Jian (唐剑) Tang
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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.
36
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 ?
China
Hong Kong
22,1%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 1 127; Σ finishers = 5 099. 1 127 / 5 099 × 100 = 22.10%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 679 km
> 100 km6
> 160 km3
Longest race180,0 km
1st Ultra-Trail Huangshan (UTHS) - 180 km — 23/3/2017
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 | 23/3/2017 | 1st Ultra-Trail Huangshan (UTHS) - 180 km | 180,00 | ×5 |
| ✓ 2 | 15/3/2019 | 3rd Ultra-Trail Huangshan (UTHS) - 170 km | 170,00 | ×4 |
| ✓ 3 | 8/8/2020 | 3rd Inner Mongolia 160km Ultra Marathon - Laoniuwan | 165,20 | ×4 |
| ✓ 4 | 15/4/2023 | 9th Ninghai Ultra Trail - 100km | 109,60 | ×3 |
| ✓ 5 | 19/10/2024 | 10th Ninghai Ultra Trail - 100km | 106,00 | ×2 |
| ✓ 6 | 18/10/2025 | 5th MaXi Race China Jiangshan 105 km | 105,00 | ×2 |
| ✓ 7 | 12/3/2016 | 3rd Wendao Ultra Trail HZ100 - 100 km | 100,00 | ×2 |
| ✓ 8 | 17/1/2015 | 5th Hong Kong 100 Ultra Trail Race | 100,00 | ×2 |
| ✓ 9 | 24/5/2014 | 6th The North Face 100 China | 100,00 | ×2 |
| ✓ 10 | 22/3/2014 | 1st Hangzhou 100 Ultra Trail Race | 100,00 | ×2 |
| ✓ 11 | 11/8/2018 | 1st Inner Mongolia 100km Ultra Marathon - Laoniuwan | 96,00 | ×2 |
| ✓ 12 | 12/9/2015 | 2nd Great Walker Beijing - 100 km | 96,00 | ×2 |
| ✓ 13 | 13/4/2019 | 1st Maxi-Race China - Xixia 100km | 95,00 | ×2 |
| ✓ 14 | 20/5/2017 | 4th Tianmu 7 Ultra Skymarathon | 56,00 | ×1 |
| ✓ 15 | 1/1/2019 | 3rd Xinchang Ultra 50km | 50,00 | ×1 |
| ✓ 16 | 18/10/2015 | 1st Qinling 50k Trail | 50,00 | ×1 |