Kouji (牛島光次) Ushijima
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Born : 1952
Cat. M70 Ultrarunner since 2012
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
22
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
Japan35,5%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 1 228; Σ finishers = 3 460. 1 228 / 3 460 × 100 = 35.49%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races605 km
Longest race100,0 km
18th Muraoka 100 km Ultra Marathon — 27/9/2015
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
8 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 28.09 | 64km | 28th Muraoka 64 km Ultra Marathon |
6:50:20 h | 166 |
| 2023 | ||||
| 24.09 | 66km | 26th Muraoka 66 km Ultra Marathon |
8:21:20 h | 51 |
| 2022 | ||||
| 29.09 | 45km | 25th Muraoka 45 km Ultra Marathon |
4:36:33 h | 178 |
| 2015 | ||||
| 27.09 | 100km | 18th Muraoka 100 km Ultra Marathon |
12:58:34 h | 260 |
| 2014 | ||||
| 28.09 | 100km | 17th Muraoka 100 km Ultra Marathon |
11:58:48 h | 118 |
| 2013 | ||||
| 29.09 | 88km | 16th Muraoka 88 km Ultra Marathon |
12:12:38 h | 68 |
| 19.05 | 76km | Saba Highway Ultramarathon |
10:52:27 h | 263 |
| 2012 | ||||
| 30.09 | 66km | 15th Muraoka 66 km Ultra Marathon |
9:39:04 h | 132 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 27/9/2015 | 18th Muraoka 100 km Ultra Marathon | 100,00 | ×4 |
| ✓ 2 | 28/9/2014 | 17th Muraoka 100 km Ultra Marathon | 100,00 | ×4 |
| ✓ 3 | 29/9/2013 | 16th Muraoka 88 km Ultra Marathon | 88,00 | ×4 |
| ✓ 4 | 19/5/2013 | Saba Highway Ultramarathon | 76,00 | ×3 |
| ✓ 5 | 24/9/2023 | 26th Muraoka 66 km Ultra Marathon | 66,00 | ×3 |
| ✓ 6 | 30/9/2012 | 15th Muraoka 66 km Ultra Marathon | 66,00 | ×3 |
| ✓ 7 | 28/9/2025 | 28th Muraoka 64 km Ultra Marathon | 64,00 | ×2 |
| ✓ 8 | 29/9/2022 | 25th Muraoka 45 km Ultra Marathon | 45,00 | ×2 |