Tao (海涛) Hai
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12
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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
50,6%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 1 720; Σ finishers = 3 397. 1 720 / 3 397 × 100 = 50.63%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed12
Km — ultra races857 km
> 100 km1
> 160 km1
Longest race160,9 km
7th Jiangnan 100 Ultra Trail - 100mi — 16/4/2021
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road5,8%
Trail94,2%
HISTORY
12 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 16/4/2021 | 7th Jiangnan 100 Ultra Trail - 100mi | 160,93 | ×6 |
| ✓ 2 | 21/11/2020 | 6th Wuyishan Trail Race 100 km | 100,00 | ×3 |
| ✓ 3 | 14/12/2019 | 4th Engine Bird Chuxiong - Mt. Zixi Trail | 70,00 | ×2 |
| ✓ 4 | 30/11/2019 | 3rd TNF 100 Ultra Trail Challenge Moganshan | 70,00 | ×2 |
| ✓ 5 | 18/8/2019 | 3rd Puer Sun River Mountain Marathon 70 km | 70,00 | ×2 |
| ✓ 6 | 1/1/2026 | 1st Xishuangbanna 60km | 60,00 | ×2 |
| ✓ 7 | 8/12/2018 | 3rd Engine Bird Chuxiong - Mt. Zixi Trail | 60,00 | ×2 |
| ✓ 8 | 28/6/2025 | 1st Yibao Yunnan Tea Horse 100 Cross-Country Challenge | 58,00 | ×2 |
| ✓ 9 | 29/3/2025 | 6th Mt. Gaoligong - Tea & Horse Trail | 54,72 | ×2 |
| ✓ 10 | 21/9/2019 | 3rd Yuxi Luohe Trail Run | 53,00 | ×2 |
| ✓ 11 | 2/6/2025 | 1st Trail Shambhala | 50,00 | ×1 |
| ✓ 12 | 30/9/2017 | Fuxian Lake Highland Ultramarathon 50K - Open race | 50,00 | ×1 |