Sean Nowak
ID 309191
Born : 1976 Cat. M50 Ultrarunner since 2012 USA
16
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
4
Countries visited ?CANCanadaFRAFranceRSASouth AfricaUSAUnited States
34,5%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 11 365; Σ finishers = 32 954. 11 365 / 32 954 × 100 = 34.49%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed16
Km — ultra races1 775 km
> 100 km7
> 160 km7
Longest race171,0 km
16ème Ultra Trail Tour du Mont Blanc (UTMB) — 31/8/2018

Km per year (ultra races)

2022
100
1 race
2023
150
2 races
2024
2025
100
2 races
2026

Race types (share of distance)

Road11,2%
Trail88,8%

Records

50 km8h32'01100 km17h16'1950 mi8h10'29100 mi23h12'35

HISTORY

16 race(s) · 2 split(s) nested
DateRacePerf.Rk
2026
22.08 50km CAN3rd Ultra Trail Whistler by UTMB - 50K 9:33:53 h137
01.08 50km USA2nd Aspen Backcountry 8:32:01 h94
2024
21.09 100km USA16th Grindstone 100 km 17:16:19 h147
20.07 50km USA17th Speedgoat 50k 10:09:01 h277
2023
14.10 100km USA13th Kodiak Ultra Marathons by UTMB - 100K 17:32:16 h108
2018
31.08 171km FRA16ème Ultra Trail Tour du Mont Blanc 39:25:23 h669
23.06 100mi USA45th Western States 100 Mile Endurance Run 23:12:35 h80
2017
24.06 100mi USA44th Western States 100 Mile Endurance Run 26:17:33 h102
2016
07.10 100mi USA8th Grindstone 100 Mile 30:06:44 h83
2015
28.08 170km FRA13ème Ultra Trail Tour du Mont Blanc 44:38:56 h1294
2014
22.11 50mi USA52nd JFK 50 Mile 8:10:29 h90
23.08 100mi USA16th Cascade Crest Classic 100 Mile 29:29:45 h75
18.04 56km road race RSA45th Two Oceans Marathon 5:41:35 h2858
2013
17.08 100mi USA31st Leadville Trail 100 Mile 28:06:22 h263
02.06 87km road race RSA88th Comrades Marathon - Up Run 10:19:21 h3838
2012
07.04 56km road race RSA43rd Two Oceans Marathon 4:57:13 h1266