Da-Lai (白达赖) Bai
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Born : 1983
Cat. M40 Ultrarunner since 2020
9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
20
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
China40,3%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 1 743; Σ finishers = 4 329. 1 743 / 4 329 × 100 = 40.26%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races516 km
Longest race100,0 km
2nd Across Mountains and Seas 100km TrailRun — 16/11/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
9 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 12.04 | 50km | 3rd Shu Road·Qingni Ridge |
12:08:32 h | 167 |
| 2025 | ||||
| 08.11 | 55.3km | 7th Yangxian Trail Challenge - 50km |
11:46:32 h | 406 |
| 17.05 | 50km | 2nd Cftt Shennongjia Mountain Trail Race |
13:24:39 h | 177 |
| 2024 | ||||
| 16.11 | 100km | 2nd Across Mountains and Seas 100km TrailRun |
24:37:48 h | 362 |
| 2023 | ||||
| 11.11 | 60km | 1st Moganshan 100 Ultra Trail |
11:57:35 h | 342 |
| 21.10 | 50.7km | 5th Yunqiu Mountain Trail - MMY 50K |
7:51:42 h | 132 |
| 28.05 | 50km | 8th Chongli Challenge |
7:58:54 h | 39 |
| 01.05 | 50km | 1st Zhuque 50 Trial Race |
8:46:47 h | 91 |
| 2020 | ||||
| 05.12 | 50km | 1st Xing Trail Camp - Gaoya |
8:54:05 h | 36 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 16/11/2024 | 2nd Across Mountains and Seas 100km TrailRun | 100,00 | ×5 |
| ✓ 2 | 11/11/2023 | 1st Moganshan 100 Ultra Trail | 60,00 | ×3 |
| ✓ 3 | 8/11/2025 | 7th Yangxian Trail Challenge - 50km | 55,30 | ×2 |
| ✓ 4 | 21/10/2023 | 5th Yunqiu Mountain Trail - MMY 50K | 50,70 | ×2 |
| ✓ 5 | 12/4/2026 | 3rd Shu Road·Qingni Ridge | 50,00 | ×2 |
| ✓ 6 | 17/5/2025 | 2nd Cftt Shennongjia Mountain Trail Race | 50,00 | ×2 |
| ✓ 7 | 28/5/2023 | 8th Chongli Challenge | 50,00 | ×2 |
| ✓ 8 | 1/5/2023 | 1st Zhuque 50 Trial Race | 50,00 | ×2 |
| ✓ 9 | 5/12/2020 | 1st Xing Trail Camp - Gaoya | 50,00 | ×2 |