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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Sin Heng Lau

Bib: 6258 •M •Age: N/A

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 14%
Gender (Male)
#0 / 16340
Top 23%
Age Group (M18-39)
#0 / 5723
Top 49%
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
20:08
3.11 mi
Rank: #4019
Start → 5K
20:08 | 6:29/mi
10K
40:20
6.21 mi
Rank: #4110 (-91)
5K → 10K
20:12 | 6:31/mi
15K
1:00:32
9.32 mi
Rank: #4114 (-4)
10K → 15K
20:12 | 6:31/mi
20K
1:20:56
12.43 mi
Rank: #4139 (-25)
15K → 20K
20:24 | 6:34/mi
HALF
1:25:19
13.11 mi
Rank: #4126 (+13)
20K → HALF
4:23 | 6:26/mi
25K
1:41:30
15.53 mi
Rank: #4185 (-59)
HALF → 25K
16:11 | 6:41/mi
30K
2:02:55
18.64 mi
Rank: #4264 (-79)
25K → 30K
21:25 | 6:54/mi
20M
2:12:20
20.00 mi
Rank: #4297 (-33)
30K → 20M
9:25 | 6:56/mi
21M
2:19:30
21.00 mi
Rank: #4264 (+33)
20M → 21M
7:10 | 7:10/mi
35K
2:24:30
21.75 mi
Rank: #4263 (+1)
21M → 35K
5:00 | 6:41/mi
23M
2:32:54
23.00 mi
Rank: #4169 (+94)
35K → 23M
8:24 | 6:43/mi
24M
2:39:34
24.00 mi
Rank: #4124 (+45)
23M → 24M
6:40 | 6:40/mi
40K
2:45:25
24.85 mi
Rank: #4107 (+17)
24M → 40K
5:51 | 6:51/mi
25.2M
2:48:01
25.20 mi
Rank: #4110 (-3)
40K → 25.2M
2:36 | 7:33/mi
FINISH
2:54:39
26.22 mi
Rank: #4096 (+14)
25.2M → FINISH
6:38 | 6:31/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:25:19
Pace6:31 /mi
2nd Half
Distance13.11 mi
Time1:29:20
Pace6:49 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:2520:086:2920:08
6:29
-
10K
6.21 mi10:45:3740:206:3020:12
6:31
+0:02
15K
9.32 mi11:05:491:00:326:3020:12
6:31
0:00
20K
12.43 mi11:26:131:20:566:3120:24
6:34
+0:03
HALF
13.11 mi11:30:361:25:196:314:23
6:26
-0:08
25K
15.53 mi11:46:471:41:306:3316:11
6:41
+0:15
30K
18.64 mi12:08:122:02:556:3621:25
6:54
+0:13
20M
20.00 mi12:17:372:12:206:389:25
6:56
+0:02
21M
21.00 mi12:24:472:19:306:397:10
7:10
+0:14
35K
21.75 mi12:29:472:24:306:395:00
6:41
-0:29
23M
23.00 mi12:38:112:32:546:398:24
6:43
+0:02
24M
24.00 mi12:44:512:39:346:396:40
6:40
-0:03
40K
24.85 mi12:50:422:45:256:405:51
6:51
+0:11
25.2M
25.20 mi12:53:182:48:016:412:36
7:33
+0:42
FINISH
26.22 mi12:59:562:54:396:406:38
6:31
-1:02

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

6:26 /mi

Average Pace

6:40 /mi

Slowest Pace

7:33 /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

2:44:53

94% of race

Time at Steady Pace

9:46

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:40 /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 mi10:25:2520:086:2920:08
6:29
#4019
10K
6.21 mi10:45:3740:206:3020:12
6:31
#4110
15K
9.32 mi11:05:491:00:326:3020:12
6:31
#4114
20K
12.43 mi11:26:131:20:566:3120:24
6:34
#4139
HALF
13.11 mi11:30:361:25:196:314:23
6:26
#4126
25K
15.53 mi11:46:471:41:306:3316:11
6:41
#4185
30K
18.64 mi12:08:122:02:556:3621:25
6:54
#4264
20M
20.00 mi12:17:372:12:206:389:25
6:56
#4297
21M
21.00 mi12:24:472:19:306:397:10
7:10
#4264
35K
21.75 mi12:29:472:24:306:395:00
6:41
#4263
23M
23.00 mi12:38:112:32:546:398:24
6:43
#4169
24M
24.00 mi12:44:512:39:346:396:40
6:40
#4124
40K
24.85 mi12:50:422:45:256:405:51
6:51
#4107
25.2M
25.20 mi12:53:182:48:016:412:36
7:33
#4110
FINISH
26.22 mi12:59:562:54:396:406:38
6:31
#4096
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4019382038204233(Top 15%)3999(Top 24%)3999(Top 70%)
10K6.21 mi3.10 mi4110-913903-833903-834206(Top 14%)3981(Top 24%)3981(Top 70%)
15K9.32 mi3.11 mi4114-43904-13904-14233(Top 15%)3999(Top 24%)3999(Top 70%)
20K12.43 mi3.11 mi4139-253927-233927-234183(Top 14%)3948(Top 24%)3948(Top 69%)
HALF13.11 mi0.68 mi4126+133913+143913+143843(Top 13%)3641(Top 22%)3641(Top 64%)
25K15.53 mi2.42 mi4185-593955-423955-424634(Top 16%)4305(Top 26%)4305(Top 75%)
30K18.64 mi3.11 mi4264-794016-614016-615082(Top 18%)4590(Top 28%)4590(Top 80%)
20M20.00 mi1.36 mi4297-334037-214037-215019(Top 17%)4485(Top 27%)4485(Top 78%)
21M21.00 mi1.00 mi4264+334001+364001+364390(Top 15%)3918(Top 24%)3918(Top 68%)
35K21.75 mi0.75 mi4263+13994+73994+74751(Top 16%)4221(Top 26%)4221(Top 74%)
23M23.00 mi1.25 mi4169+943906+883906+883510(Top 12%)3195(Top 20%)3195(Top 56%)
24M24.00 mi1.00 mi4124+453862+443862+444145(Top 14%)3669(Top 22%)3669(Top 64%)
40K24.85 mi0.85 mi4107+173839+233839+234415(Top 15%)3831(Top 23%)3831(Top 67%)
25.2M25.20 mi0.35 mi4110-33838+13838+15336(Top 18%)4441(Top 27%)4441(Top 78%)
FINISH26.22 mi1.02 mi4096+143810+283810+284147(Top 14%)3568(Top 22%)3568(Top 62%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21
+97ft-345ft

Overall

4233

Males

3999

M18-39

3999

5K→10K

3.1 - 6.2 mi

Top 14%
×5
+79ft-138ft

Overall

4206

Males

3981

M18-39

3981

10K→15K

6.2 - 9.3 mi

Top 15%
×3
+67ft-78ft

Overall

4233

Males

3999

M18-39

3999

15K→20K

9.3 - 12.4 mi

Top 14%
×5
+106ft-86ft

Overall

4183

Males

3948

M18-39

3948

20K→HALF

12.4 - 13.1 mi

Top 13%
×2
+19ft-37ft

Overall

3843

Males

3641

M18-39

3641

HALF→25K

13.1 - 15.5 mi

Top 16%
×4
+66ft-88ft

Overall

4634

Males

4305

M18-39

4305

25K→30K

15.5 - 18.6 mi

Top 18%
×9
+181ft-148ft

Overall

5082

Males

4590

M18-39

4590

30K→20M

18.6 - 20.0 mi

Top 17%
×5
+64ft-50ft

Overall

5019

Males

4485

M18-39

4485

20M→21M

20.0 - 21.0 mi

Top 15%
×8
+106ft-24ft

Overall

4390

Males

3918

M18-39

3918

21M→35K

21.0 - 21.8 mi

Top 16%
×7
+17ft-86ft

Overall

4751

Males

4221

M18-39

4221

35K→23M

21.8 - 23.0 mi

Top 12%
×5
+23ft-63ft

Overall

3510

Males

3195

M18-39

3195

23M→24M

23.0 - 24.0 mi

Top 14%
×6
+12ft-82ft

Overall

4145

Males

3669

M18-39

3669

24M→40K

24.0 - 24.9 mi

Top 15%
×1
+6ft-20ft

Overall

4415

Males

3831

M18-39

3831

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1
+13ft-16ft

Overall

5336

Males

4441

M18-39

4441

25.2M→FINISH

25.2 - 26.2 mi

Top 14%
×2
+22ft-21ft

Overall

4147

Males

3568

M18-39

3568

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
923
Passed By
996
Net Change
-77
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4019
5K → 10K113200-91#4019#4110
10K → 15K98102-4#4110#4114
15K → 20K81106-25#4114#4139
20K → HALF229+13#4139#4126
HALF → 25K61120-59#4126#4185
25K → 30K72151-79#4185#4264
30K → 20M5487-33#4264#4297
20M → 21M6734+33#4297#4264
21M → 35K3837+1#4264#4263
35K → 23M10713+94#4263#4169
23M → 24M7732+45#4169#4124
24M → 40K5336+17#4124#4107
40K → 25.2M2023-3#4107#4110
25.2M → FINISH6046+14#4110#4096
TOTALS923996-77
📊

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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