Shinya (正光信也) Masamitsu
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Born : 1968
Cat. M55 Ultrarunner since 2014
10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
27
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
Japan45,7%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 3 792; Σ finishers = 8 291. 3 792 / 8 291 × 100 = 45.74%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races891 km
> 100 km2
> 160 km1
Longest race167,0 km
9th Ultra-Trail Mt. Fuji (UTMF) — 26/4/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road44,9%
Trail55,1%
Records
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2024 | ||||
| 26.04 | 167km | 9th Ultra-Trail Mt. Fuji |
42:53:54 h | 1006 |
| 2023 | ||||
| 10.06 | 100.8km | 3rd Okushinano 100 |
18:16:16 h | 299 |
| 2022 | ||||
| 17.07 | 65km | 13th Nozawa Onsen 4100D Mountain Trail |
13:27:34 h | 294 |
| 21.05 | 50km | 8th Mt. Hiei Int. 50 km Trail Run |
9:45:58 h | 374 |
| 2019 | ||||
| 20.10 | 57.8km | 3rd Kohechi Trail Journey |
10:25:18 h | 53 |
| 2018 | ||||
| 02.06 | 50km | 10th OSJ Okukuji Trail 50k |
13:27:15 h | 244 |
| 2017 | ||||
| 04.06 | 100km | 5th Tokyo Shibamata 100 km |
9:42:54 h | 137 |
| 2016 | ||||
| 24.04 | 100km | 26th Fuji 5 Lakes 100 km Challenge |
12:14:47 h | 499 |
| 2015 | ||||
| 06.06 | 100km | 3rd Tokyo Shibamata 100 km |
11:10:16 h | 324 |
| 2014 | ||||
| 08.06 | 100km | 3rd Hida Takayama 100 km Ultramarathon |
12:52:57 h | 572 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 26/4/2024 | 9th Ultra-Trail Mt. Fuji (UTMF) | 167,00 | ×6 |
| ✓ 2 | 10/6/2023 | 3rd Okushinano 100 | 100,80 | ×3 |
| ✓ 3 | 4/6/2017 | 5th Tokyo Shibamata 100 km | 100,00 | ×3 |
| ✓ 4 | 24/4/2016 | 26th Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 5 | 6/6/2015 | 3rd Tokyo Shibamata 100 km | 100,00 | ×3 |
| ✓ 6 | 8/6/2014 | 3rd Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 7 | 17/7/2022 | 13th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×2 |
| ✓ 8 | 20/10/2019 | 3rd Kohechi Trail Journey | 57,80 | ×2 |
| ✓ 9 | 21/5/2022 | 8th Mt. Hiei Int. 50 km Trail Run | 50,00 | ×1 |
| ✓ 10 | 2/6/2018 | 10th OSJ Okukuji Trail 50k | 50,00 | ×1 |