Juraj Karcak
Born : 1974 Cat. M50 Ultrarunner since 2013 SVK
47
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
63
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
8
Countries visited ?AUTAustriaCANCanadaFRAFranceGBRUnited KingdomIRLIrelandITAItalyROURomaniaSVKSlovakia
20,0%
Rank quotient ?This runner's calculation uses 47 eligible race(s): Σ(rank − 1) = 1 645; Σ finishers = 8 240. 1 645 / 8 240 × 100 = 19.96%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed47
Km — ultra races5 647 km
> 100 km31
> 160 km14
> 200 km2
> 24h11
Longest race218,2 km

Km per year (ultra races)

964
7 races
2022
878
9 races
2023
626
5 races
2024
2025
223
2 races
2026

Race types (share of distance)

Road16,5%
Trail62,0%
Elim.21,5%

Wins & podiums (ultra)

🏆 Win5
🏆 Win M7
🏅 Top 317
🏅 Top 3 M17
Longest winning streak1
Current streak0

HISTORY

47 race(s)
DateRacePerf.Rk
2026
26.06 120km ITA19^ Lavaredo Ultra Trail by UTMB - 120K 19:54:28 h255
23.05 103km ROUTransylvania One Hundred 18:58:57 h13
2024
10.08 Backyard Ultra GBR8. Last One Standing Florence Court 107.296 km (16h)44
01.08 173.2km AUT5. KAT100 - 100 Miles 34:48:17 h15
25.05 50km IRLSliabh Liag 50km 6:28:30 h7
11.05 Backyard Ultra IRL3. Barry & Johns Backyard Ultra 160.944 km (24h)2 🥈
10.02 Backyard Ultra GBR7. Last One Standing Florence Court 134.120 km (20h)7
2023
23.09 118km SVKBig Bear's Ultra BBU100+ 23:32:02 h19
15.07 98.5km SVK12. Nízkotatranská stíhacka 103 km 17:46:16 h36
17.06 105km AUT11. Mozart 100 15:59:01 h123
27.05 100km ROUTransylvania One Hundred 20:59:36 h27
13.05 Backyard Ultra IRL2. Barry & Johns Backyard Ultra 120.708 km (18h)6
29.04 130km IRL3 WTF 130km Ultra Trail Race 17:39:18 h3 🥉
25.03 50km IRLMaurice Mullins Ultra 50km 5:40:04 h31
11.03 105km SVKLetecká stovka 13:37:18 h14
28.01 51km SVKL'udova 50 6:50:33 h35
2022
15.10 Backyard Ultra SVK2nd Backyard Ultra World Team Championships - Slovakia 187.768 km (28h)7
23.08 145km ITA12ème Sur les Traces des Ducs de Savoie 37:11:34 h520
17.06 100km IRLDublin Mountain Trailrunning Festival 100km 14:21:47 h1 🏆
21.05 55km IRLSeven Sisters Skyline 9:44:48 h31
07.05 24h IRLWexford Festival of Running 24h 185.440 km2 🥈
30.04 130km IRLWTF 130km Ultra Trail Race 17:38:33 h6
23.04 Backyard Ultra IRL1. Barry & Johns Backyard Ultra 160.944 km (24h)3 🥉
2021
19.11 100km IRLDublin Mountain Trailrunning Festival 100km 15:26:52 h2 🥈
15.10 127km IRLWicklow Way Race 127 km solo 16:59:29 h12
28.08 Backyard Ultra GBR4. Last One Standing Florence Court 167.650 km (25h)11
24.07 60km IRLBallyhoura Trail Ultra Marathon 7:00:03 h13
2018
22.09 24h IRLListowel Endurance Festival 24h 218.232 km1 🏆
31.08 171km FRA16ème Ultra Trail Tour du Mont Blanc 31:44:06 h170
21.04 52km IRLRoyal Canal Run Longford Ultra 4:26:06 h2 🥈
2017
23.09 24h IRLListowel Endurance Festival 24h 202.539 km1 🏆
01.09 190km IRLThe Kerry Way Ultra 30:06:13 h8
19.08 Backyard Ultra GBR1. Last One Standing Florence Court 174.356 km (26h)2 🥈
2016
02.12 100mi IRL1st Wicklow Way 100 Miles 21:29:46 h2 🥈
01.07 100mi IRL1st Western Way 100 Mile 17:24:21 h1 🏆
10.06 144km SVKStefanik Trail 19:47:27 h8
30.04 63km IRLBallyhoura Mountain Marathon 5:58:48 h3 🥉
23.04 52km IRLRoyal Canal Run Longford Ultra 4:32:24 h6
26.03 51km IRLWicklow Way 51 km Ultra 5:23:23 h38
2015
26.08 119km ITA6ème Sur les Traces des Ducs de Savoie 21:36:11 h110
13.06 127km IRLWicklow Way Race 127 km solo 14:41:35 h3 🥉
06.06 85km GBR6th Mourne Way Ultra Marathon 8:37:02 h2 🥈
12.04 63.3km IRL12th Connemara Int. Ultramarathon 5:54:13 h41
2014
02.08 125km CAN15th Canadian Death Race 17:28:30 h14
09.05 100mi CAN1st Spruce Woods Ultra 100 Miles 19:43:42 h1 🏆
2013
25.03 130km IRLWicklow Way Race 130 km solo 16:51:32 h3 🥉
23.03 51km IRLWicklow Way 51 km Ultra 6:00:40 h31