Taketoshi (白木毅俊) Shiraki
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Born : 1961
Cat. M65 Ultrarunner since 2010
13
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
1
Countries visited ?Japan
Japan81,2%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 4 826; Σ finishers = 5 944. 4 826 / 5 944 × 100 = 81.19%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races760 km
Longest race70,0 km
24. Yamaguchi 100 Hagi-O-Kan Maranic 70 km — 4/5/2012
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2019 | ||||
| 12.05 | 50km | 23th 50 km Ultramarathon Ako Seaside Park |
7:52:38 h | 52 |
| 2018 | ||||
| 13.05 | 50km | 22th 50 km Ultramarathon Ako Seaside Park |
6:55:19 h | 39 |
| 2017 | ||||
| 14.05 | 50km | 21th 50 km Ultramarathon Ako Seaside Park |
7:13:56 h | 71 |
| 2016 | ||||
| 18.09 | 60km | 16th Tango 60 km Ultramarathon |
9:13:30 h | 816 |
| 15.05 | 50km | 20th 50 km Ultramarathon Ako Seaside Park |
7:38:38 h | 60 |
| 2015 | ||||
| 20.09 | 60km | 15th Tango 60 km Ultramarathon |
9:25:03 h | 911 |
| 2014 | ||||
| 14.09 | 60km | 14th Tango 60 km Ultramarathon |
9:08:42 h | 748 |
| 2013 | ||||
| 15.09 | 60km | 13th Tango 60 km Ultramarathon |
8:55:42 h | 767 |
| 2012 | ||||
| 21.10 | 60km | 18th River Shimanto 60km |
8:13:32 h | 241 |
| 04.05 | 70km | 24. Yamaguchi 100 Hagi-O-Kan Maranic 70 km |
11:09:01 h | 305 |
| 2011 | ||||
| 18.09 | 60km | 11th Tango 60 km Ultramarathon |
8:53:28 h | 351 |
| 04.05 | 70km | 23. Yamaguchi 100 Hagi-O-Kan Maranic 70 km |
11:38:22 h | 308 |
| 2010 | ||||
| 17.10 | 60km | 16th River Shimanto 60km |
7:42:52 h | 170 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 4/5/2012 | 24. Yamaguchi 100 Hagi-O-Kan Maranic 70 km | 70,00 | ×2 |
| ✓ 2 | 4/5/2011 | 23. Yamaguchi 100 Hagi-O-Kan Maranic 70 km | 70,00 | ×2 |
| ✓ 3 | 18/9/2016 | 16th Tango 60 km Ultramarathon | 60,00 | ×2 |
| ✓ 4 | 20/9/2015 | 15th Tango 60 km Ultramarathon | 60,00 | ×2 |
| ✓ 5 | 14/9/2014 | 14th Tango 60 km Ultramarathon | 60,00 | ×2 |
| ✓ 6 | 15/9/2013 | 13th Tango 60 km Ultramarathon | 60,00 | ×2 |
| ✓ 7 | 21/10/2012 | 18th River Shimanto 60km | 60,00 | ×2 |
| ✓ 8 | 18/9/2011 | 11th Tango 60 km Ultramarathon | 60,00 | ×2 |
| ✓ 9 | 17/10/2010 | 16th River Shimanto 60km | 60,00 | ×2 |
| ✓ 10 | 12/5/2019 | 23th 50 km Ultramarathon Ako Seaside Park | 50,00 | ×2 |
| ✓ 11 | 13/5/2018 | 22th 50 km Ultramarathon Ako Seaside Park | 50,00 | ×2 |
| ✓ 12 | 14/5/2017 | 21th 50 km Ultramarathon Ako Seaside Park | 50,00 | ×2 |
| ✓ 13 | 15/5/2016 | 20th 50 km Ultramarathon Ako Seaside Park | 50,00 | ×2 |