Osamu (渡辺修) Watanabe
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Born : 1958
Cat. M65 Ultrarunner since 2006
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
23
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
1
Countries visited ?Japan
Japan40,4%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 1 220; Σ finishers = 3 020. 1 220 / 3 020 × 100 = 40.40%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races586 km
Longest race100,0 km
9th Echigo Kubikino 100km Ultramarathon — 6/10/2012
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road71,0%
Trail29,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 30
🏅 Top 3 M1
Longest winning streak0
Current streak0
Records
HISTORY
8 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 6/10/2012 | 9th Echigo Kubikino 100km Ultramarathon | 100,00 | ×4 |
| ✓ 2 | 14/6/2009 | 5th Iwate Ginga 100km Marathon Challenge | 100,00 | ×4 |
| ✓ 3 | 9/10/2006 | 6th Echigo Kubikino 100km Ultramarathon | 100,00 | ×4 |
| ✓ 4 | 25/8/2012 | 2nd Utsukushigahara 70 km Trail Run | 70,00 | ×3 |
| ✓ 5 | 30/9/2018 | 5th Naeba-Sanroku Geopark Tsunan Ultramarathon 64K | 64,00 | ×2 |
| ✓ 6 | 7/7/2013 | 19th 8-Hour Endurance Race Tokorozawa - 3 tai | 51,94 | ×2 |
| ✓ 7 | 10/6/2018 | 11th Skyline Trail Sugadaira | 50,00 | ×2 |
| ✓ 8 | 8/9/2018 | 6th Trainic world Soto-Chichibu Trail Run 50km | 49,80 | ×2 |