Siu Hung Chau

Douglaston, NY

Bib: 697 M 68

Masters

0:00

0:00

/ mi

Masters

Be the first to cheer!

Overall

#0 / 61036

Top 9%

Gender (Male)

#0 / 31978

Top 14%

Masters (Masters Men)

#0 / 14572

Top 11%

Division (M65-69)

#0 / 602

Top 3%

Race Day Weather

50°/40°F

clear sky

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Mile 1 · 259 ft

Mile 2 · 64 ft

Start

0:00

Race begins

118 ft elev

6:51/mi

20:34

↑ 182 ft↓ 221 ft0.2% grade

79 ft elev

5K· 3.11 mi

7:29/mi

21:22

→ flat

76 ft elev

7:02/mi

27:39

↑ 23 ft↓ 16 ft0.1% grade

84 ft elev

6:52/mi

34:31

↑ 13 ft↓ 30 ft0.3% grade

70 ft elev

6:50/mi

41:21

↑ 16 ft↓ 36 ft0.4% grade

47 ft elev

10K· 6.21 mi

7:06/mi

42:52

→ flat0.6% grade

58 ft elev

6:48/mi

48:13

↓ 30 ft0.6% grade

33 ft elev

7:08/mi

55:21

↑ 30 ft0.4% grade

54 ft elev

7:08/mi

1:02:29

↑ 61 ft↓ 33 ft0.5% grade

81 ft elev

15K· 9.32 mi

6:58/mi

1:04:43

↓ 13 ft0.8% grade

66 ft elev

10M

6:55/mi

1:09:25

↓ 36 ft0.9% grade

33 ft elev

11M

8:29/mi

1:17:54

↑ 43 ft0.7% grade

72 ft elev

12M

7:13/mi

1:25:07

↓ 46 ft0.8% grade

33 ft elev

20K· 12.43 mi

7:24/mi

1:28:17

↑ 16 ft0.7% grade

54 ft elev

13M

7:19/mi

1:32:28

↓ 26 ft0.8% grade

36 ft elev

Half· 13.11 mi

8:11/mi

1:33:22

→ flat0.5% grade

49 ft elev

14M

7:22/mi

1:39:56

↑ 23 ft↓ 39 ft0.3% grade

36 ft elev

15M

8:07/mi

1:48:03

↑ 62 ft1.1% grade

93 ft elev

25K· 15.53 mi

8:35/mi

1:52:38

↑ 68 ft2.4% grade

169 ft elev

16M

7:20/mi

1:56:03

↓ 45 ft1.7% grade

125 ft elev

17M

7:39/mi

2:03:42

↑ 10 ft↓ 59 ft0.9% grade

59 ft elev

18M

7:35/mi

2:11:17

↑ 30 ft↓ 49 ft0.4% grade

39 ft elev

30K· 18.64 mi

7:57/mi

2:16:23

→ flat

41 ft elev

19M

9:03/mi

2:19:38

→ flat0.2% grade

39 ft elev

20M

9:59/mi

2:29:37

↑ 43 ft0.7% grade

72 ft elev

21M

8:38/mi

2:38:15

↑ 20 ft↓ 39 ft0.4% grade

53 ft elev

35K· 21.75 mi

7:56/mi

2:44:11

↑ 20 ft↓ 23 ft

52 ft elev

22M

8:27/mi

2:46:19

→ flat0.2% grade

51 ft elev

23M

8:25/mi

2:54:44

↓ 10 ft0.1% grade

46 ft elev

24M

10:09/mi

3:04:53

↑ 92 ft1.7% grade

138 ft elev

40K· 24.85 mi

9:13/mi

3:12:46

↑ 13 ft↓ 62 ft1.1% grade

93 ft elev

25M

8:56/mi

3:14:04

↑ 10 ft1.3% grade

111 ft elev

26M

8:03/mi

3:22:07

↑ 39 ft↓ 39 ft

112 ft elev

Finish· 26.22 mi

8:18/mi

3:23:56

↓ 10 ft0.9% grade

102 ft elev

Course Elevation

926ft

Total climb

232ft

Range

30 to 262 ft

943ft

Total descent

About the height of two Statues of Liberty

The Course

Half Splits

1st Half· via Half

1:33:227:07 /mi⚡ faster

2nd Half

1:50:348:26 /mi+18.4%

Positive split — 18.4% slower in the second half

AI Race Performance Report

Siu's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

Free account · no payment

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
3M	20:34	6:51	3.00 mi	20:34	6:51	-
5K	21:22	6:53	0.11 mi	0:48	7:29	+0:38
4M	27:39	6:55	0.89 mi	6:17	7:02	-0:27
5M	34:31	6:54	1.00 mi	6:52	6:52	-0:10
6M	41:21	6:54	1.00 mi	6:50	6:50	-0:02
10K	42:52	6:54	0.21 mi	1:31	7:06	+0:16
7M	48:13	6:53	0.79 mi	5:21	6:48	-0:18
8M	55:21	6:55	1.00 mi	7:08	7:08	+0:20
9M	1:02:29	6:57	1.00 mi	7:08	7:08	0:00
15K	1:04:43	6:57	0.32 mi	2:14	6:58	-0:10
10M	1:09:25	6:57	0.68 mi	4:42	6:55	-0:03
11M	1:17:54	7:05	1.00 mi	8:29	8:29	+1:34
12M	1:25:07	7:06	1.00 mi	7:13	7:13	-1:16
20K	1:28:17	7:06	0.43 mi	3:10	7:24	+0:11
13M	1:32:28	7:07	0.57 mi	4:11	7:19	-0:05
Half(13.11 mi)	1:33:22	7:07	0.11 mi	0:54	8:11	+0:52
14M	1:39:56	7:08	0.89 mi	6:34	7:22	-0:49
15M	1:48:03	7:12	1.00 mi	8:07	8:07	+0:45
25K	1:52:38	7:15	0.53 mi	4:35	8:35	+0:28
16M	1:56:03	7:15	0.47 mi	3:25	7:20	-1:15
17M	2:03:42	7:17	1.00 mi	7:39	7:39	+0:19
18M	2:11:17	7:18	1.00 mi	7:35	7:35	-0:04
30K	2:16:23	7:19	0.64 mi	5:06	7:57	+0:22
19M	2:19:38	7:21	0.36 mi	3:15	9:03	+1:06
20M	2:29:37	7:29	1.00 mi	9:59	9:59	+0:56
21M	2:38:15	7:32	1.00 mi	8:38	8:38	-1:21
35K	2:44:11	7:33	0.75 mi	5:56	7:56	-0:42
22M	2:46:19	7:34	0.25 mi	2:08	8:27	+0:31
23M	2:54:44	7:36	1.00 mi	8:25	8:25	-0:02
24M	3:04:53	7:42	1.00 mi	10:09	10:09	+1:44
40K	3:12:46	7:45	0.85 mi	7:53	9:13	-0:56
25M	3:14:04	7:46	0.15 mi	1:18	8:56	-0:17
26M	3:22:07	7:46	1.00 mi	8:03	8:03	-0:53
Finish(26.22 mi)	3:23:56	7:47	0.22 mi	1:49	8:18	+0:15

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:48 /mi

Average Pace

7:47 /mi

Slowest Pace

10:09 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:08:37

34% of race

Time at Steady Pace

59:40

29% of race

Time at Slower Pace

1:15:39

37% of race

Average Pace: 7:47 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

Heatmap

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Checkpoint and Segment Rankings

Checkpoint	Seg. Dist	Overall	Males	M65-69	Seg. Overall	Seg. Males	Seg. M65-69
3M	3.00 mi	2331	2077	2	3966	3416	6
5K	0.11 mi	2429-98	2165-88	2	6816	5563	17
4M	0.89 mi	2720-291	2418-253	2	3631	3189	5
5M	1.00 mi	2826-106	2515-97	2	3208	2836	3
6M	1.00 mi	2809+17	2500+15	2	2830	2525	2
10K	0.21 mi	2829-20	2516-16	2	3417	3001	5
7M	0.79 mi	2849-20	2534-18	2	3108	2755	2
8M	1.00 mi	2935-86	2610-76	2	3706	3252	6
9M	1.00 mi	2979-44	2652-42	2	3423	3016	3
15K	0.32 mi	2985-6	2657-5	2	3591	3143	6
10M	0.68 mi	2983+2	2657	2	3157	2803	3
11M	1.00 mi	3514-531	3083-426	2	13829	10500	55
12M	1.00 mi	3548-34	3105-22	2	4135	3558	7
20K	0.43 mi	3555-7	3109-4	2	4520	3895	11
13M	0.57 mi	3562-7	3113-4	3-1	3966	3416	6
Half(13.11 mi)	0.11 mi	3554+8	3106+7	3	9914	7524	39
14M	0.89 mi	3584-30	3128-22	3	4660	3946	11
15M	1.00 mi	3755-171	3261-133	6-3	7159	5792	25
25K	0.53 mi	3872-117	3356-95	7-1	9260	7244	35
16M	0.47 mi	3890-18	3367-11	7	4786	3989	12
17M	1.00 mi	3930-40	3396-29	7	5552	4561	16
18M	1.00 mi	3942-12	3399-3	7	5156	4238	18
30K	0.64 mi	3999-57	3438-39	7	6987	5523	25
19M	0.36 mi	4149-150	3555-117	7	18501	12572	86
20M	1.00 mi	4773-624	4036-481	11-4	21772	14146	109
21M	1.00 mi	4895-122	4102-66	13-2	9527	7064	40
35K	0.75 mi	4876+19	4072+30	13	5267	4151	19
22M	0.25 mi	4891-15	4072	13	7351	5576	28
23M	1.00 mi	4954-63	4104-32	14-1	7853	5860	30
24M	1.00 mi	5329-375	4378-274	17-3	19123	12089	91
40K	0.85 mi	5489-160	4480-102	18-1	14153	9264	58
25M	0.15 mi	5517-28	4497-17	18	13246	8892	56
26M	1.00 mi	5470+47	4447+50	17+1	6245	4597	16
Finish(26.22 mi)	0.22 mi	5494-24	4461-14	18-1	12867	8570	45

Segment Performance Analysis

20K→13M

0.0 - 3.0 mi

Top 6%

118 ft79 ft

↑ 182ft↓ 221ft

194 ft

Overall

3966

Males

19.0 - 20.0 mi

Top 36%

39 ft74 ft

↑ 43ft↓ 8ft

39 ft

Overall

21772

Males

14146

M65-69

109

20M→21M

20.0 - 21.0 mi

Top 16%

69 ft49 ft

↑ 20ft↓ 39ft

30 ft

Overall

9527

Males

7064

M65-69

21M→35K

21.0 - 21.8 mi

Top 9%

56 ft52 ft

↑ 20ft↓ 23ft

23 ft

Overall

5267

Males

4151

M65-69

35K→22M

21.8 - 22.0 mi

Top 12%

52 ft49 ft

↑ 0ft↓ 3ft

3 ft

Overall

7351

Males

5576

M65-69

22M→23M

22.0 - 23.0 mi

Top 13%

52 ft46 ft

↑ 3ft↓ 10ft

10 ft

Overall

7853

Males

5860

M65-69

23M→24M

23.0 - 24.0 mi

Top 31%

46 ft138 ft

↑ 92ft↓ 0ft

92 ft

Overall

19123

Males

12089

M65-69

24M→40K

24.0 - 24.9 mi

Top 23%

138 ft89 ft

↑ 13ft↓ 62ft

49 ft

Overall

14153

Males

9264

M65-69

40K→25M

24.9 - 25.0 mi

Top 22%

98 ft108 ft

↑ 10ft↓ 0ft

10 ft

Overall

13246

Males

8892

M65-69

25M→26M

25.0 - 26.0 mi

Top 10%

112 ft112 ft

↑ 39ft↓ 39ft

33 ft

Overall

6245

Males

4597

M65-69

26M→Finish

26.0 - 26.2 mi

Top 21%

112 ft102 ft

↑ 0ft↓ 10ft

10 ft

Overall

12867

Males

8570

M65-69

Passing Analysis

No position changes recorded for this athlete.

More below

See the rest of Siu's race

Checkpoint splits, rankings, passing analysis and qualifying. One free sign-in reveals them here — and on every race you look up.

All Results

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

New York Road Runners