trail Run 4:08:24 h1 🏆
2017
11.11 50mi USA1st Run the Rock 50 Mile 6:48:05 h2 🥈
07.10 50km USA4th Oregon Coast 50k 3:54:10 h3 🥉
05.08 50km USA6th Volcanic 50 6:31:21 h6
24.06 100mi USA44th Western States 100 Mile Endurance Run 21:38:20 h28
29.04 50mi USA2nd Tillamook Burn Trail Run 50 Mile 6:46:04 h1 🏆
09.04 50km USA7th Gorge Waterfalls 50k 4:05:30 h1 🏆
04.02 100km USA4th Sean O'Brien 100 km Trail Race 8:30:01 h2 🥈
2016
29.10 100mi USA14th Javelina Jundred 100 Mile Endurance Run 16:40:54 h3 🥉
15.07 100mi USA23rd Hardrock Hundred Endurance Run 27:39:00 h5
04.06 50mi USA20th Snow Peaks 50 Mile Trail Run 11:13:05 h39
2015
05.12 50mi USA9th Endurance Challenge - California Trail 50 Mile 6:33:26 h6
22.08 100km USA14th Waldo 100K Trail Run 9:18:37 h1 🏆
27.06 100mi USA42nd Western States 100 Mile Endurance Run 17:59:27 h11
09.05 50km USA2nd Smith Rock Ascent 50K 3:42:21 h1 🏆
12.04 40mi USA13th Peterson Ridge Rumble 40 Mile Trail Run 4:18:36 h1 🏆
2014
01.11 50km USA1st Silver Falls Trail Run 3:54:09 h1 🏆
13.09 100mi USA5th Pine to Palm 100 Mile Endurance Run 20:41:59 h6
12.07 50mi USA16th Mt. Hood 50 Mile Trail Run 6:35:12 h1 🏆
2013
27.07 50mi USA21st White River 50 Mile Trail Run 8:19:19 h11
01.06 50km USA6th Auburn Trail Run 50K 5:12:05 h3 🥉
2011
08.01 50km USA11th Bandera 50 km Ultratrail 4:58:20 h16