Zi-Jun (白子君) Bai
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Born : 1972
Cat. W50 Ultrarunner since 2016
12
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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
China58,8%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 751; Σ finishers = 1 278. 751 / 1 278 × 100 = 58.76%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed12
Km — ultra races1 245 km
> 100 km1
> 160 km1
Longest race168,0 km
2nd Mt. Wumeng Ultra Trail 168km — 11/8/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road16,1%
Trail83,9%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F3
Longest winning streak0
Current streak0
Records
HISTORY
12 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2024 | ||||
| 06.10 | 100km | 2nd Ultra Trail XiaHuaYuan 100km |
23:03:13 h | 88 |
| 2023 | ||||
| 29.07 | 100km | 4th Ultra Trail Challenge Bailidujuan 100 |
22:30:26 h | 158 |
| 2019 | ||||
| 27.07 | 100km | 3rd X Trail - Gangshika 100 km |
26:12:13 h | 126 |
| 2018 | ||||
| 11.08 | 168km | 2nd Mt. Wumeng Ultra Trail 168km |
2d 12:19:46 h | 13 |
| 26.05 | 77km | 3rd Baturu Trail Mt. Guanmen 77km |
22:14:50 h | 22 |
| 30.04 | 100km | 6th Wildman100 Trail Challenge SJZ |
22:17:03 h | 72 |
| 2017 | ||||
| 26.08 | 100km | 1st Garmin·Xtrail Qilian 100K |
20:50:54 h | 86 |
| 03.06 | 100km | 2nd Mount Zu Trail Qinhuangdao 100km |
28:49:58 h | 19 |
| 22.04 | 100km | 2nd Beijing 100 Baoshan Trail - 100 km |
23:36:37 h | 27 |
| 18.02 | 100km | 2nd China Ultra 100 Puer |
18:57:21 h | 46 |
| 2016 | ||||
| 05.10 | 100km | 1st Shanhaiguan 100K |
24:16:14 h | 12 |
| 23.04 | 100km | 4th DL100 Ultra Endurance Race |
22:44:26 h | 94 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 11/8/2018 | 2nd Mt. Wumeng Ultra Trail 168km | 168,00 | ×5 |
| ✓ 2 | 6/10/2024 | 2nd Ultra Trail XiaHuaYuan 100km | 100,00 | ×3 |
| ✓ 3 | 29/7/2023 | 4th Ultra Trail Challenge Bailidujuan 100 | 100,00 | ×3 |
| ✓ 4 | 27/7/2019 | 3rd X Trail - Gangshika 100 km | 100,00 | ×3 |
| ✓ 5 | 30/4/2018 | 6th Wildman100 Trail Challenge SJZ | 100,00 | ×3 |
| ✓ 6 | 26/8/2017 | 1st Garmin·Xtrail Qilian 100K | 100,00 | ×3 |
| ✓ 7 | 3/6/2017 | 2nd Mount Zu Trail Qinhuangdao 100km | 100,00 | ×3 |
| ✓ 8 | 22/4/2017 | 2nd Beijing 100 Baoshan Trail - 100 km | 100,00 | ×3 |
| ✓ 9 | 18/2/2017 | 2nd China Ultra 100 Puer | 100,00 | ×3 |
| ✓ 10 | 5/10/2016 | 1st Shanhaiguan 100K | 100,00 | ×3 |
| ✓ 11 | 23/4/2016 | 4th DL100 Ultra Endurance Race | 100,00 | ×3 |
| ✓ 12 | 26/5/2018 | 3rd Baturu Trail Mt. Guanmen 77km | 77,00 | ×2 |