Xin-Yang (张信阳) Zhang
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.
11
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
45,8%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 1 630; Σ finishers = 3 561. 1 630 / 3 561 × 100 = 45.77%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed11
Km — ultra races810 km
Longest race100,0 km
13th The North Face 100 China — 21/9/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
11 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 21.09 | 100km | 29:02:54 h | 418 | |
| 01.06 | 50km | 11:23:14 h | 288 | |
| 2024 | ||||
| 15.11 | 100km | 24:14:06 h | 109 | |
| 08.06 | 50km | 9:40:55 h | 106 | |
| 2023 | ||||
| 09.09 | 50km | 15:43:24 h | 275 | |
| 08.04 | 60km | 12:29:46 h | 77 | |
| 2020 | ||||
| 06.10 | 50km | 11:25:48 h | 106 | |
| 2019 | ||||
| 26.10 | 100km | 25:49:33 h | 131 | |
| 2018 | ||||
| 23.06 | 100km | 23:23:18 h | 43 | |
| 2017 | ||||
| 20.05 | 100km | 19:28:24 h | 46 | |
| 2016 | ||||
| 21.05 | 50km | 10:30:48 h | 42 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 21/9/2025 | 13th The North Face 100 China | 100,00 | ×4 |
| ✓ 2 | 15/11/2024 | 9th Xihong Old Road Ultra Trail - 100 km Autumn | 100,00 | ×4 |
| ✓ 3 | 26/10/2019 | 4th Qingdao Laoshan 100K Ultra Trail | 100,00 | ×4 |
| ✓ 4 | 23/6/2018 | 3rd Qingdao Laoshan 100K Ultra Trail | 100,00 | ×4 |
| ✓ 5 | 20/5/2017 | 2nd Qingdao Laoshan 100K Ultra Trail | 100,00 | ×4 |
| ✓ 6 | 8/4/2023 | 4th Ultra Trail Jinan - 60 km | 60,00 | ×2 |
| ✓ 7 | 1/6/2025 | 3rd Weihai Ultra Trail 50km | 50,00 | ×2 |
| ✓ 8 | 8/6/2024 | 2nd Weihai Ultra Trail 50km | 50,00 | ×2 |
| ✓ 9 | 9/9/2023 | 1st Weihai Ultra Trail 50km | 50,00 | ×2 |
| ✓ 10 | 6/10/2020 | 2nd Ultra Trail Jinan - 50 km | 50,00 | ×2 |
| ✓ 11 | 21/5/2016 | 1st Qingdao Laoshan 50K Ultra Trail | 50,00 | ×2 |