Koji (樋口浩二) Higuchi
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Born : 1973
Cat. M50 Ultrarunner since 2016
13
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
32
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
Japan20,0%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 1 037; Σ finishers = 5 190. 1 037 / 5 190 × 100 = 19.98%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races1 146 km
Longest race100,0 km
7th Okinawa 100km Ultramarathon — 15/12/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 31.05 | 62km | 13th Tojinbo 62 km Ultramarathon |
6:50:55 h | 24 |
| 2024 | ||||
| 15.12 | 100km | 7th Okinawa 100km Ultramarathon |
10:53:27 h | 111 |
| 02.06 | 53.7km | 22th Rishiri Island Ultra Marathon |
5:14:01 h | 40 |
| 04.02 | 100km | 3rd Amami yori yori Run |
13:45:28 h | 29 |
| 2023 | ||||
| 17.12 | 100km | 6th Okinawa 100km Ultramarathon |
11:42:44 h | 207 |
| 21.10 | 100km | 6th Iki 100 km Ultra Marathon |
12:10:36 h | 145 |
| 15.04 | 70km | 2nd Atsumi Peninsula Ultra Nature Run - 70km |
7:28:27 h | 28 |
| 2020 | ||||
| 19.01 | 100km | 30th Miyako 100 km Ultramarathon |
11:29:57 h | 106 |
| 2018 | ||||
| 20.10 | 100km | 9th Inagawa 100km Ultra-Marathon |
11:04:23 h | 11 |
| 13.05 | 60km | 4th Ishigaki Island Ultra Marathon |
7:24:49 h | 33 |
| 2017 | ||||
| 15.10 | 100km | 23rd River Shimanto 100km |
10:45:41 h | 245 |
| 2016 | ||||
| 18.12 | 100km | 1st Okinawa 100km Ultramarathon |
10:09:02 h | 28 |
| 02.10 | 100km | 1st Iki 100 km Ultra Marathon |
11:29:24 h | 43 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 15/12/2024 | 7th Okinawa 100km Ultramarathon | 100,00 | ×3 |
| ✓ 2 | 4/2/2024 | 3rd Amami yori yori Run | 100,00 | ×3 |
| ✓ 3 | 17/12/2023 | 6th Okinawa 100km Ultramarathon | 100,00 | ×3 |
| ✓ 4 | 21/10/2023 | 6th Iki 100 km Ultra Marathon | 100,00 | ×3 |
| ✓ 5 | 19/1/2020 | 30th Miyako 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 20/10/2018 | 9th Inagawa 100km Ultra-Marathon | 100,00 | ×3 |
| ✓ 7 | 15/10/2017 | 23rd River Shimanto 100km | 100,00 | ×3 |
| ✓ 8 | 18/12/2016 | 1st Okinawa 100km Ultramarathon | 100,00 | ×3 |
| ✓ 9 | 2/10/2016 | 1st Iki 100 km Ultra Marathon | 100,00 | ×3 |
| ✓ 10 | 15/4/2023 | 2nd Atsumi Peninsula Ultra Nature Run - 70km | 70,00 | ×2 |
| ✓ 11 | 31/5/2025 | 13th Tojinbo 62 km Ultramarathon | 62,00 | ×1 |
| ✓ 12 | 13/5/2018 | 4th Ishigaki Island Ultra Marathon | 60,00 | ×1 |
| ✓ 13 | 2/6/2024 | 22th Rishiri Island Ultra Marathon | 53,70 | ×1 |