Toshiya (北脇俊哉) Kitawaki
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14
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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
64,2%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 4 499; Σ finishers = 7 009. 4 499 / 7 009 × 100 = 64.19%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races1 381 km
> 100 km4
> 24h2
Longest race140,0 km
25. Yamaguchi 100 Hagi-O-Kan Maranic 140 km — 3/5/2013
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
14 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 3/5/2013 | 25. Yamaguchi 100 Hagi-O-Kan Maranic 140 km | 140,00 | ×4 |
| ✓ 2 | 3/5/2011 | 23. Yamaguchi 100 Hagi-O-Kan Maranic 140 km | 140,00 | ×4 |
| ✓ 3 | 3/8/2013 | 14th 24-hour relay & solo marathon Kobe | 124,00 | ×3 |
| ✓ 4 | 1/8/2015 | 15th 24-hour relay & solo marathon Kobe | 105,40 | ×3 |
| ✓ 5 | 18/10/2015 | 21st River Shimanto 100km | 100,00 | ×3 |
| ✓ 6 | 16/10/2011 | 17th River Shimanto 100km | 100,00 | ×3 |
| ✓ 7 | 18/10/2009 | 15th River Shimanto 100km | 100,00 | ×3 |
| ✓ 8 | 17/10/2004 | 10th River Shimanto 100km | 100,00 | ×3 |
| ✓ 9 | 29/9/2013 | 16th Muraoka 88 km Ultra Marathon | 88,00 | ×2 |
| ✓ 10 | 25/9/2011 | 14th Muraoka 88 km Ultra Marathon | 88,00 | ×2 |
| ✓ 11 | 29/9/2007 | 10th Muraoka 88 km Ultra Marathon | 88,00 | ×2 |
| ✓ 12 | 30/9/2006 | 9th Muraoka 88 km Ultra Marathon | 88,00 | ×2 |
| ✓ 13 | 15/9/2013 | 13th Tango 60 km Ultramarathon | 60,00 | ×1 |
| ✓ 14 | 19/10/2003 | 9th River Shimanto 60km | 60,00 | ×1 |