Ding (喻丁) Yu
ID 754800
Born : 1991 Cat. M35 Ultrarunner since 2015 CHN
41
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
2
Countries visited ?CHNChinaHKGHong Kong
6,6%
Rank quotient ?This runner's calculation uses 41 eligible race(s): Σ(rank − 1) = 1 441; Σ finishers = 21 691. 1 441 / 21 691 × 100 = 6.64%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed41
Km — ultra races2 919 km
> 100 km3
Longest race110,0 km
1st Maxi-Race Yangshuo China 110 km — 28/11/2015

Km per year (ultra races)

2022
206
3 races
2023
305
4 races
2024
160
2 races
2025
100
1 race
2026

Race types (share of distance)

Road1,7%
Trail95,8%
Stage2,5%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 34
🏅 Top 3 M5
Longest winning streak0
Current streak0

Records

50 km5h16'58100 km13h34'3450 mi12h40'13

HISTORY

41 race(s)
DateRacePerf.Rk
2026
24.01 100km HKG16th Hong Kong 100 Ultra Trail Race 14:35:28 h243
2025
18.10 60km CHN11th Ninghai Ultra Trail - 50km 7:19:15 h63
18.01 100km HKG15th Hong Kong 100 Ultra Trail Race 15:27:56 h165
2024
28.12 50km CHN1st TORX CHN100 Shenzhen - 50km 5:24:04 h28
19.10 60km CHN10th Ninghai Ultra Trail - 50km 6:43:04 h42
13.04 95.3km CHN9th TNF 100 Ultra Trail Challenge Moganshan - 100 km 14:39:06 h10
20.01 100km HKG14th Hong Kong 100 Ultra Trail Race 14:27:20 h43
2023
15.04 100km CHN8th TNF 100 Ultra Trail Challenge Moganshan - 100 km 15:56:09 h5
11.03 50km HKG1st The North Face 100 Ultra Trail Challenge Hong Kong 8:42:48 h84
18.02 56km HKG13th Hong Kong 100 Ultra Trail Race - Half 6:17:02 h7
2020
21.11 60km CHN6th Wuyishan Trail Race 60 km 6:52:50 h3 🥉
24.10 85km CHN6th Ultimate Tsaigu Trail Kuocang - 85 km 11:41:53 h9
19.09 98km CHN4th Ultra Trail Jiangle 100 km 14:49:32 h4
18.01 100km HKG10th Hong Kong 100 Ultra Trail Race 13:40:11 h44
2019
15.12 50km HKG7th The North Face 50 Hong Kong 6:08:03 h5
30.11 70km CHN3rd TNF 100 Ultra Trail Challenge Moganshan 8:25:33 h5
19.10 60km CHN4th MaXi Race China Jiangshan 60 km 9:27:15 h2 🥈
18.08 60km CHN2nd Ultra-Trail Jiangle Longqi Mountain 7:05:50 h13
29.06 70km CHN4th The Grand Wutai Pilgrimage II 11:00:00 h8
11.05 50km CHN11th The North Face 50 China Plus 5:33:23 h5
20.04 80km CHN5th Ultimate Tsaigu Trail Kuocang - 80 km 12:40:13 h14
30.03 50km HKG3rd Mountain Range 50 - Shatin Duo 9:12:15 h43
23.03 50km CHN4th Conghua CH50 - 50 km Run 7:49:02 h10
19.01 100km HKG9th Hong Kong 100 Ultra Trail Race 13:34:34 h35
2018
23.12 50km CHN4th Donghai Grand Canyon 50 km Trail 6:23:32 h3 🥉
02.12 60km CHN5th 9 Long Lake Trail 7:00:52 h6
24.11 50km HKG2nd Mountain Range 50 - Tai Po Duo 8:36:46 h19
01.10 45km HKG2nd Ferei Maclehose Trail Dark 45 4:58:43 h29
09.09 56km CHN4th Trail Mt Wugong 56 km 8:15:51 h4
05.05 50km CHN2nd Ultra Trail Jiangle 50 km 6:52:26 h9
22.04 50km CHN10th The North Face 50 China 5:53:59 h15
21.01 50km CHN1st Ultra Trail Shenzhen Tour 10:10:19 h2 🥈
2017
25.11 50km CHN2nd Maxi-Race Yangshuo China 50 km 5:16:58 h4
30.09 50km CHNFuxian Lake Highland Ultramarathon 50K - Open race 6:39:36 h91
23.09 105km CHN2nd MaXi Race China Jiangshan 105 km 20:24:19 h7
19.08 103.6km CHN3rd Ultra Trail 100K Mt Gongga 25:29:31 h128
13.05 72km CHN2nd Guangzhou longdong Trail 72 10:27:04 h4
16.04 100km CHN9th The North Face 100 China 14:15:53 h13
04.03 100km CHN1st Baibin 100 Ultra Trail Dapeng - 100 km Run 26:55:01 h19
2016
05.11 63km HKG4th HK168 - 63 km ultra-endurance race 13:02:35 h133
2015
28.11 110km CHN1st Maxi-Race Yangshuo China 110 km 18:10:38 h106