Radek Brunner

Born : 1974 Cat. M50 Ultrarunner since 1999

DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.

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

Countries visited ?

Belgium

Czechia

Spain

France

United Kingdom

Greece

Hungary

Italy

Netherlands

Poland

Qatar

Romania

Slovakia

Taiwan

United States

10,4%

Rank quotient ?This runner's calculation uses 97 eligible race(s): Σ(rank − 1) = 1 627; Σ finishers = 15 659. 1 627 / 15 659 × 100 = 10.39%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed102

Km — ultra races12 869 km

> 100 km43

> 160 km28

> 200 km24

> 24h20

Longest race271,2 km

12ème 24 heures d'Albi, IAU 24h WC — 18/10/2025

Km per year (ultra races)

495

2022

1 172

2023

330

2024

1 126

2025

321

2026

Race types (share of distance)

Road77,2%

Trail16,9%

Stage4,2%

Elim.1,7%

Wins & podiums (ultra)

🏆 Win33

🏆 Win M33

🏅 Top 356

🏅 Top 3 M56

Longest winning streak4

Current streak0

Records

50 km3h05'02 100 km7h04'28 50 mi13h54'13 6 h80,67 km 12 h115,20 km 24 h271,18 km Backyard33 loops

HISTORY

106 race(s) · 14 split(s) nested

Date		Race	Perf.	Rk
2026
19.06	100km	60. Krakonosova Stovka 100 km	12:03:43 h	2 🥈
08.05	Backyard Ultra	5. Czechia Backyard Ultra Run	221.298 km (33h)	1 🏆
2025
18.10	24h	12ème 24 heures d'Albi, IAU 24h WC	271.182 km	10
27.09	246km	42. Spartathlon	21:24:35 h	1 🏆
23.08	50km	12. Běhej Lesy Jizerská 50 km	3:05:02 h	1 🏆
26.07	24h	24. Sri Chinmoy Self-Transcendence 24-Std.-Lauf Kladno	242.052 km	1 🏆
25.04	211km	XIX Ultrabalaton	19:09:46 h	3 🥉
08.03	106km	Letecká stovka	14:33:01 h	32
2024
24.08	50km	11. Běhej Lesy Jizerská 50 km	3:18:42 h	1 🏆
14.06	100km	Krakonosova Stovka 100 km	11:09:30 h	1 🏆
11.05	24h	6. ABM Jędraszek UltraPark Weekend 24h	180.298 km	25
11.05	100km	6. ABM Jędraszek UltraPark Weekend 24h - 100km split	8:21:53 h	4
11.05	12h	6. ABM Jędraszek UltraPark Weekend 24h - 12h split	133.709 km	7
11.05	100mi	6. ABM Jędraszek UltraPark Weekend 24h - 100 miles split	15:34:26 h	9
2023
01.12	24h	IAU 24h WC Taipei (all races combined)	184.000 km	175
01.12	12h	IAU 24h WC Taipei - 12h Split	138.000 km	34
01.12	100mi	IAU 24h WC Taipei - 100mi Split	14:43:55 h	42
01.12	24h	IAU 24h WC Taipei	184.000 km	158
30.09	246km	40. Spartathlon	24:46:44 h	12
26.08	50km	10. Běhej Lesy Jizerská 50 km	3:14:01 h	2 🥈
29.07	24h	22. Sri Chinmoy Self-Transcendence 24-Std.-Lauf Kladno	244.506 km	3 🥉
16.06	100km	Krakonosova Stovka 100 km	11:20:52 h	1 🏆
06.05	24h	5. ABM Jędraszek UltraPark Weekend 24h	163.923 km	28
06.05	100km	5. ABM Jędraszek UltraPark Weekend 24h - 100km split	8:48:35 h	3 🥉
06.05	12h	5. ABM Jędraszek UltraPark Weekend 24h - 12h split	125.962 km	12
06.05	100mi	5. ABM Jędraszek UltraPark Weekend 24h - 100 miles split	17:19:13 h	12
2022
03.12	24h	21st Soochow/Taipei 24h Ultramarathon	120.800 km	29
03.12	100km	21st Soochow/Taipei 24h Ultramarathon - 100km Split	9:34:05 h	16
03.12	12h	21st Soochow/Taipei 24h Ultramarathon - 12h Split	114.400 km	25
30.09	246km	39. Spartathlon	24:30:30 h	5
23.07	24h	Self-Transcendence Race 24h Kladno	128.000 km	41
2021
24.09	246km	38. Spartathlon	23:17:49 h	2 🥈
07.08	109km/2stages	11. luzickych sedmistovek / Lausitzer Berge	9:28:54 h	1 🏆
24.07	24h	Self-Transcendence Race 24h Kladno	255.731 km	1 🏆
05.06	100km	Běh na 100 km Pilsen	7:44:05 h	2 🥈
27.02	52km	27. Prazska Stovka - Prager Ultratrail 52km	4:48:04 h	4
2020
05.12	100km	Běhu na 100 km Pilsen	7:32:27 h	2 🥈
08.08	109km/2stages	10. luzickych sedmistovek / Lausitzer Berge	9:44:36 h	1 🏆
25.07	100mi	Self-Transcendence Race 24h Kladno - 100mi Split	13:55:27 h	1 🏆
25.07	100km	Self-Transcendence Race 24h Kladno - 100km Split	8:32:20 h	1 🏆
25.07	24h	Self-Transcendence Race 24h Kladno - Mistrovství ČR	237.679 km	1 🏆
25.07	24h	Self-Transcendence Race 24h Kladno	237.679 km	1 🏆
2019
26.10	6h	7ème IAU 24h WC, 24 heures d'Albi - 6h Split	67.198 km	41
26.10	12h	7ème IAU 24h WC, 24 heures d'Albi - 12h Split	131.311 km	30
26.10	24h	7ème IAU 24h WC, 24 heures d'Albi	212.128 km	97
26.10	100km	7ème IAU 24h WC, 24 heures d'Albi - 100 km Split	8:53:33 h	35
26.10	100mi	7ème IAU 24h WC, 24 heures d'Albi - 100 mi Split	14:42:28 h	26
27.09	246km	37. Spartathlon	24:25:49 h	3 🥉
03.08	109km/2stages	10 luzickych sedmistovek / Lausitzer Berge	8:56:33 h	1 🏆
14.06	100km	Krakonosova Stovka 100 km	11:48:39 h	2 🥈
25.05	6h	Self-Transcendence 6 h race Prag	80.673 km	1 🏆
06.04	100km	Běhu na 100 km Pilsen	9:13:10 h	16
02.03	50km	Plzenska 50 km okolo Bolevaku	3:19:02 h	3 🥉
2018
28.09	246km	36. Spartathlon	23:36:43 h	2 🥈
18.08	109km/2stages	10 luzickych sedmistovek / Lausitzer Berge	9:39:25 h	1 🏆
15.06	100km	Krakonosova Stovka 100 km	9:46:47 h	1 🏆
26.05	24h	22nd IAU 24h EC Timisoara	251.199 km	6
26.05	100km	22nd IAU 24h EC Timisoara - 100 km Split	8:33:53 h	4
26.05	100mi	22nd IAU 24h EC Timisoara - 100 mi Split	14:39:16 h	9
24.03	100km	Běhu na 100 km Pilsen	7:35:28 h	3 🥉
2017
29.09	246km	35. Spartathlon	22:49:37 h	2 🥈
19.08	109km/2stages	10 luzickych sedmistovek / Lausitzer Berge	9:10:49 h	1 🏆
01.07	24h	IAU 24h WC Belfast	253.219 km	12
07.05	6h	4th Wings for Life World Run	59.160 km	67
11.03	50km	2nd Swamp 50 km Trail Race	4:21:42 h	1 🏆
2016
27.11	100km	100km Los Alcazares, combined IAU & WMA & open race	7:33:18 h	49
27.11	100km	100km Los Alcazares, WMA 100 km WC	7:33:18 h	17
27.11	100km	100km Los Alcazares, IAU 100 km WC	7:33:18 h	47
30.09	246km	34. Spartathlon	24:07:29 h	3 🥉
16.07	68km	3. Jizersky Ultratrail	7:36:44 h	3 🥉
17.06	100km	Krakonosova Stovka 100 km	9:36:44 h	2 🥈
04.06	103km	8. Silva Nortica Run 103 km	8:40:34 h	1 🏆
21.05	100km	100 km Self Transcendence Run Nitra	7:04:28 h	1 🏆
26.03	100km	Běhu na 100 km Pilsen	7:11:47 h	1 🏆
2015
04.12	130.9km	22. Prazska Stovka - Prager Ultratrail	14:45:50 h	1 🏆
25.09	246km	33. Spartathlon	30:14:29 h	30
12.09	50km	40. RUN Winschoten 100 km - 50km Split	3:22:25 h	24
12.09	100km	IAU 100km EC (RUN Winschoten 100 km)	7:41:07 h	52
12.09	100km	IAU 100km WC (RUN Winschoten 100 km)	7:41:07 h	69
12.09	100km	40. RUN Winschoten 100 km - open race	7:41:07 h	73
01.08	24h	Self-Transcendence Race 24h Kladno	222.000 km	2 🥈
19.06	100km	Krakonosova Stovka 100 km	10:39:13 h	1 🏆
06.06	103km	7. Silva Nortica Run 103 km	8:32:24 h	1 🏆
23.05	72km	Šárecký Ultra Trail 72 km	5:53:59 h	1 🏆
11.04	24h	IAU 24h EC (7^ 24 ore di Torino)	241.144 km	17
11.04	24h	IAU 24h WC (7^ 24 ore di Torino)	241.144 km	26
13.03	50km	Plzenska 50 km okolo Bolevaku	3:08:46 h	1 🏆
2014
21.11	100km	IAU 100km World Championship - open race	7:18:07 h	25
21.11	100km	WMA 100km Championship	7:18:07 h	6
21.11	100km	27th IAU 100km World Championship	7:18:07 h	25
25.10	100km	Běhu na 100 km Pilsen	7:08:50 h	1 🏆
26.07	24h	Self-Transcendence Race 24h Kladno	231.009 km	1 🏆
27.06	80km	2ème 80km du Mont-Blanc	13:54:13 h	50
07.06	103km	6. Silva Nortica Run 103 km	8:14:26 h	1 🏆
24.05	72km	Šárecký Ultra Trail 72 km	5:58:01 h	1 🏆
12.04	50km	50 km Marathon Mnisek pod Brdy	3:06:59 h	1 🏆
16.03	50km	Plzenska 50 km okolo Bolevaku	3:13:14 h	1 🏆
2013
14.09	50km	38. RUN Winschoten 100 km - 50km Split	3:18:34 h	1 🏆
14.09	100km	38. RUN Winschoten 100 km	7:12:27 h	2 🥈
06.07	75km	4th IAU Trail WC Llanrwst/Conwy	6:39:31 h	25
01.06	103km	5. Silva Nortica Run 103 km	8:52:11 h	2 🥈
27.04	100km	37ème 100 km du Périgord Noir, Belves - Open race	7:28:09 h	26
27.04	100km	22nd IAU 100km EC Belves	7:28:09 h	23
13.04	50km	50 km Marathon Mnisek pod Brdy	3:33:08 h	3 🥉
09.03	100km	Běhu na 100 km Pilsen	7:41:54 h	2 🥈
2012
27.10	100km	Běhu na 100 km Pilsen	7:37:57 h	2 🥈
02.06	103km	4. Silva Nortica Run 103 km	10:44:55 h	15
2003
20.06	100km	24. Nacht van Vlaanderen, 100km Torhout	8:21:32 h	20
2002
14.09	50km	27. IAU 100km EC Winschoten - 50km Split	3:26:20 h	18
14.09	100km	27. IAU 100km EC Winschoten	7:36:41 h	28
21.06	100km	IAU 100km WC Torhout (23. Nacht van Vlaanderen)	7:44:26 h	46
2001
26.08	100km	IAU 100km WC Cleder - Open race	7:40:38 h	65
26.08	100km	IAU 100km WC Cleder	7:40:38 h	54
16.06	100km	3. Self-Transcendence 100km Lauf Prag	8:20:15 h	1 🏆
16.06	50km	3. Self-Transcendence 100km Lauf Prag - 50km Split	3:39:58 h	1 🏆
2000
09.09	100km	25. IAU 100km WC Winschoten	9:08:59 h	124
09.09	50km	25. IAU 100km WC Winschoten - 50km Split	3:46:52 h	53
17.06	12h	5. Self-Transcendence 12 h race Prag	115.200 km	2 🥈
17.06	100km	2. Self-Transcendence 100km Lauf Prag	8:44:18 h	4
1999
05.06	100km	1. Self-Transcendence 100km Lauf Prag	9:28:21 h	4

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Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	18/10/2025	12ème 24 heures d'Albi, IAU 24h WC	271,18	×2
✓ 2	24/7/2021	Self-Transcendence Race 24h Kladno	255,73	×2
✓ 3	1/7/2017	IAU 24h WC Belfast	253,22	×2
✓ 4	26/5/2018	22nd IAU 24h EC Timisoara	251,20	×2
✓ 5	27/9/2025	42. Spartathlon	246,00	×2
✓ 6	30/9/2023	40. Spartathlon	246,00	×2
✓ 7	30/9/2022	39. Spartathlon	246,00	×2
✓ 8	24/9/2021	38. Spartathlon	246,00	×2
✓ 9	27/9/2019	37. Spartathlon	246,00	×2
✓ 10	28/9/2018	36. Spartathlon	246,00	×2
✓ 11	29/9/2017	35. Spartathlon	246,00	×2
✓ 12	30/9/2016	34. Spartathlon	246,00	×2
✓ 13	25/9/2015	33. Spartathlon	246,00	×2
✓ 14	29/7/2023	22. Sri Chinmoy Self-Transcendence 24-Std.-Lauf Kladno	244,51	×2
✓ 15	26/7/2025	24. Sri Chinmoy Self-Transcendence 24-Std.-Lauf Kladno	242,05	×2
✓ 16	11/4/2015	IAU 24h EC (7^ 24 ore di Torino)	241,14	×2
✓ 17	25/7/2020	Self-Transcendence Race 24h Kladno - Mistrovství ČR	237,68	×2
✓ 18	26/7/2014	Self-Transcendence Race 24h Kladno	231,01	×2
✓ 19	1/8/2015	Self-Transcendence Race 24h Kladno	222,00	×2
✓ 20	8/5/2026	5. Czechia Backyard Ultra Run	221,30	×2
✓ 21	26/10/2019	7ème IAU 24h WC, 24 heures d'Albi	212,13	×2
✓ 22	25/4/2025	XIX Ultrabalaton	211,00	×2
✓ 23	1/12/2023	IAU 24h WC Taipei (all races combined)	184,00	×2
✓ 24	11/5/2024	6. ABM Jędraszek UltraPark Weekend 24h	180,30	×1
✓ 25	6/5/2023	5. ABM Jędraszek UltraPark Weekend 24h	163,92	×1
✓ 26	4/12/2015	22. Prazska Stovka - Prager Ultratrail	130,90	×1
✓ 27	23/7/2022	Self-Transcendence Race 24h Kladno	128,00	×1
✓ 28	3/12/2022	21st Soochow/Taipei 24h Ultramarathon	120,80	×1
✓ 29	17/6/2000	5. Self-Transcendence 12 h race Prag	115,20	×1
✓ 30	7/8/2021	11. luzickych sedmistovek / Lausitzer Berge	109,00	×1
✓ 31	8/8/2020	10. luzickych sedmistovek / Lausitzer Berge	109,00	×1
✓ 32	3/8/2019	10 luzickych sedmistovek / Lausitzer Berge	109,00	×1
✓ 33	18/8/2018	10 luzickych sedmistovek / Lausitzer Berge	109,00	×1
✓ 34	19/8/2017	10 luzickych sedmistovek / Lausitzer Berge	109,00	×1
✓ 35	8/3/2025	Letecká stovka	106,00	×1
✓ 36	4/6/2016	8. Silva Nortica Run 103 km	103,00	×1
✓ 37	6/6/2015	7. Silva Nortica Run 103 km	103,00	×1
✓ 38	7/6/2014	6. Silva Nortica Run 103 km	103,00	×1
✓ 39	1/6/2013	5. Silva Nortica Run 103 km	103,00	×1
✓ 40	2/6/2012	4. Silva Nortica Run 103 km	103,00	×1
✓ 41	19/6/2026	60. Krakonosova Stovka 100 km	100,00	×1
✓ 42	14/6/2024	Krakonosova Stovka 100 km	100,00	×1
✓ 43	16/6/2023	Krakonosova Stovka 100 km	100,00	×1
✓ 44	5/6/2021	Běh na 100 km Pilsen	100,00	×1
✓ 45	5/12/2020	Běhu na 100 km Pilsen	100,00	×1
✓ 46	14/6/2019	Krakonosova Stovka 100 km	100,00	×1
✓ 47	6/4/2019	Běhu na 100 km Pilsen	100,00	×1
✓ 48	15/6/2018	Krakonosova Stovka 100 km	100,00	×1
✓ 49	24/3/2018	Běhu na 100 km Pilsen	100,00	×1
✓ 50	27/11/2016	100km Los Alcazares, combined IAU & WMA & open race	100,00	×1
✓ 51	17/6/2016	Krakonosova Stovka 100 km	100,00	×1
✓ 52	21/5/2016	100 km Self Transcendence Run Nitra	100,00	×1
✓ 53	26/3/2016	Běhu na 100 km Pilsen	100,00	×1
✓ 54	12/9/2015	IAU 100km EC (RUN Winschoten 100 km)	100,00	×1
✓ 55	19/6/2015	Krakonosova Stovka 100 km	100,00	×1
✓ 56	21/11/2014	IAU 100km World Championship - open race	100,00	×1
✓ 57	25/10/2014	Běhu na 100 km Pilsen	100,00	×1
✓ 58	14/9/2013	38. RUN Winschoten 100 km	100,00	×1
✓ 59	27/4/2013	37ème 100 km du Périgord Noir, Belves - Open race	100,00	×1
✓ 60	9/3/2013	Běhu na 100 km Pilsen	100,00	×1
✓ 61	27/10/2012	Běhu na 100 km Pilsen	100,00	×1
✓ 62	20/6/2003	24. Nacht van Vlaanderen, 100km Torhout	100,00	×1
✓ 63	14/9/2002	27. IAU 100km EC Winschoten	100,00	×1
✓ 64	21/6/2002	IAU 100km WC Torhout (23. Nacht van Vlaanderen)	100,00	×1
✓ 65	26/8/2001	IAU 100km WC Cleder - Open race	100,00	×1
✓ 66	16/6/2001	3. Self-Transcendence 100km Lauf Prag	100,00	×1
✓ 67	9/9/2000	25. IAU 100km WC Winschoten	100,00	×1
✓ 68	5/6/1999	1. Self-Transcendence 100km Lauf Prag	100,00	×1
✓ 69	25/5/2019	Self-Transcendence 6 h race Prag	80,67	—
✓ 70	27/6/2014	2ème 80km du Mont-Blanc	80,00	—
✓ 71	6/7/2013	4th IAU Trail WC Llanrwst/Conwy	75,00	—
✓ 72	23/5/2015	Šárecký Ultra Trail 72 km	72,00	—
73	24/5/2014	Šárecký Ultra Trail 72 km	72,00	—
74	16/7/2016	3. Jizersky Ultratrail	68,00	—
75	7/5/2017	4th Wings for Life World Run	59,16	—
76	27/2/2021	27. Prazska Stovka - Prager Ultratrail 52km	52,00	—
77	23/8/2025	12. Běhej Lesy Jizerská 50 km	50,00	—
78	24/8/2024	11. Běhej Lesy Jizerská 50 km	50,00	—
79	26/8/2023	10. Běhej Lesy Jizerská 50 km	50,00	—
80	2/3/2019	Plzenska 50 km okolo Bolevaku	50,00	—
81	11/3/2017	2nd Swamp 50 km Trail Race	50,00	—
82	13/3/2015	Plzenska 50 km okolo Bolevaku	50,00	—
83	12/4/2014	50 km Marathon Mnisek pod Brdy	50,00	—
84	16/3/2014	Plzenska 50 km okolo Bolevaku	50,00	—
85	13/4/2013	50 km Marathon Mnisek pod Brdy	50,00	—