Takatoshi (岩田隆敏) Iwata
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Born : 1963
Cat. M60 Ultrarunner since 2008
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
21
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
3
Countries visited ?
Hong KongJapan
Singapore
Hong KongJapanSingapore18,2%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 634; Σ finishers = 3 485. 634 / 3 485 × 100 = 18.19%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races565 km
Longest race100,0 km
13. Okukumano 100 km Ultramarathon — 24/4/2011
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road91,2%
Trail8,8%
Records
HISTORY
8 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2020 | ||||
| 05.01 | 50km | 5th Ultra-Trail Tai Mo Shan (YTF) 50 km |
13:34:56 h | 109 |
| 2018 | ||||
| 17.06 | 62km | 2nd Nikko 62km Ultramarathon |
7:09:46 h | 113 |
| 2014 | ||||
| 22.11 | 60km | 1st Kiso-Sansen 60 km Ultra-Marathon |
6:13:51 h | 299 |
| 08.06 | 72km | 3rd Hida Takayama 72 km Ultramarathon |
7:00:14 h | 29 |
| 2013 | ||||
| 28.04 | 65km | 15. Okukumano 65 km Ultramarathon |
6:14:25 h | 7 |
| 2012 | ||||
| 10.06 | 72km | 1st Hida Takayama 72 km Ultramarathon |
7:22:12 h | 17 |
| 2011 | ||||
| 24.04 | 100km | 13. Okukumano 100 km Ultramarathon |
11:03:38 h | 36 |
| 2008 | ||||
| 31.05 | 84km | 1st Sundown Night 84km |
9:59:51 h | 32 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 24/4/2011 | 13. Okukumano 100 km Ultramarathon | 100,00 | ×4 |
| ✓ 2 | 31/5/2008 | 1st Sundown Night 84km | 84,00 | ×4 |
| ✓ 3 | 8/6/2014 | 3rd Hida Takayama 72 km Ultramarathon | 72,00 | ×3 |
| ✓ 4 | 10/6/2012 | 1st Hida Takayama 72 km Ultramarathon | 72,00 | ×3 |
| ✓ 5 | 28/4/2013 | 15. Okukumano 65 km Ultramarathon | 65,00 | ×3 |
| ✓ 6 | 17/6/2018 | 2nd Nikko 62km Ultramarathon | 62,00 | ×2 |
| ✓ 7 | 22/11/2014 | 1st Kiso-Sansen 60 km Ultra-Marathon | 60,00 | ×2 |
| ✓ 8 | 5/1/2020 | 5th Ultra-Trail Tai Mo Shan (YTF) 50 km | 50,00 | ×2 |