Yukari (清宮由香里) Seimiya
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Born : 1989
Cat. W35 Ultrarunner since 2019
18
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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 ?Japan
South Korea
JapanSouth Korea5,0%
Rank quotient ?This runner's calculation uses 18 eligible race(s): Σ(rank − 1) = 871; Σ finishers = 17 444. 871 / 17 444 × 100 = 4.99%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed18
Km — ultra races1 909 km
> 100 km5
> 160 km4
Longest race169,0 km
5th Lake Biwa 100 — 10/10/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road40,8%
Trail59,2%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F6
🏅 Top 31
🏅 Top 3 F11
Longest winning streak0
Current streak0
HISTORY
18 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 10/10/2025 | 5th Lake Biwa 100 | 169,00 | ×4 |
| ✓ 2 | 25/4/2025 | 10th Ultra-Trail Mt. Fuji (UTMF) | 167,00 | ×4 |
| ✓ 3 | 26/4/2024 | 9th Ultra-Trail Mt. Fuji (UTMF) | 167,00 | ×4 |
| ✓ 4 | 14/9/2024 | 16th Shinetsu Five Mountains Trail 100 mile | 163,10 | ×4 |
| ✓ 5 | 17/9/2023 | 15th Shinetsu Five Mountains Trail 110km | 110,00 | ×2 |
| ✓ 6 | 28/6/2026 | 41. Lake Saroma 100 km Ultramarathon | 100,00 | ×2 |
| ✓ 7 | 17/5/2026 | 32th Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 8 | 18/5/2025 | 31th Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 9 | 16/11/2024 | 10th FunTrails100K Round | 100,00 | ×2 |
| ✓ 10 | 30/6/2024 | 39. Lake Saroma 100 km Ultramarathon | 100,00 | ×2 |
| ✓ 11 | 19/5/2024 | 30th Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 12 | 21/5/2023 | 29th Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 13 | 21/4/2019 | 29th Fuji 5 Lakes 100 km Challenge | 100,00 | ×2 |
| ✓ 14 | 26/10/2024 | 1st Asia Pacific Trail Running Championship | 80,00 | ×2 |
| ✓ 15 | 4/6/2023 | 30. Ultramarathon Okumusashi | 78,00 | ×1 |
| ✓ 16 | 10/12/2023 | 10th Izu Trail Journey | 70,00 | ×1 |
| ✓ 17 | 6/6/2026 | 6th Okushinano 100 - 50 km | 52,40 | ×1 |
| ✓ 18 | 8/6/2024 | 4th Okushinano 100 - 50 km | 52,40 | ×1 |