Maciej Walczak
Born : 1978 Cat. M45 Ultrarunner since 2013 POL
58
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
73
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
13
Countries visited ?AUTAustriaESPSpainFRAFranceGERGermanyGREGreeceHUNHungaryITAItalyPOLPolandPORPortugalSLOSloveniaSUISwitzerlandSVKSlovakiaUKRUkraine
30,5%
Rank quotient ?This runner's calculation uses 72 eligible race(s): Σ(rank − 1) = 4 199; Σ finishers = 13 750. 4 199 / 13 750 × 100 = 30.54%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed72
Km — ultra races8 097 km
> 100 km36
> 160 km12
> 200 km6
Longest race378,5 km
Bieg Kreta - Hardcore — 12/4/2023

Km per year (ultra races)

779
6 races
2022
510
3 races
2023
188
2 races
2024
591
5 races
2025
206
2 races
2026

Race types (share of distance)

Road9,9%
Trail90,1%

Wins & podiums (ultra)

🏆 Win4
🏆 Win M4
🏅 Top 36
🏅 Top 3 M7
Longest winning streak1
Current streak0

HISTORY

72 race(s)
DateRacePerf.Rk
2026
28.06 104km POLIzery Ultra-Trail 14:33:00 h33
25.04 102km POL3 x Kopa - Petrovicka Setka 18:40:20 h26
2025
21.11 71km POLBorecka Lekuk Trail 6:35:19 h12
14.09 330km ITA16° TOR330 - Tor des Géants 4d 19:41:25 h189
23.08 78km SLOTriglav Trail Race 10:52:06 h16
17.05 62km POLUltraroztocze 60km 5:38:04 h11
18.01 50km POLUltramaraton Annogórski 5:10:11 h8
2024
26.07 110km AUTGrossglockner ULTRA-Trail (GGUT 110) 23:06:03 h93
04.05 78km POLGarmin Ultra Race Myslenice 78km 10:01:00 h14
2023
02.12 84km POLGarmin Ultra Race Gdansk - 84km 8:46:32 h8
21.10 47km POLDragon Cross Maraton 5:26:36 h15
12.04 378.5km POLBieg Kreta - Hardcore 3d 05:34:00 h4
2022
12.11 84.2km POLLament Swietokrzyski 11:44:33 h50
23.09 111.3km POLJura Ultra 100 12:22:34 h1 🏆
16.07 108km GER10. Zugspitz Ultratrail 20:32:33 h168
27.05 162.4km POLFestiwal Biegowy Ultra Way 160km 21:13:21 h3 🥉
29.04 210km HUNXVI. Ultrabalaton 210km 27:14:33 h51
02.04 103km POLVIII. Zielonogórski Ultramaraton Nowe Granice 103km 9:34:25 h3 🥉
2021
18.12 140.8km POLWinter Trail Malopolska 140 32:28:08 h30
22.10 150km POL8. Lemkowyna Ultra Trail 150 25:41:28 h70
24.09 246km GRE38. Spartathlon 35:11:18 h127
03.07 90km UKRBojkotrail 90km 12:44:38 h8
12.06 60km POLUltra Marathon Babia Góra - 3 x Babia Gora 9:28:07 h12
14.05 103km POL5. Lemkowyna Ultra Trail 100 13:03:11 h5
16.04 135km POLBieg Kreta - Śnieżnik-Ślęża 23:24:00 h1 🏆
2020
10.10 137km POLVII. UltraKotlina130 17:14:41 h5
11.09 82km POLUltra Biegi W Górach Stolowych - 82km 9:28:31 h10
15.08 60km POLTartra Fest Bieg 8:05:48 h59
13.03 101km POLSetka Komandosa, Lubliniec 9:31:17 h1 🏆
2019
12.10 150km POL6. Lemkowyna Ultra Trail 150 21:37:18 h29
14.09 130km POLUltramarathon Kaszubska Poniewierka HARD 15:36:26 h1 🏆
14.09 100km POL4 Ultramarathon Kaszubska Poniewierka 11:26:35 h8
17.08 92km POLMagurski Ultramarathon 92/58km 13:57:32 h21
18.07 240km POLVII. Dolnośląski Festiwal Biegów Górskich - Bieg 7 Szczytów 240 km 36:02:50 h10
29.06 55km SVK6. Malofatranská stovka 11:24:02 h27
25.05 105km POLJaga-Kora 105 14:26:49 h12
11.05 55km POLVI. GWINT Ultra Cross 55 km 6:11:34 h85
2018
17.11 63km POLBeskidzka 160 Na Raty Piekło Czantorii 12:55:10 h54
28.09 246km GRE36. Spartathlon 35:40:26 h222
01.09 51.5km POLUltra Janosik - 50 km Spiska Pętla 7:34:26 h40
11.08 82.7km POLChudy Wawrzyniec 80 km 11:46:09 h26
14.07 85km SUI6. Eiger Ultra Trail 85 km - Neustart 12:03:41 h30
15.06 172km POLUltra-Trail Malopolska - UTM170 31:38:41 h9
19.05 104km POLBeskidzki Toporna Setra TS 100 17:43:36 h34
11.05 100mi POLIV. GWINT Ultra Cross 100 Mil 19:18:37 h6
28.04 115km POR10. MIUT - Madeira Island Ultra Trail 115 km 25:31:38 h261
17.02 58km POL1. Zimowy Ultra Janosik 58km 6:54:35 h4
2017
16.12 48km POLWinter Trail Malopolska 7:52:25 h127
02.09 98km SVKUltra Janosik - 100 km Legenda 17:49:07 h21
19.08 71km POLIII. Bieg Ultra Grania Tatr 14:03:16 h88
27.05 102km POLUltra Chojnik (UCH) 102 km 16:01:16 h31
13.05 55km POLIV. GWINT Ultra Cross 55 km 4:49:39 h7
28.04 176km POLStumilak - 176 km Mountain Ultra Race 41:48:00 h7
24.02 125km ESPTransgrancanaria 125 km 20:42:41 h144
2016
22.10 100km POLXXXII Supermaraton 100km Kalisia 8:58:00 h12
26.08 170km FRA14ème Ultra Trail Tour du Mont Blanc 36:47:11 h299
21.07 130km POLIV. Dolnośląski Festiwal Biegów Górskich (Supertrail 130 km) 19:35:02 h23
10.07 80km POLTriCity Trail 80+ 8:33:00 h20
24.06 100km POLXXVIII Sudecka Setka - 100 km Boguszów Gorce 13:20:55 h33
21.05 140km POLII. Rzeźnik Ultra 140 23:40:07 h31
23.04 96.6km POLBiegi w Szczawnicy - Niepokorny Mnich 13:31:02 h59
2015
15.08 70km POLII. Bieg Ultra Grania Tatr 14:46:57 h105
17.07 110km POLIII. Dolnośląski Festiwal Biegów Górskich (K-B-L 110 km) 17:21:10 h50
26.06 119km ITA9^ Lavaredo Ultra Trail by UTMB - 120K 20:42:27 h242
08.05 100mi POLI. GWINT Ultra Cross 100 Mil 21:25:52 h9
07.03 52km POLII. Zimowy Ultramaraton Karkonoski 7:25:59 h60
2014
25.10 147km POL1. Lemkowyna Ultra Trail 150 33:42:14 h63
06.09 100km POL5. Bieg 7 dolin - 100 km Ultramaraton 14:49:56 h199
16.08 57km POL1. Ultramaraton Gorski 7:22:42 h14
05.07 50km POLV. Supermaraton Gor Stolowych 7:17:22 h159
2013
10.08 50km POLChudy Wawrzyniec 50 km 7:22:02 h91
06.07 46km POLIV. Supermaraton Gor Stolowych 8:02:17 h465