Akihiro (古平晃洋) Furuhira
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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
2
Countries visited ?
Australia
Japan
49,4%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 5 187; Σ finishers = 10 494. 5 187 / 10 494 × 100 = 49.43%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 622 km
> 100 km5
> 160 km2
> 200 km1
Longest race204,0 km
8th Little Edo Oedo 200k — 3/3/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road43,2%
Trail56,8%
HISTORY
16 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 3/3/2018 | 8th Little Edo Oedo 200k | 204,00 | ×5 |
| ✓ 2 | 14/9/2019 | 11th Shinetsu Five Mountains Trail 100 mile | 160,93 | ×4 |
| ✓ 3 | 6/4/2024 | 3rd Yagurazawa Round Trip Pre-Tournament | 160,00 | ×4 |
| ✓ 4 | 17/4/2022 | 32th Fuji 5 Lakes 118 km Challenge | 118,00 | ×3 |
| ✓ 5 | 19/4/2015 | 25th Fuji 5 Lakes 118 km Challenge | 118,00 | ×3 |
| ✓ 6 | 29/10/2022 | 14th Ultra-Trail Australia 100 km | 100,00 | ×2 |
| ✓ 7 | 21/5/2017 | 23rd Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 8 | 22/5/2016 | 22nd Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 9 | 11/1/2015 | 25th Miyako 100 km Ultramarathon | 100,00 | ×2 |
| ✓ 10 | 25/6/2017 | 4. Spatrail - Shima to Kusatsu | 72,70 | ×2 |
| ✓ 11 | 10/12/2017 | 4th Izu Trail Journey | 71,70 | ×2 |
| ✓ 12 | 8/10/2017 | 25th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 13 | 14/7/2018 | 9th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×1 |
| ✓ 14 | 15/7/2017 | 8th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×1 |
| ✓ 15 | 16/7/2016 | 7th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×1 |
| ✓ 16 | 13/11/2016 | 8th Kanna Mountain Run | 50,00 | ×1 |