Ryan Witko
ID 413149
Born : 1983 Cat. M40 Ultrarunner since 2013 USA
34
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
15,4%
Rank quotient ?This runner's calculation uses 34 eligible race(s): Σ(rank − 1) = 764; Σ finishers = 4 977. 764 / 4 977 × 100 = 15.35%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed34
Km — ultra races3 447 km
> 100 km11
> 160 km10
Longest race160,9 km
13th Indiana Trail 100 Mile — 11/10/2025

Km per year (ultra races)

221
2 races
2022
161
1 race
2023
221
2 races
2024
161
1 race
2025
100
1 race
2026

Race types (share of distance)

Road13,2%
Trail86,8%

Wins & podiums (ultra)

🏆 Win8
🏆 Win M8
🏅 Top 313
🏅 Top 3 M13
Longest winning streak2
Current streak0

Records

50 km3h59'48100 km10h25'5950 mi7h42'12100 mi15h12'596 h81,85 km12 h122,45 km

HISTORY

34 race(s)
DateRacePerf.Rk
2026
22.08 100km USA12th Twisted Branch Trail Run 18:56:36 h131
2025
11.10 100mi USA13th Indiana Trail 100 Mile 15:57:34 h1 🏆
2024
27.07 100mi USA18th Burning River 100 Mile Endurance Run 18:39:56 h5
07.07 60km USA4th Red Wing 60km Trail Challenge 6:26:22 h1 🏆
2023
07.10 100mi USA7th Canal Corridor 100 Mile Endurance Run 15:12:59 h1 🏆
2022
10.07 60km USA2nd Red Wing 60km Trail Challenge 6:27:39 h6
25.06 100mi USA49th Western States 100 Mile Endurance Run 26:27:12 h143
2021
21.08 100km USA7th Twisted Branch Trail Run 17:43:16 h72
2019
05.10 100mi USA29th Arkansas Traveller 100 17:13:52 h1 🏆
27.07 6h USA14th Staten Island 6 hour Ultra race 75.365 km1 🏆
2018
21.07 100mi USA30th Vermont 100 Mile Endurance Race 16:32:53 h2 🥈
28.04 100km USA5th The Canyons Endurance 100 km Run 13:38:51 h60
2017
07.10 100mi USA27th Arkansas Traveller 100 27:14:30 h42
03.06 100mi USA22nd Kettle Moraine 100 Mile Endurance Run 20:54:36 h8
29.04 50km USA39th Sybil Ludington 50 km Run 3:59:48 h3 🥉
25.03 6h USA1st BUS Night Crawl 6-Hour Run 79.734 km1 🏆
2016
30.04 50mi USA9th Endurance Challenge - New York Trail 50 Miles 8:48:22 h26
13.02 100km USA3rd Black Canyon Trail 100 km Run 11:23:55 h20
2015
31.10 100km USA13th Javelina Jundred 100 km Endurance Run 10:25:59 h7
18.07 100mi USA14th Tahoe Rim Trail 100M Endurance Run 27:32:10 h40
02.05 50mi USA8th Endurance Challenge - New York Trail 50 Miles 9:54:05 h46
11.04 50mi USA7th Lake Sonoma 50 Mile Race 8:28:27 h50
28.03 50km USA23rd Crown King Scramble 50K 5:04:12 h13
2014
20.09 6h USA12th Staten Island 6 hour Ultra race 45.061 km37
19.07 100mi USA26th Vermont 100 Mile Endurance Race 18:19:50 h13
07.06 12h USAJoe Kleinerman 12-Hour Run Crocheron Park 122.453 km3 🥉
03.05 50mi USA7th Endurance Challenge - New York Trail 50 Miles 8:52:26 h21
12.04 50mi USA6th Lake Sonoma 50 Mile Race 8:02:36 h27
22.03 50km USA5th Mesquite Canyon 50 km 4:37:19 h2 🥈
22.02 50km USA4th Febapple Frozen 50 km 5:19:19 h5
2013
21.09 6h USA11th Staten Island 6 hour Ultra race 81.846 km1 🏆
10.08 50mi USA2nd Wildcat Ridge Romp 50 Mile 9:58:17 h1 🏆
22.06 50mi USA2nd Marin Ultra Challenge 50 Mile Race 7:42:12 h5
04.05 50km USA6th Endurance Challenge - New York Trail 50 km 5:00:20 h3 🥉