Feng (郭峰) Guo
External sources
Loading FFA
Loading MV
FFA diagnostics
Run “Search / refresh FFA” to see each season, HTTP response, candidate and DUV comparison.
MarathonView diagnostics
Run “Refresh MV” to see login, session validation and parser status.
Cached locally. Empty refreshes never erase the last valid snapshot.
Born : 1978
Cat. M45 Ultrarunner since 2019
6
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
20
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
China41,6%
Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 807; Σ finishers = 1 942. 807 / 1 942 × 100 = 41.56%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed6
Km — ultra races492 km
Longest race100,0 km
6th Ultra Trail Mount Haituo - UTMH 100km — 16/8/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road10,2%
Trail89,8%
Records
HISTORY
6 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 16.08 | 100km | 6th Ultra Trail Mount Haituo - UTMH 100km |
19:47:29 h | 50 |
| 31.05 | 100km | 3rd Weihai Ultra Trail 100km |
17:10:39 h | 58 |
| 2023 | ||||
| 07.07 | 100km | 7th Columbia 100 Ultra Trail Chongli Challenge Race |
23:56:05 h | 383 |
| 2020 | ||||
| 01.01 | 51km | 1st Taihang Mountain Ultra Trail - Jue Shan |
8:59:01 h | 100 |
| 2019 | ||||
| 07.12 | 50km | 2nd The Bund, Shanghai 50km |
10:33:20 h | 170 |
| 08.11 | 91km | 3rd Mt. Huaguo 100 Trail |
28:04:50 h | 52 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 16/8/2025 | 6th Ultra Trail Mount Haituo - UTMH 100km | 100,00 | ×5 |
| ✓ 2 | 31/5/2025 | 3rd Weihai Ultra Trail 100km | 100,00 | ×5 |
| ✓ 3 | 7/7/2023 | 7th Columbia 100 Ultra Trail Chongli Challenge Race | 100,00 | ×5 |
| ✓ 4 | 8/11/2019 | 3rd Mt. Huaguo 100 Trail | 91,00 | ×4 |
| ✓ 5 | 1/1/2020 | 1st Taihang Mountain Ultra Trail - Jue Shan | 51,00 | ×2 |
| ✓ 6 | 7/12/2019 | 2nd The Bund, Shanghai 50km | 50,00 | ×2 |