Hai (林海) Lin
ID 848640
Born : 1977 Cat. M45 Ultrarunner since 2016 CHN
25
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
37
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
50,0%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 5 764; Σ finishers = 11 523. 5 764 / 11 523 × 100 = 50.02%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed25
Km — ultra races1 877 km
> 100 km3
> 160 km1
Longest race168,0 km
9th Columbia 168 Ultra Trail Chongli Challenge Race — 11/7/2025

Km per year (ultra races)

2022
160
2 races
2023
210
3 races
2024
268
2 races
2025
100
1 race
2026

Race types (share of distance)

Trail100,0%

Records

50 km7h13'17100 km19h54'36

HISTORY

25 race(s)
DateRacePerf.Rk
2026
17.01 100km CHN8th GZ100 Guangzhou - 100 km Run 21:13:41 h276
2025
11.07 168km CHN9th Columbia 168 Ultra Trail Chongli Challenge Race 47:49:50 h395
11.01 100km CHN7th GZ100 Guangzhou - 100 km Run 19:54:36 h136
2024
28.12 50km CHN1st TORX CHN100 Shenzhen - 50km 7:13:17 h223
19.10 60km CHN10th Ninghai Ultra Trail - 50km 9:29:29 h526
20.01 100km CHN6th GZ100 Guangzhou - 100 km Run 22:12:17 h128
2023
30.12 50.7km CHN1st Shenzhen 100 Ultra Trail - 50km 9:46:09 h112
15.04 109.6km CHN9th Ninghai Ultra Trail - 100km 21:47:02 h330
2021
03.05 51.4km CHN5th XTrail Wulong 50K 8:07:20 h81
09.01 100km CHN5th GZ100 Guangzhou - 100 km Run 21:51:00 h200
2020
19.12 50km CHN1st Wu Du 50 Ultra Trail 14:09:59 h67
07.11 50km CHN5th Conghua CH50 - 50 km Run 10:27:24 h201
17.10 108km CHN8th Ninghai Ultra Trail - 100km 25:02:03 h230
2019
19.10 54.4km CHN7th Ninghai Ultra Trail - 50km 9:56:51 h276
24.08 100km CHN3rd Ultra Trail Challenge Bailidujuan 100 24:11:19 h187
27.07 100km CHN3rd X Trail - Gangshika 100 km 27:49:55 h130
20.04 50km CHN4th XTrail Wulong 50K 9:56:02 h231
2018
27.10 70km CHN2nd Mogan Ultra 70km 16:58:36 h560
21.04 100km CHN3rd XTrail Wulong 100K 23:38:16 h203
31.03 51km CHN3rd Conghua CH50 - 51 km Run 13:56:36 h170
2017
31.12 50km HKG3rd Ultra-Trail Tai Mo Shan (YTF) 50 km 13:44:00 h252
11.11 54km CHN1st GZ100 Guangzhou - 54 km Run 15:06:35 h51
03.09 50km CHN3rd Trail Mt Wugong 50 km 14:32:31 h308
01.01 50km HKG2nd Ultra-Trail Tai Mo Shan (YTF) 50 km 16:07:34 h364
2016
24.07 50km CHN3rd Zhangye Qilian Mountain 50 km Trail Challenge 12:06:03 h152