Mitsuru (角井充) Tsunoi
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Born : 1972
Cat. M50 Ultrarunner since 2021
18
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
47
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
Japan29,4%
Rank quotient ?This runner's calculation uses 18 eligible race(s): Σ(rank − 1) = 2 371; Σ finishers = 8 075. 2 371 / 8 075 × 100 = 29.36%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed18
Km — ultra races2 668 km
> 100 km14
> 160 km10
> 200 km2
Longest race330,0 km
2nd Tokai Peninsura Giant Trail 330 — 31/10/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road18,0%
Trail82,0%
Records
HISTORY
18 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 31/10/2025 | 2nd Tokai Peninsura Giant Trail 330 | 330,00 | ×7 |
| ✓ 2 | 3/5/2025 | 2nd World Heritage Pilgrimage Triangle 225km | 225,00 | ×4 |
| ✓ 3 | 15/3/2025 | 15th Little Edo Oedo 200k | 200,00 | ×4 |
| ✓ 4 | 26/4/2024 | 9th Ultra-Trail Mt. Fuji (UTMF) | 167,00 | ×3 |
| ✓ 5 | 21/4/2023 | 8th Ultra-Trail Mt. Fuji (UTMF) | 167,00 | ×3 |
| ✓ 6 | 26/6/2026 | 5th Deep Japan Ultra 100 - 165 km | 165,00 | ×3 |
| ✓ 7 | 14/9/2024 | 16th Shinetsu Five Mountains Trail 100 mile | 163,10 | ×3 |
| ✓ 8 | 16/9/2023 | 15th Shinetsu Five Mountains Trail 100 mile | 162,60 | ×3 |
| ✓ 9 | 13/9/2025 | 17th Shinetsu Five Mountains Trail 100 mile | 162,20 | ×3 |
| ✓ 10 | 8/10/2022 | 8th OSJ Koumi 100 | 160,93 | ×3 |
| ✓ 11 | 29/12/2024 | 5th Kyoto Great Round 130 km | 130,00 | ×2 |
| ✓ 12 | 16/7/2023 | 15th OSJ Ontake 100km Ultra Trail | 109,20 | ×2 |
| ✓ 13 | 16/7/2022 | 14th OSJ Ontake 100km Ultra Trail | 106,50 | ×2 |
| ✓ 14 | 22/8/2025 | 12th World Cultural Heritage "Fuji" Foot Race | 101,00 | ×2 |
| ✓ 15 | 9/3/2024 | 14th Little Edo 90k | 90,00 | ×1 |
| ✓ 16 | 11/3/2023 | 13th Little Edo 90k | 90,00 | ×1 |
| ✓ 17 | 12/12/2021 | 8th Izu Trail Journey | 69,10 | ×1 |
| ✓ 18 | 23/4/2022 | 1st KAI 69k | 69,00 | ×1 |