Naoyasu (渋谷直泰) Shibuya
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Born : 1946
Cat. M80 Ultrarunner since 2001
16
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
35
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
Japan44,4%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 5 660; Σ finishers = 12 735. 5 660 / 12 735 × 100 = 44.44%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 483 km
> 100 km3
Longest race143,0 km
14th Karisakatoge beyond Chichibu Run — 18/9/2011
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road50,8%
Trail49,2%
Records
HISTORY
16 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 18/9/2011 | 14th Karisakatoge beyond Chichibu Run | 143,00 | ×4 |
| ✓ 2 | 16/9/2007 | 10th Karisakatoge beyond Chichibu Run | 141,00 | ×4 |
| ✓ 3 | 17/9/2006 | 9th Karisakatoge beyond Chichibu Run | 141,00 | ×4 |
| ✓ 4 | 16/6/2007 | 11th Kamoshika Mountain Village Tour | 100,00 | ×2 |
| ✓ 5 | 20/5/2007 | 13th Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 6 | 21/5/2006 | 12th Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 7 | 22/5/2005 | 11th Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 8 | 28/7/2013 | 20. Ultramarathon Okumusashi | 77,00 | ×2 |
| ✓ 9 | 1/8/2010 | 17. Ultramarathon Okumusashi | 77,00 | ×2 |
| ✓ 10 | 5/8/2007 | 14. Ultramarathon Okumusashi | 75,00 | ×2 |
| ✓ 11 | 12/10/2008 | 16th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 12 | 14/10/2007 | 15th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 13 | 8/10/2006 | 14th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 14 | 10/10/2004 | 12th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 15 | 25/10/2003 | 11th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 16 | 6/10/2001 | 9th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |