Xue-Jun (陈学军) Chen

Born : 1968 Cat. M55 Ultrarunner since 2014

DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.

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

Countries visited ?

China

Hong Kong

Thailand

Taiwan

29,7%

Rank quotient ?This runner's calculation uses 65 eligible race(s): Σ(rank − 1) = 3 219; Σ finishers = 10 827. 3 219 / 10 827 × 100 = 29.73%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed65

Km — ultra races8 752 km

> 100 km29

> 160 km18

> 200 km9

> 24h9

> 48h2

Longest race704,0 km

2nd Xiamen 6 Day Race — 3/12/2023

Km per year (ultra races)

192

2022

1 336

2023

2024

449

2025

100

2026

Race types (share of distance)

Road38,2%

Trail61,8%

Wins & podiums (ultra)

🏆 Win2

🏆 Win M2

🏅 Top 38

🏅 Top 3 M8

Longest winning streak2

Current streak0

Records

50 km6h55'06 100 km10h11'14 100 mi31h21'49 24 h240,51 km 6 d704,00 km

HISTORY

65 race(s) · 17 split(s) nested

Date		Race	Perf.	Rk
2026
21.03	100km	8th Xihong Old Road Ultra Trail - 100 Spring	15:27:05 h	27
2025
08.11	100km	10th Wuyishan Trail Race 100 km	25:25:26 h	418
27.09	24h	1st Chiangmai 24 Hr Challenge	190.114 km	7
18.04	159.2km	7th Yunqiu Mountain Trail - UMY 100M	31:21:49 h	123
2023
03.12	6d	2nd Xiamen 6 Day Race	704.000 km	4
03.12	24h	2nd Xiamen 6 Day Race - 24h Split	132.000 km	4
03.12	48h	2nd Xiamen 6 Day Race - 48h Split	258.000 km	4
03.12	72h	2nd Xiamen 6 Day Race - 72h Split	390.000 km	4
21.10	100km	1st Ttear 100 km	16:24:38 h	14
30.04	72h	1st Ningde 72h Ultra race	422.000 km	2 🥈
15.04	109.6km	9th Ninghai Ultra Trail - 100km	17:25:53 h	101
2022
22.07	192km	6th Columbia 192 Ultra Trail Chongli Challenge Race	38:25:09 h	20
2021
10.04	60km	1st Beauty Mountain Ultra Trail	11:08:48 h	70
2020
17.10	108km	2nd Lingjiushan Trail Running - 100 km	20:13:47 h	3 🥉
19.09	100km	2nd Xiaoxiang 100 Trail - Tianmen	15:13:52 h	17
2019
19.10	120km	4th MaXi Race China Jiangshan 120 km	21:34:43 h	6
06.10	99km	2nd Great Wall 100 Int. Trail	16:59:35 h	5
07.09	60km	4th Devil's Ridge Ultra 60K	13:52:35 h	102
24.08	103.6km	5th Ultra Trail 100K Mt Gongga	19:49:47 h	25
03.08	53km	3rd Maxi-Race China - Zengjia Mountain	4:22:36 h	9
29.06	70km	4th The Grand Wutai Pilgrimage	11:48:00 h	83
08.06	47.5km	1st Western-Sichuan Lake Mountain Marathon	4:31:41 h	6
01.06	106km	2nd Mountain Hard China - Guzhang 100 km	16:40:39 h	8
19.05	65km	2nd Huanglong Ultra Trail	6:45:18 h	10
13.04	95km	1st Maxi-Race China - Xixia 100km	13:22:11 h	5
15.03	170km	3rd Ultra-Trail Huangshan (UTHS) - 170 km	31:21:11 h	5
2018
02.12	50km	2nd Yongtai Mt.Qingyun Trail Race	6:55:06 h	17
24.11	100km	1st Mountain Hard China - Xichuan 100 km	14:57:03 h	10
02.11	116km	2nd Yuhuang Ultra Endurance Race - 100 km	18:19:52 h	2 🥈
20.10	100km	3rd Wild Wolf 100 Chongqing	14:20:13 h	2 🥈
06.10	50km	1st Huanglong Extreme Endurance Race	13:44:32 h	54
11.08	96km	1st Inner Mongolia 100km Ultra Marathon - Laoniuwan	11:08:48 h	4
15.07	100km	1st Capstone 100	19:42:42 h	9
07.07	60km	2nd Maxi-Race China - Zengjia Mountain	13:22:55 h	50
30.06	100km	2nd Xibopo 100	12:36:50 h	5
21.04	100km	3rd XTrail Wulong 100K	21:26:29 h	141
13.04	246km	4th Race Across Taiwan Nonstop 246km	38:08:39 h	7
09.03	100mi	2nd Mt. Gaoligong Ultra 100 Miles	38:59:53 h	103
27.01	100km	8th Hong Kong 100 Ultra Trail Race	23:49:03 h	1210
2017
09.12	24h	1st Hangzhou ultramarathon 24H race	240.514 km	7
09.12	50km	1st Hangzhou ultramarathon 24H race - 50km Split	4:29:28 h	26
09.12	6h	1st Hangzhou ultramarathon 24H race - 6h Split	66.000 km	21
09.12	50mi	1st Hangzhou ultramarathon 24H race - 50mi Split	7:24:20 h	19
09.12	100km	1st Hangzhou ultramarathon 24H race - 100km Split	9:19:03 h	19
09.12	12h	1st Hangzhou ultramarathon 24H race - 12h Split	128.400 km	15
09.12	100mi	1st Hangzhou ultramarathon 24H race - 100mi Split	15:28:17 h	11
02.12	24h	17th Soochow/Taipei 24h Ultramarathon	204.938 km	19
02.12	6h	17th Soochow/Taipei 24h Ultramarathon - 6h Split	67.200 km	11
02.12	12h	17th Soochow/Taipei 24h Ultramarathon - 12h Split	129.200 km	10
21.10	24h	2nd Strait 24 Hours Int. Ultramarathon	220.464 km	5
30.09	100km	Fuxian Lake Highland Ultramarathon 100K	10:11:14 h	23
26.08	100km	1st Garmin·Xtrail Qilian 100K	13:20:14 h	7
19.08	103.6km	3rd Ultra Trail 100K Mt Gongga	20:47:19 h	69
06.05	100km	2nd XTrail Wulong 100K	15:13:39 h	24
15.04	100km	3rd Jiangnan 100 Ultra Trail - 110km	27:54:51 h	105
08.04	50km	Muye Trail Mount Qingcheng Int. Challenge	14:14:10 h	27
23.03	200km	1st Yangtze River Nanjing Laoshan 200km	24:31:00 h	1 🏆
11.02	24h	6th Taipei 24hr Ultra Marathon	229.132 km	1 🏆
11.02	50km	6th Taipei 24hr Ultra Marathon - 50km Split	4:19:23 h	3 🥉
11.02	6h	6th Taipei 24hr Ultra Marathon - 6h Split	66.132 km	4
11.02	50mi	6th Taipei 24hr Ultra Marathon - 50mi Split	7:26:37 h	2 🥈
11.02	100km	6th Taipei 24hr Ultra Marathon - 100km Split	9:30:58 h	2 🥈
11.02	12h	6th Taipei 24hr Ultra Marathon - 12h Split	122.912 km	2 🥈
11.02	100mi	6th Taipei 24hr Ultra Marathon - 100mi Split	15:53:45 h	2 🥈
2016
24.11	168km	2nd Ultra-Trail Three Gorges 168 km	2d 01:06:07 h	68
29.10	24h	Strait 24 Hours Int. Ultramarathon	232.462 km	4
15.10	168km	1st Qinling Ultra 168	18:24:19 h	2 🥈
25.09	392km	2nd Ultra Trail Gobi Race (UTGR) 400	4d 06:17:13 h	5
27.08	100km	2nd Ultra Trail 100K Mt Gongga	21:45:47 h	36
18.06	24h	1st Mount Xiqiao Int. 24 Hour Ultra Marathon	185.150 km	7
21.05	100km	1st XTrail Wulong 100K	14:38:59 h	18
07.05	100km	8th The North Face 100 China	14:05:16 h	10
23.04	100km	4th DL100 Ultra Endurance Race	15:13:46 h	9
2015
12.12	100mi	1st Ultra Trail Shenzhen 100 Miles	34:10:40 h	2 🥈
28.11	110km	1st Maxi-Race Yangshuo China 110 km	11:50:32 h	19
07.11	60km	1st Ultra Trail Mt Siguniang	16:47:34 h	17
31.10	102km	3rd Dali 100 Ultra Endurance Race	14:37:05 h	5
22.08	50km	1st Ultra Trail 50K Mt Gongga	7:40:39 h	18
18.07	100km	2nd Zhangye Qilian Mountain 100 km Trail Challenge	16:56:51 h	30
29.03	60km	1st Wenchuan Trail	11:17:24 h	13
2014
13.12	100km	2nd The North Face 100 Hong Kong	18:47:27 h	39
24.05	102km	2nd Dali 100 Ultra Endurance Race	16:15:05 h	10

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	3/12/2023	2nd Xiamen 6 Day Race	704,00	×8
✓ 2	30/4/2023	1st Ningde 72h Ultra race	422,00	×5
✓ 3	25/9/2016	2nd Ultra Trail Gobi Race (UTGR) 400	392,00	×4
✓ 4	13/4/2018	4th Race Across Taiwan Nonstop 246km	246,00	×3
✓ 5	9/12/2017	1st Hangzhou ultramarathon 24H race	240,51	×3
✓ 6	29/10/2016	Strait 24 Hours Int. Ultramarathon	232,46	×2
✓ 7	11/2/2017	6th Taipei 24hr Ultra Marathon	229,13	×2
✓ 8	21/10/2017	2nd Strait 24 Hours Int. Ultramarathon	220,46	×2
✓ 9	2/12/2017	17th Soochow/Taipei 24h Ultramarathon	204,94	×2
✓ 10	23/3/2017	1st Yangtze River Nanjing Laoshan 200km	200,00	×2
✓ 11	22/7/2022	6th Columbia 192 Ultra Trail Chongli Challenge Race	192,00	×2
✓ 12	27/9/2025	1st Chiangmai 24 Hr Challenge	190,11	×2
✓ 13	18/6/2016	1st Mount Xiqiao Int. 24 Hour Ultra Marathon	185,15	×2
✓ 14	15/3/2019	3rd Ultra-Trail Huangshan (UTHS) - 170 km	170,00	×2
✓ 15	24/11/2016	2nd Ultra-Trail Three Gorges 168 km	168,00	×2
✓ 16	15/10/2016	1st Qinling Ultra 168	168,00	×2
✓ 17	9/3/2018	2nd Mt. Gaoligong Ultra 100 Miles	160,93	×2
✓ 18	12/12/2015	1st Ultra Trail Shenzhen 100 Miles (UTSZ)	160,93	×2
✓ 19	18/4/2025	7th Yunqiu Mountain Trail - UMY 100M	159,20	×1
✓ 20	19/10/2019	4th MaXi Race China Jiangshan 120 km	120,00	×1
✓ 21	2/11/2018	2nd Yuhuang Ultra Endurance Race - 100 km	116,00	×1
✓ 22	28/11/2015	1st Maxi-Race Yangshuo China 110 km	110,00	×1
✓ 23	15/4/2023	9th Ninghai Ultra Trail - 100km	109,60	×1
✓ 24	17/10/2020	2nd Lingjiushan Trail Running - 100 km	108,00	×1
✓ 25	1/6/2019	2nd Mountain Hard China - Guzhang 100 km	106,00	×1
✓ 26	24/8/2019	5th Ultra Trail 100K Mt Gongga	103,60	×1
✓ 27	19/8/2017	3rd Ultra Trail 100K Mt Gongga	103,60	×1
✓ 28	31/10/2015	3rd Dali 100 Ultra Endurance Race	102,00	×1
✓ 29	24/5/2014	2nd Dali 100 Ultra Endurance Race	102,00	×1
✓ 30	21/3/2026	8th Xihong Old Road Ultra Trail - 100 Spring	100,00	×1
✓ 31	8/11/2025	10th Wuyishan Trail Race 100 km	100,00	×1
✓ 32	21/10/2023	1st Ttear 100 km	100,00	×1
✓ 33	19/9/2020	2nd Xiaoxiang 100 Trail - Tianmen	100,00	×1
✓ 34	24/11/2018	1st Mountain Hard China - Xichuan 100 km	100,00	×1
✓ 35	20/10/2018	3rd Wild Wolf 100 Chongqing	100,00	×1
✓ 36	15/7/2018	1st Capstone 100	100,00	×1
✓ 37	30/6/2018	2nd Xibopo 100	100,00	×1
✓ 38	21/4/2018	3rd XTrail Wulong 100K	100,00	×1
✓ 39	27/1/2018	8th Hong Kong 100 Ultra Trail Race	100,00	×1
✓ 40	30/9/2017	Fuxian Lake Highland Ultramarathon 100K	100,00	×1
✓ 41	26/8/2017	1st Garmin·Xtrail Qilian 100K	100,00	×1
✓ 42	6/5/2017	2nd XTrail Wulong 100K	100,00	×1
✓ 43	15/4/2017	3rd Jiangnan 100 Ultra Trail - 110km	100,00	×1
✓ 44	27/8/2016	2nd Ultra Trail 100K Mt Gongga	100,00	×1
✓ 45	21/5/2016	1st XTrail Wulong 100K	100,00	×1
✓ 46	7/5/2016	8th The North Face 100 China	100,00	×1
✓ 47	23/4/2016	4th DL100 Ultra Endurance Race	100,00	×1
✓ 48	18/7/2015	2nd Zhangye Qilian Mountain 100 km Trail Challenge	100,00	×1
✓ 49	13/12/2014	2nd The North Face 100 Hong Kong	100,00	×1
✓ 50	6/10/2019	2nd Great Wall 100 Int. Trail	99,00	×1
✓ 51	11/8/2018	1st Inner Mongolia 100km Ultra Marathon - Laoniuwan	96,00	×1
✓ 52	13/4/2019	1st Maxi-Race China - Xixia 100km	95,00	×1
✓ 53	29/6/2019	4th The Grand Wutai Pilgrimage	70,00	—
✓ 54	19/5/2019	2nd Huanglong Ultra Trail	65,00	—
✓ 55	10/4/2021	1st Beauty Mountain Ultra Trail	60,00	—
✓ 56	7/9/2019	4th Devil's Ridge Ultra 60K	60,00	—
✓ 57	7/7/2018	2nd Maxi-Race China - Zengjia Mountain	60,00	—
✓ 58	7/11/2015	1st Ultra Trail Mt Siguniang	60,00	—
✓ 59	29/3/2015	1st Wenchuan Trail	60,00	—
60	3/8/2019	3rd Maxi-Race China - Zengjia Mountain	53,00	—
61	2/12/2018	2nd Yongtai Mt.Qingyun Trail Race	50,00	—
62	6/10/2018	1st Huanglong Extreme Endurance Race	50,00	—
63	8/4/2017	Muye Trail Mount Qingcheng Int. Challenge	50,00	—
64	22/8/2015	1st Ultra Trail 50K Mt Gongga	50,00	—
65	8/6/2019	1st Western-Sichuan Lake Mountain Marathon	47,50	—