Yi-Jian (余益建) Yu
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19
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
28
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 ?
China
48,0%
Rank quotient ?This runner's calculation uses 19 eligible race(s): Σ(rank − 1) = 1 997; Σ finishers = 4 161. 1 997 / 4 161 × 100 = 47.99%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed19
Km — ultra races1 058 km
Longest race98,0 km
4th Ultra Trail Jiangle 100 km — 19/9/2020
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road4,7%
Trail95,3%
Records
HISTORY
19 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 19/9/2020 | 4th Ultra Trail Jiangle 100 km | 98,00 | ×3 |
| ✓ 2 | 29/11/2020 | 1st Xiamen Beichen Moutain Trail | 64,20 | ×2 |
| ✓ 3 | 19/10/2019 | 4th MaXi Race China Jiangshan 60 km | 60,00 | ×2 |
| ✓ 4 | 18/8/2019 | 2nd Ultra-Trail Jiangle Longqi Mountain | 60,00 | ×2 |
| ✓ 5 | 1/6/2019 | 2nd Mountain Hard China - Guzhang 50 km | 58,00 | ×2 |
| ✓ 6 | 4/9/2016 | 2nd Trail Mt Wugong | 56,50 | ×2 |
| ✓ 7 | 24/10/2020 | 4th China 100 Mountain Cross - 56 km Count | 56,00 | ×2 |
| ✓ 8 | 7/9/2019 | 5th Trail Mt Wugong 56 km | 56,00 | ×2 |
| ✓ 9 | 20/1/2019 | 1st Zhangpu Liangshan Heroes Trail Race | 56,00 | ×2 |
| ✓ 10 | 13/4/2019 | 1st Maxi-Race China - Xixia 50km | 51,00 | ×1 |
| ✓ 11 | 11/12/2016 | 2nd Fujian Five Tigers Trail | 51,00 | ×1 |
| ✓ 12 | 10/3/2024 | 5th Jinjiang 50 | 50,00 | ×1 |
| ✓ 13 | 17/12/2023 | 1st Zhangping Alishan Cross Country Race | 50,00 | ×1 |
| ✓ 14 | 26/12/2021 | 7th Fujian Five Tigers Trail | 50,00 | ×1 |
| ✓ 15 | 31/10/2021 | 2nd Xiamen Aoxi Mountain Trail | 50,00 | ×1 |
| ✓ 16 | 24/4/2021 | 3rd Sea of Azalea Flowers Trail | 50,00 | ×1 |
| ✓ 17 | 16/7/2017 | 1st Ultra Trail Jiangle | 50,00 | ×1 |
| ✓ 18 | 16/12/2018 | 1st Yunding Trail Race | 46,00 | ×1 |
| ✓ 19 | 24/4/2016 | 2nd Daluoshan Trail Run 45K | 45,00 | ×1 |