Chia-Sheng (賴嘉陞) Lai

Born : 1980 Cat. M45 Ultrarunner since 2009

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 ?

Taiwan

15,9%

Rank quotient ?This runner's calculation uses 78 eligible race(s): Σ(rank − 1) = 2 697; Σ finishers = 16 940. 2 697 / 16 940 × 100 = 15.92%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed87

Km — ultra races7 816 km

> 100 km27

> 160 km4

> 200 km3

> 24h2

Longest race558,6 km

1st Trans-Taiwan Ultra Marathon — 28/3/2015

Km per year (ultra races)

300

2022

400

2023

300

2024

200

2025

200

2026

Race types (share of distance)

Road87,1%

Trail2,6%

Stage10,3%

Wins & podiums (ultra)

🏆 Win2

🏆 Win M2

🏅 Top 37

🏅 Top 3 M8

Longest winning streak1

Current streak0

Records

50 km4h55'10 100 km9h21'00 6 h57,60 km 12 h121,10 km 24 h154,24 km

HISTORY

78 race(s) · 11 stage(s) nested · 15 split(s) nested

Date		Race	Perf.	Rk
2026
14.03	100km	15th Southern Cross-Island Highway 100 km Ultra Marathon	12:55:18 h	89
01.03	100km	9th Fencihu 100 km Ultra Run	14:39:31 h	156
2025
08.03	100km	14th Southern Cross-Island Highway 100 km Ultra Marathon	10:59:25 h	25
23.02	100km	8th Fencihu 100 km Ultra Run	11:44:51 h	30
2024
22.12	100km	7th Shancheng 100 km Ultramarathon	9:21:00 h	4
09.03	100km	13th Southern Cross-Island Highway 100 km Ultra Marathon	11:04:42 h	12
03.03	100km	7th Fencihu 100 km Ultra Run	11:41:44 h	22
2023
24.12	100km	6th Shancheng 100 km Ultramarathon	10:30:39 h	21
17.09	100km	1st Huashan 100 KM	13:31:51 h	85
11.03	100km	12th Southern Cross-Island Highway 100 km Ultra Marathon	9:48:58 h	4
26.02	100km	6th Fencihu 100 km Ultra Run	10:12:42 h	5
2022
25.12	100km	5th Shancheng 100 km Ultramarathon	10:11:38 h	26
12.03	100km	11th Southern Cross-Island Highway 100 km Ultra Marathon	11:07:11 h	25
13.02	100km	5th Fencihu 100 km Ultra Run	10:12:52 h	4
2021
13.03	100km	10th Southern Cross-Island Highway 100 km Ultra Marathon	9:25:20 h	6
28.02	100km	4th Fencihu 100 km Ultra Run	10:06:01 h	5
2020
13.12	100km	4th Shancheng 100 km Ultramarathon	9:41:40 h	2 🥈
09.02	100km	3rd Fencihu 100 km Ultra Run	10:32:55 h	5
2019
08.12	100km	3rd Shancheng 100 km Ultramarathon	12:02:05 h	101
17.08	104km	2nd 800 Heroes - Leisurely Running in Yuli	15:40:35 h	25
15.06	101km	2nd 800 Heroes - Chungliao Mountain 101km	15:42:11 h	42
11.05	103km	2nd 800 Heroes - Leisurely Running in Alishan 103km	15:54:41 h	36
17.03	100km	2nd Fencihu 100 km Ultra Run	11:11:58 h	6
09.03	100km	9th Southern Cross-Island Highway 100 km Ultra Marathon	9:56:10 h	5
05.02	54.4km	12th Tainan Branch Friendship Cup Chinese New Year Marathon	6:54:23 h	154
20.01	106km	1st 800 Heroes - Jinshui Camp Trail 106km	17:16:46 h	37
06.01	100km	1st National University of Kaohsiung 100km	10:24:13 h	9
2018
15.12	105km	1st 800 Heroes - Territory Southward	12:25:54 h	15
09.12	100km	2nd Shancheng 100 km Ultramarathon	12:34:35 h	53
17.11	119km	1st 800 Heroes - Overlord of ZengWen Reservoir	15:37:19 h	20
06.10	104km	1st 800 Heroes - Leisurely Running in Yuli	13:56:23 h	28
21.07	101km	1st 800 Heroes - Leisurely Running in Alishan	14:34:34 h	29
12.05	105km	1st 800 Heroes - Chungliao Mountain 105km	14:29:06 h	22
29.04	100km	1st Fencihu 100 km Ultra Run	12:55:38 h	42
13.04	246km	4th Race Across Taiwan Nonstop 246km	43:07:32 h	25
17.03	100km	8th Southern Cross-Island Highway 100 km Ultra Marathon	10:00:47 h	12
03.03	100km	1st The Peach Blossom Land 100K	10:43:20 h	5
16.02	55km	11th Tainan Branch Friendship Cup Chinese New Year Marathon	7:49:12 h	299
2017
10.12	45.8km	1st Chia Nan Group Marathon	4:00:01 h	63
04.11	119km	1st Overlord of ZengWen Reservoir UltraMarathon	14:43:06 h	2 🥈
05.08	50km	Fenjei Ancient Trail 50	6:25:01 h	5
16.07	47km	2nd Forest of Forget The Sorrow UltraMarathon	7:40:37 h	38
22.04	49.4km	Fengshan Ultramarathon	6:42:22 h	8
16.04	45km	2nd Mountain Majestic Lake Beautiful Ultra Run	9:09:43 h	15
11.03	120km	7th Southern Cross-Island Highway 120 km Ultra Marathon	11:55:32 h	8
19.02	12h	1st Xanadu 12 Hour Ultramarathon	101.410 km	13
11.02	24h	6th Taipei 24hr Ultra Marathon	88.176 km	52
11.02	50km	6th Taipei 24hr Ultra Marathon - 50km Split	4:38:50 h	8
11.02	6h	6th Taipei 24hr Ultra Marathon - 6h Split	61.456 km	11
11.02	50mi	6th Taipei 24hr Ultra Marathon - 50mi Split	8:09:15 h	13
11.02	12h	6th Taipei 24hr Ultra Marathon - 12h Split	88.176 km	35
28.01	51.8km	10th Tainan Branch Friendship Cup Chinese New Year Marathon	6:48:08 h	259
08.01	100km	5th Zhenxibao (Cinsbu) 100 km Ultramarathon	10:57:41 h	28
2016
31.12	110km	2nd Hualein international 110 km Ultramarathon	10:59:28 h	4
19.11	12h	4th Kaohsiung 12h Track UltraMarathon	119.948 km	4
19.11	6h	4th Kaohsiung 12h Track UltraMarathon - 6h Split	63.000 km	3 🥉
24.09	45.6km	1st Tsou Customs Ultramarathon	6:30:23 h	4
27.08	6h	1st Doubang 6h Ultramarathon	57.600 km	15
02.04	164km	2nd Race Across Taiwan Nonstop 164km	21:43:06 h	1 🏆
26.03	108km	1st Territory Southward Ultramarathon	13:30:12 h	7
12.03	120km	6th Southern Cross-Island Highway 120 km Ultra Marathon	12:22:52 h	5
28.02	112km	1st Surround PengHu UltraMarathon - 112 km	11:55:49 h	1 🏆
08.02	53.5km	9th Tainan Branch Friendship Cup Chinese New Year Marathon	5:11:44 h	25
31.01	101km	1st Kaohsiung The limit 101 Ultramarathon	12:49:17 h	4
24.01	50km	4th Zhenxibao (Cinsbu) 50 km Ultramarathon	5:23:22 h	62
2015
31.10	12h	3rd Kaohsiung 12h Track UltraMarathon	121.021 km	3 🥉
31.10	50km	3rd Kaohsiung 12h Track UltraMarathon - 50km Split	4:26:50 h	4
31.10	6h	3rd Kaohsiung 12h Track UltraMarathon - 6h Split	66.451 km	3 🥉
31.10	50mi	3rd Kaohsiung 12h Track UltraMarathon - 50m Split	7:27:21 h	3 🥉
31.10	100km	3rd Kaohsiung 12h Track UltraMarathon - 100km Split	9:37:18 h	3 🥉
28.03–04.04	558.6km/8stages	1st Trans-Taiwan Ultra Marathon	2d 14:27:48 h	3 🥉
28.03	62.2km	1st Trans-Taiwan Ultra Marathon Stage 1 (Fukueichiao - Guanyin)	7:15:10 h	17
29.03	93.6km	1st Trans-Taiwan Ultra Marathon Stage 2 (Guanyin - Sanyi)	10:11:27 h	4
30.03	60.9km	1st Trans-Taiwan Ultra Marathon Stage 3 (Sanyi - Lukang)	6:39:30 h	7
31.03	88km	1st Trans-Taiwan Ultra Marathon Stage 4 (Lukang - Puzi)	9:48:58 h	2 🥈
01.04	68.1km	1st Trans-Taiwan Ultra Marathon Stage 5 (Puzi - Tainan)	8:01:51 h	3 🥉
02.04	74.4km	1st Trans-Taiwan Ultra Marathon Stage 6 (Tainan - Neipu)	8:37:42 h	3 🥉
03.04	55.8km	1st Trans-Taiwan Ultra Marathon Stage 7 (Neipu - Fangshan)	5:45:05 h	4
04.04	55.6km	1st Trans-Taiwan Ultra Marathon Stage 8 (Fangshan - Eluanpi)	6:08:05 h	5
07.03	108km	5th Southern Cross-Island Highway 108 km Ultra Marathon	10:14:07 h	3 🥉
21.02	45km	1st Shueilin Ultramarathon	3:56:15 h	12
19.02	50km	8th Tainan Branch Friendship Cup Chinese New Year Marathon	4:55:10 h	54
25.01	100km	3rd Zhenxibao (Cinsbu) 100 km Ultramarathon	10:01:58 h	10
10.01	50km	1st Yunlin Ultramarathon	4:55:43 h	63
2014
06.12	24h	14th Soochow/Taipei 24h Ultramarathon	154.243 km	33
06.12	6h	14th Soochow/Taipei 24h Ultramarathon - 6h Split	62.567 km	22
06.12	12h	14th Soochow/Taipei 24h Ultramarathon - 12h Split	109.696 km	25
27.03	246km/3stages	1st Race Across Taiwan stage race	30:34:16 h	4
27.03	81km	1st Race Across Taiwan stage race - Stage 1 Taichung Port to Puli	9:26:17 h	8
28.03	65km	1st Race Across Taiwan stage race - Stage 2 Puli to Tsuifeng	8:27:00 h	6
29.03	100km	1st Race Across Taiwan stage race - Stage 3 Tsuifeng to Fushih	12:40:59 h	21
08.03	108km	4th Southern Cross-Island Highway 108 km Ultra Marathon	10:39:05 h	4
23.02	100km	2nd Zhenxibao (Cinsbu) 100 km Ultramarathon	10:08:51 h	8
31.01	54km	7th Tainan Branch Friendship Cup Chinese New Year Marathon	4:39:50 h	12
2013
05.10	12h	1st Kaohsiung 12h Track UltraMarathon	121.102 km	6
05.10	50km	1st Kaohsiung 12h Track UltraMarathon - 50km Split	4:38:43 h	19
05.10	6h	1st Kaohsiung 12h Track UltraMarathon - 6h Split	63.600 km	12
05.10	50mi	1st Kaohsiung 12h Track UltraMarathon - 50mi Split	7:43:16 h	7
05.10	100km	1st Kaohsiung 12h Track UltraMarathon - 100km Split	9:43:40 h	7
10.02	46.9km	6th Tainan Branch Friendship Cup Chinese New Year Marathon	4:14:31 h	9
2012
23.01	48.6km	5th Tainan Branch Friendship Cup Chinese New Year Marathon	4:44:17 h	38
2010
17.10	45.6km	Hengchun Airport ultra marathon	4:23:25 h	206
14.02	50km	3rd Tainan Branch Friendship Cup Chinese New Year Marathon	5:14:34 h	78
2009
26.01	46.5km	2nd Tainan Branch Friendship Cup Chinese New Year Marathon	5:29:25 h	115

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	28/3/2015	1st Trans-Taiwan Ultra Marathon	558,60	×8
✓ 2	13/4/2018	4th Race Across Taiwan Nonstop 246km	246,00	×3
✓ 3	27/3/2014	1st Race Across Taiwan stage race	246,00	×3
✓ 4	2/4/2016	2nd Race Across Taiwan Nonstop 164km	164,00	×2
✓ 5	6/12/2014	14th Soochow/Taipei 24h Ultramarathon	154,24	×2
✓ 6	5/10/2013	1st Kaohsiung 12h Track UltraMarathon	121,10	×1
✓ 7	31/10/2015	3rd Kaohsiung 12h Track UltraMarathon	121,02	×1
✓ 8	11/3/2017	7th Southern Cross-Island Highway 120 km Ultra Marathon	120,00	×1
✓ 9	12/3/2016	6th Southern Cross-Island Highway 120 km Ultra Marathon	120,00	×1
✓ 10	19/11/2016	4th Kaohsiung 12h Track UltraMarathon	119,95	×1
✓ 11	17/11/2018	1st 800 Heroes - Overlord of ZengWen Reservoir	119,00	×1
✓ 12	4/11/2017	1st Overlord of ZengWen Reservoir UltraMarathon	119,00	×1
✓ 13	28/2/2016	1st Surround PengHu UltraMarathon - 112 km	112,00	×1
✓ 14	31/12/2016	2nd Hualein international 110 km Ultramarathon	110,00	×1
✓ 15	26/3/2016	1st Territory Southward Ultramarathon	108,00	×1
✓ 16	7/3/2015	5th Southern Cross-Island Highway 108 km Ultra Marathon	108,00	×1
✓ 17	8/3/2014	4th Southern Cross-Island Highway 108 km Ultra Marathon	108,00	×1
✓ 18	20/1/2019	1st 800 Heroes - Jinshui Camp Trail 106km	106,00	×1
✓ 19	15/12/2018	1st 800 Heroes - Territory Southward	105,00	×1
✓ 20	12/5/2018	1st 800 Heroes - Chungliao Mountain 105km	105,00	×1
✓ 21	17/8/2019	2nd 800 Heroes - Leisurely Running in Yuli	104,00	×1
✓ 22	6/10/2018	1st 800 Heroes - Leisurely Running in Yuli	104,00	×1
✓ 23	11/5/2019	2nd 800 Heroes - Leisurely Running in Alishan 103km	103,00	×1
✓ 24	19/2/2017	1st Xanadu 12 Hour Ultramarathon	101,41	×1
✓ 25	15/6/2019	2nd 800 Heroes - Chungliao Mountain 101km	101,00	×1
✓ 26	21/7/2018	1st 800 Heroes - Leisurely Running in Alishan	101,00	×1
✓ 27	31/1/2016	1st Kaohsiung The limit 101 Ultramarathon	101,00	×1
✓ 28	14/3/2026	15th Southern Cross-Island Highway 100 km Ultra Marathon	100,00	×1
✓ 29	1/3/2026	9th Fencihu 100 km Ultra Run	100,00	×1
✓ 30	8/3/2025	14th Southern Cross-Island Highway 100 km Ultra Marathon	100,00	×1
✓ 31	23/2/2025	8th Fencihu 100 km Ultra Run	100,00	×1
✓ 32	22/12/2024	7th Shancheng 100 km Ultramarathon	100,00	×1
✓ 33	9/3/2024	13th Southern Cross-Island Highway 100 km Ultra Marathon	100,00	×1
✓ 34	3/3/2024	7th Fencihu 100 km Ultra Run	100,00	×1
✓ 35	24/12/2023	6th Shancheng 100 km Ultramarathon	100,00	×1
✓ 36	17/9/2023	1st Huashan 100 KM	100,00	×1
✓ 37	11/3/2023	12th Southern Cross-Island Highway 100 km Ultra Marathon	100,00	×1
✓ 38	26/2/2023	6th Fencihu 100 km Ultra Run	100,00	×1
✓ 39	25/12/2022	5th Shancheng 100 km Ultramarathon	100,00	×1
✓ 40	12/3/2022	11th Southern Cross-Island Highway 100 km Ultra Marathon	100,00	×1
✓ 41	13/2/2022	5th Fencihu 100 km Ultra Run	100,00	×1
✓ 42	13/3/2021	10th Southern Cross-Island Highway 100 km Ultra Marathon	100,00	×1
✓ 43	28/2/2021	4th Fencihu 100 km Ultra Run	100,00	×1
✓ 44	13/12/2020	4th Shancheng 100 km Ultramarathon	100,00	×1
✓ 45	9/2/2020	3rd Fencihu 100 km Ultra Run	100,00	×1
✓ 46	8/12/2019	3rd Shancheng 100 km Ultramarathon	100,00	×1
✓ 47	17/3/2019	2nd Fencihu 100 km Ultra Run	100,00	×1
✓ 48	9/3/2019	9th Southern Cross-Island Highway 100 km Ultra Marathon	100,00	×1
✓ 49	6/1/2019	1st National University of Kaohsiung 100km	100,00	×1
✓ 50	9/12/2018	2nd Shancheng 100 km Ultramarathon	100,00	×1
✓ 51	29/4/2018	1st Fencihu 100 km Ultra Run	100,00	×1
✓ 52	17/3/2018	8th Southern Cross-Island Highway 100 km Ultra Marathon	100,00	×1
✓ 53	3/3/2018	1st The Peach Blossom Land 100K	100,00	×1
✓ 54	8/1/2017	5th Zhenxibao (Cinsbu) 100 km Ultramarathon	100,00	×1
✓ 55	25/1/2015	3rd Zhenxibao (Cinsbu) 100 km Ultramarathon	100,00	×1
✓ 56	23/2/2014	2nd Zhenxibao (Cinsbu) 100 km Ultramarathon	100,00	×1
✓ 57	11/2/2017	6th Taipei 24hr Ultra Marathon	88,18	×1
58	27/8/2016	1st Doubang 6h Ultramarathon	57,60	—
59	16/2/2018	11th Tainan Branch Friendship Cup Chinese New Year Marathon	55,00	—
60	5/2/2019	12th Tainan Branch Friendship Cup Chinese New Year Marathon	54,40	—
61	31/1/2014	7th Tainan Branch Friendship Cup Chinese New Year Marathon	54,00	—
62	8/2/2016	9th Tainan Branch Friendship Cup Chinese New Year Marathon	53,50	—
63	28/1/2017	10th Tainan Branch Friendship Cup Chinese New Year Marathon	51,80	—
64	5/8/2017	Fenjei Ancient Trail 50	50,00	—
65	24/1/2016	4th Zhenxibao (Cinsbu) 50 km Ultramarathon	50,00	—
66	19/2/2015	8th Tainan Branch Friendship Cup Chinese New Year Marathon	50,00	—
67	10/1/2015	1st Yunlin Ultramarathon	50,00	—
68	14/2/2010	3rd Tainan Branch Friendship Cup Chinese New Year Marathon	50,00	—
69	22/4/2017	Fengshan Ultramarathon	49,40	—
70	23/1/2012	5th Tainan Branch Friendship Cup Chinese New Year Marathon	48,60	—
71	16/7/2017	2nd Forest of Forget The Sorrow UltraMarathon	47,00	—
72	10/2/2013	6th Tainan Branch Friendship Cup Chinese New Year Marathon	46,90	—
73	26/1/2009	2nd Tainan Branch Friendship Cup Chinese New Year Marathon	46,50	—
74	10/12/2017	1st Chia Nan Group Marathon	45,80	—
75	24/9/2016	1st Tsou Customs Ultramarathon	45,60	—
76	17/10/2010	Hengchun Airport ultra marathon	45,60	—
77	16/4/2017	2nd Mountain Majestic Lake Beautiful Ultra Run	45,00	—
78	21/2/2015	1st Shueilin Ultramarathon	45,00	—