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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Chi Kwong Lau

Bib: 30744 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M60-64)
#0 / 1514
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
5K
35:53
3.11 mi
Rank: #28555
Start → 5K
35:53 | 11:33/mi
10K
1:14:18
6.21 mi
Rank: #28697 (-142)
5K → 10K
38:25 | 12:22/mi
15K
1:57:00
9.32 mi
Rank: #28876 (-179)
10K → 15K
42:42 | 13:45/mi
20K
2:37:06
12.43 mi
Rank: #28826 (+50)
15K → 20K
40:06 | 12:55/mi
HALF
2:45:55
13.11 mi
Rank: #28822 (+4)
20K → HALF
8:49 | 12:57/mi
25K
3:19:25
15.53 mi
Rank: #28812 (+10)
HALF → 25K
33:30 | 13:49/mi
30K
4:04:40
18.64 mi
Rank: #28805 (+7)
25K → 30K
45:15 | 14:34/mi
20M
4:23:31
20.00 mi
Rank: #28785 (+20)
30K → 20M
18:51 | 13:53/mi
21M
4:38:44
21.00 mi
Rank: #28768 (+17)
20M → 21M
15:13 | 15:13/mi
35K
4:49:43
21.75 mi
Rank: #28778 (-10)
21M → 35K
10:59 | 14:41/mi
23M
5:08:16
23.00 mi
Rank: #28779 (-1)
35K → 23M
18:33 | 14:50/mi
24M
5:22:24
24.00 mi
Rank: #28770 (+9)
23M → 24M
14:08 | 14:08/mi
40K
5:35:49
24.85 mi
Rank: #28791 (-21)
24M → 40K
13:25 | 15:42/mi
25.2M
5:41:19
25.20 mi
Rank: #28786 (+5)
40K → 25.2M
5:30 | 15:57/mi
FINISH
5:54:32
26.22 mi
Rank: #28778 (+8)
25.2M → FINISH
13:13 | 12:59/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:45:55
Pace12:40 /mi
2nd Half
Distance13.11 mi
Time3:08:37
Pace14:24 /mi
📊Positive Split: 13.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:00:0235:5311:3335:53
11:33
-
10K
6.21 mi12:38:271:14:1811:5838:25
12:22
+0:49
15K
9.32 mi13:21:091:57:0012:3442:42
13:45
+1:23
20K
12.43 mi14:01:152:37:0612:3940:06
12:55
-0:50
HALF
13.11 mi14:10:042:45:5512:408:49
12:57
+0:02
25K
15.53 mi14:43:343:19:2512:5133:30
13:49
+0:52
30K
18.64 mi15:28:494:04:4013:0845:15
14:34
+0:45
20M
20.00 mi15:47:404:23:3113:1118:51
13:53
-0:41
21M
21.00 mi16:02:534:38:4413:1715:13
15:13
+1:20
35K
21.75 mi16:13:524:49:4313:2010:59
14:41
-0:32
23M
23.00 mi16:32:255:08:1613:2518:33
14:50
+0:09
24M
24.00 mi16:46:335:22:2413:2714:08
14:08
-0:42
40K
24.85 mi16:59:585:35:4913:3113:25
15:42
+1:34
25.2M
25.20 mi17:05:285:41:1913:335:30
15:57
+0:15
FINISH
26.22 mi17:18:415:54:3213:3213:13
12:59
-2:58

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

11:33 /mi

Average Pace

13:32 /mi

Slowest Pace

15:57 /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

2:16:26

38% of race

Time at Steady Pace

1:49:11

31% of race

Time at Slower Pace

1:48:55

31% of race

Average Pace: 13:31 /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.

Loading...
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

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi12:00:0235:5311:3335:53
11:33
#28555
10K
6.21 mi12:38:271:14:1811:5838:25
12:22
#28697
15K
9.32 mi13:21:091:57:0012:3442:42
13:45
#28876
20K
12.43 mi14:01:152:37:0612:3940:06
12:55
#28826
HALF
13.11 mi14:10:042:45:5512:408:49
12:57
#28822
25K
15.53 mi14:43:343:19:2512:5133:30
13:49
#28812
30K
18.64 mi15:28:494:04:4013:0845:15
14:34
#28805
20M
20.00 mi15:47:404:23:3113:1118:51
13:53
#28785
21M
21.00 mi16:02:534:38:4413:1715:13
15:13
#28768
35K
21.75 mi16:13:524:49:4313:2010:59
14:41
#28778
23M
23.00 mi16:32:255:08:1613:2518:33
14:50
#28779
24M
24.00 mi16:46:335:22:2413:2714:08
14:08
#28770
40K
24.85 mi16:59:585:35:4913:3113:25
15:42
#28791
25.2M
25.20 mi17:05:285:41:1913:335:30
15:57
#28786
FINISH
26.22 mi17:18:415:54:3213:3213:13
12:59
#28778
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi28555161991619928960(Top 100%)16314(Top 100%)16314(Top 1078%)
10K6.21 mi3.10 mi28697-14216242-4316242-4328769(Top 99%)16259(Top 100%)16259(Top 1074%)
15K9.32 mi3.11 mi28876-17916294-5216294-5228960(Top 100%)16314(Top 100%)16314(Top 1078%)
20K12.43 mi3.11 mi28826+5016278+1616278+1628565(Top 98%)16167(Top 99%)16167(Top 1068%)
HALF13.11 mi0.68 mi28822+416272+616272+628710(Top 99%)16203(Top 99%)16203(Top 1070%)
25K15.53 mi2.42 mi28812+10162721627228619(Top 99%)16173(Top 99%)16173(Top 1068%)
30K18.64 mi3.11 mi28805+716261+1116261+1128635(Top 99%)16157(Top 99%)16157(Top 1067%)
20M20.00 mi1.36 mi28785+2016250+1116250+1128043(Top 97%)15873(Top 97%)15873(Top 1048%)
21M21.00 mi1.00 mi28768+1716247+316247+328186(Top 97%)15932(Top 98%)15932(Top 1052%)
35K21.75 mi0.75 mi28778-1016246+116246+128615(Top 99%)16105(Top 99%)16105(Top 1064%)
23M23.00 mi1.25 mi28779-116245+116245+128583(Top 98%)16095(Top 99%)16095(Top 1063%)
24M24.00 mi1.00 mi28770+916240+516240+528407(Top 98%)15988(Top 98%)15988(Top 1056%)
40K24.85 mi0.85 mi28791-2116246-616246-628678(Top 99%)16130(Top 99%)16130(Top 1065%)
25.2M25.20 mi0.35 mi28786+516243+316243+328435(Top 98%)15981(Top 98%)15981(Top 1056%)
FINISH26.22 mi1.02 mi28778+816239+416239+428191(Top 97%)15874(Top 97%)15874(Top 1048%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×21
+97ft-345ft

Overall

28960

Males

16314

M60-64

16314

5K→10K

3.1 - 6.2 mi

Top 99%
×5
+79ft-138ft

Overall

28769

Males

16259

M60-64

16259

10K→15K

6.2 - 9.3 mi

Top 100%
×3
+67ft-78ft

Overall

28960

Males

16314

M60-64

16314

15K→20K

9.3 - 12.4 mi

Top 98%
×5
+106ft-86ft

Overall

28565

Males

16167

M60-64

16167

20K→HALF

12.4 - 13.1 mi

Top 99%
×2
+19ft-37ft

Overall

28710

Males

16203

M60-64

16203

HALF→25K

13.1 - 15.5 mi

Top 99%
×4
+66ft-88ft

Overall

28619

Males

16173

M60-64

16173

25K→30K

15.5 - 18.6 mi

Top 99%
×9
+181ft-148ft

Overall

28635

Males

16157

M60-64

16157

30K→20M

18.6 - 20.0 mi

Top 97%
×5
+64ft-50ft

Overall

28043

Males

15873

M60-64

15873

20M→21M

20.0 - 21.0 mi

Top 97%
×8
+106ft-24ft

Overall

28186

Males

15932

M60-64

15932

21M→35K

21.0 - 21.8 mi

Top 99%
×7
+17ft-86ft

Overall

28615

Males

16105

M60-64

16105

35K→23M

21.8 - 23.0 mi

Top 98%
×5
+23ft-63ft

Overall

28583

Males

16095

M60-64

16095

23M→24M

23.0 - 24.0 mi

Top 98%
×6
+12ft-82ft

Overall

28407

Males

15988

M60-64

15988

24M→40K

24.0 - 24.9 mi

Top 99%
×1
+6ft-20ft

Overall

28678

Males

16130

M60-64

16130

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1
+13ft-16ft

Overall

28435

Males

15981

M60-64

15981

25.2M→FINISH

25.2 - 26.2 mi

Top 97%
×2
+22ft-21ft

Overall

28191

Males

15874

M60-64

15874

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
242
Passed By
465
Net Change
-223
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28555
5K → 10K22164-142#28555#28697
10K → 15K0179-179#28697#28876
15K → 20K566+50#28876#28826
20K → HALF1410+4#28826#28822
HALF → 25K2414+10#28822#28812
25K → 30K2922+7#28812#28805
30K → 20M255+20#28805#28785
20M → 21M214+17#28785#28768
21M → 35K313-10#28768#28778
35K → 23M89-1#28778#28779
23M → 24M145+9#28779#28770
24M → 40K324-21#28770#28791
40K → 25.2M72+5#28791#28786
25.2M → FINISH168+8#28786#28778
TOTALS242465-223
📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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