Di-Si (梁迪斯) Liang
Born : 1995 Cat. M23 Ultrarunner since 2017 CHN
45
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
51
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
4
Countries visited ?CHNChinaHKGHong KongKORSouth KoreaTHAThailand
2,2%
Rank quotient ?This runner's calculation uses 47 eligible race(s): Σ(rank − 1) = 501; Σ finishers = 22 586. 501 / 22 586 × 100 = 2.22%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed47
Km — ultra races4 144 km
> 100 km12
> 160 km2
Longest race200,0 km

Km per year (ultra races)

384
5 races
2022
1 607
16 races
2023
968
11 races
2024
847
10 races
2025
156
2 races
2026

Race types (share of distance)

Road2,5%
Trail95,8%
Stage1,7%

Wins & podiums (ultra)

🏆 Win8
🏆 Win M8
🏅 Top 319
🏅 Top 3 M19
Longest winning streak5
Current streak0

HISTORY

47 race(s)
DateRacePerf.Rk
2026
24.01 100km HKG16th Hong Kong 100 Ultra Trail Race 11:59:39 h47
23.01 56km HKG16th Hong Kong 100 Ultra Trail Race - Half 5:18:06 h36
2025
27.12 60km CHN2nd TORX CHN100 Shenzhen - 60km 8:02:32 h26
15.11 80km HKG12th TransLantau 80 by UTMB 9:11:41 h2 🥈
01.11 50km CHN10th Ultimate Tsaigu Trail Kuocang - 50 km 5:30:14 h37
01.11 105km CHN10th Ultimate Tsaigu Trail Kuocang - 105 km 17:47:23 h99
21.09 100km CHN13th The North Face 100 China 14:15:19 h10
12.07 50km CHN9th Columbia 50 Ultra Trail Chongli Challenge Race 5:55:50 h10
24.05 106.4km CHN13th DL100 Ultra Endurance Race 12:26:38 h2 🥈
03.05 80km THA4th Amazean Jungle Thailand by UTMB - Betong 80 11:40:00 h5
18.04 159.2km CHN7th Yunqiu Mountain Trail - UMY 100M 22:51:06 h12
17.01 56km HKG15th Hong Kong 100 Ultra Trail Race - Half 6:02:11 h27
2024
09.11 100km HKG11th TransLantau 100 by UTMB 12:46:26 h3 🥉
21.09 100km CHN12th The North Face 100 China 12:56:02 h3 🥉
16.06 55km CHN9th Chongli Challenge 5:14:27 h2 🥈
25.05 106.4km CHN12th DL100 Ultra Endurance Race 12:19:22 h1 🏆
18.05 100km CHN1st Dajingmen Ancient Great Wall Cross Country 100km 12:29:30 h1 🏆
04.05 106km THA3rd Amazean Jungle Thailand by UTMB - 100km 15:39:09 h1 🏆
13.04 100km CHN2nd Huangshan huizhou trail race 12:27:02 h1 🏆
23.03 100km CHN1st Ultra Trail Mt.Huangshan Series 12:05:29 h1 🏆
17.03 45km CHN4th Chongqing Tieshanping Trail 4:52:43 h2 🥈
20.01 100km HKG14th Hong Kong 100 Ultra Trail Race 13:23:30 h21
19.01 56km HKG14th Hong Kong 100 Ultra Trail Race - Half 5:58:10 h11
2023
08.12 175km THA4th Doi Inthanon Thailand by UTMB - TRANS-INT 160 27:03:03 h5
18.11 100km CHN5th Yangxian Trail Challenge - 100km 13:14:33 h5
11.11 103km HKG10th TransLantau 100 by UTMB 12:47:55 h3 🥉
28.10 115km CHN8th Ultimate Tsaigu Trail Kuocang - 115 km 14:54:00 h9
21.10 50.7km CHN5th Yunqiu Mountain Trail - MMY 50K 6:44:01 h42
14.10 100km CHN5th Jiangnan Skyrace - 100 km 12:37:19 h1 🏆
07.10 100km KOR10th TransJeju by UTMB 100 10:31:59 h8
02.09 100km CHN7th Trail Mt Wugong 100 km 12:30:00 h3 🥉
29.07 50km CHN1st Spartan Trail in Chongli 5:08:01 h1 🏆
06.07 200km CHN7th Columbia 200 Ultra Trail Chongli Challenge Race 37:57:24 h8
13.05 98km CHN5th Ultra Trail Jiangle 100 km 13:28:21 h3 🥉
30.04 50km CHN1st Yangchun Jilongding Azalea Trail running race 6:02:57 h8
15.04 109.6km CHN9th Ninghai Ultra Trail - 100km 13:34:33 h12
25.03 100km CHN2nd 1390 Archipelago Trail - 100km 14:51:30 h6
18.02 56km HKG13th Hong Kong 100 Ultra Trail Race - Half 6:21:34 h9
18.02 100km HKG13th Hong Kong 100 Ultra Trail Race 13:39:35 h16
2022
20.11 50km CHN1st The Sun Run Xvzhou Lvliang 50km 5:17:13 h1 🏆
05.11 101.6km CHN7th TNF 100 Ultra Trail Challenge Moganshan - 100 km 14:28:24 h3 🥉
25.09 50km CHN1st Ultra Trail Challenge Race Beijing Labagou 5:43:19 h3 🥉
22.07 130km CHN6th Columbia 130 Ultra Trail Chongli Challenge Race 23:07:10 h10
02.01 52.1km CHN1st CBN Run - Crazy Legs 6:22:54 h5
2018
06.01 60km CHN1st Maoming Dianbai 60km Trail Race 9:14:08 h4
2017
30.09 50km CHNFuxian Lake Highland Ultramarathon 50K - Open race 4:52:46 h15
13.05 72km CHN2nd Guangzhou longdong Trail 72 12:00:12 h8