Alex Kasparek
ID 794203
Born : 1997 Cat. M23 Ultrarunner since 2015 USA
27
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
1
Countries visited ?USAUnited States
23,0%
Rank quotient ?This runner's calculation uses 27 eligible race(s): Σ(rank − 1) = 1 028; Σ finishers = 4 470. 1 028 / 4 470 × 100 = 23.00%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed27
Km — ultra races2 198 km
> 100 km3
> 160 km3
Longest race160,9 km
35th Superior Fall Trail Races 100 Mile — 5/9/2025

Km per year (ultra races)

80
1 race
2022
161
2 races
2023
391
4 races
2024
322
3 races
2025
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0

Records

50 km4h47'01100 km12h00'3650 mi8h35'08100 mi27h48'00

HISTORY

27 race(s)
DateRacePerf.Rk
2025
05.09 100mi USA35th Superior Fall Trail Races 100 Mile 27:48:00 h28
16.08 50mi USA17th Marquette Trail 50 Mile 10:39:30 h15
26.07 50mi USA44th Minnesota Voyageur Trail 50 Mile Ultra 9:45:32 h15
2024
19.10 100km USA16th Wild Duluth 100 km Races 12:00:36 h8
06.09 100mi USA34th Superior Fall Trail Races 100 Mile 30:43:56 h50
27.07 50mi USA43th Minnesota Voyageur Trail 50 Mile Ultra 11:13:03 h43
27.04 50km USA17th Chippewa Moraine 50km Ultra Marathon 4:59:13 h7
2023
08.09 50mi USA33th Superior Fall Trail Races 50 Mile 10:01:05 h8
29.07 50mi USA42th Minnesota Voyageur Trail 50 Mile Ultra 8:35:08 h14
2022
30.07 50mi USA41th Minnesota Voyageur Trail 50 Mile Ultra 10:59:21 h56
2021
16.10 50km USA13th Wild Duluth 50 km Races 5:25:18 h10
2019
19.10 100km USA11th Wild Duluth 100 km Races 15:05:38 h23
27.07 50mi USA38th Minnesota Voyageur Trail 50 Mile Ultra 10:29:24 h59
2018
07.09 100mi USA28th Superior Fall Trail Races 100 Mile 31:31:32 h66
28.07 50mi USA37th Minnesota Voyageur Trail 50 Mile Ultra 9:44:20 h75
23.06 50km USA8th Black Hills 50 km Run 5:43:51 h5
19.05 50km USA16th Superior Spring 50 km Trail Race 4:47:01 h10
28.04 50km USA11th Chippewa Moraine 50km Ultra Marathon 5:43:42 h48
2017
21.10 100km USA9th Wild Duluth 100 km Races 13:11:56 h2 🥈
09.09 50mi USA27th Superior Fall Trail Races 50 Mile 10:48:33 h10
18.08 50km USA9th Marquette Trail 50 km 6:25:54 h17
29.07 50mi USA36th Minnesota Voyageur Trail 50 Mile Ultra 9:59:25 h75
08.04 50mi USA9th Zumbro Midnight 50 Mile Trail Race 12:34:09 h71
2016
30.07 50mi USA35th Minnesota Voyageur Trail 50 Mile Ultra 12:46:14 h214
02.07 50km USA23rd Afton Trail Run 50K 5:37:21 h55
23.04 50km USA9th Chippewa Moraine 50km Ultra Marathon 5:48:34 h37
2015
17.10 50km USA7th Wild Duluth 50 km Races 6:53:08 h34