Masahiro (今村昌弘) Imamura
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11
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
59,0%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 2 024; Σ finishers = 3 430. 2 024 / 3 430 × 100 = 59.01%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed11
Km — ultra races694 km
> 100 km2
Longest race103,0 km
6th Tojinbo 103 km Ultramarathon — 27/5/2017
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
11 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2023 | ||||
| 27.05 | 62km | 8:16:47 h | 108 | |
| 2019 | ||||
| 25.05 | 52km | 7:39:26 h | 48 | |
| 2018 | ||||
| 10.06 | 50km | 6:30:12 h | 198 | |
| 26.05 | 52km | 6:46:25 h | 33 | |
| 2017 | ||||
| 27.05 | 103km | 13:49:06 h | 114 | |
| 15.01 | 50km | 5:40:06 h | 44 | |
| 2016 | ||||
| 16.10 | 60km | 7:53:34 h | 51 | |
| 28.05 | 52km | 7:18:38 h | 80 | |
| 17.01 | 50km | 6:03:54 h | 52 | |
| 2015 | ||||
| 16.05 | 103km | 14:46:32 h | 154 | |
| 2014 | ||||
| 22.11 | 60km | 7:38:08 h | 1153 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 27/5/2017 | 6th Tojinbo 103 km Ultramarathon | 103,00 | ×4 |
| ✓ 2 | 16/5/2015 | 4th Tojinbo 103 km Ultramarathon | 103,00 | ×4 |
| ✓ 3 | 27/5/2023 | 11th Tojinbo 62 km Ultramarathon | 62,00 | ×2 |
| ✓ 4 | 16/10/2016 | 5th Noto Peninsula 60 km Ultra Marathon | 60,00 | ×2 |
| ✓ 5 | 22/11/2014 | 1st Kiso-Sansen 60 km Ultra-Marathon | 60,00 | ×2 |
| ✓ 6 | 25/5/2019 | 8th Tojinbo 52 km Ultramarathon | 52,00 | ×2 |
| ✓ 7 | 26/5/2018 | 7th Tojinbo 52 km Ultramarathon | 52,00 | ×2 |
| ✓ 8 | 28/5/2016 | 5th Tojinbo 52 km Ultramarathon | 52,00 | ×2 |
| ✓ 9 | 10/6/2018 | 2nd Koyasan and Ryujin-Onsen 50 km Ultra Marathon | 50,00 | ×2 |
| ✓ 10 | 15/1/2017 | 27th Miyako 50 km Ultramarathon | 50,00 | ×2 |
| ✓ 11 | 17/1/2016 | 26th Miyako 50 km Ultramarathon | 50,00 | ×2 |