Guo-Feng (刘国枫) Liu
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Born : 1977
Cat. M45 Ultrarunner since 2018
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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
China14,2%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 712; Σ finishers = 5 026. 712 / 5 026 × 100 = 14.17%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races697 km
> 100 km3
Longest race159,2 km
7th Yunqiu Mountain Trail - UMY 100M — 18/4/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
HISTORY
8 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 17.01 | 100km | 8th GZ100 Guangzhou - 100 km Run |
16:36:57 h | 48 |
| 2025 | ||||
| 18.04 | 159.2km | 7th Yunqiu Mountain Trail - UMY 100M |
30:51:01 h | 114 |
| 2024 | ||||
| 19.10 | 106km | 10th Ninghai Ultra Trail - 100km |
17:52:25 h | 154 |
| 20.01 | 64km | 6th GZ100 Guangzhou - 60 km Run |
9:14:02 h | 17 |
| 2023 | ||||
| 28.10 | 115km | 8th Ultimate Tsaigu Trail Kuocang - 115 km |
24:39:34 h | 183 |
| 2019 | ||||
| 20.10 | 52km | 2nd Lianshan Int. Trail Challenge |
11:12:09 h | 129 |
| 2018 | ||||
| 24.11 | 50km | 5th Great Walker Guangzhou - 50 km |
10:13:58 h | 21 |
| 31.03 | 51km | 3rd Conghua CH50 - 51 km Run |
11:16:08 h | 54 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 18/4/2025 | 7th Yunqiu Mountain Trail - UMY 100M | 159,20 | ×6 |
| ✓ 2 | 28/10/2023 | 8th Ultimate Tsaigu Trail Kuocang - 115 km | 115,00 | ×4 |
| ✓ 3 | 19/10/2024 | 10th Ninghai Ultra Trail - 100km | 106,00 | ×4 |
| ✓ 4 | 17/1/2026 | 8th GZ100 Guangzhou - 100 km Run | 100,00 | ×4 |
| ✓ 5 | 20/1/2024 | 6th GZ100 Guangzhou - 60 km Run | 64,00 | ×2 |
| ✓ 6 | 20/10/2019 | 2nd Lianshan Int. Trail Challenge | 52,00 | ×2 |
| ✓ 7 | 31/3/2018 | 3rd Conghua CH50 - 51 km Run | 51,00 | ×2 |
| ✓ 8 | 24/11/2018 | 5th Great Walker Guangzhou - 50 km | 50,00 | ×2 |