Xue-Feng (冯学凤) Feng
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Born : 1982
Cat. W40 Ultrarunner since 2017
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
1
Countries visited ?China
China38,7%
Rank quotient ?This runner's calculation uses 5 eligible race(s): Σ(rank − 1) = 1 352; Σ finishers = 3 492. 1 352 / 3 492 × 100 = 38.72%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed5
Km — ultra races264 km
Longest race64,0 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road18,9%
Trail81,1%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F1
Longest winning streak0
Current streak0
Records
HISTORY
5 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 12.07 | 50km | 9th Columbia 50 Ultra Trail Chongli Challenge Race |
10:18:21 h | 756 |
| 29.03 | 50km | 2nd Chengdu Trail |
9:47:18 h | 469 |
| 2023 | ||||
| 20.05 | 64km | 2nd Porter's Trail Running Camp Series - Walk Again Porter's Trail |
10:50:57 h | 24 |
| 2019 | ||||
| 02.11 | 50km | 6th Great Walker Longmen - 50 km |
9:37:08 h | 18 |
| 2017 | ||||
| 30.09 | 50km | Fuxian Lake Highland Ultramarathon 50K - Open race |
6:38:49 h | 90 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 20/5/2023 | 2nd Porter's Trail Running Camp Series - Walk Again Porter's Trail | 64,00 | ×4 |
| ✓ 2 | 12/7/2025 | 9th Columbia 50 Ultra Trail Chongli Challenge Race | 50,00 | ×3 |
| ✓ 3 | 29/3/2025 | 2nd Chengdu Trail | 50,00 | ×3 |
| ✓ 4 | 2/11/2019 | 6th Great Walker Longmen - 50 km | 50,00 | ×3 |
| ✓ 5 | 30/9/2017 | Fuxian Lake Highland Ultramarathon 50K - Open race | 50,00 | ×3 |