Petr Horsak
Born : 1982 Cat. M40 Ultrarunner since 2015 CZE
42
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
56
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
6
Countries visited ?AUTAustriaCZECzechiaITAItalyROURomaniaSUISwitzerlandSVKSlovakia
26,4%
Rank quotient ?This runner's calculation uses 43 eligible race(s): Σ(rank − 1) = 2 571; Σ finishers = 9 723. 2 571 / 9 723 × 100 = 26.44%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed44
Km — ultra races4 530 km
> 100 km28
> 160 km3
Longest race170,0 km

Km per year (ultra races)

288
3 races
2022
230
2 races
2023
272
3 races
2024
209
2 races
2025
122
1 race
2026

Race types (share of distance)

Trail96,2%
Stage3,8%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 32
🏅 Top 3 M2
Longest winning streak0
Current streak0

HISTORY

43 race(s)
DateRacePerf.Rk
2026
17.07 122km ITAMonterosa Walser Waeg by UTMB - SDV120 32:20:54 h332
2025
06.06 103km ITA9^ Dolomiti Extreme Trail 103km 25:00:28 h182
08.03 106km SVKLetecká stovka 15:46:51 h57
2024
10.09 130km ITA8° TOR130 - Tot Dret 39:51:23 h93
05.07 60km SUI15ème Trail Verbier Saint-Bernard by UTMB - X-Alpine 12:57:37 h255
25.05 82km ROUTransylvania One Hundred - 80km 17:39:51 h29
2023
28.07 110km AUTGrossglockner ULTRA-Trail (GGUT 110) 22:35:24 h78
23.06 120km ITA16^ Lavaredo Ultra Trail by UTMB - 120K 20:42:08 h392
2022
13.08 68km CZEHostýnská osma 9:31:38 h57
24.06 120km ITA15^ Lavaredo Ultra Trail by UTMB - 120K 20:54:02 h347
28.05 100km ROUTransylvania One Hundred 21:58:56 h35
2021
14.05 100km CZEStrážnicka 100 13:30:45 h6
2020
07.02 100km CZEMalohanácká stovka 12:52:21 h3 🥉
2019
07.12 135km CZE26. Prazska Stovka - Prager Ultratrail 135km 20:37:04 h39
23.11 63km CZE31. Loučení 63km 9:26:40 h16
22.11 170km/2stages CZE31. Loučení kombinace 170km 29:25:05 h13
22.11 107km CZE31. Loučení 107km 19:58:25 h15
28.09 112km CZEVIII. Pradědova stovka 100 19:40:00 h5
10.08 70km CZE8. Hostýnská osma 8:54:22 h49
18.05 102km ROUTransylvania One Hundred - 100km 13:47:28 h64
13.04 114km SVK12. Lazová stovka 13:59:32 h22
23.03 105km SVKLetecká stovka 12:43:00 h9
08.02 100km CZEMalohanácká stovka 12:50:00 h2 🥈
2018
11.08 70km CZE7. Hostýnská osma 8:46:42 h25
21.04 113km SVK11. Lazová stovka 14:24:29 h12
17.03 105km SVKLetecká stovka 13:31:00 h5
02.03 113km SVKVII. Kysucká stovka 17:59:58 h7
16.02 100km CZEMalohanácká stovka 12:20:00 h6
2017
09.12 170km CZE24. Prazska Stovka - Prager Ultratrail 170km 29:30:19 h23
13.10 115km CZEStovka Podkrkonosim 115 km 15:32:00 h8
12.08 65km CZE6. Hostýnská osma 8:19:10 h57
21.07 110km AUTGrossglockner Ultra-Trail 24:14:03 h95
05.05 103km CZEJesenicka Stovka 100 Ultramaraton 14:43:00 h14
18.03 105km SVKLetecká stovka 13:57:00 h13
2016
28.10 168km CZE4. Boubín-Libín-Kleť 29:11:00 h6
08.10 105km SVKJavornícka stovka (J100) 14:30:00 h9
17.09 105km SVK6th Ponitrianska stovka 15:39:00 h36
17.06 100km CZEKrakonosova Stovka 100 km 13:36:44 h51
06.05 103km CZEJesenicka Stovka 100 Ultramaraton 15:19:00 h14
29.01 110km CZE56. Brtnické Ledopády 20:04:43 h12
2015
18.07 68km CZE2. Jizersky Ultratrail 10:01:09 h73
19.06 100km CZEKrakonosova Stovka 100 km 13:47:12 h25
01.05 103km CZEJesenicka Stovka 100 Ultramaraton 16:05:00 h23