Shuko (広瀬周子) Hirose
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Born : 1977
Cat. W45 Ultrarunner since 2018
9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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
Japan45,5%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 2 170; Σ finishers = 4 771. 2 170 / 4 771 × 100 = 45.48%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races858 km
Longest race100,0 km
36th Fuji 4 Lakes 100 km Challenge — 19/4/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
9 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 19.04 | 100km | 36th Fuji 4 Lakes 100 km Challenge |
13:13:59 h | 892 |
| 2025 | ||||
| 05.10 | 100km | 6th Mine Akiyoshidai Geopark Ultra Marathon |
13:06:30 h | 45 |
| 25.05 | 100km | 31th Ebisu-Daikoku 100 km Marathon |
12:07:32 h | 176 |
| 2024 | ||||
| 29.09 | 88km | 27th Muraoka 88 km Ultra Marathon |
10:24:58 h | 18 |
| 21.04 | 100km | 15th 100 km Ultra Maranic Osaka |
12:05:16 h | 105 |
| 2023 | ||||
| 11.06 | 100km | 11th Hida Takayama 100 km Ultramarathon |
12:28:45 h | 579 |
| 23.04 | 100km | 14th 100 km Ultra Maranic Osaka |
12:16:39 h | 134 |
| 2019 | ||||
| 21.04 | 100km | 11th 100 km Ultra Maranic Osaka |
11:55:54 h | 144 |
| 2018 | ||||
| 22.04 | 70km | 10th 70 km Ultra Maranic Osaka |
9:08:38 h | 86 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 19/4/2026 | 36th Fuji 4 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 2 | 5/10/2025 | 6th Mine Akiyoshidai Geopark Ultra Marathon | 100,00 | ×3 |
| ✓ 3 | 25/5/2025 | 31th Ebisu-Daikoku 100 km Marathon | 100,00 | ×3 |
| ✓ 4 | 21/4/2024 | 15th 100 km Ultra Maranic Osaka | 100,00 | ×3 |
| ✓ 5 | 11/6/2023 | 11th Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 23/4/2023 | 14th 100 km Ultra Maranic Osaka | 100,00 | ×3 |
| ✓ 7 | 21/4/2019 | 11th 100 km Ultra Maranic Osaka | 100,00 | ×3 |
| ✓ 8 | 29/9/2024 | 27th Muraoka 88 km Ultra Marathon | 88,00 | ×3 |
| ✓ 9 | 22/4/2018 | 10th 70 km Ultra Maranic Osaka | 70,00 | ×2 |