Gui-You (詹贵友) Zhan
Born : 1987 Cat. M35 Ultrarunner since 2016 CHN
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
6
Countries visited ?CHNChinaHKGHong KongITAItalyJPNJapanKORSouth KoreaTHAThailand
11,5%
Rank quotient ?This runner's calculation uses 63 eligible race(s): Σ(rank − 1) = 4 343; Σ finishers = 37 876. 4 343 / 37 876 × 100 = 11.47%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed63
Km — ultra races3 726 km
> 100 km2
Longest race106,0 km

Km per year (ultra races)

230
4 races
2022
756
13 races
2023
625
11 races
2024
705
12 races
2025
149
2 races
2026

Race types (share of distance)

Road1,6%
Trail98,4%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 33
🏅 Top 3 M3
Longest winning streak1
Current streak0

HISTORY

63 race(s)
DateRacePerf.Rk
2026
28.08 101km ITA20ème Courmayeur-Champex-Chamonix 23:31:36 h919
11.04 48km CHN1st Ultra-Trail Mogan by UTMB - MMG 6:04:41 h47
2025
27.12 99.6km CHN2nd TORX CHN100 Shenzhen - 100km 24:36:38 h132
22.11 50km CHN8th Conghua CH50 - 50 km Run 6:50:34 h13
01.11 50km CHN10th Ultimate Tsaigu Trail Kuocang - 50 km 6:13:04 h133
18.10 60km CHN11th Ninghai Ultra Trail - 50km 7:25:08 h70
21.09 60km CHN13th The North Face 100 China - 60km 8:34:44 h29
13.09 50km CHN4th Yunnan Fengqing Ultra Trail 50km 5:16:37 h19
23.08 50km CHN6th Ultra Trail Challenge Bailidujuan 50 6:07:30 h19
20.07 64km JPN1st Fuji 100 km 13:20:11 h1 🏆
24.05 50km CHN13th DL50 Ultra Endurance Race 6:52:34 h5
17.05 53.8km CHN1st Ultra-Trail Great Wall by UTMB - 50K 6:40:20 h67
01.03 53.6km CHN1st Ultra-Trail Xiamen by UTMB - 50K 7:57:55 h26
11.01 64km CHN7th GZ100 Guangzhou - 60 km Run 9:49:54 h69
2024
28.12 50km CHN1st TORX CHN100 Shenzhen - 50km 5:27:59 h30
07.12 53km THA1st Chiangmai Thailand by UTMB - HMONG 50 6:50:20 h132
17.11 54km CHN3rd Gupo Mountain Ultra Trail - 50 km 7:20:47 h23
02.11 56km CHN9th Ultimate Tsaigu Trail Kuocang - 50 km 8:24:46 h240
26.10 34mi CHN5th Mt. Gaoligong - Tea & Horse Trail 7:52:28 h50
12.10 52km KOR11th TransJeju by UTMB 50 7:32:25 h52
21.09 50km CHN6th Longji Ultra Trail Running Race - 50 km 7:00:09 h16
25.05 55km CHN2nd Ultra-Trail Mt.Emei 10:38:26 h67
18.05 50km CHN1st Shudao Qingniling Mountain Challenge 6:41:15 h19
16.03 50km CHN1st Chengdu Trail 7:34:32 h45
20.01 100km HKG14th Hong Kong 100 Ultra Trail Race 19:47:42 h290
2023
24.12 50km CHN1st Ultra Trail Tianzhu Mountain 6:29:01 h16
10.12 60km CHN1st Chongqing Trail Running Challenge 8:30:37 h10
12.11 50km CHN4th Jiezi Ancient Town 50 km Race 8:59:37 h5
28.10 55km CHN8th Ultimate Tsaigu Trail Kuocang - 55 km 7:02:30 h62
21.10 50.7km CHN5th Yunqiu Mountain Trail - MMY 50K 6:25:40 h25
14.10 55km CHN5th Jiangnan Skyrace - 55 km 7:39:17 h20
17.09 67.3km CHN3rd Ultra Trail Shennongjia 65 km Salt Road Challenge 11:07:48 h43
02.09 56km CHN7th Trail Mt Wugong 50 km 9:33:44 h41
19.08 50km CHN1st Kaile Stone Northeast 50 - Songhua Lake Mountain 9:36:09 h8
27.05 50km CHN5th Baturu Trail Mt. Guanmen 50km 8:31:01 h10
15.04 57.4km CHN9th Ninghai Ultra Trail - 50km 7:43:49 h49
02.04 55km CHN2nd Welnig Golden Coast Run 6:42:16 h25
18.02 100km HKG13th Hong Kong 100 Ultra Trail Race 18:12:36 h212
2022
17.12 60km CHN3rd Chengdu 100 8:33:05 h3 🥉
05.11 50km CHN7th TNF 100 Ultra Trail Challenge Moganshan - 50 km 7:27:01 h6
30.10 50km CHN2nd Jiezi Ancient Town 50 km Race 8:59:29 h12
23.07 70km CHN6th Columbia 70 Ultra Trail Chongli Challenge Race 13:22:17 h67
2021
17.10 52.1km CHN1st Twelve Views of Bayu - KAILAS Huaying 7:31:07 h15
10.04 60km CHN1st Beauty Mountain Ultra Trail 12:24:44 h127
2020
21.11 106km CHN2nd Panda Trail by UTMB - MPT 106km 21:53:41 h92
17.10 55km CHN4th Ultra-Trail Huangshan (QSD) - 50 km 8:25:03 h41
05.09 56km CHN6th Trail Mt Wugong 56 km 10:54:34 h42
2019
21.12 60.9km CHN2nd Chongqing International Trail Running - 60km 13:11:33 h14
30.11 60.6km CHN1st Chengdu Trail 60+ Challenge - Tanshan Mountain 8:47:40 h14
19.10 60km CHN4th MaXi Race China Jiangshan 60 km 14:10:17 h30
21.09 67km CHN1st Xiaoxiang 68 Trail - Tianmen 10:47:34 h52
25.05 50km CHN7th Dali 50 Ultra Endurance Race 8:44:37 h57
20.04 50km CHN5th Ultimate Tsaigu Trail Kuocang - 50 km 8:51:52 h223
2018
11.08 50km CHN2nd Mt. Wumeng Ultra Trail 50km 6:31:31 h3 🥉
14.07 70km CHN2nd Columbia 70 Ultra Trail Chongli Challenge Race 11:11:49 h16
02.06 52km CHN1st Qinling Int. Trail 52km 10:38:21 h21
21.04 50km CHN3rd XTrail Wulong 50K 6:02:03 h5
27.01 100km HKG8th Hong Kong 100 Ultra Trail Race 15:47:37 h272
2017
25.11 50km CHN2nd Maxi-Race Yangshuo China 50 km 6:02:52 h9
15.10 50km CHN3rd Qinling 50k Trail 11:58:22 h49
29.07 60km CHN1st Maxi-Race China - Zengjia Mountain 14:38:04 h109
08.04 50km CHNMuye Trail Mount Qingcheng Int. Challenge 13:52:08 h24
2016
21.05 51.5km CHN3rd Tianmu 7 Ultra Skymarathon 13:04:11 h64