Xiao-Liang (丁晓亮) Ding
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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.
27
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
33,5%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 3 422; Σ finishers = 10 230. 3 422 / 10 230 × 100 = 33.45%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 012 km
Longest race100,0 km
7th Baturu Trail Mt. Guanmen 100km — 23/5/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
16 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 23/5/2025 | 7th Baturu Trail Mt. Guanmen 100km | 100,00 | ×3 |
| ✓ 2 | 12/7/2019 | 3rd Columbia 100 Ultra Trail Chongli Challenge Race | 100,00 | ×3 |
| ✓ 3 | 16/4/2021 | 7th Jiangnan 100 Ultra Trail - 85km | 85,00 | ×3 |
| ✓ 4 | 14/7/2018 | 2nd Columbia 70 Ultra Trail Chongli Challenge Race | 70,00 | ×2 |
| ✓ 5 | 17/9/2023 | 3rd Ultra Trail Shennongjia 65 km Salt Road Challenge | 67,30 | ×2 |
| ✓ 6 | 20/1/2024 | 6th GZ100 Guangzhou - 60 km Run | 64,00 | ×2 |
| ✓ 7 | 19/10/2019 | 4th MaXi Race China Jiangshan 60 km | 60,00 | ×2 |
| ✓ 8 | 31/3/2024 | 3rd Welnig Golden Coast Run | 55,00 | ×2 |
| ✓ 9 | 22/10/2023 | 6th China 100 mountain cross - 55 km Chengdu | 55,00 | ×2 |
| ✓ 10 | 1/6/2019 | 4th Mount Zu Trail Qinhuangdao 55km | 55,00 | ×2 |
| ✓ 11 | 27/10/2019 | 1st The North Face 100 Challenge Shenyang - 50km | 52,00 | ×1 |
| ✓ 12 | 1/11/2025 | 10th Ultimate Tsaigu Trail Kuocang - 50 km | 50,00 | ×1 |
| ✓ 13 | 30/8/2025 | 1st Outopia Chongli 100 trail 50km | 50,00 | ×1 |
| ✓ 14 | 27/8/2023 | 4th Mt.Tianzi 50k | 50,00 | ×1 |
| ✓ 15 | 22/4/2018 | 10th The North Face 50 China | 50,00 | ×1 |
| ✓ 16 | 4/11/2017 | 2nd China 100 mountain cross - 50 km Jigong Mountain | 49,00 | ×1 |