Taiji (広瀬泰治) Hirose
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Born : 1976
Cat. M50 Ultrarunner since 2008
12
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
Japan16,4%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 1 081; Σ finishers = 6 595. 1 081 / 6 595 × 100 = 16.39%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed12
Km — ultra races1 237 km
> 100 km5
> 160 km2
Longest race163,1 km
16th Shinetsu Five Mountains Trail 100 mile — 14/9/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road44,5%
Trail55,5%
HISTORY
12 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 13.09 | 162.2km | 17th Shinetsu Five Mountains Trail 100 mile |
26:21:33 h | 42 |
| 07.06 | 100.8km | 5th Okushinano 100 |
13:36:21 h | 36 |
| 2024 | ||||
| 13.10 | 100km | 15th Echigo Kubikino 100km Ultramarathon |
10:34:20 h | 103 |
| 14.09 | 163.1km | 16th Shinetsu Five Mountains Trail 100 mile |
25:31:43 h | 52 |
| 08.06 | 100.8km | 4th Okushinano 100 |
15:27:13 h | 113 |
| 2023 | ||||
| 17.09 | 110km | 15th Shinetsu Five Mountains Trail 110km |
17:42:48 h | 43 |
| 17.06 | 50km | 2nd KTF Trail running race - Rockin Bear |
6:01:44 h | 64 |
| 2022 | ||||
| 09.10 | 100km | 14th Echigo Kubikino 100km Ultramarathon |
9:16:07 h | 31 |
| 2021 | ||||
| 03.10 | 100km | 8th Naeba-Sanroku Geopark Tsunan Ultramarathon 100K |
9:54:51 h | 14 |
| 2012 | ||||
| 06.10 | 100km | 9th Echigo Kubikino 100km Ultramarathon |
11:16:57 h | 267 |
| 2010 | ||||
| 09.10 | 100km | 8th Echigo Kubikino 100km Ultramarathon |
11:06:04 h | 251 |
| 2008 | ||||
| 11.10 | 50km | 7th Echigo Kubikino 50km Ultramarathon |
5:06:08 h | 77 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 14/9/2024 | 16th Shinetsu Five Mountains Trail 100 mile | 163,10 | ×4 |
| ✓ 2 | 13/9/2025 | 17th Shinetsu Five Mountains Trail 100 mile | 162,20 | ×4 |
| ✓ 3 | 17/9/2023 | 15th Shinetsu Five Mountains Trail 110km | 110,00 | ×3 |
| ✓ 4 | 7/6/2025 | 5th Okushinano 100 | 100,80 | ×3 |
| ✓ 5 | 8/6/2024 | 4th Okushinano 100 | 100,80 | ×3 |
| ✓ 6 | 13/10/2024 | 15th Echigo Kubikino 100km Ultramarathon | 100,00 | ×3 |
| ✓ 7 | 9/10/2022 | 14th Echigo Kubikino 100km Ultramarathon | 100,00 | ×3 |
| ✓ 8 | 3/10/2021 | 8th Naeba-Sanroku Geopark Tsunan Ultramarathon 100K | 100,00 | ×3 |
| ✓ 9 | 6/10/2012 | 9th Echigo Kubikino 100km Ultramarathon | 100,00 | ×3 |
| ✓ 10 | 9/10/2010 | 8th Echigo Kubikino 100km Ultramarathon | 100,00 | ×3 |
| ✓ 11 | 17/6/2023 | 2nd KTF Trail running race - Rockin Bear | 50,00 | ×1 |
| ✓ 12 | 11/10/2008 | 7th Echigo Kubikino 50km Ultramarathon | 50,00 | ×1 |