Say-Niong (Borong) Lau

Born : 1967 Cat. M55 Ultrarunner since 2016

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

Indonesia

Italy

Japan

Laos

Malaysia

Singapore

Thailand

Vietnam

43,8%

Rank quotient ?This runner's calculation uses 97 eligible race(s): Σ(rank − 1) = 8 242; Σ finishers = 18 832. 8 242 / 18 832 × 100 = 43.77%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed100

Km — ultra races9 692 km

> 100 km22

> 160 km10

> 200 km3

> 24h2

Longest race330,0 km

15° TOR330 - Tor des Géants — 8/9/2024

Km per year (ultra races)

625

2022

667

2023

1 425

2024

694

2025

380

2026

Race types (share of distance)

Road24,0%

Trail73,3%

Stage1,9%

Ult.Walk0,8%

Wins & podiums (ultra)

🏆 Win3

🏆 Win M4

🏅 Top 35

🏅 Top 3 M7

Longest winning streak1

Current streak0

Records

50 km5h58'29 100 km14h09'58 50 mi17h28'32 100 mi25h00'27 12 h89,70 km 24 h148,01 km

HISTORY

97 race(s) · 1 split(s) nested

Date		Race	Perf.	Rk
2026
06.06	80km	5th Ultra Trail Singapore	17:28:32 h	69
01.05	100km	5th Merapoh Rainforest Trail - 100 km	21:13:05 h	105
28.03	100km	1st Hatyai Khohong Trail	23:22:11 h	57
17.01	100km	8th GZ100 Guangzhou - 100 km Run	25:37:31 h	590
2025
24.10	100km	3rd Moganshan 100 Ultra Trail	28:29:39 h	548
15.08	103km	3rd Magnificent Baling 100	21:26:36 h	152
11.07	100km	9th Columbia 100 Ultra Trail Chongli Challenge Race	24:50:29 h	516
21.06	100km	3rd Trail des Gombak	25:42:52 h	71
29.03	64.5km	10th Lantau Trail race 70k	14:58:00 h	340
18.01	100km	15th Hong Kong 100 Ultra Trail Race	25:49:45 h	1219
17.01	56km	15th Hong Kong 100 Ultra Trail Race - Half	11:33:33 h	508
11.01	70km	7th Vietnam Trail Marathon	12:06:51 h	97
2024
28.12	100km	1st TORX CHN100 Shenzhen - 100km	23:37:57 h	331
16.11	99km	1st Malaysia Ultra-Trail by UTMB - MY100	19:03:28 h	94
09.11	100km	5th Sekinchan Ultra 100km	15:20:13 h	25
08.09	330km	15° TOR330 - Tor des Géants	5d 13:32:32 h	271
10.08	100km	1st Worldwide Chinese Trail Championships Mount Fuji Station	25:40:57 h	1 🏆
03.08	80km	4th Bali Ultra Trail	21:10:28 h	22
27.07	110km	6th Kadamaian Adventure Race	29:01:47 h	87
29.06	50km	2nd TNBYY Ultra	15:47:44 h	128
08.06	100km	7th Janda Baik Ultra 100 km Duo	23:40:14 h	10
08.06	100km	7th Janda Baik Ultra 100 km	23:40:15 h	32
01.06	50km	2nd Kailas Tioman Ultra	14:01:15 h	44
04.05	100km	2nd Silabur Ultra Trail	24:45:49 h	53
02.03	106km	8th Borneo Ultra Trail Marathon BUTM - 100 km	28:17:50 h	72
2023
09.12	96.5km	4th Doi Inthanon Thailand by UTMB - ELEPHANT 100	25:02:05 h	424
03.11	100km	6th Malaysia Mountain Trail Festival - 100km	27:41:24 h	123
19.10	250km	1st Ultra-Trail Chiangrai 250km	2d 22:31:31 h	9
15.07	60km	7th Cameron 60 km Ultra Trail	12:35:34 h	118
03.06	100miles	1st Borneo 100 Miler	47:44:35 h	53
2022
22.10	90km	3rd Borneo Four Feathers Ultra Marathon 90km	14:20:00 h	2 🥈
08.10	62km	4th Ultimate Trails of Penang 60 km	19:38:43 h	81
17.09	109km	10th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon	29:27:44 h	82
23.07	50km	1st Pahang Eco	14:49:53 h	39
02.07	50km	8th King of Kampung Kemensah 50 km	7:23:27 h	38
12.06	50km	2nd Hulu Selangor Ultra Trail	9:45:22 h	48
21.05	100km	7th Route 68 Challenge - 100 km	15:05:21 h	56
26.02	12h	3rd Tin Mines Endurance Challenge - 12h	50.400 km	30
20.02	12h	4th Bukit Kiara Ultra Challenge	64.000 km	37
2021
18.12	84km	4th Malaysia Mountain Trail Festival - 84KM Ultra Challenge	19:42:05 h	63
2020
09.02	12h	3rd Bukit Kiara Ultra Challenge	48.500 km	6
01.02	104km	4th UiTM Ultramarathon 104 km	16:29:48 h	22
18.01	100km	10th Hong Kong 100 Ultra Trail Race	21:32:25 h	592
2019
28.12	24h	3rd Malatra Endurance Run 24h	134.400 km	4
22.12	12h	1st Bukit Dinding Challenge 3.0 - 12h	75.000 km	3 🥉
14.12	84km	2nd Malaysia Mountain Trail Festival - 84KM Ultra Challenge	18:08:54 h	54
08.12	50km	2nd T8 Jagoi Heritage Trail Run	7:47:22 h	10
30.11	100km	1st Sekinchan Ultra 100km	15:08:08 h	30
16.11	100km	1st The Lost World Of Ultra 100km	18:19:15 h	1 🏆
08.11	200km	3rd Melaka Ultra 200 km	38:17:45 h	9
18.10	230km	3rd Ultra-Trail Chiang Rai 230 km	2d 03:25:58 h	11
11.10	105km	2nd Ultimate Trails of Penang 100 km	28:54:57 h	23
14.09	105km	3rd Janda Baik Ultra 100 km	17:53:19 h	13
06.09	115km/3stages	1st Superace Ultra Marathon Dunhuang Station	15:50:00 h	4
24.08	100km	5th The Magnificent Merapoh Trail (TMMT) 100 km	16:08:27 h	48
17.08	100km	4th Fraser Ultra 100 km	14:09:58 h	10
27.07	100km	4th Cameron 100 km Ultra Trail	21:48:33 h	55
20.04	168km	5th Route 68 Challenge - 168 km	26:50:27 h	12
07.04	50km	3rd Sungai Menyala Forest Trail	7:08:32 h	43
30.03	96km	1st Ultra-Trail Luang Prabang 96 km	34:58:00 h	6
24.02	12h	2nd Bukit Kiara Ultra Challenge	53.500 km	20
16.02	84km	3rd UiTM Ultramarathon 84 km	11:07:17 h	13
2018
08.12	53km	1st UIA Ultra	7:10:36 h	19
01.12	83km	2nd Cross Country Ultra Series 83 km	13:45:07 h	21
20.10	100km	2nd Janda Baik Ultra 100 km	19:19:54 h	22
20.10	24h	4th Universiti Malaya 24 hours Ultra Marathon	148.010 km	4
13.10	50km	1st Denai Ultra Sungkai	6:34:50 h	9
30.09	12h	6th Back 2 Endurance 12 Hour Run	89.700 km	8
21.09	100km	6. Vietnam Mountain Marathon 100km	22:41:44 h	43
01.09	100km	8th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon	20:29:41 h	42
10.08	100km	4th The Magnificent Merapoh Trail (TMMT) 100 km	16:57:58 h	29
05.08	12h	1st Bukit Kiara Ultra Challenge	55.000 km	4
28.07	100km	3rd Cameron 100 km Ultra Trail	18:43:21 h	21
15.07	50km	1st Fraser's Hill Tristate Ultra Trail	12:12:21 h	10
02.06	72km/2stages	3rd Guangzhou longdong Trail 72	13:31:53 h	18
12.05	100mi	4th Ultimate Trails Of Penang Eco 100 miles	34:14:28 h	6
06.05	50km	4th King of Kampung Kemensah	5:58:29 h	1 🏆
28.04	168km	4th Route 68 Challenge - 168km	28:01:00 h	10
24.03	100km	2nd Gopeng Ultra Trail 100 km	15:29:19 h	7
16.03	200km	5th TITI 200km Road Ultra Marathon	32:30:36 h	4
10.03	100km	3rd Borneo Ultra Trail Marathon BUTM - 100 km	20:02:33 h	10
02.03	100km	7th TransLantau 100 Ultra Trail	23:33:08 h	134
2017
17.12	53km	1st Janda Baik Ultra 53 km	6:31:53 h	10
09.12	100km	2nd Panoramic Ultra Trail - 100 km	17:36:54 h	5
25.11	160km	1st Melaka Ultra 160 km	25:00:27 h	6
11.11	12h	2nd MKH Kajang 12 Hour International Walk	79.000 km	9
11.11	50km	2nd MKH Kajang 12 Hour International Walk - 50 km Split	7:31:05 h	13
21.10	122km	1st Ultra-Trail Chiang Rai 122 km	23:48:25 h	5
30.09	100km	4. Penang 100 km Challenge	14:53:51 h	27
16.09	100km	7th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon	18:34:50 h	17
05.08	100km	3rd The Magnificent Merapoh Trail (TMMT) 100 km	15:24:24 h	27
22.07	100km	2nd Cameron 100 km Ultra Trail	20:48:48 h	27
13.05	100mi	3rd Ultimate Trails Of Penang Eco 100 miles	37:25:09 h	14
05.05	60km	5th Mt Rinjani Ultra - 60 km	19:21:36 h	21
25.03	100km	1st Gopeng Ultra Trail 100 km	17:58:55 h	14
18.03	100km	4th TITI 100km Road Ultra Marathon	15:53:14 h	75
2016
08.10	100km	1st Cameron 100 km Ultra Trail	20:35:45 h	15
04.06	100km	1st Borneo Ultra Trail Marathon BUTM - 100 km	24:24:50 h	11

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	8/9/2024	15° TOR330 - Tor des Géants	330,00	×4
✓ 2	19/10/2023	1st Ultra-Trail Chiangrai 250km	250,00	×3
✓ 3	18/10/2019	3rd Ultra-Trail Chiang Rai 230 km	230,00	×2
✓ 4	8/11/2019	3rd Melaka Ultra 200 km	200,00	×2
✓ 5	16/3/2018	5th TITI 200km Road Ultra Marathon	200,00	×2
✓ 6	20/4/2019	5th Route 68 Challenge - 168 km	168,00	×2
✓ 7	28/4/2018	4th Route 68 Challenge - 168km	168,00	×2
✓ 8	3/6/2023	1st Borneo 100 Miler	160,93	×2
✓ 9	12/5/2018	4th Ultimate Trails Of Penang Eco 100 miles	160,93	×2
✓ 10	13/5/2017	3rd Ultimate Trails Of Penang Eco 100 miles	160,93	×2
✓ 11	25/11/2017	1st Melaka Ultra 160 km	160,00	×2
✓ 12	20/10/2018	4th Universiti Malaya 24 hours Ultra Marathon	148,01	×1
✓ 13	28/12/2019	3rd Malatra Endurance Run 24h	134,40	×1
✓ 14	21/10/2017	1st Ultra-Trail Chiang Rai 122 km	122,00	×1
✓ 15	6/9/2019	1st Superace Ultra Marathon Dunhuang Station	115,00	×1
✓ 16	27/7/2024	6th Kadamaian Adventure Race	110,00	×1
✓ 17	17/9/2022	10th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon	109,00	×1
✓ 18	2/3/2024	8th Borneo Ultra Trail Marathon BUTM - 100 km	106,00	×1
✓ 19	11/10/2019	2nd Ultimate Trails of Penang 100 km	105,00	×1
✓ 20	14/9/2019	3rd Janda Baik Ultra 100 km	105,00	×1
✓ 21	1/2/2020	4th UiTM Ultramarathon 104 km	104,00	×1
✓ 22	15/8/2025	3rd Magnificent Baling 100	103,00	×1
✓ 23	1/5/2026	5th Merapoh Rainforest Trail - 100 km	100,00	×1
✓ 24	28/3/2026	1st Hatyai Khohong Trail	100,00	×1
✓ 25	17/1/2026	8th GZ100 Guangzhou - 100 km Run	100,00	×1
✓ 26	24/10/2025	3rd Moganshan 100 Ultra Trail	100,00	×1
✓ 27	11/7/2025	9th Columbia 100 Ultra Trail Chongli Challenge Race	100,00	×1
✓ 28	21/6/2025	3rd Trail des Gombak	100,00	×1
✓ 29	18/1/2025	15th Hong Kong 100 Ultra Trail Race	100,00	×1
✓ 30	28/12/2024	1st TORX CHN100 Shenzhen - 100km	100,00	×1
✓ 31	9/11/2024	5th Sekinchan Ultra 100km	100,00	×1
✓ 32	10/8/2024	1st Worldwide Chinese Trail Championships Mount Fuji Station	100,00	×1
✓ 33	8/6/2024	7th Janda Baik Ultra 100 km Duo	100,00	×1
✓ 34	4/5/2024	2nd Silabur Ultra Trail	100,00	×1
✓ 35	3/11/2023	6th Malaysia Mountain Trail Festival - 100km	100,00	×1
✓ 36	21/5/2022	7th Route 68 Challenge - 100 km	100,00	×1
✓ 37	18/1/2020	10th Hong Kong 100 Ultra Trail Race	100,00	×1
✓ 38	30/11/2019	1st Sekinchan Ultra 100km	100,00	×1
✓ 39	16/11/2019	1st The Lost World Of Ultra 100km	100,00	×1
✓ 40	24/8/2019	5th The Magnificent Merapoh Trail (TMMT) 100 km	100,00	×1
✓ 41	17/8/2019	4th Fraser Ultra 100 km	100,00	×1
✓ 42	27/7/2019	4th Cameron 100 km Ultra Trail	100,00	×1
✓ 43	21/9/2018	6. Vietnam Mountain Marathon 100km	100,00	×1
✓ 44	1/9/2018	8th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon	100,00	×1
✓ 45	10/8/2018	4th The Magnificent Merapoh Trail (TMMT) 100 km	100,00	×1
✓ 46	28/7/2018	3rd Cameron 100 km Ultra Trail	100,00	×1
✓ 47	24/3/2018	2nd Gopeng Ultra Trail 100 km	100,00	×1
✓ 48	10/3/2018	3rd Borneo Ultra Trail Marathon BUTM - 100 km	100,00	×1
✓ 49	2/3/2018	7th TransLantau 100 Ultra Trail	100,00	×1
✓ 50	9/12/2017	2nd Panoramic Ultra Trail - 100 km	100,00	×1
✓ 51	30/9/2017	4. Penang 100 km Challenge	100,00	×1
✓ 52	16/9/2017	7th The Most Beautiful Thing (TMBT) 100 km Ultra Trail Marathon	100,00	×1
✓ 53	5/8/2017	3rd The Magnificent Merapoh Trail (TMMT) 100 km	100,00	×1
✓ 54	22/7/2017	2nd Cameron 100 km Ultra Trail	100,00	×1
✓ 55	25/3/2017	1st Gopeng Ultra Trail 100 km	100,00	×1
✓ 56	18/3/2017	4th TITI 100km Road Ultra Marathon	100,00	×1
✓ 57	8/10/2016	1st Cameron 100 km Ultra Trail	100,00	×1
✓ 58	4/6/2016	1st Borneo Ultra Trail Marathon BUTM - 100 km	100,00	×1
✓ 59	16/11/2024	1st Malaysia Ultra-Trail by UTMB - MY100	99,00	×1
✓ 60	9/12/2023	4th Doi Inthanon Thailand by UTMB - ELEPHANT 100	96,50	×1
✓ 61	30/3/2019	1st Ultra-Trail Luang Prabang 96 km	96,00	×1
✓ 62	22/10/2022	3rd Borneo Four Feathers Ultra Marathon 90km	90,00	×1
✓ 63	30/9/2018	6th Back 2 Endurance 12 Hour Run	89,70	×1
✓ 64	18/12/2021	4th Malaysia Mountain Trail Festival - 84KM Ultra Challenge	84,00	×1
✓ 65	14/12/2019	2nd Malaysia Mountain Trail Festival - 84KM Ultra Challenge	84,00	×1
✓ 66	16/2/2019	3rd UiTM Ultramarathon 84 km	84,00	×1
✓ 67	1/12/2018	2nd Cross Country Ultra Series 83 km	83,00	×1
✓ 68	6/6/2026	5th Ultra Trail Singapore (UTSG)	80,00	×1
✓ 69	3/8/2024	4th Bali Ultra Trail	80,00	×1
✓ 70	11/11/2017	2nd MKH Kajang 12 Hour International Walk	79,00	—
✓ 71	22/12/2019	1st Bukit Dinding Challenge 3.0 - 12h	75,00	—
✓ 72	2/6/2018	3rd Guangzhou longdong Trail 72	72,00	—
73	11/1/2025	7th Vietnam Trail Marathon	70,00	—
74	29/3/2025	10th Lantau Trail race 70k	64,50	—
75	20/2/2022	4th Bukit Kiara Ultra Challenge	64,00	—
76	8/10/2022	4th Ultimate Trails of Penang 60 km	62,00	—
77	15/7/2023	7th Cameron 60 km Ultra Trail	60,00	—
78	5/5/2017	5th Mt Rinjani Ultra - 60 km	60,00	—
79	17/1/2025	15th Hong Kong 100 Ultra Trail Race - Half	56,00	—
80	5/8/2018	1st Bukit Kiara Ultra Challenge	55,00	—
81	24/2/2019	2nd Bukit Kiara Ultra Challenge	53,50	—
82	8/12/2018	1st UIA Ultra	53,00	—
83	17/12/2017	1st Janda Baik Ultra 53 km	53,00	—
84	26/2/2022	3rd Tin Mines Endurance Challenge - 12h	50,40	—
85	29/6/2024	2nd TNBYY Ultra	50,00	—
86	1/6/2024	2nd Kailas Tioman Ultra	50,00	—
87	23/7/2022	1st Pahang Eco	50,00	—
88	2/7/2022	8th King of Kampung Kemensah 50 km	50,00	—
89	12/6/2022	2nd Hulu Selangor Ultra Trail	50,00	—
90	8/12/2019	2nd T8 Jagoi Heritage Trail Run	50,00	—
91	7/4/2019	3rd Sungai Menyala Forest Trail	50,00	—
92	13/10/2018	1st Denai Ultra Sungkai	50,00	—
93	15/7/2018	1st Fraser's Hill Tristate Ultra Trail	50,00	—
94	6/5/2018	4th King of Kampung Kemensah	50,00	—
95	9/2/2020	3rd Bukit Kiara Ultra Challenge	48,50	—