Ryan Clifford
Born : 1996 Cat. M23 Ultrarunner since 2019 USA
24
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
45
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
1,7%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 62; Σ finishers = 3 633. 62 / 3 633 × 100 = 1.71%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed25
Km — ultra races2 593 km
> 100 km8
> 160 km6
> 200 km1
> 24h1
Longest race402,3 km
6th Cocodona 250 — 4/5/2026

Km per year (ultra races)

653
7 races
2022
150
2 races
2023
479
5 races
2024
119
2 races
2025
533
3 races
2026

Race types (share of distance)

Road19,8%
Trail80,2%

Wins & podiums (ultra)

🏆 Win16
🏆 Win M16
🏅 Top 318
🏅 Top 3 M18
Longest winning streak6
Current streak0

HISTORY

25 race(s) · 1 split(s) nested
DateRacePerf.Rk
2026
04.05 250mi USA6th Cocodona 250 2d 22:35:10 h14
18.04 50km USA9th Shore2Shore Trail Race 3:25:28 h1 🏆
31.01 50mi USA9th Arches Ultra 50 Mile Race 6:39:38 h1 🏆
2025
15.11 12h USA1st The Witching Hours 119.735 h1 🏆
29.03 74mi USA13th Georgia Death Race 14:09:02 h5
2024
23.11 50mi USA62nd JFK 50 Mile 5:56:38 h8
12.10 100mi USA12th Tesla Hertz Run 100 Miles 16:47:57 h1 🏆
29.09 6h USA25th Fred von der Heydt Memorial 6 Hour 60th Birthday Run 87.306 km1 🏆
31.05 50km USA1st The NYC Trail Fest 4:15:49 h2 🥈
13.04 100km USA7th Shore2Shore Trail Race 7:40:22 h1 🏆
2023
15.04 50km USA6th Shore2Shore Trail Race 3:32:22 h1 🏆
18.02 99.9km USA10th Black Canyon Trail 100 km Run 8:25:53 h11
2022
01.10 50mi USA1st Hudson River 50 5:47:38 h1 🏆
13.08 100mi USA8th Eastern States 100 Mile 20:13:27 h1 🏆
24.06 100mi USA12th Black Hills 100 Mile Run 17:57:57 h1 🏆
04.06 50mi USA10th Cayuga Trails 50 Mile Race 7:18:33 h1 🏆
07.05 50km USA20th Long Island Greenbelt Trail 50 km 3:44:43 h1 🏆
03.04 70km USA7th Paumanok Pursuit 70K Trail Run 5:04:31 h1 🏆
27.02 50km USA20th Caumsett Park 50K Lloyd Neck - Championships 3:06:53 h3 🥉
2021
04.12 100mi USA6th Devil Dog Ultra 100 Mile Race 16:03:57 h1 🏆
17.10 6h USA22th Fred von der Heydt Memorial 6 Hour 60th Birthday Run 84.780 km1 🏆
13.06 50km USA19th Caumsett Park 50K Lloyd Neck - Championships 3:16:28 h9
2020
12.12 24h USA11th Desert Solstice Track Invitational 161.996 km15
2019
27.10 12h USA8th End-Trails 12 Hour Run 121.666 km1 🏆
01.06 50mi USA7th Cayuga Trails 50 Mile Race 7:51:41 h4