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Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Boston Athletic Association

Race timed by

Mika Timing

BOSTON MARATHON 2026

Siu Hung Chau

Bib: 24282 •M •Age: N/A

0:00

0:00

/ mi

Masters

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Overall

#0 / 29021

Gender (Male)

#0 / 16340

Masters (Masters Men)

#0 / 10617

Age Group (M65-69)

#0 / 774

Race Day Weather

51°/41°F

overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start

0:00:00

Race begins

Start

0:00:00

Race begins

21:55

3.11 mi

Rank: #9007

Start → 5K

21:55 | 7:04/mi

21:55

3.11 mi

Rank: #9007

Start → 5K

21:55 | 7:04/mi

10K

44:09

6.21 mi

Rank: #9377 (-370)

5K → 10K

22:14 | 7:10/mi

10K

44:09

6.21 mi

Rank: #9377 (-370)

5K → 10K

22:14 | 7:10/mi

15K

1:06:49

9.32 mi

Rank: #9856 (-479)

10K → 15K

22:40 | 7:18/mi

15K

1:06:49

9.32 mi

Rank: #9856 (-479)

10K → 15K

22:40 | 7:18/mi

20K

1:31:01

12.43 mi

Rank: #11060 (-1204)

15K → 20K

24:12 | 7:48/mi

20K

1:31:01

12.43 mi

Rank: #11060 (-1204)

15K → 20K

24:12 | 7:48/mi

HALF

1:36:40

13.11 mi

Rank: #11515 (-455)

20K → HALF

5:39 | 8:18/mi

HALF

1:36:40

13.11 mi

Rank: #11515 (-455)

20K → HALF

5:39 | 8:18/mi

25K

1:59:48

15.53 mi

Rank: #14163 (-2648)

HALF → 25K

23:08 | 9:33/mi

25K

1:59:48

15.53 mi

Rank: #14163 (-2648)

HALF → 25K

23:08 | 9:33/mi

30K

2:36:44

18.64 mi

Rank: #18664 (-4501)

25K → 30K

36:56 | 11:54/mi

30K

2:36:44

18.64 mi

Rank: #18664 (-4501)

25K → 30K

36:56 | 11:54/mi

20M

2:52:57

20.00 mi

Rank: #19831 (-1167)

30K → 20M

16:13 | 11:57/mi

20M

2:52:57

20.00 mi

Rank: #19831 (-1167)

30K → 20M

16:13 | 11:57/mi

21M

3:08:50

21.00 mi

Rank: #21250 (-1419)

20M → 21M

15:53 | 15:53/mi

21M

3:08:50

21.00 mi

Rank: #21250 (-1419)

20M → 21M

15:53 | 15:53/mi

35K

3:17:39

21.75 mi

Rank: #21619 (-369)

21M → 35K

8:49 | 11:48/mi

35K

3:17:39

21.75 mi

Rank: #21619 (-369)

21M → 35K

8:49 | 11:48/mi

23M

3:35:32

23.00 mi

Rank: #22546 (-927)

35K → 23M

17:53 | 14:18/mi

23M

3:35:32

23.00 mi

Rank: #22546 (-927)

35K → 23M

17:53 | 14:18/mi

24M

3:46:04

24.00 mi

Rank: #22636 (-90)

23M → 24M

10:32 | 10:32/mi

24M

3:46:04

24.00 mi

Rank: #22636 (-90)

23M → 24M

10:32 | 10:32/mi

40K

3:57:28

24.85 mi

Rank: #22942 (-306)

24M → 40K

11:24 | 13:20/mi

40K

3:57:28

24.85 mi

Rank: #22942 (-306)

24M → 40K

11:24 | 13:20/mi

25.2M

4:01:35

25.20 mi

Rank: #22965 (-23)

40K → 25.2M

4:07 | 11:57/mi

25.2M

4:01:35

25.20 mi

Rank: #22965 (-23)

40K → 25.2M

4:07 | 11:57/mi

FINISH

4:12:30

26.22 mi

Rank: #23066 (-101)

25.2M → FINISH

10:55 | 10:43/mi

FINISH

4:12:30

26.22 mi

Rank: #23066 (-101)

25.2M → FINISH

10:55 | 10:43/mi

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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster

via HALF

Distance13.11 mi

Time1:36:40

Pace7:23 /mi

2nd Half

Spacer

Distance13.11 mi

Time2:35:50

Pace11:54 /mi

📊Positive Split: 61.2% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	11:25:59	21:55	7:04	21:55	7:04	-
10K	6.21 mi	11:48:13	44:09	7:07	22:14	7:10	+0:06
15K	9.32 mi	12:10:53	1:06:49	7:11	22:40	7:18	+0:08
20K	12.43 mi	12:35:05	1:31:01	7:20	24:12	7:48	+0:30
HALF	13.11 mi	12:40:44	1:36:40	7:23	5:39	8:18	+0:30
25K	15.53 mi	13:03:52	1:59:48	7:43	23:08	9:33	+1:15
30K	18.64 mi	13:40:48	2:36:44	8:25	36:56	11:54	+2:21
20M	20.00 mi	13:57:01	2:52:57	8:39	16:13	11:57	+0:03
21M	21.00 mi	14:12:54	3:08:50	9:00	15:53	15:53	+3:56
35K	21.75 mi	14:21:43	3:17:39	9:06	8:49	11:48	-4:05
23M	23.00 mi	14:39:36	3:35:32	9:23	17:53	14:18	+2:30
24M	24.00 mi	14:50:08	3:46:04	9:26	10:32	10:32	-3:46
40K	24.85 mi	15:01:32	3:57:28	9:34	11:24	13:20	+2:48
25.2M	25.20 mi	15:05:39	4:01:35	9:36	4:07	11:57	-1:23
FINISH	26.22 mi	15:16:34	4:12:30	9:39	10:55	10:43	-1:14

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:04 /mi

Average Pace

9:38 /mi

Slowest Pace

15:53 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:36:40

38% of race

Time at Steady Pace

1:50:40

44% of race

Time at Slower Pace

45:10

18% of race

Average Pace: 9:38 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

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

Pace:

Faster

Steady

Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment	Pace	Rank
5K	3.11 mi	11:25:59	21:55	7:04	21:55	7:04	#9007
10K	6.21 mi	11:48:13	44:09	7:07	22:14	7:10	#9377
15K	9.32 mi	12:10:53	1:06:49	7:11	22:40	7:18	#9856
20K	12.43 mi	12:35:05	1:31:01	7:20	24:12	7:48	#11060
HALF	13.11 mi	12:40:44	1:36:40	7:23	5:39	8:18	#11515
25K	15.53 mi	13:03:52	1:59:48	7:43	23:08	9:33	#14163
30K	18.64 mi	13:40:48	2:36:44	8:25	36:56	11:54	#18664
20M	20.00 mi	13:57:01	2:52:57	8:39	16:13	11:57	#19831
21M	21.00 mi	14:12:54	3:08:50	9:00	15:53	15:53	#21250
35K	21.75 mi	14:21:43	3:17:39	9:06	8:49	11:48	#21619
23M	23.00 mi	14:39:36	3:35:32	9:23	17:53	14:18	#22546
24M	24.00 mi	14:50:08	3:46:04	9:26	10:32	10:32	#22636
40K	24.85 mi	15:01:32	3:57:28	9:34	11:24	13:20	#22942
25.2M	25.20 mi	15:05:39	4:01:35	9:36	4:07	11:57	#22965
FINISH	26.22 mi	15:16:34	4:12:30	9:39	10:55	10:43	#23066

Faster pace

Steady pace

Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M65-69	Seg. Overall	Seg. Males	Seg. M65-69
5K	3.11 mi	3.11 mi	9007	7560	7560	11011(Top 38%)	8493(Top 52%)	8493(Top 1097%)
10K	6.21 mi	3.10 mi	9377-370	7764-204	7764-204	9868(Top 34%)	7995(Top 49%)	7995(Top 1033%)
15K	9.32 mi	3.11 mi	9856-479	7985-221	7985-221	11011(Top 38%)	8493(Top 52%)	8493(Top 1097%)
20K	12.43 mi	3.11 mi	11060-1204	8523-538	8523-538	14431(Top 50%)	9913(Top 61%)	9913(Top 1281%)
HALF	13.11 mi	0.68 mi	11515-455	8743-220	8743-220	18960(Top 65%)	11871(Top 73%)	11871(Top 1534%)
25K	15.53 mi	2.42 mi	14163-2648	9849-1106	9849-1106	23146(Top 80%)	13777(Top 84%)	13777(Top 1780%)
30K	18.64 mi	3.11 mi	18664-4501	11673-1824	11673-1824	26632(Top 92%)	15281(Top 94%)	15281(Top 1974%)
20M	20.00 mi	1.36 mi	19831-1167	12166-493	12166-493	26305(Top 91%)	15067(Top 92%)	15067(Top 1947%)
21M	21.00 mi	1.00 mi	21250-1419	12839-673	12839-673	28530(Top 98%)	16083(Top 98%)	16083(Top 2078%)
35K	21.75 mi	0.75 mi	21619-369	13004-165	13004-165	26467(Top 91%)	15090(Top 92%)	15090(Top 1950%)
23M	23.00 mi	1.25 mi	22546-927	13427-423	13427-423	28320(Top 98%)	15964(Top 98%)	15964(Top 2063%)
24M	24.00 mi	1.00 mi	22636-90	13451-24	13451-24	24169(Top 83%)	13915(Top 85%)	13915(Top 1798%)
40K	24.85 mi	0.85 mi	22942-306	13596-145	13596-145	27358(Top 94%)	15460(Top 95%)	15460(Top 1997%)
25.2M	25.20 mi	0.35 mi	22965-23	13601-5	13601-5	24309(Top 84%)	13925(Top 85%)	13925(Top 1799%)
FINISH	26.22 mi	1.02 mi	23066-101	13651-50	13651-50	25523(Top 88%)	14527(Top 89%)	14527(Top 1877%)

14527

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:

Athletes Passed

259

Passed By

2467

Net Change

-14059

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#9007
5K → 10K	93	200	-370	#9007	#9377
10K → 15K	48	200	-479	#9377	#9856
15K → 20K	20	200	-1204	#9856	#11060
20K → HALF	3	200	-455	#11060	#11515
HALF → 25K	7	200	-2648	#11515	#14163
25K → 30K	7	200	-4501	#14163	#18664
30K → 20M	4	200	-1167	#18664	#19831
20M → 21M	4	200	-1419	#19831	#21250
21M → 35K	9	200	-369	#21250	#21619
35K → 23M	3	200	-927	#21619	#22546
23M → 24M	26	116	-90	#22546	#22636
24M → 40K	8	200	-306	#22636	#22942
40K → 25.2M	16	39	-23	#22942	#22965
25.2M → FINISH	11	112	-101	#22965	#23066
TOTALS	259	2467	-14059

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:

Category:

📈Position Graph

🎨Heatmap Timeline

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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.gpx files up to 10MB

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Export Track Data

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Results processed 3 months ago

Public Race Data

Siu Hung Chau

Race Timeline and Course Information

⏱️ Race Timeline

Race Animation with Course Map

AI Performance Report

Understand What Really Happened During Your Race

Splits & Pacing

Half Splits

Checkpoint Splits

Checkpoint Splits Visualizations

📈Pace Line

Pace Progression

📊Segments

Segment Time Comparison

🎨Heatmap

Pace Heatmap

✨Sparklines

Checkpoint Splits with Pace Trends

Rankings

Checkpoint and Segment Rankings

Segment Performance Analysis

10K→15K

5K→10K

10K→15K

15K→20K

20K→HALF

HALF→25K

25K→30K

30K→20M

20M→21M

21M→35K

35K→23M

23M→24M

24M→40K

40K→25.2M

25.2M→FINISH

Passing

Passing Analysis

Passing Analysis Visualizations

📈Position Graph

🎨Heatmap Timeline

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

Qualifying & Age Grade

Activity Data

Export & Support

Export Track Data

Questions or issues regarding timing data?

Quick Links

All Results

Race Analytics

Course Information

Contact Time Management