Satoshi (二階堂聡) Nikaido
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Born : 1983
Cat. M40 Ultrarunner since 2019
13
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
Japan17,4%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 1 379; Σ finishers = 7 916. 1 379 / 7 916 × 100 = 17.42%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races909 km
> 100 km3
Longest race109,0 km
14th Shinetsu Five Mountains Trail 110km — 18/9/2022
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
Records
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 24.05 | 50km | 11th Akiyoshidai Karst Trail Run |
5:38:29 h | 3 🥉 |
| 2025 | ||||
| 21.06 | 105km | 1st Kaga Spa by UTMB - Kaga Spa Trail Endurance100 |
22:56:45 h | 171 |
| 2024 | ||||
| 08.12 | 70km | 11th Izu Trail Journey |
9:18:09 h | 148 |
| 06.07 | 50km | 8th Minami-aso caldera Trail Summer |
7:54:08 h | 18 |
| 08.06 | 100.8km | 4th Okushinano 100 |
14:06:21 h | 56 |
| 2023 | ||||
| 10.12 | 70km | 10th Izu Trail Journey |
9:10:36 h | 142 |
| 2022 | ||||
| 18.09 | 109km | 14th Shinetsu Five Mountains Trail 110km |
18:00:57 h | 58 |
| 21.05 | 50km | 8th Mt. Hiei Int. 50 km Trail Run |
7:38:10 h | 47 |
| 23.04 | 69km | 1st KAI 69k |
12:00:10 h | 59 |
| 2021 | ||||
| 12.12 | 69.1km | 8th Izu Trail Journey |
9:08:59 h | 177 |
| 23.07 | 65km | 12th Nozawa Onsen 4100D Mountain Trail |
8:52:26 h | 47 |
| 2020 | ||||
| 18.10 | 54km | 7th Shigakogen Extreme Trail |
9:39:02 h | 137 |
| 2019 | ||||
| 13.10 | 47km | 13th Madarao Forest Trails 50km |
8:27:14 h | 329 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 18/9/2022 | 14th Shinetsu Five Mountains Trail 110km | 109,00 | ×4 |
| ✓ 2 | 21/6/2025 | 1st Kaga Spa by UTMB - Kaga Spa Trail Endurance100 | 105,00 | ×4 |
| ✓ 3 | 8/6/2024 | 4th Okushinano 100 | 100,80 | ×3 |
| ✓ 4 | 8/12/2024 | 11th Izu Trail Journey | 70,00 | ×2 |
| ✓ 5 | 10/12/2023 | 10th Izu Trail Journey | 70,00 | ×2 |
| ✓ 6 | 12/12/2021 | 8th Izu Trail Journey | 69,10 | ×2 |
| ✓ 7 | 23/4/2022 | 1st KAI 69k | 69,00 | ×2 |
| ✓ 8 | 23/7/2021 | 12th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×2 |
| ✓ 9 | 18/10/2020 | 7th Shigakogen Extreme Trail | 54,00 | ×2 |
| ✓ 10 | 24/5/2026 | 11th Akiyoshidai Karst Trail Run | 50,00 | ×1 |
| ✓ 11 | 6/7/2024 | 8th Minami-aso caldera Trail Summer | 50,00 | ×1 |
| ✓ 12 | 21/5/2022 | 8th Mt. Hiei Int. 50 km Trail Run | 50,00 | ×1 |
| ✓ 13 | 13/10/2019 | 13th Madarao Forest Trails 50km | 47,00 | ×1 |