Si-Qin (Christy) (吕斯琴) Lyu
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Born : 1981
Cat. W45 Ultrarunner since 2016
15
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
2
Countries visited ?China
Hong Kong
ChinaHong Kong28,8%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 1 500; Σ finishers = 5 213. 1 500 / 5 213 × 100 = 28.77%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 392 km
> 100 km3
> 160 km1
Longest race168,0 km
5th HK168 - 168 km ultra-endurance race — 1/12/2017
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F3
Longest winning streak0
Current streak0
Records
HISTORY
15 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 11.01 | 100km | 7th GZ100 Guangzhou - 100 km Run |
20:50:52 h | 171 |
| 2023 | ||||
| 08.12 | 100km | 8th The North Face 100 Hong Kong |
22:45:47 h | 132 |
| 25.11 | 100km | 6th Conghua CH50 - 100 km Run |
20:37:09 h | 61 |
| 2019 | ||||
| 19.01 | 100km | 9th Hong Kong 100 Ultra Trail Race |
17:57:03 h | 222 |
| 2018 | ||||
| 31.03 | 57km | 3rd Conghua CH50 - 57 km Run |
12:34:24 h | 22 |
| 25.03 | 50km | 4th Daluoshan Trail Run 50K |
8:06:52 h | 26 |
| 2017 | ||||
| 01.12 | 168km | 5th HK168 - 168 km ultra-endurance race |
33:50:24 h | 10 |
| 19.08 | 103.6km | 3rd Ultra Trail 100K Mt Gongga |
23:27:05 h | 104 |
| 09.08 | 100km | 4th Zhangye Qilian Mountain 100 km Trail Challenge |
17:29:37 h | 41 |
| 15.07 | 108km | 2nd Transqilian Run 108km |
19:00:14 h | 11 |
| 22.04 | 100km | 5th DL100 Ultra Endurance Race |
21:22:19 h | 111 |
| 05.03 | 55.8km | 2nd Conghua CH50 |
12:18:15 h | 102 |
| 14.01 | 100km | 7th Hong Kong 100 Ultra Trail Race |
17:32:41 h | 408 |
| 2016 | ||||
| 16.10 | 100km | 4th Dali 100 Ultra Endurance Race |
23:38:19 h | 54 |
| 06.03 | 50km | 1st Conghua CH50 |
8:31:48 h | 40 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 1/12/2017 | 5th HK168 - 168 km ultra-endurance race | 168,00 | ×5 |
| ✓ 2 | 15/7/2017 | 2nd Transqilian Run 108km | 108,00 | ×3 |
| ✓ 3 | 19/8/2017 | 3rd Ultra Trail 100K Mt Gongga | 103,60 | ×3 |
| ✓ 4 | 11/1/2025 | 7th GZ100 Guangzhou - 100 km Run | 100,00 | ×3 |
| ✓ 5 | 8/12/2023 | 8th The North Face 100 Hong Kong | 100,00 | ×3 |
| ✓ 6 | 25/11/2023 | 6th Conghua CH50 - 100 km Run | 100,00 | ×3 |
| ✓ 7 | 19/1/2019 | 9th Hong Kong 100 Ultra Trail Race | 100,00 | ×3 |
| ✓ 8 | 9/8/2017 | 4th Zhangye Qilian Mountain 100 km Trail Challenge | 100,00 | ×3 |
| ✓ 9 | 22/4/2017 | 5th DL100 Ultra Endurance Race | 100,00 | ×3 |
| ✓ 10 | 14/1/2017 | 7th Hong Kong 100 Ultra Trail Race | 100,00 | ×3 |
| ✓ 11 | 16/10/2016 | 4th Dali 100 Ultra Endurance Race | 100,00 | ×3 |
| ✓ 12 | 31/3/2018 | 3rd Conghua CH50 - 57 km Run | 57,00 | ×1 |
| ✓ 13 | 5/3/2017 | 2nd Conghua CH50 | 55,80 | ×1 |
| ✓ 14 | 25/3/2018 | 4th Daluoshan Trail Run 50K | 50,00 | ×1 |
| ✓ 15 | 6/3/2016 | 1st Conghua CH50 | 50,00 | ×1 |