Jian-Ming (刘建明) Liu
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Born : 1978
Cat. M45 Ultrarunner since 2016
6
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
China43,8%
Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 535; Σ finishers = 1 222. 535 / 1 222 × 100 = 43.78%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed6
Km — ultra races300 km
Longest race52,0 km
1st Qinling Int. Trail 52km — 2/6/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
6 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2018 | ||||
| 02.06 | 52km | 1st Qinling Int. Trail 52km |
13:20:54 h | 84 |
| 14.04 | 50km | 4th Jiangnan 100 Ultra Trail - 50km |
8:04:51 h | 104 |
| 04.03 | 47.9km | 2nd Nanjing Laoshan National Forest Park 50 Cross |
9:48:43 h | 220 |
| 2017 | ||||
| 18.11 | 50km | 1st Mt. Huaguo 50 Trail |
11:13:41 h | 73 |
| 28.10 | 50km | 2nd Dasong 50 |
14:19:48 h | 25 |
| 2016 | ||||
| 03.07 | 50km | 1st Taiyuan Ancient Road 50 Trail |
8:34:56 h | 35 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 2/6/2018 | 1st Qinling Int. Trail 52km | 52,00 | ×3 |
| ✓ 2 | 14/4/2018 | 4th Jiangnan 100 Ultra Trail - 50km | 50,00 | ×3 |
| ✓ 3 | 18/11/2017 | 1st Mt. Huaguo 50 Trail | 50,00 | ×3 |
| ✓ 4 | 28/10/2017 | 2nd Dasong 50 | 50,00 | ×3 |
| ✓ 5 | 3/7/2016 | 1st Taiyuan Ancient Road 50 Trail | 50,00 | ×3 |
| ✓ 6 | 4/3/2018 | 2nd Nanjing Laoshan National Forest Park 50 Cross | 47,90 | ×2 |