Stefan Schreiber

Born : 1964 Cat. M60 Ultrarunner since 1998

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 ?

Canada

Germany

Netherlands

South Africa

Switzerland

51,2%

Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 4 608; Σ finishers = 8 996. 4 608 / 8 996 × 100 = 51.22%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed13

Km — ultra races956 km

> 100 km3

> 24h1

Longest race109,9 km

13. Internat. 12 Stunden Lauf Brühl — 28/6/1998

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road73,8%

Trail26,2%

Records

50 km4h24'35 100 km13h38'33 12 h109,92 km 24 h64,37 km

HISTORY

15 race(s) · 4 split(s) nested

Date		Race	Perf.	Rk
2013
06.09	100km	14th Lost Soul Ultra 100 km Race	13:38:33 h	8
2010
24.04	24h	3. 24h-Benefiz-Lauf am Seilersee	64.368 km	75
2001
04.11	50km	3. 50 km-Ultramarathon in Bottrop	4:56:34 h	113
18.08	12h	12 uur Ultramarathon Cranendonck	101.106 km	11
24.06	100km	15. Internat. 12 Stunden Lauf Brühl - 100km Split	11:24:12 h	17
24.06	12h	15. Internat. 12 Stunden Lauf Brühl	104.350 km	16
24.06	50km	15. Internat. 12 Stunden Lauf Brühl - 50km Split	5:21:27 h	28
14.04	56km	32rd Two Oceans Marathon	5:35:55 h	3248
2000
12.11	50km	2. 50 km-Ultramarathon in Bottrop	4:54:44 h	96
1999
28.03	60km	4. Edersee Supermarathon	6:38:53 h	98
28.03	50km	4. Edersee Supermarathon - 50km Split	5:29:30 h	100
1998
31.10	50km	50 km Lauf Spich	4:24:35 h	34
26.09	50km	3. Edersee Supermarathon - 50km Split	4:54:00 h	50
26.09	60km	3. Edersee Supermarathon	6:00:29 h	49
22.08	72km	3ème Le Défi de Val de Travers	8:36:46 h	70
25.07	78km	13. Swiss Alpine Marathon	10:25:16 h	788
28.06	12h	13. Internat. 12 Stunden Lauf Brühl	109.923 km	15
28.06	50km	13. Internat. 12 Stunden Lauf Brühl - 50km Split	4:51:04 h	20
28.06	100km	13. Internat. 12 Stunden Lauf Brühl - 100km Split	10:48:50 h	15

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	28/6/1998	13. Internat. 12 Stunden Lauf Brühl	109,92	×4
✓ 2	24/6/2001	15. Internat. 12 Stunden Lauf Brühl	104,35	×3
✓ 3	18/8/2001	12 uur Ultramarathon Cranendonck	101,11	×3
✓ 4	6/9/2013	14th Lost Soul Ultra 100 km Race	100,00	×3
✓ 5	25/7/1998	13. Swiss Alpine Marathon	78,00	×2
✓ 6	22/8/1998	3ème Le Défi de Val de Travers	72,00	×2
✓ 7	24/4/2010	3. 24h-Benefiz-Lauf am Seilersee	64,37	×2
✓ 8	28/3/1999	4. Edersee Supermarathon	60,00	×2
✓ 9	26/9/1998	3. Edersee Supermarathon	60,00	×2
✓ 10	14/4/2001	32rd Two Oceans Marathon	56,00	×2
✓ 11	4/11/2001	3. 50 km-Ultramarathon in Bottrop	50,00	×1
✓ 12	12/11/2000	2. 50 km-Ultramarathon in Bottrop	50,00	×1
✓ 13	31/10/1998	50 km Lauf Spich	50,00	×1