Juan-Juan (耿娟娟) Geng
Born : 1970 Cat. W55 Ultrarunner since 2014 CHN
33
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
47
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 ?CHNChina
62,9%
Rank quotient ?This runner's calculation uses 33 eligible race(s): Σ(rank − 1) = 5 793; Σ finishers = 9 216. 5 793 / 9 216 × 100 = 62.86%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed33
Km — ultra races2 646 km
> 100 km4
> 160 km2
Longest race168,0 km

Km per year (ultra races)

50
1 race
2022
376
4 races
2023
627
6 races
2024
272
4 races
2025
2026

Race types (share of distance)

Road1,9%
Trail98,1%

HISTORY

33 race(s)
DateRacePerf.Rk
2025
13.09 70km CHN5th Ultra Trail Shennongjia 70 km Salt Road Challenge 16:01:30 h268
22.08 100km CHN3rd Kaile Stone Northeast 100 - Songhua Lake Mountain 28:44:11 h306
07.06 50km CHN1st Jiuzhaigou 100 Ultra Trail - SXZL50K 14:52:56 h194
12.04 52.3km CHN4th The Ultra-Trail DabieShan 9:52:51 h62
2024
02.11 95km CHN9th Ultimate Tsaigu Trail Kuocang - 105 km 20:29:09 h931
12.07 168km CHN8th Columbia 168 Ultra Trail Chongli Challenge Race 47:34:10 h420
22.06 100km CHN1st Chicheng Ultra Trail 100km 22:26:53 h94
19.04 143.7km CHN6th Yunqiu Mountain Trail - UMY 100M 41:56:50 h275
13.04 50km CHN3rd MXS Race - 50 km 6:42:19 h24
31.03 70km CHN3rd Welnig Golden Coast Run 13:54:49 h302
2023
04.11 70km CHN1st Ultra Trail XiaHuaYuan 13:41:12 h102
26.08 100km CHN4th Ultra Trail Mount Haituo - UTMH 100km 23:25:20 h88
27.05 100km CHN5th Baturu Trail Mt. Guanmen 100km 28:38:01 h84
15.04 106.4km CHN11th DL100 Ultra Endurance Race 22:39:47 h67
2022
01.10 50km CHN1st BeiJing Xiangshan 50 Ultra Trail 11:14:13 h39
2021
23.05 50km CHN4th Ultra Trail Mount Yanyu - UTMYY 50 10:51:43 h94
17.04 100km CHN3rd Great Wall 100 Int. Trail 26:00:39 h61
2020
07.11 70km CHN2nd Ultra Trail Mount Haituo - UTMH 70km 14:36:14 h119
2019
21.12 50km CHN6th Phoenix Ridge Winter Trail Challenge 11:58:03 h66
06.10 99km CHN2nd Great Wall 100 Int. Trail 29:30:09 h171
12.07 168km CHN3rd Columbia 168 Ultra Trail Chongli Challenge Race 43:33:30 h214
2018
01.12 50km CHN3rd Fragrant Mountain Trail 9:23:02 h206
13.10 50km CHN1st Great Wall 50 Int. Trail 10:24:28 h53
23.09 50km CHN1st China Daning Inter Ultra-Trail 8:13:29 h57
13.07 100km CHN2nd Columbia 100 Ultra Trail Chongli Challenge Race 23:29:18 h121
20.04 100km CHN6th DL100 Ultra Endurance Race 21:13:24 h57
2017
14.07 88km CHN1st Columbia 88 Ultra Trail Chongli Challenge Race 19:44:25 h251
2016
15.10 50km CHN1st Jinmen Panshan 50km Ultra Trail Challenge 10:21:30 h31
07.05 100km CHN8th The North Face 100 China 21:45:46 h254
27.02 45.3km CHN1st Aijiangshan Trail Series - Jingxigudao 7:17:29 h107
2015
04.09 50km CHN3rd Wuyuezhai International Trail Challenge 10:24:00 h257
09.05 50km CHN7th The North Face 50 China 10:20:11 h303
2014
24.05 50km CHN6th The North Face 50 China 13:39:56 h148