Jakub Galczynski
ID 757153
Born : 1987 Cat. M35 Ultrarunner since 2015 USA
22
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 ?ITAItalyMEXMexicoTHAThailandUSAUnited States
6,3%
Rank quotient ?This runner's calculation uses 22 eligible race(s): Σ(rank − 1) = 418; Σ finishers = 6 664. 418 / 6 664 × 100 = 6.27%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed22
Km — ultra races2 008 km
> 100 km5
> 160 km5
Longest race160,9 km
30th Hardrock Hundred Endurance Run — 14/7/2023

Km per year (ultra races)

255
3 races
2022
261
2 races
2023
53
1 race
2024
150
2 races
2025
55
1 race
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win4
🏆 Win M4
🏅 Top 38
🏅 Top 3 M8
Longest winning streak2
Current streak1

Records

50 km4h23'10100 km10h49'2050 mi11h17'40100 mi20h49'28

HISTORY

22 race(s)
DateRacePerf.Rk
2026
20.06 55km USA13th River of No Return Endurance Run 53K 5:19:23 h1 🏆
2025
26.07 100km USA11th Tushars 100km Mountain Runs 15:46:58 h5
10.05 50km USA1st Don't Fence Me In Trail Run 4:23:10 h6
2024
07.12 53km THA1st Chiangmai Thailand by UTMB - HMONG 50 5:39:01 h41
2023
01.09 100km ITA17ème Courmayeur-Champex-Chamonix 15:20:04 h144
14.07 100mi USA30th Hardrock Hundred Endurance Run 38:50:14 h42
2022
29.10 100km MEX1st Puerto Vallarta México by UTMB - 100K 11:39:17 h7
09.07 100km USA9th Beaverhead 100K Endurance Run 10:55:58 h1 🏆
16.04 55km USA8th Spitfire Ultra Trail Challenge 5:13:42 h1 🏆
2021
11.09 100mi USA10th Idaho Mountain Trail Ultra Festival (IMTUF 100) 21:33:43 h2 🥈
10.07 100km USA8th Beaverhead 100K Endurance Run 10:49:20 h3 🥉
17.04 50km USA7th Spitfire Ultra Trail Challenge 5:25:19 h1 🏆
2020
25.09 100mi USA22nd The Bear 100 Mile Endurance Run 20:49:28 h3 🥉
11.07 100km USA7th Beaverhead 100K Endurance Run 11:08:44 h3 🥉
2019
27.09 100mi USA21st The Bear 100 Mile Endurance Run 22:23:18 h12
2017
29.09 100mi USA19th The Bear 100 Mile Endurance Run 22:15:32 h7
2016
24.09 50mi USA3rd Endurance Challenge - Utah Trail 50 Miles 11:17:40 h21
03.09 50km USA4th The Rut Mountain Runs 4:52:58 h41
06.08 50km USA10th El Vaquero Loco 50K Mountain Race 5:56:24 h7
09.07 55km USA3rd Beaverhead 55K Endurance Run 6:25:49 h4
2015
17.10 55km USA2nd Indian Creek Fifties - 55 km 7:23:00 h19
05.09 50km USA3rd The Rut Mountain Runs 7:26:54 h69