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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Krok, Jacek   Submit Personal Website Send Link 
Club: Ultrasy! 
Residence: Lubartów
Year of birth: 1976 (Cat. german: M50)
Date of birth: 16.08.1976 (Cat. internat.: M45)
Nationality: POL POL Poland
RunnerID: 1151470
 

22 search results (22 Events, 1969.134 km).  (More)

2025 1 Event, 55 km  (More)
18.01.2025 Zimowy Festiwal Biegowy - Tropem Rysia (POL) 55km
8:33:20 h Krok, Jacek Ultrasy!  Overall: 79 M: 64 Cat M45: 14
2024 1 Event, 56.5 km  (More)
12.10.2024 Dalmacija Ultra Trail - Sea DUT 57km (CRO) 56.5km
11:31:45 h Krok, Jacek   Overall: 95 M: 67 Cat M45: 16
2023 1 Event, 71.5 km  (More)
02.09.2023 Ultra Chojnik (UCH) 71 Km (POL) 71.5km
13:36:44 h Krok, Jacek Ultrasy!  Overall: 75 M: 57 Cat M45: 11
2022 2 Events, 143.3 km  (More)
23.04.2022 Biegi w Szczawnicy - Niepokorny Mnich (POL) 94.8km
17:32:42 h Krok, Jacek Ultrasy!  Overall: 211 M: 187 Cat M45: 34
26.02.2022 Zimowy Ultramaraton Karkonoski (POL) 48.5km
8:14:50 h Krok, Jacek Ultrasy!  Overall: 236 M: 200 Cat M45: 35
2021 5 Events, 555.934 km  (More)
18.12.2021 Winter Trail Malopolska 105 (POL) 103.2km
21:06:46 h Krok, Jacek   Overall: 30 M: 29 Cat M45: 4
22.-24.10.2021 Lemkowyna Ultra Trail 150 (POL) 150km
29:46:40 h Krok, Jacek Ultrasy!  Overall: 124 M: 113 Cat M45: 21
03.07.2021 Bojkotrail 90km (UKR) 90km
16:44:02 h Krok, Jacek *Lubartów  Overall: 38 M: 34 Cat M40: 16
26.06.2021 Supermaraton Gor Stolowych (POL) 51.8km
7:49:28 h Krok, Jacek *Lubartów  Overall: 204 M: 167 Cat M40: 59
01.-02.05.2021 100 miles of Beskid Wyspowy (POL) 100mi
32:26:08 h Krok, Jacek *Lubartów  Overall: 25 M: 23 Cat M40: 6
2020 1 Event, 111.3 km  (More)
25.-26.09.2020 Jura Ultra 100 (POL) 111.3km
18:10:45 h Krok, Jacek Ultrasy!  Overall: 44 M: 39 Cat M40: 13
2019 6 Events, 581 km  (More)
05.-06.10.2019 Ultra Wydma (POL) 100km
12:39:00 h Krok, Jacek *Lubartów  Overall: 28 M: 22 Cat M40: 10
29.08.-01.09.2019 Ultra Janosik - 100 km Legenda (SVK) 110km
22:16:04 h Krok, Jacek *Lubartów  Overall: 53 M: 46 Cat M40: 16
06.07.2019 Bojkotrail 81km (UKR) 81km
15:19:12 h Krok, Jacek *Lubartów  Overall: 68 M: 59 Cat M40: 12
18.05.2019 Ultraroztocze 120km (POL) 120km
24:08:57 h Krok, Jacek *Lubartów  Overall: 95 M: 83 Cat M40: 26
27.-28.04.2019 MIUT - Madeira Island Ultra Trail 115 km (POR) 115km
30:28:31 h Krok, Jacek   Overall: 572 M: 513 Cat M40: 120
18.-19.01.2019 Zimowy Ultra Janosik 55km (POL) 55km
6:50:18 h Krok, Jacek *Lubartów  Overall: 207 M: 173 Cat M40: 39
2018 4 Events, 330.6 km  (More)
15.-16.12.2018 Winter Trail Malopolska 64 (POL) 63.6km
13:54:59 h Krok, Jacek   Overall: 51 M: 46 Cat M40: 12
13.10.2018 Ultra Maraton Bieszczadzki - 52km (POL) 52km
7:44:10 h Krok, Jacek *Lubartów  Overall: 279 M: 230 Cat M40: 56
08.-09.09.2018 Bieg 7 dolin - 100 km Ultramaraton (POL) 100km
16:14:30 h Krok, Jacek *Lubartów  Overall: 379 M: 345 Cat M40: 76
01.-02.06.2018 Rzeźnik Ultra 115 (POL) 115km
22:43:21 h Krok, Jacek *Lubartów  Overall: 96 M: 91 Cat M40: 25
2017 1 Event, 64 km  (More)
09.09.2017 Bieg 7 dolin - Bieg na dystansie 64 km (POL) 64km
10:03:07 h Krok, Jacek *Lubartów  Overall: 269 M: 234 Cat M40: 53

Personal bests

Your list of personal best performances only contains performances of races which can be included into rankings.

In brackets rank in yearly international/national rankings.

 PB 2025 2024 2023 2022 2021 2020 2019 2018 2017

Comparison table

Comparison of performances in races with multiple participations

   2025 2024 2023 2022 2021 2020 2019 2018 2017
Bojkotrail 81km 2         16:44:02   15:19:12    
Winter Trail Malopolska 64 2         21:06:46     13:54:59