Xiao-Guo (江小国) Jiang
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9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
22
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
40,8%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 1 148; Σ finishers = 2 811. 1 148 / 2 811 × 100 = 40.84%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races587 km
> 100 km2
Longest race111,1 km
1st Chengdu Trail 100+ Challenge - Tuoxia Gorge — 30/11/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
9 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 30/11/2019 | 1st Chengdu Trail 100+ Challenge - Tuoxia Gorge | 111,10 | ×5 |
| ✓ 2 | 21/11/2020 | 2nd Panda Trail by UTMB - MPT 106km | 106,00 | ×4 |
| ✓ 3 | 9/3/2025 | 1st Leshan Shawan Beauty Mountain Ultra Trail | 63,00 | ×2 |
| ✓ 4 | 3/8/2019 | 3rd Maxi-Race China - Zengjia Mountain | 53,00 | ×2 |
| ✓ 5 | 4/11/2023 | 8th Ultra Trail Mt Siguniang 50 km | 52,10 | ×2 |
| ✓ 6 | 20/10/2024 | 2nd Heming Tao Super Mountain Trail | 52,00 | ×2 |
| ✓ 7 | 21/9/2025 | 5th Panda Trail by UTMB - MPT 50km | 50,00 | ×2 |
| ✓ 8 | 29/3/2025 | 2nd Chengdu Trail | 50,00 | ×2 |
| ✓ 9 | 31/3/2024 | 5th Jiezi Ancient Town 50 km Race | 50,00 | ×2 |