Dong-Hua (冯东华) Feng
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15
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
28
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
13,8%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 1 148; Σ finishers = 8 339. 1 148 / 8 339 × 100 = 13.77%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 059 km
> 100 km2
Longest race106,4 km
12th DL100 Ultra Endurance Race — 25/5/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
15 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 25/5/2024 | 12th DL100 Ultra Endurance Race | 106,40 | ×3 |
| ✓ 2 | 22/7/2022 | 6th Columbia 100 Ultra Trail Chongli Challenge Race | 103,00 | ×3 |
| ✓ 3 | 21/9/2024 | 12th The North Face 100 China | 100,00 | ×3 |
| ✓ 4 | 11/4/2026 | 4th Ultra Trail XiaHuaYuan 100km | 99,20 | ×3 |
| ✓ 5 | 28/10/2023 | 8th Ultimate Tsaigu Trail Kuocang - 85 km | 85,00 | ×3 |
| ✓ 6 | 7/11/2020 | 2nd Ultra Trail Mount Haituo - UTMH 70km | 70,00 | ×2 |
| ✓ 7 | 13/7/2019 | 3rd Columbia 70 Ultra Trail Chongli Challenge Race | 70,00 | ×2 |
| ✓ 8 | 24/10/2020 | 1st Discovery The Road | 68,00 | ×2 |
| ✓ 9 | 8/7/2023 | 7th Columbia 57 Ultra Trail Chongli Challenge Race | 57,00 | ×2 |
| ✓ 10 | 13/7/2024 | 8th Columbia 50 Ultra Trail Chongli Challenge Race | 50,00 | ×1 |
| ✓ 11 | 1/10/2022 | 1st BeiJing Xiangshan 50 Ultra Trail | 50,00 | ×1 |
| ✓ 12 | 4/9/2022 | 3rd Beijing Lingshan Trail Race | 50,00 | ×1 |
| ✓ 13 | 16/5/2021 | 6th Jingxigudao Cyclo Cross | 50,00 | ×1 |
| ✓ 14 | 24/8/2019 | 1st Lingshan Cross-Country Race | 50,00 | ×1 |
| ✓ 15 | 1/12/2018 | 3rd Fragrant Mountain Trail | 50,00 | ×1 |