Yuichi (関裕一) Seki
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Born : 1975
Cat. M50 Ultrarunner since 2017
16
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
3
Countries visited ?
France
ItalyJapan
FranceItalyJapan28,5%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 3 268; Σ finishers = 11 474. 3 268 / 11 474 × 100 = 28.48%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 443 km
> 100 km6
> 160 km2
Longest race166,0 km
27ème Grand Raid Réunion - La Diagonale des Fous — 17/10/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road3,9%
Trail96,1%
HISTORY
16 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 17/10/2019 | 27ème Grand Raid Réunion - La Diagonale des Fous | 166,00 | ×4 |
| ✓ 2 | 14/9/2019 | 11th Shinetsu Five Mountains Trail 100 mile | 160,93 | ×4 |
| ✓ 3 | 11/5/2019 | 3rd Aso Round Trail | 121,00 | ×3 |
| ✓ 4 | 29/8/2018 | 9ème Sur les Traces des Ducs de Savoie (TDS) | 119,00 | ×3 |
| ✓ 5 | 12/5/2018 | 2nd Aso Round Trail | 108,70 | ×3 |
| ✓ 6 | 11/6/2022 | 2nd Okushinano 100 | 100,80 | ×2 |
| ✓ 7 | 30/6/2018 | 8th Utsukushigahara 80 km Trail Run | 80,00 | ×2 |
| ✓ 8 | 1/10/2017 | 2nd Shinjo-Hiruzen Super Trail | 74,50 | ×2 |
| ✓ 9 | 25/6/2017 | 4. Spatrail - Shima to Kusatsu | 72,70 | ×2 |
| ✓ 10 | 10/12/2017 | 4th Izu Trail Journey | 71,70 | ×2 |
| ✓ 11 | 9/10/2022 | 30th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 12 | 7/10/2018 | 26th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 13 | 6/11/2022 | 6th Koshu Alps Haute Route Challenge | 68,00 | ×1 |
| ✓ 14 | 14/11/2021 | 6th Nikko National Park Mountain Running | 56,00 | ×1 |
| ✓ 15 | 17/9/2017 | 9th Shinetsu Five Mountains Trail 110km | 52,00 | ×1 |
| ✓ 16 | 29/4/2017 | 10th Ishioka Trail Run | 49,00 | ×1 |