Hirokazu (塚本謙二) Tsukamoto
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Born : 1952
Cat. M70 Ultrarunner since 2005
8
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
Japan25,3%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 768; Σ finishers = 3 032. 768 / 3 032 × 100 = 25.33%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races780 km
> 100 km1
Longest race140,0 km
19. Yamaguchi 100 Hagi-O-Kan Maranic 140 km — 3/5/2007
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
8 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2019 | ||||
| 13.01 | 100km | 4th Yakushima Ultramarathon |
12:41:43 h | 31 |
| 2017 | ||||
| 23.04 | 100km | 9th 100 km Ultra Maranic Osaka |
11:08:07 h | 71 |
| 2015 | ||||
| 06.06 | 100km | 25th Aso Caldera Super Marathon 100 km |
10:47:20 h | 199 |
| 2014 | ||||
| 27.07 | 100km | 4th North Okhotsk 100 km Marathon |
11:39:02 h | 85 |
| 07.06 | 100km | 24th Aso Caldera Super Marathon 100 km |
11:41:20 h | 301 |
| 2007 | ||||
| 03.05 | 140km | 19. Yamaguchi 100 Hagi-O-Kan Maranic 140 km |
18:33:14 h | 20 |
| 2006 | ||||
| 04.05 | 70km | 18. Yamaguchi 100 Hagi-O-Kan Maranic 70 km |
7:59:01 h | 11 |
| 2005 | ||||
| 04.05 | 70km | 17. Yamaguchi 100 Hagi-O-Kan Maranic 70 km |
10:21:04 h | 58 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 3/5/2007 | 19. Yamaguchi 100 Hagi-O-Kan Maranic 140 km | 140,00 | ×5 |
| ✓ 2 | 13/1/2019 | 4th Yakushima Ultramarathon | 100,00 | ×4 |
| ✓ 3 | 23/4/2017 | 9th 100 km Ultra Maranic Osaka | 100,00 | ×4 |
| ✓ 4 | 6/6/2015 | 25th Aso Caldera Super Marathon 100 km | 100,00 | ×4 |
| ✓ 5 | 27/7/2014 | 4th North Okhotsk 100 km Marathon | 100,00 | ×4 |
| ✓ 6 | 7/6/2014 | 24th Aso Caldera Super Marathon 100 km | 100,00 | ×4 |
| ✓ 7 | 4/5/2006 | 18. Yamaguchi 100 Hagi-O-Kan Maranic 70 km | 70,00 | ×2 |
| ✓ 8 | 4/5/2005 | 17. Yamaguchi 100 Hagi-O-Kan Maranic 70 km | 70,00 | ×2 |