Jian-Jun (丁建军) Ding
Born : 1983 Cat. M40 Ultrarunner since 2016 CHN
24
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
42
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
5
Countries visited ?CHNChinaFRAFranceHKGHong KongITAItalyTHAThailand
41,9%
Rank quotient ?This runner's calculation uses 24 eligible race(s): Σ(rank − 1) = 7 903; Σ finishers = 18 850. 7 903 / 18 850 × 100 = 41.93%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed24
Km — ultra races2 121 km
> 100 km9
> 160 km2
Longest race176,0 km

Km per year (ultra races)

2022
363
4 races
2023
330
3 races
2024
352
5 races
2025
2026

Race types (share of distance)

Trail100,0%

HISTORY

24 race(s)
DateRacePerf.Rk
2025
06.12 48km THA2nd Chiangmai Thailand by UTMB - HMONG 50-DAY 9:04:46 h567
18.10 106km CHN11th Ninghai Ultra Trail - 100km 22:55:03 h481
16.08 50km CHN6th Ultra Trail Mount Haituo - UTMH 50km 10:41:14 h331
19.04 48.3km CHN7th Yunqiu Mountain Trail - MMY 50K 10:29:52 h938
18.01 100km HKG15th Hong Kong 100 Ultra Trail Race 20:36:18 h657
2024
19.10 106km CHN10th Ninghai Ultra Trail - 100km 19:49:12 h285
30.08 176km FRA21ème Ultra Trail Tour du Mont Blanc 41:32:37 h1000
20.04 48.3km CHN6th Yunqiu Mountain Trail - MMY 50K 7:04:06 h101
2023
11.11 103km HKG10th TransLantau 100 by UTMB 22:13:12 h142
20.10 100km CHN5th Yunqiu Mountain Trail - DMY 100K 18:31:46 h75
26.08 50km CHN4th Ultra Trail Mount Haituo - UTMH 50km 7:26:56 h25
15.04 109.6km CHN9th Ninghai Ultra Trail - 100km 18:31:30 h156
2020
21.11 106km CHN2nd Panda Trail by UTMB - MPT 106km 26:27:14 h195
17.10 108km CHN8th Ninghai Ultra Trail - 100km 21:34:24 h149
14.08 168km CHN4th Columbia 168 Ultra Trail Chongli Challenge Race 33:39:37 h52
2019
06.10 99km CHN2nd Great Wall 100 Int. Trail 29:07:45 h165
28.08 145km ITA10ème Sur les Traces des Ducs de Savoie 37:26:30 h655
12.07 100km CHN3rd Columbia 100 Ultra Trail Chongli Challenge Race 21:42:26 h82
2018
22.04 50km CHN10th The North Face 50 China Plus 9:54:03 h552
2017
15.07 50km CHN1st Columbia 50 Ultra Trail Chongli Challenge Race 11:31:05 h394
16.04 100km CHN9th The North Face 100 China 22:53:29 h340
2016
19.11 50km CHN1st Fragrant Mountain Trail 10:22:04 h87
16.10 50km CHN1st Aijiangshan Trail Series - Jinshanling 10:55:48 h62
07.05 50km CHN8th The North Face 50 China 9:50:09 h436