Nathan Castillo
ID 1090962
Born : 1990 Cat. M35 Ultrarunner since 2018 USA
37
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
51
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
22,1%
Rank quotient ?This runner's calculation uses 37 eligible race(s): Σ(rank − 1) = 314; Σ finishers = 1 423. 314 / 1 423 × 100 = 22.07%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed37
Km — ultra races3 280 km
> 100 km10
> 160 km10
> 200 km1
Longest race241,4 km
21st Potawatomi 150 Mile Trail Run — 8/4/2021

Km per year (ultra races)

319
4 races
2022
436
4 races
2023
322
4 races
2024
550
6 races
2025
336
4 races
2026

Race types (share of distance)

Road21,9%
Trail76,4%
Elim.1,7%

Wins & podiums (ultra)

🏆 Win4
🏆 Win M5
🏅 Top 316
🏅 Top 3 M18
Longest winning streak1
Current streak1

Records

50 km4h56'1050 mi9h09'26100 mi24h49'406 h58,87 km

HISTORY

37 race(s)
DateRacePerf.Rk
2026
17.07 6h USA4th Pinetum Mind Games Endurance Event 6h 58.868 km1 🏆
20.06 9h USA11th Schuetzen NEIN! Hour Endurance Run 62.925 km13
11.04 100mi USA26th Potawatomi 100 Mile Trail Run 28:26:36 h8
31.01 8h USA4th Chillbilly 8 Hour Endurance Runs 53.108 km11
2025
11.10 100mi USA13th Indiana Trail 100 Mile 26:19:02 h47
18.07 6h USA3rd Pinetum Mind Games Endurance Event 6h 52.253 km2 🥈
14.06 9h USA10th Schuetzen NEIN! Hour Endurance Run 62.925 km12
12.04 100mi USA25th Potawatomi 100 Mile Trail Run 29:29:16 h11
22.03 8:06h USA1st Skunk Ape 806/314 Trail Race 54.315 km1 🏆
25.01 8h USA3rd Chillbilly 8 Hour Endurance Runs 58.741 km3 🥉
2024
02.11 50km USA7th Miner 49er 5:16:33 h4
19.07 6h USA2nd Pinetum Mind Games Endurance Event 6h 50.930 km3 🥉
15.06 9h USA9th Schuetzen NEIN! Hour Endurance Run 60.189 km13
06.04 100mi USA24th Potawatomi 100 Mile Trail Run 24:55:00 h2 🥈
2023
14.10 100mi USA11th Indiana Trail 100 Mile 24:49:40 h46
14.07 6h USA1st Pinetum Mind Games Endurance Event 6h 52.271 km3 🥉
17.06 9h USA8th Schuetzen NEIN! Hour Endurance Run 61.557 km13
15.04 100mi USA23nd Potawatomi 100 Mile Trail Run 28:02:22 h3 🥉
2022
05.11 50km USA5th Miner 49er 5:34:55 h3 🥉
18.06 9h USA7th Schuetzen NEIN! Hour Endurance Run 60.189 km11
09.04 100mi USA22nd Potawatomi 100 Mile Trail Run 26:03:50 h6
26.02 6h USA2nd Bald Unyielding Twilight Trail Trial - 6 Hours 48.280 km4
2021
09.10 100mi USA16th Farmdale Trail Run 100 Mile 26:42:31 h1 🏆
19.06 9h USA6th Schuetzen NEIN! Hour Endurance Run 62.925 km3 🥉
08.04 150mi USA21st Potawatomi 150 Mile Trail Run 2d 02:08:00 h3 🥉
2020
07.11 50km USA3rd Miner 49er 4:56:10 h3 🥉
20.06 9h USA5th Schuetzen NEIN! Hour Endurance Run 68.397 km5
29.02 6h USA1st Bald Unyielding Twilight Trail Trial - 6 Hours 51.332 km1 🏆
2019
05.10 50mi USA5th The Hennepin Hundred - 50 Mile Run 9:09:26 h28
03.08 50mi USA3rd Wedel Farm 50 Mile 10:34:06 h16
15.06 9h USA4th Schuetzen NEIN! Hour Endurance Run 65.661 km2 🥈
04.04 100mi USA19th Potawatomi 100 Mile Trail Run 29:39:03 h6
23.03 34mi USA2nd Skunk Ape 806 Ultra Trail Race 5:33:17 h2 🥈
2018
15.09 50mi USA11th Endurance Challenge - Wisconsin Trail 50 Miles 9:35:47 h23
25.08 15h USA5th Painful Elimination 54.717 km17
21.04 50km USA7th Earth Day 50k 5:21:20 h17
24.03 34mi USA1st Skunk Ape 806 Ultra Trail Race 6:04:29 h4