Masanori (西村昌紀) Nishimura
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Born : 1971
Cat. M55 Ultrarunner since 2013
16
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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
Japan56,5%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 5 192; Σ finishers = 9 195. 5 192 / 9 195 × 100 = 56.47%. A win adds 0 to the numerator. Lower is better.
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road15,9%
Trail84,1%
Records
HISTORY
16 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 20.07 | 99.5km | 17th OSJ Ontake 100km Ultra Trail |
18:08:09 h | 760 |
| 2024 | ||||
| 23.11 | 100km | 3rd Tokyo 100 |
28:36:00 h | 61 |
| 2023 | ||||
| 22.10 | 67km | 7th Forestrail Shinjo-Hiruzen |
13:43:14 h | 127 |
| 2022 | ||||
| 05.11 | 100km | 2nd OSJ Kami 100 |
24:55:04 h | 151 |
| 27.05 | 45km | 1st Karuizawa Trail Running Race |
8:55:44 h | 310 |
| 2019 | ||||
| 13.07 | 65km | 10th Nozawa Onsen 4100D Mountain Trail |
11:52:55 h | 157 |
| 2017 | ||||
| 11.06 | 100km | 6th Hida Takayama 100 km Ultramarathon |
12:52:33 h | 881 |
| 23.04 | 70km | 3rd Okumikawa Power Trail |
11:59:12 h | 236 |
| 2016 | ||||
| 11.12 | 71.7km | 3rd Izu Trail Journey |
12:21:57 h | 632 |
| 24.04 | 70km | 2nd Okumikawa Power Trail |
12:19:55 h | 353 |
| 2015 | ||||
| 18.07 | 100km | 8th OSJ Ontake 100km Ultra Trail |
16:36:54 h | 512 |
| 30.05 | 50km | 1st Mt. Hiei Int. 50 km Trail Run |
9:09:22 h | 165 |
| 15.03 | 72km | 2nd Izu Trail Journey |
10:23:33 h | 200 |
| 2014 | ||||
| 19.10 | 73km | 5th OSJ Hyonosen Mountains Trail Race |
11:07:12 h | 95 |
| 2013 | ||||
| 20.10 | 71km | 4th OSJ Hyonosen Mountains Trail Race |
13:22:35 h | 226 |
| 21.04 | 100km | 5th 100 km Ultra Maranic Osaka |
14:51:36 h | 342 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 23/11/2024 | 3rd Tokyo 100 | 100,00 | ×3 |
| ✓ 2 | 5/11/2022 | 2nd OSJ Kami 100 | 100,00 | ×3 |
| ✓ 3 | 11/6/2017 | 6th Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 4 | 18/7/2015 | 8th OSJ Ontake 100km Ultra Trail | 100,00 | ×3 |
| ✓ 5 | 21/4/2013 | 5th 100 km Ultra Maranic Osaka | 100,00 | ×3 |
| ✓ 6 | 20/7/2025 | 17th OSJ Ontake 100km Ultra Trail | 99,50 | ×3 |
| ✓ 7 | 19/10/2014 | 5th OSJ Hyonosen Mountains Trail Race | 73,00 | ×2 |
| ✓ 8 | 15/3/2015 | 2nd Izu Trail Journey | 72,00 | ×2 |
| ✓ 9 | 11/12/2016 | 3rd Izu Trail Journey | 71,70 | ×2 |
| ✓ 10 | 20/10/2013 | 4th OSJ Hyonosen Mountains Trail Race | 71,00 | ×2 |
| ✓ 11 | 23/4/2017 | 3rd Okumikawa Power Trail | 70,00 | ×2 |
| ✓ 12 | 24/4/2016 | 2nd Okumikawa Power Trail | 70,00 | ×2 |
| ✓ 13 | 22/10/2023 | 7th Forestrail Shinjo-Hiruzen | 67,00 | ×2 |
| ✓ 14 | 13/7/2019 | 10th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×1 |
| ✓ 15 | 30/5/2015 | 1st Mt. Hiei Int. 50 km Trail Run | 50,00 | ×1 |
| ✓ 16 | 27/5/2022 | 1st Karuizawa Trail Running Race | 45,00 | ×1 |