Yusaku (古橋勇作) Furuhashi
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13
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
34
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
38,5%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 4 257; Σ finishers = 11 050. 4 257 / 11 050 × 100 = 38.52%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races1 347 km
> 100 km6
> 160 km2
Longest race170,0 km
5th Ultra-Trail Mt. Fuji (UTMF) — 27/4/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road14,8%
Trail85,2%
Records
HISTORY
13 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 27/4/2018 | 5th Ultra-Trail Mt. Fuji (UTMF) | 170,00 | ×5 |
| ✓ 2 | 19/5/2018 | 3rd Trainic World 100 Mile in Sai-No-Kuni | 160,93 | ×4 |
| ✓ 3 | 11/9/2016 | 3rd SkyView Ultra-Trail 120 - Yamada Noboru Memorial Cup | 129,00 | ×3 |
| ✓ 4 | 19/7/2015 | 2nd SkyView Ultra-Trail - Yamada Noboru Memorial Cup | 118,00 | ×3 |
| ✓ 5 | 22/9/2015 | 7th Shinetsu Five Mountains Trail 110km | 110,00 | ×3 |
| ✓ 6 | 16/9/2017 | 9th Shinetsu Five Mountains Trail 100 mile | 102,00 | ×3 |
| ✓ 7 | 22/4/2018 | 28th Fuji 5 Lakes 100 km Challenge | 100,00 | ×2 |
| ✓ 8 | 23/4/2017 | 27th Fuji 5 Lakes 100 km Challenge | 100,00 | ×2 |
| ✓ 9 | 28/6/2015 | 2. Spatrail - Shima to Kusatsu | 72,70 | ×2 |
| ✓ 10 | 7/10/2018 | 26th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 11 | 8/10/2017 | 25th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 12 | 9/10/2016 | 24th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 13 | 31/8/2014 | 1st Tsukuba Renjyo 70 km Road & Trail Run | 70,00 | ×2 |