Takahiro (清水崇弘) Shimizu
External sources
Loading FFA
Loading MV
FFA diagnostics
Run “Search / refresh FFA” to see each season, HTTP response, candidate and DUV comparison.
MarathonView diagnostics
Run “Refresh MV” to see login, session validation and parser status.
Cached locally. Empty refreshes never erase the last valid snapshot.
Born : 1974
Cat. M50 Ultrarunner since 2019
16
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
36
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
Japan42,3%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 3 333; Σ finishers = 7 887. 3 333 / 7 887 × 100 = 42.26%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 612 km
> 100 km5
> 160 km3
Longest race200,0 km
14th Little Edo Oedo 200k — 9/3/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road84,2%
Trail15,8%
Records
HISTORY
16 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 9/3/2024 | 14th Little Edo Oedo 200k | 200,00 | ×5 |
| ✓ 2 | 11/3/2023 | 13th Little Edo Oedo 200k | 200,00 | ×5 |
| ✓ 3 | 27/2/2021 | 11th Little Edo Oedo 200k | 200,00 | ×5 |
| ✓ 4 | 20/4/2025 | 35th Fuji 5 Lakes Sparta Challenge | 120,00 | ×3 |
| ✓ 5 | 20/6/2026 | 2nd Kaga Spa by UTMB - Kaga Spa Trail Endurance100 | 105,00 | ×2 |
| ✓ 6 | 19/5/2024 | 30th Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 7 | 17/4/2022 | 32th Fuji 5 Lakes 100 km Challenge | 100,00 | ×2 |
| ✓ 8 | 19/5/2019 | 7th Tokyo Shibamata 100 km | 100,00 | ×2 |
| ✓ 9 | 4/7/2021 | 27th 8-Hour Endurance Race Tokorozawa | 78,40 | ×2 |
| ✓ 10 | 4/6/2023 | 30. Ultramarathon Okumusashi | 78,00 | ×2 |
| ✓ 11 | 3/7/2022 | 28th 8-Hour Endurance Race Tokorozawa | 63,70 | ×1 |
| ✓ 12 | 22/8/2020 | 1st Toda Aya Lake Ultra Marathon | 63,70 | ×1 |
| ✓ 13 | 1/7/2023 | 29th 8-Hour Endurance Race Tokorozawa | 53,90 | ×1 |
| ✓ 14 | 5/10/2025 | 13th Trainic world Ogose-Tokigawa Trail Run 50km | 51,40 | ×1 |
| ✓ 15 | 28/4/2024 | 17th Ishioka Trail Run | 50,00 | ×1 |
| ✓ 16 | 28/8/2022 | 9th Tsukuba Renjyo 48 km Road & Trail Run | 48,00 | ×1 |