Guang-Hai (郭广海) Guo
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10
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
2
Countries visited ?
China
Hong Kong
61,5%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 3 606; Σ finishers = 5 861. 3 606 / 5 861 × 100 = 61.53%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races687 km
Longest race100,0 km
9th Hong Kong 100 Ultra Trail Race — 19/1/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 17.01 | 64km | 14:29:23 h | 755 | |
| 2025 | ||||
| 22.11 | 50km | 11:40:04 h | 558 | |
| 2024 | ||||
| 09.11 | 50km | 11:51:54 h | 447 | |
| 20.01 | 64km | 15:28:25 h | 582 | |
| 2023 | ||||
| 25.11 | 50km | 13:09:03 h | 539 | |
| 2019 | ||||
| 20.10 | 52km | 10:49:37 h | 98 | |
| 19.01 | 100km | 21:59:46 h | 525 | |
| 2018 | ||||
| 31.03 | 57km | 13:50:58 h | 42 | |
| 2017 | ||||
| 11.11 | 100km | 23:27:00 h | 17 | |
| 26.08 | 100km | 19:01:14 h | 53 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 19/1/2019 | 9th Hong Kong 100 Ultra Trail Race | 100,00 | ×4 |
| ✓ 2 | 11/11/2017 | 1st GZ100 Guangzhou - 100 km Run | 100,00 | ×4 |
| ✓ 3 | 26/8/2017 | 1st Garmin·Xtrail Qilian 100K | 100,00 | ×4 |
| ✓ 4 | 17/1/2026 | 8th GZ100 Guangzhou - 60 km Run | 64,00 | ×2 |
| ✓ 5 | 20/1/2024 | 6th GZ100 Guangzhou - 60 km Run | 64,00 | ×2 |
| ✓ 6 | 31/3/2018 | 3rd Conghua CH50 - 57 km Run | 57,00 | ×2 |
| ✓ 7 | 20/10/2019 | 2nd Lianshan Int. Trail Challenge | 52,00 | ×2 |
| ✓ 8 | 22/11/2025 | 8th Conghua CH50 - 50 km Run | 50,00 | ×2 |
| ✓ 9 | 9/11/2024 | 7th Conghua CH50 - 50 km Run | 50,00 | ×2 |
| ✓ 10 | 25/11/2023 | 6th Conghua CH50 - 50 km Run | 50,00 | ×2 |