Keitaro (盛島経太郎) Morishima
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18
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
35
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
2
Countries visited ?
Italy
Japan
49,7%
Rank quotient ?This runner's calculation uses 18 eligible race(s): Σ(rank − 1) = 5 976; Σ finishers = 12 019. 5 976 / 12 019 × 100 = 49.72%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed18
Km — ultra races1 548 km
> 100 km6
> 160 km1
Longest race167,0 km
11th Ultra-Trail Mt. Fuji (UTMF) — 24/4/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road6,5%
Trail93,5%
Records
HISTORY
18 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 24/4/2026 | 11th Ultra-Trail Mt. Fuji (UTMF) | 167,00 | ×4 |
| ✓ 2 | 24/8/2026 | 16ème Sur les Traces des Ducs de Savoie (TDS) | 153,00 | ×4 |
| ✓ 3 | 11/5/2024 | 2nd Aso Volcano Trail | 115,10 | ×3 |
| ✓ 4 | 15/9/2024 | 16th Shinetsu Five Mountains Trail 110km | 109,00 | ×3 |
| ✓ 5 | 13/5/2023 | 1st Aso Volcano Trail | 105,00 | ×3 |
| ✓ 6 | 5/3/2022 | 1st Kumagawa Revival Trail | 101,00 | ×2 |
| ✓ 7 | 5/3/2017 | 3rd Nagoura Marathon 100 km | 100,00 | ×2 |
| ✓ 8 | 8/12/2019 | 6th Izu Trail Journey | 71,70 | ×2 |
| ✓ 9 | 8/12/2024 | 11th Izu Trail Journey | 70,00 | ×2 |
| ✓ 10 | 10/12/2023 | 10th Izu Trail Journey | 70,00 | ×2 |
| ✓ 11 | 11/12/2022 | 9th Izu Trail Journey | 70,00 | ×2 |
| ✓ 12 | 12/12/2021 | 8th Izu Trail Journey | 69,10 | ×1 |
| ✓ 13 | 13/12/2020 | 7th Izu Trail Journey | 66,00 | ×1 |
| ✓ 14 | 14/7/2024 | 15th Nozawa Onsen 4100D Mountain Trail Pair | 65,00 | ×1 |
| ✓ 15 | 19/5/2019 | 4th Osorakan-Trail | 65,00 | ×1 |
| ✓ 16 | 27/5/2018 | 3rd Rokko 5 Peaks Trail Race | 51,90 | ×1 |
| ✓ 17 | 11/8/2024 | 3rd Yacchiro Dragon Trail | 50,00 | ×1 |
| ✓ 18 | 2/11/2025 | 2nd Sea Alps Trail Journey | 49,00 | ×1 |