Yu-Hua (杨玉华) Yang
External sources
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5
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
16
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
Japan
58,3%
Rank quotient ?This runner's calculation uses 5 eligible race(s): Σ(rank − 1) = 1 300; Σ finishers = 2 228. 1 300 / 2 228 × 100 = 58.35%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed5
Km — ultra races282 km
Longest race64,0 km
6th GZ100 Guangzhou - 60 km Run — 20/1/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road39,7%
Trail60,3%
Records
HISTORY
5 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 20.04 | 62km | 10:16:04 h | 726 | |
| 2024 | ||||
| 20.01 | 64km | 13:49:19 h | 355 | |
| 2020 | ||||
| 05.09 | 56km | 13:20:17 h | 174 | |
| 2018 | ||||
| 11.08 | 50km | 8:33:39 h | 18 | |
| 2017 | ||||
| 30.09 | 50km | 5:18:26 h | 32 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 20/1/2024 | 6th GZ100 Guangzhou - 60 km Run | 64,00 | ×4 |
| ✓ 2 | 20/4/2025 | 35th Fuji 3 Lakes 62 km Challenge | 62,00 | ×3 |
| ✓ 3 | 5/9/2020 | 6th Trail Mt Wugong 56 km | 56,00 | ×3 |
| ✓ 4 | 11/8/2018 | 2nd Mt. Wumeng Ultra Trail 50km | 50,00 | ×3 |
| ✓ 5 | 30/9/2017 | Fuxian Lake Highland Ultramarathon 50K - Open race | 50,00 | ×3 |