Kao-Shen (蔡高勝) Tsai

Born : 1953 Cat. M70 Ultrarunner since 2010

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 ?

Japan

Taiwan

39,5%

Rank quotient ?This runner's calculation uses 98 eligible race(s): Σ(rank − 1) = 12 292; Σ finishers = 31 097. 12 292 / 31 097 × 100 = 39.53%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed99

Km — ultra races8 842 km

> 100 km22

> 160 km6

> 200 km2

> 24h5

Longest race246,0 km

5th Race Across Taiwan Nonstop 246km — 12/4/2019

Km per year (ultra races)

100

2022

200

2023

116

2024

110

2025

100

2026

Race types (share of distance)

Road90,2%

Trail8,1%

Stage1,8%

Wins & podiums (ultra)

🏆 Win0

🏆 Win M0

🏅 Top 31

🏅 Top 3 M1

Longest winning streak0

Current streak0

Records

50 km4h30'47 100 km10h58'01 100 mi27h25'50 6 h53,52 km 12 h113,32 km 24 h173,25 km

HISTORY

98 race(s) · 2 stage(s) nested · 29 split(s) nested

Date		Race	Perf.	Rk
2026
11.04	50km	2nd Xuhai Ultra Marathon	6:44:57 h	36
01.03	50km	9th Fencihu 50 km Ultra Run	7:38:04 h	43
2025
22.11	60km	1st The Liudui Hakka Ultra Marathon	8:43:25 h	117
23.02	50km	8th Fencihu 50 km Ultra Run	7:04:04 h	53
2024
22.12	65.5km	7th Shancheng 66 km Ultramarathon	8:34:47 h	21
03.03	50km	7th Fencihu 50 km Ultra Run	6:37:07 h	29
2023
11.03	100km	12th Southern Cross-Island Highway 100 km Ultra Marathon	14:04:56 h	173
26.02	100km	6th Fencihu 100 km Ultra Run	14:31:52 h	191
2022
25.12	100km	5th Shancheng 100 km Ultramarathon	14:48:30 h	367
2021
13.03	100km	10th Southern Cross-Island Highway 100 km Ultra Marathon	13:47:07 h	352
28.02	100km	4th Fencihu 100 km Ultra Run	14:35:25 h	207
12.02	58.6km	14th Chinese New Year Marathon - Ox	7:10:48 h	68
30.01	100km	10th Taipei 100km Ultra Marathon	13:56:15 h	29
2020
13.12	100km	4th Shancheng 100 km Ultramarathon	13:53:45 h	203
19.09	100km	3rd Taiwania 100 Ultra Trail	14:52:07 h	76
2019
22.11	100km	8th Yilan Dongshan River 100km Ultra-Marathon Night Run	16:15:31 h	60
16.11	24h	7th Kaohsiung 24h UltraMarathon	131.250 km	20
14.07	45.8km	4th Lovers' Gorge Ultra Run	5:24:06 h	71
09.06	100km	8th Hida Takayama 100 km Ultramarathon	13:52:27 h	1798
12.04	246km	5th Race Across Taiwan Nonstop 246km	42:55:36 h	21
17.03	100km	2nd Fencihu 100 km Ultra Run	13:07:42 h	35
09.03	100km	9th Southern Cross-Island Highway 100 km Ultra Marathon	12:56:17 h	88
02.03	100km	2nd Taiwania 100 Ultra Trail	13:35:11 h	109
05.02	54.4km	12th Tainan Branch Friendship Cup Chinese New Year Marathon	6:09:23 h	56
27.01	50km	1st Water and Green Ultra Run	6:10:49 h	43
20.01	100km	7th Zhenxibao (Cinsbu) 100 km Ultramarathon	13:32:24 h	340
2018
01.12	65km	3rd Formosa Trail 65km	14:49:30 h	60
03.11	24h	6th Kaohsiung 24h UltraMarathon	173.250 km	6
03.11	50km	6th Kaohsiung 24h UltraMarathon - 50km Split	5:50:23 h	27
03.11	6h	6th Kaohsiung 24h UltraMarathon - 6h Split	50.750 km	26
03.11	50mi	6th Kaohsiung 24h UltraMarathon - 50mi Split	10:23:35 h	21
03.11	12h	6th Kaohsiung 24h UltraMarathon - 12h Split	89.250 km	20
03.11	100km	6th Kaohsiung 24h UltraMarathon - 100km Split	13:45:53 h	19
03.11	100mi	6th Kaohsiung 24h UltraMarathon - 100mi Split	22:09:11 h	7
27.10	102km	2nd Tour de KinMen Ultra Marathon	14:02:24 h	18
22.09	6h	3rd Doubang 6h Ultramarathon	52.480 km	34
16.09	100km	18th Tango 100 km Ultramarathon	12:50:20 h	497
22.07	100km	8th North Okhotsk 100 km Marathon	12:52:10 h	175
12.05	105km	1st 800 Heroes - Chungliao Mountain 105km	14:33:16 h	24
29.04	100km	1st Fencihu 100 km Ultra Run	14:04:14 h	81
13.04	246km	4th Race Across Taiwan Nonstop 246km	42:37:19 h	22
17.03	100km	8th Southern Cross-Island Highway 100 km Ultra Marathon	13:33:11 h	286
10.03	100km	1st Taiwania 100 Ultra Trail	14:24:19 h	100
10.02	24h	7th Taipei 24hr Ultra Marathon	167.076 km	23
10.02	50km	7th Taipei 24hr Ultra Marathon - 50km Split	5:30:06 h	38
10.02	6h	7th Taipei 24hr Ultra Marathon - 6h Split	53.703 km	38
10.02	50mi	7th Taipei 24hr Ultra Marathon - 50mi Split	10:10:00 h	45
10.02	12h	7th Taipei 24hr Ultra Marathon - 12h Split	92.157 km	40
10.02	100km	7th Taipei 24hr Ultra Marathon - 100km Split	13:22:58 h	40
10.02	100mi	7th Taipei 24hr Ultra Marathon - 100mi Split	23:12:16 h	24
21.01	100km	6th Zhenxibao (Cinsbu) 100 km Ultramarathon I	13:45:46 h	25
2017
23.12	101mi	2nd Guanshan 101mi Ultramarathon	27:25:50 h	13
04.11	24h	5th Kaohsiung 24h UltraMarathon	138.250 km	22
04.11	6h	5th Kaohsiung 24h UltraMarathon - 6h Split	47.250 km	30
04.11	50km	5th Kaohsiung 24h UltraMarathon - 50km Split	6:28:14 h	32
04.11	50mi	5th Kaohsiung 24h UltraMarathon - 50mi Split	11:59:01 h	28
04.11	12h	5th Kaohsiung 24h UltraMarathon - 12h Split	80.500 km	24
04.11	100km	5th Kaohsiung 24h UltraMarathon - 100km Split	17:24:20 h	31
15.10	100km	23rd River Shimanto 100km	13:15:46 h	905
09.10	100km	3rd Buddha's Palm 100km Ultramarathon	15:22:16 h	51
02.07	100km	1st Nikko 100km Ultramarathon	13:07:05 h	627
21.05	100km	23rd Yatsugatake Nobeyama 100 km	13:51:46 h	958
01.04	165km	3rd Race Across Taiwan Nonstop 165km	26:33:36 h	3 🥉
11.03	120km	7th Southern Cross-Island Highway 120 km Ultra Marathon	14:29:34 h	56
19.02	12h	1st Xanadu 12 Hour Ultramarathon	98.370 km	17
11.02	24h	6th Taipei 24hr Ultra Marathon	144.956 km	31
11.02	50km	6th Taipei 24hr Ultra Marathon - 50km Split	5:38:57 h	39
11.02	6h	6th Taipei 24hr Ultra Marathon - 6h Split	52.772 km	39
11.02	50mi	6th Taipei 24hr Ultra Marathon - 50mi Split	11:01:18 h	40
11.02	12h	6th Taipei 24hr Ultra Marathon - 12h Split	85.504 km	41
11.02	100km	6th Taipei 24hr Ultra Marathon - 100km Split	15:00:14 h	37
28.01	51.8km	10th Tainan Branch Friendship Cup Chinese New Year Marathon	5:42:07 h	92
14.01	100km	5th Yangmingshan 100km Ultra Marathon	13:42:42 h	14
08.01	100km	5th Zhenxibao (Cinsbu) 100 km Ultramarathon	13:03:40 h	209
2016
31.12	110km	2nd Hualein international 110 km Ultramarathon	14:17:15 h	27
18.12	12h	2nd National University of Kaohsiung 12h	102.950 km	16
20.11	100km	2nd Chuoshui River 100 km Ultramarathon	11:49:41 h	16
11.09	100km	4th 100 km Ultramarathon Hakusan-Shirakawago	12:53:51 h	246
09.04	100km	1st Run Around Penghu 100 km Run	12:28:52 h	9
02.04	106km	2nd Race Across Taiwan Nonstop 106km	14:48:05 h	5
12.03	120km	6th Southern Cross-Island Highway 120 km Ultra Marathon	14:50:59 h	95
06.03	47.3km	2nd Zhongliao Mountain Ultramarathon	5:41:39 h	63
21.02	110km	1st Blue Whale Ultramarathon 110 km	13:44:59 h	39
08.02	53.5km	9th Tainan Branch Friendship Cup Chinese New Year Marathon	5:21:04 h	30
24.01	75km	4th Zhenxibao (Cinsbu) 75 km Ultramarathon	11:02:46 h	98
09.01	100km	4th Yangmingshan 100km Ultra Marathon	13:52:01 h	32
2015
31.10	12h	3rd Kaohsiung 12h Track UltraMarathon	109.644 km	10
31.10	50km	3rd Kaohsiung 12h Track UltraMarathon - 50km Split	5:06:40 h	22
31.10	6h	3rd Kaohsiung 12h Track UltraMarathon - 6h Split	56.899 km	25
31.10	50mi	3rd Kaohsiung 12h Track UltraMarathon - 50m Split	8:37:19 h	16
31.10	100km	3rd Kaohsiung 12h Track UltraMarathon - 100km Split	10:57:14 h	12
09.10	48km	1st Jhushan Ultramarathon	5:32:50 h	171
07.03	108km	5th Southern Cross-Island Highway 108 km Ultra Marathon	12:33:35 h	43
19.02	50km	8th Tainan Branch Friendship Cup Chinese New Year Marathon	4:46:32 h	37
25.01	100km	3rd Zhenxibao (Cinsbu) 100 km Ultramarathon	11:46:16 h	82
2014
28.12	66km	3rd Yangmingshan Ultra Marathon	7:28:21 h	67
26.04	45km	1st Hengchun Shanhai Ultramarathon	4:59:04 h	74
06.04	45.6km	1st Mingde Reservoir Ultramarathon	4:26:36 h	105
08.03	100km	4th Southern Cross-Island Highway 100 km Ultra Marathon	11:43:03 h	47
31.01	54km	7th Tainan Branch Friendship Cup Chinese New Year Marathon	6:10:52 h	177
26.01	6h	1st Yizai Jincheng 6h Ultramarathon	53.516 km	138
2013
05.10	12h	1st Kaohsiung 12h Track UltraMarathon	94.693 km	67
05.10	50km	1st Kaohsiung 12h Track UltraMarathon - 50km Split	5:32:25 h	82
05.10	6h	1st Kaohsiung 12h Track UltraMarathon - 6h Split	53.161 km	83
05.10	50mi	1st Kaohsiung 12h Track UltraMarathon - 50mi Split	9:59:45 h	71
25.08	50km	1st Shiding 50km Ultramarathon	6:25:58 h	107
18.08	50km	2nd Taitung Liji badland 50km Ultra Marathon	5:20:02 h	62
14.04	100km	1st Zhenxibao (Cinsbu) 100 km Ultramarathon	13:48:25 h	116
30–31.03	155.5km/2stages	1st Tour de Taiwan Island 2 Stages Ultramarathon (Taipei to Jiaosi)	17:57:47 h	11
30.03	74km	1st Tour de Taiwan Island 2 Stages Ultramarathon - Stage 1 (Taipei to Keelung)	7:59:49 h	11
31.03	81.5km	1st Tour de Taiwan Island 2 Stages Ultramarathon - Stage 2 (Keelung to Jiaosi)	9:57:58 h	10
16.03	100km	3rd Southern Cross-Island Highway 100 km Ultra Marathon	12:19:35 h	93
2012
10.10	50km	2nd Flex Power National 50K Track Taipei	4:56:08 h	95
23.09	50km	2nd Flex Power National 50K Track Kaosiung	5:23:00 h	96
09.09	50km	2nd Flex Power National 50K Track Taichung	5:22:38 h	102
12.08	7h	Bei-tou Long-fong-gu 7 Hrs Ultra-marathon	46.072 km	165
05.05	53.5km	1st Bei-yi Freeway Ultra Marathon	5:27:17 h	71
29.04	50km	Ilan Donshan River 50 km Ultra-marathon	4:30:47 h	68
25.03	12h	2nd National Taipei University 12H Ultra Marathon	113.320 km	26
10.03	100km	2nd Southern Cross-Island Highway 100 km Ultra Marathon	11:05:13 h	68
26.02	50km	Hua-shan 50K Ultra Marathon	4:55:39 h	111
23.01	48.6km	5th Tainan Branch Friendship Cup Chinese New Year Marathon	4:22:16 h	16
2011
24.12	61km	1th Yangmingshan Ultra Marathon	6:14:47 h	40
22.10	12h	1st Taipei ocean 12H Ultramarathon	111.620 km	15
28.05	100km	1st Southern Cross-Island Highway 100 km Ultra Marathon	10:58:01 h	49
03.02	54.3km	4th Tainan Branch Friendship Cup Chinese New Year Marathon	4:54:38 h	11
2010
17.10	45.6km	Hengchun Airport ultra marathon	4:12:08 h	135
01.08	50km	3rd Kaohsiung Summer 50km Ultramarathon	6:13:23 h	169
16.05	50km	2nd Youth Park Cup 50K cross-country Ultra Marathon	5:20:16 h	115

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	12/4/2019	5th Race Across Taiwan Nonstop 246km	246,00	×3
✓ 2	13/4/2018	4th Race Across Taiwan Nonstop 246km	246,00	×3
✓ 3	3/11/2018	6th Kaohsiung 24h UltraMarathon	173,25	×2
✓ 4	10/2/2018	7th Taipei 24hr Ultra Marathon	167,08	×2
✓ 5	1/4/2017	3rd Race Across Taiwan Nonstop 165km	165,00	×2
✓ 6	23/12/2017	2nd Guanshan 101mi Ultramarathon	162,54	×2
✓ 7	30/3/2013	1st Tour de Taiwan Island 2 Stages Ultramarathon (Taipei to Jiaosi)	155,50	×2
✓ 8	11/2/2017	6th Taipei 24hr Ultra Marathon	144,96	×2
✓ 9	4/11/2017	5th Kaohsiung 24h UltraMarathon	138,25	×1
✓ 10	16/11/2019	7th Kaohsiung 24h UltraMarathon	131,25	×1
✓ 11	11/3/2017	7th Southern Cross-Island Highway 120 km Ultra Marathon	120,00	×1
✓ 12	12/3/2016	6th Southern Cross-Island Highway 120 km Ultra Marathon	120,00	×1
✓ 13	25/3/2012	2nd National Taipei University 12H Ultra Marathon	113,32	×1
✓ 14	22/10/2011	1st Taipei ocean 12H Ultramarathon	111,62	×1
✓ 15	31/12/2016	2nd Hualein international 110 km Ultramarathon	110,00	×1
✓ 16	21/2/2016	1st Blue Whale Ultramarathon 110 km	110,00	×1
✓ 17	31/10/2015	3rd Kaohsiung 12h Track UltraMarathon	109,64	×1
✓ 18	7/3/2015	5th Southern Cross-Island Highway 108 km Ultra Marathon	108,00	×1
✓ 19	2/4/2016	2nd Race Across Taiwan Nonstop 106km	106,00	×1
✓ 20	12/5/2018	1st 800 Heroes - Chungliao Mountain 105km	105,00	×1
✓ 21	18/12/2016	2nd National University of Kaohsiung 12h	102,95	×1
✓ 22	27/10/2018	2nd Tour de KinMen Ultra Marathon	102,00	×1
✓ 23	11/3/2023	12th Southern Cross-Island Highway 100 km Ultra Marathon	100,00	×1
✓ 24	26/2/2023	6th Fencihu 100 km Ultra Run	100,00	×1
✓ 25	25/12/2022	5th Shancheng 100 km Ultramarathon	100,00	×1
✓ 26	13/3/2021	10th Southern Cross-Island Highway 100 km Ultra Marathon	100,00	×1
✓ 27	28/2/2021	4th Fencihu 100 km Ultra Run	100,00	×1
✓ 28	30/1/2021	10th Taipei 100km Ultra Marathon	100,00	×1
✓ 29	13/12/2020	4th Shancheng 100 km Ultramarathon	100,00	×1
✓ 30	19/9/2020	3rd Taiwania 100 Ultra Trail	100,00	×1
✓ 31	22/11/2019	8th Yilan Dongshan River 100km Ultra-Marathon Night Run	100,00	×1
✓ 32	9/6/2019	8th Hida Takayama 100 km Ultramarathon	100,00	×1
✓ 33	17/3/2019	2nd Fencihu 100 km Ultra Run	100,00	×1
✓ 34	9/3/2019	9th Southern Cross-Island Highway 100 km Ultra Marathon	100,00	×1
✓ 35	2/3/2019	2nd Taiwania 100 Ultra Trail	100,00	×1
✓ 36	20/1/2019	7th Zhenxibao (Cinsbu) 100 km Ultramarathon	100,00	×1
✓ 37	16/9/2018	18th Tango 100 km Ultramarathon	100,00	×1
✓ 38	22/7/2018	8th North Okhotsk 100 km Marathon	100,00	×1
✓ 39	29/4/2018	1st Fencihu 100 km Ultra Run	100,00	×1
✓ 40	17/3/2018	8th Southern Cross-Island Highway 100 km Ultra Marathon	100,00	×1
✓ 41	10/3/2018	1st Taiwania 100 Ultra Trail	100,00	×1
✓ 42	21/1/2018	6th Zhenxibao (Cinsbu) 100 km Ultramarathon I	100,00	×1
✓ 43	15/10/2017	23rd River Shimanto 100km	100,00	×1
✓ 44	9/10/2017	3rd Buddha's Palm 100km Ultramarathon	100,00	×1
✓ 45	2/7/2017	1st Nikko 100km Ultramarathon	100,00	×1
✓ 46	21/5/2017	23rd Yatsugatake Nobeyama 100 km	100,00	×1
✓ 47	14/1/2017	5th Yangmingshan 100km Ultra Marathon	100,00	×1
✓ 48	8/1/2017	5th Zhenxibao (Cinsbu) 100 km Ultramarathon	100,00	×1
✓ 49	20/11/2016	2nd Chuoshui River 100 km Ultramarathon	100,00	×1
✓ 50	11/9/2016	4th 100 km Ultramarathon Hakusan-Shirakawago	100,00	×1
✓ 51	9/4/2016	1st Run Around Penghu 100 km Run	100,00	×1
✓ 52	9/1/2016	4th Yangmingshan 100km Ultra Marathon	100,00	×1
✓ 53	25/1/2015	3rd Zhenxibao (Cinsbu) 100 km Ultramarathon	100,00	×1
✓ 54	8/3/2014	4th Southern Cross-Island Highway 100 km Ultra Marathon	100,00	×1
✓ 55	14/4/2013	1st Zhenxibao (Cinsbu) 100 km Ultramarathon	100,00	×1
✓ 56	16/3/2013	3rd Southern Cross-Island Highway 100 km Ultra Marathon	100,00	×1
✓ 57	10/3/2012	2nd Southern Cross-Island Highway 100 km Ultra Marathon	100,00	×1
✓ 58	28/5/2011	1st Southern Cross-Island Highway 100 km Ultra Marathon	100,00	×1
✓ 59	19/2/2017	1st Xanadu 12 Hour Ultramarathon	98,37	×1
✓ 60	5/10/2013	1st Kaohsiung 12h Track UltraMarathon	94,69	×1
✓ 61	24/1/2016	4th Zhenxibao (Cinsbu) 75 km Ultramarathon	75,00	×1
✓ 62	28/12/2014	3rd Yangmingshan Ultra Marathon	66,00	—
✓ 63	22/12/2024	7th Shancheng 66 km Ultramarathon	65,50	—
✓ 64	1/12/2018	3rd Formosa Trail 65km	65,00	—
65	24/12/2011	1th Yangmingshan Ultra Marathon	61,00	—
66	22/11/2025	1st The Liudui Hakka Ultra Marathon	60,00	—
67	12/2/2021	14th Chinese New Year Marathon - Ox	58,60	—
68	5/2/2019	12th Tainan Branch Friendship Cup Chinese New Year Marathon	54,40	—
69	3/2/2011	4th Tainan Branch Friendship Cup Chinese New Year Marathon	54,30	—
70	31/1/2014	7th Tainan Branch Friendship Cup Chinese New Year Marathon	54,00	—
71	26/1/2014	1st Yizai Jincheng 6h Ultramarathon	53,52	—
72	8/2/2016	9th Tainan Branch Friendship Cup Chinese New Year Marathon	53,50	—
73	5/5/2012	1st Bei-yi Freeway Ultra Marathon	53,50	—
74	22/9/2018	3rd Doubang 6h Ultramarathon	52,48	—
75	28/1/2017	10th Tainan Branch Friendship Cup Chinese New Year Marathon	51,80	—
76	11/4/2026	2nd Xuhai Ultra Marathon	50,00	—
77	1/3/2026	9th Fencihu 50 km Ultra Run	50,00	—
78	23/2/2025	8th Fencihu 50 km Ultra Run	50,00	—
79	3/3/2024	7th Fencihu 50 km Ultra Run	50,00	—
80	27/1/2019	1st Water and Green Ultra Run	50,00	—
81	19/2/2015	8th Tainan Branch Friendship Cup Chinese New Year Marathon	50,00	—
82	25/8/2013	1st Shiding 50km Ultramarathon	50,00	—
83	18/8/2013	2nd Taitung Liji badland 50km Ultra Marathon	50,00	—
84	10/10/2012	2nd Flex Power National 50K Track Taipei	50,00	—
85	23/9/2012	2nd Flex Power National 50K Track Kaosiung	50,00	—
86	9/9/2012	2nd Flex Power National 50K Track Taichung	50,00	—
87	29/4/2012	Ilan Donshan River 50 km Ultra-marathon	50,00	—
88	26/2/2012	Hua-shan 50K Ultra Marathon	50,00	—
89	1/8/2010	3rd Kaohsiung Summer 50km Ultramarathon	50,00	—
90	16/5/2010	2nd Youth Park Cup 50K cross-country Ultra Marathon	50,00	—
91	23/1/2012	5th Tainan Branch Friendship Cup Chinese New Year Marathon	48,60	—
92	9/10/2015	1st Jhushan Ultramarathon	48,00	—
93	6/3/2016	2nd Zhongliao Mountain Ultramarathon	47,30	—
94	12/8/2012	Bei-tou Long-fong-gu 7 Hrs Ultra-marathon	46,07	—
95	14/7/2019	4th Lovers' Gorge Ultra Run	45,80	—
96	6/4/2014	1st Mingde Reservoir Ultramarathon	45,60	—
97	17/10/2010	Hengchun Airport ultra marathon	45,60	—
98	26/4/2014	1st Hengchun Shanhai Ultramarathon	45,00	—