Gaston Prüfer

Born : 1978 Cat. M45 Ultrarunner since 2013

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 ?

Austria

Czechia

Spain

France

United Kingdom

Germany

Hungary

Italy

Switzerland

32,7%

Rank quotient ?This runner's calculation uses 72 eligible race(s): Σ(rank − 1) = 8 765; Σ finishers = 26 821. 8 765 / 26 821 × 100 = 32.68%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed93

Km — ultra races7 829 km

> 100 km27

> 160 km16

> 200 km10

> 24h3

Longest race330,0 km

13° Tor des Géants - 330 km Endurance Trail della Valle d'Aosta — 11/9/2022

Km per year (ultra races)

1 172

2022

2023

389

2024

329

2025

128

2026

Race types (share of distance)

Road16,6%

Trail68,7%

Stage14,1%

?0,6%

Wins & podiums (ultra)

🏆 Win1

🏆 Win M1

🏅 Top 33

🏅 Top 3 M3

Longest winning streak1

Current streak0

Records

50 km3h45'29 100 km8h16'44 50 mi9h51'00 100 mi18h59'19 6 h63,06 km 12 h124,23 km 24 h200,02 km

HISTORY

74 race(s) · 5 stage(s) nested

Date		Race	Perf.	Rk
2026
09.05	73.9km	53. GutsMuths-Rennsteiglauf	7:32:22 h	170
25.04	54km	45. Harzquerung	5:32:04 h	49
2025
16.08	75km	KUT80 Karnisches Ungetüm	15:55:56 h	35
07.06	83km	28ème Swiss Canyon Trail 81K	13:22:21 h	125
26.04	53km	44. Harzquerung	5:48:35 h	79
13.04	57km	13. Bilstein BiMa 57 Ultra-Trail	5:57:21 h	18
22.03	61km	9. Schweriner Seentrail	6:12:20 h	58
2024
05.10	70km	6. Mountainman Reit im Winkl 70 km - offener Lauf	9:27:24 h	52
05.10	70km	6. Mountainman Reit im Winkl 70 km - DM Ultratrail	9:27:24 h	41
07.09	65km	8. Südthüringentrail - Heldentrail 65 km	7:44:15 h	11
25.05	73.9km	51. GutsMuths-Rennsteiglauf	8:31:53 h	497
27.04	53km	43. Harzquerung	5:26:17 h	53
21.04	57km	12. Bilstein BiMa 57 Ultra-Trail	7:03:58 h	36
2022
09.10	50.3km	44. Burgenlauf Bad Belzig	5:33:31 h	27
11.09	330km	13° Tor des Géants - 330 km Endurance Trail della Valle d'Aosta	4d 11:08:00 h	84
16.07	108km	10. Zugspitz Ultratrail	17:31:04 h	67
02.07	67km	Stubai Ultratrail - city2glacier	11:50:23 h	80
21.05	73.9km	49. GutsMuths-Rennsteiglauf	7:22:53 h	132
14.05	100km	Bottroper Ultralauf Festival 24h (BUF) - 100km-Split	10:47:12 h	23
14.05	100mi	Bottroper Ultralauf Festival 24h (BUF) - 100mi-Split	19:07:35 h	17
14.05	24h	Bottroper Ultralauf Festival 24h (BUF) - DM	200.022 km	18
14.05	24h	Bottroper Ultralauf Festival 24h (BUF) - offener Lauf	200.022 km	18
08.04	78km	10. Jurasteig Nonstop Ultratrail 78 km verkürzt	11:42:00 h	25
05.03	64.3km	Transgrancanaria Advanced 65 km	11:23:51 h	465
2021
30.10	48km	3. Oberlausitztrail	4:46:20 h	12
2020
15.02	55km	7. Ludwig-Leichhardt-Trail Ultralauf	5:07:00 h	12
2019
02.11	48km	1. Oberlausitztrail	5:18:24 h	31
30.08	171km	17ème Ultra Trail Tour du Mont Blanc	42:47:07 h	985
08.07	230km/5stages	11th Al Andalus Ultimate Trail	27:54:40 h	9
15.06	62.8km	9. Zugspitz Supertrail	10:36:13 h	368
18.05	73.9km	47. GutsMuths-Rennsteiglauf	8:43:18 h	748
04.05	100km	6. WHEW100	10:36:16 h	40
27.04	51km	40. Harzquerung Wernigerode-Nordhausen	5:39:11 h	150
30.03	100km	XXXIX. Int. 100km-Lauf Grünheide/Störitz	8:16:44 h	2 🥈
16.02	55km	6. Ludwig-Leichhardt-Trail Ultralauf	5:51:00 h	24
2018
28.10	63.3km	18. Röntgenlauf	7:25:32 h	170
05.10	115km	Stovka Podkrkonosim 115 km	16:36:00 h	21
02.09	255km/7stages	14. Goretex TransAlpine-Run	46:51:04 h	236
14.07	64km	5. Maintal-Ultratrail	6:37:18 h	63
14.07	64km	5. Maintal-Ultratrail - DUV-DM im Ultratrail	6:37:18 h	62
16.06	103km	7. mozart 100 - Scenic 100	17:36:51 h	151
05.05	100km	5. WHEW100	10:54:14 h	36
17.02	52.5km	5. Ludwig-Leichhardt-Trail Ultralauf	4:45:00 h	17
10.02	80km	15. Brocken-Challenge	9:51:00 h	57
2017
13.10	115km	Stovka Podkrkonosim 115 km	17:48:00 h	28
01.09	167.7km	15ème Ultra Trail Tour du Mont Blanc	41:29:28 h	926
01.07	100km	11. thüringenULTRA 100 km	11:00:02 h	34
17.06	101km	7. Zugspitz Ultratrail	18:40:36 h	118
26–27.05	128km/2stages	7. SH-Supertrail (Saar-Hunsrück)	15:26:00 h	8
26.05	68km	7. SH-Supertrail (Saar-Hunsrück) - 1. Etappe Wildenburg - Braunshausen	8:03:00 h	11
27.05	60km	7. SH-Supertrail (Saar-Hunsrück) - 2. Etappe Trier - Braunshausen	7:23:00 h	9
20.05	73.5km	45. GutsMuths-Rennsteiglauf	7:34:54 h	334
29.04	51km	38. Harzquerung Wernigerode-Nordhausen	4:47:49 h	58
07.04	239km	7. Jurasteig Nonstop Ultratrail 239 km	43:13:00 h	12
18.02	52.5km	4. Ludwig-Leichhardt-Trail Ultralauf	4:45:00 h	9
2016
10.09	24h	13. Die 24 Stunden von Bernau	151.268 km	10
16.07	101km	4. Eiger Ultra Trail 101 km	20:35:29 h	222
18.06	101.6km	6. Zugspitz Ultratrail	21:17:29 h	231
14.05	230km	6. TorTour de Ruhr - 230km Nonstop	31:52:34 h	16
21.04	219km	Hexenstieg Ultra	34:55:00 h	5
19.03	100km	XXXVI. Int. 100km-Lauf Grünheide/Störitz	8:54:53 h	5
2015
29.08	293km/8stages	11. Goretex TransAlpine-Run	44:04:33 h	243
20.06	90.2km	5. Zugspitz Ultratrail	17:12:43 h	357
23.05	234km	Baltic Nonstop 234 km	33:06:40 h	15
09.05	72.7km	43. GutsMuths-Rennsteiglauf	7:57:09 h	564
25.04	104km	Hexentanz Ultra	13:52:00 h	2 🥈
14.02	80km	12. Brocken-Challenge	10:07:00 h	78
2014
03.10	100mi	4° Magredi Mountain Trail 100 Mile	34:54:01 h	46
16.08	100mi	3. Mauerweglauf 100 Meilen Berlin	18:59:19 h	31
05.07	100km	8. thüringenULTRA 100 km	11:38:28 h	53
03.05	100mi	3rd Thames Path 100	22:50:58 h	61
20–23.03	195.4km/4stages	7. Balaton Szupermaraton	16:14:29 h	7
20.03	46.7km	7. Balaton Szupermaraton Etappe 1 Siófok - Fonyód	4:04:29 h	11
21.03	52.9km	7. Balaton Szupermaraton Etappe 2 Fonyód - Szigllget	4:31:37 h	7
23.03	52.2km	7. Balaton Szupermaraton Etappe 4 Balatonfüred - Siófok	4:04:52 h	6
19.01	50km	50 km Hallen-Ultra-Lauf	3:45:29 h	6
2013
07.09	6h	10. Die 6 Stunden von Bernau	63.057 km	5
06.07	100km	7. thüringenULTRA 100 km	10:06:43 h	18
15.06	12h	1. 12 Stunden von Frohnau	124.225 km	1 🏆

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	11/9/2022	13° Tor des Géants - 330 km Endurance Trail della Valle d'Aosta	330,00	×4
✓ 2	29/8/2015	11. Goretex TransAlpine-Run	293,00	×4
✓ 3	2/9/2018	14. Goretex TransAlpine-Run	255,00	×3
✓ 4	7/4/2017	7. Jurasteig Nonstop Ultratrail 239 km	239,00	×3
✓ 5	23/5/2015	Baltic Nonstop 234 km	234,00	×3
✓ 6	8/7/2019	11th Al Andalus Ultimate Trail	230,00	×3
✓ 7	14/5/2016	6. TorTour de Ruhr - 230km Nonstop	230,00	×3
✓ 8	21/4/2016	Hexenstieg Ultra	219,00	×3
✓ 9	14/5/2022	Bottroper Ultralauf Festival 24h (BUF) - DM	200,02	×2
✓ 10	20/3/2014	7. Balaton Szupermaraton	195,40	×2
✓ 11	30/8/2019	17ème Ultra Trail Tour du Mont Blanc (UTMB)	171,00	×2
✓ 12	1/9/2017	15ème Ultra Trail Tour du Mont Blanc (UTMB)	167,70	×2
✓ 13	3/10/2014	4° Magredi Mountain Trail 100 Mile	160,93	×2
✓ 14	16/8/2014	3. Mauerweglauf 100 Meilen Berlin	160,93	×2
✓ 15	3/5/2014	3rd Thames Path 100	160,93	×2
✓ 16	10/9/2016	13. Die 24 Stunden von Bernau	151,27	×2
✓ 17	26/5/2017	7. SH-Supertrail (Saar-Hunsrück)	128,00	×1
✓ 18	15/6/2013	1. 12 Stunden von Frohnau	124,23	×1
✓ 19	5/10/2018	Stovka Podkrkonosim 115 km	115,00	×1
✓ 20	13/10/2017	Stovka Podkrkonosim 115 km	115,00	×1
✓ 21	16/7/2022	10. Zugspitz Ultratrail	108,00	×1
✓ 22	25/4/2015	Hexentanz Ultra	104,00	×1
✓ 23	16/6/2018	7. mozart 100 - Scenic 100	103,00	×1
✓ 24	18/6/2016	6. Zugspitz Ultratrail	101,60	×1
✓ 25	17/6/2017	7. Zugspitz Ultratrail	101,00	×1
✓ 26	16/7/2016	4. Eiger Ultra Trail 101 km	101,00	×1
✓ 27	4/5/2019	6. WHEW100	100,00	×1
✓ 28	30/3/2019	XXXIX. Int. 100km-Lauf Grünheide/Störitz	100,00	×1
✓ 29	5/5/2018	5. WHEW100	100,00	×1
✓ 30	1/7/2017	11. thüringenULTRA 100 km	100,00	×1
✓ 31	19/3/2016	XXXVI. Int. 100km-Lauf Grünheide/Störitz	100,00	×1
✓ 32	5/7/2014	8. thüringenULTRA 100 km	100,00	×1
✓ 33	6/7/2013	7. thüringenULTRA 100 km	100,00	×1
✓ 34	20/6/2015	5. Zugspitz Ultratrail	90,20	×1
✓ 35	7/6/2025	28ème Swiss Canyon Trail 81K	83,00	×1
✓ 36	10/2/2018	15. Brocken-Challenge	80,00	×1
✓ 37	14/2/2015	12. Brocken-Challenge	80,00	×1
✓ 38	8/4/2022	10. Jurasteig Nonstop Ultratrail 78 km verkürzt	78,00	×1
✓ 39	16/8/2025	KUT80 Karnisches Ungetüm	75,00	×1
✓ 40	9/5/2026	53. GutsMuths-Rennsteiglauf	73,90	×1
✓ 41	25/5/2024	51. GutsMuths-Rennsteiglauf	73,90	×1
✓ 42	21/5/2022	49. GutsMuths-Rennsteiglauf	73,90	×1
✓ 43	18/5/2019	47. GutsMuths-Rennsteiglauf	73,90	×1
✓ 44	20/5/2017	45. GutsMuths-Rennsteiglauf	73,50	×1
✓ 45	9/5/2015	43. GutsMuths-Rennsteiglauf	72,70	×1
✓ 46	5/10/2024	6. Mountainman Reit im Winkl 70 km - offener Lauf	70,00	—
✓ 47	2/7/2022	Stubai Ultratrail - city2glacier	67,00	—
✓ 48	7/9/2024	8. Südthüringentrail - Heldentrail 65 km	65,00	—
✓ 49	5/3/2022	Transgrancanaria Advanced 65 km	64,30	—
✓ 50	14/7/2018	5. Maintal-Ultratrail	64,00	—
✓ 51	28/10/2018	18. Röntgenlauf	63,30	—
✓ 52	7/9/2013	10. Die 6 Stunden von Bernau	63,06	—
✓ 53	15/6/2019	9. Zugspitz Supertrail	62,80	—
✓ 54	22/3/2025	9. Schweriner Seentrail	61,00	—
✓ 55	13/4/2025	13. Bilstein BiMa 57 Ultra-Trail	57,00	—
✓ 56	21/4/2024	12. Bilstein BiMa 57 Ultra-Trail	57,00	—
57	15/2/2020	7. Ludwig-Leichhardt-Trail Ultralauf	55,00	—
58	16/2/2019	6. Ludwig-Leichhardt-Trail Ultralauf	55,00	—
59	25/4/2026	45. Harzquerung	54,00	—
60	26/4/2025	44. Harzquerung	53,00	—
61	27/4/2024	43. Harzquerung	53,00	—
62	17/2/2018	5. Ludwig-Leichhardt-Trail Ultralauf	52,50	—
63	18/2/2017	4. Ludwig-Leichhardt-Trail Ultralauf	52,50	—
64	27/4/2019	40. Harzquerung Wernigerode-Nordhausen	51,00	—
65	29/4/2017	38. Harzquerung Wernigerode-Nordhausen	51,00	—
66	9/10/2022	44. Burgenlauf Bad Belzig	50,30	—
67	19/1/2014	50 km Hallen-Ultra-Lauf	50,00	—
68	30/10/2021	3. Oberlausitztrail	48,00	—
69	2/11/2019	1. Oberlausitztrail	48,00	—