Ralph Bosten
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Born : 1963
Cat. M60 Ultrarunner since 1989
12
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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
4
Countries visited ?Belgium
Spain
Germany
Netherlands
BelgiumSpainGermanyNetherlands6,0%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 118; Σ finishers = 1 954. 118 / 1 954 × 100 = 6.04%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races973 km
Longest race100,0 km
18. IAU 100km EC Winschoten — 18/9/1993
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road67,8%
Trail32,2%
Wins & podiums (ultra)
🏆 Win2
🏆 Win M2
🏅 Top 36
🏅 Top 3 M6
Longest winning streak1
Current streak0
Records
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 1996 | ||||
| 24.11 | 63.3km | 1ère Olne-Spa-Olne |
5:14:51 h | 3 🥉 |
| 1995 | ||||
| 28.05 | 50km | De 50 km van Kluisbergen |
3:12:36 h | 2 🥈 |
| 1994 | ||||
| 08.05 | 50km | De 50 km van Kluisbergen |
3:21:10 h | 3 🥉 |
| 1993 | ||||
| 18.09 | 100km | 18. IAU 100km EC Winschoten |
7:17:35 h | 16 |
| 07.08 | 100km | IAU 100km WC Torhout |
7:26:06 h | 41 |
| 20.05 | 50km | De 50 km van Kluisbergen |
3:18:39 h | 4 |
| 1992 | ||||
| 31.05 | 50km | De 50 km van Kluisbergen |
3:26:48 h | 3 🥉 |
| 16.02 | 100km | IAU 100km WC Palamos (V. 100km de la Costa Brava) - open race |
6:55:23 h | 16 |
| 16.02 | 100km | IAU 100km WC Palamos (V. 100km de la Costa Brava) |
6:55:23 h | 15 |
| 1991 | ||||
| 14.09 | 60km | 2. 60 km Lauf Vettweiss |
4:09:09 h | 1 🏆 |
| 21.06 | 100km | 12. Nacht van Vlaanderen, 100km Torhout |
7:08:14 h | 8 |
| 01.05 | 50km | De 50 km van Koekelare |
3:01:35 h | 1 🏆 |
| 1989 | ||||
| 23.06 | 100km | 10. Nacht van Vlaanderen, 100km Torhout |
7:40:42 h | 18 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 18/9/1993 | 18. IAU 100km EC Winschoten | 100,00 | ×4 |
| ✓ 2 | 7/8/1993 | IAU 100km WC Torhout | 100,00 | ×4 |
| ✓ 3 | 16/2/1992 | IAU 100km WC Palamos (V. 100km de la Costa Brava) - open race | 100,00 | ×4 |
| ✓ 4 | 21/6/1991 | 12. Nacht van Vlaanderen, 100km Torhout | 100,00 | ×4 |
| ✓ 5 | 23/6/1989 | 10. Nacht van Vlaanderen, 100km Torhout | 100,00 | ×4 |
| ✓ 6 | 24/11/1996 | 1ère Olne-Spa-Olne | 63,30 | ×2 |
| ✓ 7 | 14/9/1991 | 2. 60 km Lauf Vettweiss | 60,00 | ×2 |
| ✓ 8 | 28/5/1995 | De 50 km van Kluisbergen | 50,00 | ×2 |
| ✓ 9 | 8/5/1994 | De 50 km van Kluisbergen | 50,00 | ×2 |
| ✓ 10 | 20/5/1993 | De 50 km van Kluisbergen | 50,00 | ×2 |
| ✓ 11 | 31/5/1992 | De 50 km van Kluisbergen | 50,00 | ×2 |
| ✓ 12 | 1/5/1991 | De 50 km van Koekelare | 50,00 | ×2 |