Shoichiro (中山昇一朗) Nakayama
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5
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
16
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
55,0%
Rank quotient ?This runner's calculation uses 5 eligible race(s): Σ(rank − 1) = 1 690; Σ finishers = 3 071. 1 690 / 3 071 × 100 = 55.03%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed5
Km — ultra races317 km
Longest race100,0 km
15th Iwate Ginga 100km Marathon Challenge — 9/6/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road31,6%
Trail68,4%
Records
HISTORY
5 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2019 | ||||
| 09.06 | 100km | 11:06:32 h | 142 | |
| 2018 | ||||
| 08.09 | 49.8km | 9:56:43 h | 201 | |
| 29.04 | 46km | 6:20:14 h | 29 | |
| 2017 | ||||
| 08.10 | 71.5km | 18:33:50 h | 1100 | |
| 03.09 | 49.6km | 9:23:30 h | 223 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 9/6/2019 | 15th Iwate Ginga 100km Marathon Challenge | 100,00 | ×6 |
| ✓ 2 | 8/10/2017 | 25th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×4 |
| ✓ 3 | 8/9/2018 | 6th Trainic world Soto-Chichibu Trail Run 50km | 49,80 | ×3 |
| ✓ 4 | 3/9/2017 | 6th Trainic world Ogose-Tokigawa Trail Run 50km | 49,60 | ×3 |
| ✓ 5 | 29/4/2018 | 11th Ishioka Trail Run | 46,00 | ×2 |