Toshio (工藤俊雄) Kudo
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Born : 1962
Cat. M60 Ultrarunner since 2004
13
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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
2
Countries visited ?Japan
New Zealand
JapanNew Zealand26,8%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 2 994; Σ finishers = 11 151. 2 994 / 11 151 × 100 = 26.85%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races924 km
Longest race100,0 km
25. Lake Saroma 100 km Ultramarathon — 27/6/2010
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road49,4%
Trail50,6%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
Records
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2011 | ||||
| 17.07 | 52km | 60. Tsurunuma 52 km |
4:48:06 h | 2 🥈 |
| 2010 | ||||
| 10.10 | 71.5km | 18th Hasetsune Cup - Japan Mountain Endurance Race |
14:38:46 h | 420 |
| 27.06 | 100km | 25. Lake Saroma 100 km Ultramarathon |
11:49:41 h | 771 |
| 2009 | ||||
| 18.10 | 100km | 15th River Shimanto 100km |
9:41:00 h | 83 |
| 05.04 | 100km | 55. Tsurunuma 100 km |
10:29:37 h | 13 |
| 2008 | ||||
| 06.12 | 60km | 21st Kepler Challenge Mountain Run |
7:27:30 h | 115 |
| 12.10 | 71.5km | 16th Hasetsune Cup - Japan Mountain Endurance Race |
13:49:46 h | 469 |
| 2007 | ||||
| 26.08 | 52km | 52. Tsurunuma 52 km |
4:55:34 h | 22 |
| 27.05 | 50km | OSJ Hakone 50K |
10:23:40 h | 194 |
| 2006 | ||||
| 08.10 | 71.5km | 14th Hasetsune Cup - Japan Mountain Endurance Race |
14:34:00 h | 336 |
| 2005 | ||||
| 09.10 | 71.5km | 13th Hasetsune Cup - Japan Mountain Endurance Race |
17:12:46 h | 412 |
| 28.08 | 52km | 48. Tsurunuma 52 km |
4:57:02 h | 27 |
| 2004 | ||||
| 10.10 | 71.5km | 12th Hasetsune Cup - Japan Mountain Endurance Race |
14:37:21 h | 143 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 27/6/2010 | 25. Lake Saroma 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 2 | 18/10/2009 | 15th River Shimanto 100km | 100,00 | ×3 |
| ✓ 3 | 5/4/2009 | 55. Tsurunuma 100 km | 100,00 | ×3 |
| ✓ 4 | 10/10/2010 | 18th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 5 | 12/10/2008 | 16th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 6 | 8/10/2006 | 14th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 7 | 9/10/2005 | 13th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 8 | 10/10/2004 | 12th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 9 | 6/12/2008 | 21st Kepler Challenge Mountain Run | 60,00 | ×2 |
| ✓ 10 | 17/7/2011 | 60. Tsurunuma 52 km | 52,00 | ×2 |
| ✓ 11 | 26/8/2007 | 52. Tsurunuma 52 km | 52,00 | ×2 |
| ✓ 12 | 28/8/2005 | 48. Tsurunuma 52 km | 52,00 | ×2 |
| ✓ 13 | 27/5/2007 | OSJ Hakone 50K | 50,00 | ×1 |