Rong-Wei (梁荣威) Liang
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11
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
32
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
51,1%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 2 576; Σ finishers = 5 039. 2 576 / 5 039 × 100 = 51.12%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed11
Km — ultra races1 125 km
> 100 km3
> 160 km1
Longest race160,9 km
3rd Chengdu Trail — 27/3/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
HISTORY
11 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 27/3/2026 | 3rd Chengdu Trail | 160,93 | ×5 |
| ✓ 2 | 18/4/2025 | 7th Yunqiu Mountain Trail - UMY 100M | 159,20 | ×4 |
| ✓ 3 | 1/11/2025 | 10th Ultimate Tsaigu Trail Kuocang - 105 km | 105,00 | ×3 |
| ✓ 4 | 24/10/2025 | 3rd Moganshan 100 Ultra Trail | 100,00 | ×3 |
| ✓ 5 | 31/5/2025 | 3rd Weihai Ultra Trail 100km | 100,00 | ×3 |
| ✓ 6 | 21/9/2024 | 12th The North Face 100 China | 100,00 | ×3 |
| ✓ 7 | 12/7/2024 | 8th Columbia 100 Ultra Trail Chongli Challenge Race | 100,00 | ×3 |
| ✓ 8 | 8/6/2024 | 2nd Weihai Ultra Trail 100km | 100,00 | ×3 |
| ✓ 9 | 9/9/2023 | 1st Weihai Ultra Trail 100km | 100,00 | ×3 |
| ✓ 10 | 1/5/2023 | 1st Zhuque 50 Trial Race | 50,00 | ×1 |
| ✓ 11 | 7/9/2024 | 2nd China 4 Mythical Beasts Ultra Trail - Zhuque | 49,80 | ×1 |