Naoyuki (寺口尚志) Terakuchi
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Ultrarunner since 2017
6
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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
Japan89,9%
Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 4 003; Σ finishers = 4 453. 4 003 / 4 453 × 100 = 89.89%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed6
Km — ultra races664 km
> 100 km3
Longest race130,0 km
2nd Mito Kaido Journey run — 16/11/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
6 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2024 | ||||
| 16.11 | 130km | 2nd Mito Kaido Journey run |
24:14:06 h | 94 |
| 2023 | ||||
| 03.11 | 128km | 4th Tokyo Great Race 128km |
22:56:14 h | 16 |
| 2022 | ||||
| 05.11 | 128km | 3rd Tokyo Great Race 128km |
22:10:54 h | 20 |
| 2019 | ||||
| 21.04 | 100km | 29th Fuji 5 Lakes 100 km Challenge |
13:50:27 h | 1361 |
| 2018 | ||||
| 03.06 | 78km | 25. Ultramarathon Okumusashi |
11:46:34 h | 1333 |
| 2017 | ||||
| 04.06 | 100km | 5th Tokyo Shibamata 100 km |
13:40:05 h | 1185 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 16/11/2024 | 2nd Mito Kaido Journey run | 130,00 | ×5 |
| ✓ 2 | 3/11/2023 | 4th Tokyo Great Race 128km | 128,00 | ×5 |
| ✓ 3 | 5/11/2022 | 3rd Tokyo Great Race 128km | 128,00 | ×5 |
| ✓ 4 | 21/4/2019 | 29th Fuji 5 Lakes 100 km Challenge | 100,00 | ×4 |
| ✓ 5 | 4/6/2017 | 5th Tokyo Shibamata 100 km | 100,00 | ×4 |
| ✓ 6 | 3/6/2018 | 25. Ultramarathon Okumusashi | 78,00 | ×3 |