Liang-Bo (陈良波) Chen
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7
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
19
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
45,5%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 570; Σ finishers = 1 254. 570 / 1 254 × 100 = 45.45%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed7
Km — ultra races429 km
> 100 km1
Longest race108,0 km
7th Ninghai Ultra Trail - 100km — 19/10/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road11,7%
Trail88,3%
Records
HISTORY
7 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2019 | ||||
| 19.10 | 108km | 25:29:47 h | 280 | |
| 2018 | ||||
| 11.08 | 60km | 12:35:21 h | 64 | |
| 2017 | ||||
| 23.09 | 60km | 16:00:59 h | 21 | |
| 02.05 | 46km | 10:22:37 h | 41 | |
| 22.04 | 50km | 7:32:15 h | 83 | |
| 2016 | ||||
| 22.10 | 55km | 10:13:34 h | 26 | |
| 24.09 | 50km | 11:57:02 h | 62 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 19/10/2019 | 7th Ninghai Ultra Trail - 100km | 108,00 | ×5 |
| ✓ 2 | 11/8/2018 | 3rd Devil's Ridge Ultra 60K | 60,00 | ×3 |
| ✓ 3 | 23/9/2017 | 2nd MaXi Race China Jiangshan 60 km | 60,00 | ×3 |
| ✓ 4 | 22/10/2016 | 1st The Summit of Jinhuashan 55 km | 55,00 | ×2 |
| ✓ 5 | 22/4/2017 | 3rd Ultimate Tsaigu Trail Kuocang - 50 km | 50,00 | ×2 |
| ✓ 6 | 24/9/2016 | 5th Jiwu Hangzhou 50K | 50,00 | ×2 |
| ✓ 7 | 2/5/2017 | 1st Yading Kora Ultra | 46,00 | ×2 |