Sheng-Nan (周胜男) Zhou
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12
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
34
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
74,7%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 1 622; Σ finishers = 2 171. 1 622 / 2 171 × 100 = 74.71%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed12
Km — ultra races1 427 km
> 100 km6
> 160 km2
> 200 km1
> 24h1
Longest race333,0 km
3rd Mt. Wumeng Ultra Trail 333km — 11/5/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road7,3%
Trail92,7%
HISTORY
12 race(s) · 5 split(s) nested| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 11/5/2019 | 3rd Mt. Wumeng Ultra Trail 333km | 333,00 | ×9 |
| ✓ 2 | 17/6/2017 | 1st Xtrail Kanas 168 km Ultra-Trail Run | 168,00 | ×4 |
| ✓ 3 | 20/4/2019 | 5th Ultimate Tsaigu Trail Kuocang - 110 km | 110,00 | ×3 |
| ✓ 4 | 13/4/2019 | 5th Jiangnan 100 Ultra Trail - 110km | 110,00 | ×3 |
| ✓ 5 | 9/12/2017 | 1st Hangzhou ultramarathon 24H race | 104,50 | ×3 |
| ✓ 6 | 4/11/2017 | 2nd China 100 mountain cross - 100 km Jigong Mountain | 101,00 | ×2 |
| ✓ 7 | 6/5/2017 | 2nd XTrail Wulong 100K | 100,00 | ×2 |
| ✓ 8 | 16/4/2016 | 1st Huangshan 100K | 100,00 | ×2 |
| ✓ 9 | 15/8/2015 | 1st Chongli 100 Ultra Sky Trail Challenge | 100,00 | ×2 |
| ✓ 10 | 9/5/2015 | 7th The North Face 100 China | 100,00 | ×2 |
| ✓ 11 | 8/4/2017 | Ultra Trail Mount Song 50k | 50,00 | ×1 |
| ✓ 12 | 3/9/2016 | 4th Wuyuezhai International Trail Challenge | 50,00 | ×1 |