Xu-Dong (裘旭东) Qiu
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Born : 1975
Cat. M50 Ultrarunner since 2016
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
22
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
China27,2%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 460; Σ finishers = 1 694. 460 / 1 694 × 100 = 27.15%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races577 km
> 100 km1
Longest race105,0 km
2nd MaXi Race China Jiangshan 105 km — 23/9/2017
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road26,0%
Trail74,0%
Records
HISTORY
8 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2020 | ||||
| 20.12 | 49km | 4th Road of Tang Poetry - Shaoxing |
7:50:37 h | 106 |
| 2019 | ||||
| 02.03 | 96.7km | 3rd Nanjing Laoshan National Forest Park 100 Cross |
22:10:42 h | 140 |
| 01.01 | 50km | 3rd Xinchang Ultra 50km |
5:05:49 h | 19 |
| 2018 | ||||
| 02.12 | 60km | 5th 9 Long Lake Trail |
8:07:44 h | 23 |
| 03.10 | 100km | 1st Didang Lake 100 km Super Marathon Challenge |
9:54:35 h | 4 |
| 2017 | ||||
| 23.09 | 105km | 2nd MaXi Race China Jiangshan 105 km |
28:16:19 h | 64 |
| 15.04 | 66km | 3rd Jiangnan 100 Ultra Trail - 66km |
16:40:27 h | 78 |
| 2016 | ||||
| 24.09 | 50km | 5th Jiwu Hangzhou 50K |
11:08:31 h | 34 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 23/9/2017 | 2nd MaXi Race China Jiangshan 105 km | 105,00 | ×4 |
| ✓ 2 | 3/10/2018 | 1st Didang Lake 100 km Super Marathon Challenge | 100,00 | ×4 |
| ✓ 3 | 2/3/2019 | 3rd Nanjing Laoshan National Forest Park 100 Cross | 96,70 | ×4 |
| ✓ 4 | 15/4/2017 | 3rd Jiangnan 100 Ultra Trail - 66km | 66,00 | ×3 |
| ✓ 5 | 2/12/2018 | 5th 9 Long Lake Trail | 60,00 | ×2 |
| ✓ 6 | 1/1/2019 | 3rd Xinchang Ultra 50km | 50,00 | ×2 |
| ✓ 7 | 24/9/2016 | 5th Jiwu Hangzhou 50K | 50,00 | ×2 |
| ✓ 8 | 20/12/2020 | 4th Road of Tang Poetry - Shaoxing | 49,00 | ×2 |