Li-Bo (郭丽波) Guo
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13
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
29,6%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 2 105; Σ finishers = 7 112. 2 105 / 7 112 × 100 = 29.60%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races838 km
Longest race100,0 km
3rd Qingdao Laoshan 100K Ultra Trail — 23/6/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
13 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 23/6/2018 | 3rd Qingdao Laoshan 100K Ultra Trail | 100,00 | ×4 |
| ✓ 2 | 14/10/2017 | 5th Ninghai Ultra Trail - 100km | 100,00 | ×4 |
| ✓ 3 | 11/4/2026 | 4th Ultra Trail XiaHuaYuan 100km | 99,20 | ×3 |
| ✓ 4 | 12/7/2025 | 9th Columbia 70 Ultra Trail Chongli Challenge Race | 70,00 | ×2 |
| ✓ 5 | 22/4/2017 | 3rd Ultimate Tsaigu Trail Kuocang - 60 km | 62,00 | ×2 |
| ✓ 6 | 4/9/2016 | 2nd Trail Mt Wugong | 56,50 | ×2 |
| ✓ 7 | 13/9/2025 | 5th Ultra Trail Shennongjia 50 km Salt Road Challenge | 50,00 | ×2 |
| ✓ 8 | 16/8/2025 | 6th Ultra Trail Mount Haituo - UTMH 50km | 50,00 | ×2 |
| ✓ 9 | 24/5/2025 | 7th Baturu Trail Mt. Guanmen 50km | 50,00 | ×2 |
| ✓ 10 | 12/4/2025 | 3rd Ultra Trail XiaHuaYuan 50km | 50,00 | ×2 |
| ✓ 11 | 20/10/2024 | 3rd ULTRA Beijing Labagou Red Maple | 50,00 | ×2 |
| ✓ 12 | 8/9/2024 | 1st Shulin Grassland 100 | 50,00 | ×2 |
| ✓ 13 | 22/4/2018 | 10th The North Face 50 China | 50,00 | ×2 |