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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Chun Hei Chan

Bib: 2873 •M •Age: N/A

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 17%
Gender (Male)
#0 / 16340
Top 27%
Age Group (M18-39)
#0 / 5723
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
20:24
3.11 mi
Rank: #4723
Start → 5K
20:24 | 6:34/mi
10K
41:06
6.21 mi
Rank: #5101 (-378)
5K → 10K
20:42 | 6:40/mi
15K
1:01:40
9.32 mi
Rank: #5092 (+9)
10K → 15K
20:34 | 6:38/mi
20K
1:22:31
12.43 mi
Rank: #5089 (+3)
15K → 20K
20:51 | 6:43/mi
HALF
1:26:59
13.11 mi
Rank: #5067 (+22)
20K → HALF
4:28 | 6:34/mi
25K
1:43:20
15.53 mi
Rank: #5061 (+6)
HALF → 25K
16:21 | 6:45/mi
30K
2:04:37
18.64 mi
Rank: #4947 (+114)
25K → 30K
21:17 | 6:52/mi
20M
2:13:48
20.00 mi
Rank: #4844 (+103)
30K → 20M
9:11 | 6:46/mi
21M
2:21:04
21.00 mi
Rank: #4833 (+11)
20M → 21M
7:16 | 7:16/mi
35K
2:26:05
21.75 mi
Rank: #4822 (+11)
21M → 35K
5:01 | 6:43/mi
23M
2:34:57
23.00 mi
Rank: #4880 (-58)
35K → 23M
8:52 | 7:06/mi
24M
2:41:46
24.00 mi
Rank: #4854 (+26)
23M → 24M
6:49 | 6:49/mi
40K
2:47:43
24.85 mi
Rank: #4831 (+23)
24M → 40K
5:57 | 6:58/mi
25.2M
2:50:19
25.20 mi
Rank: #4827 (+4)
40K → 25.2M
2:36 | 7:33/mi
FINISH
2:57:15
26.22 mi
Rank: #4862 (-35)
25.2M → FINISH
6:56 | 6:49/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
Time1:26:59
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:30:16
Pace6:54 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:2120:246:3420:24
6:34
-
10K
6.21 mi10:42:0341:066:3720:42
6:40
+0:06
15K
9.32 mi11:02:371:01:406:3720:34
6:38
-0:02
20K
12.43 mi11:23:281:22:316:3920:51
6:43
+0:05
HALF
13.11 mi11:27:561:26:596:394:28
6:34
-0:09
25K
15.53 mi11:44:171:43:206:4016:21
6:45
+0:11
30K
18.64 mi12:05:342:04:376:4221:17
6:52
+0:07
20M
20.00 mi12:14:452:13:486:429:11
6:46
-0:06
21M
21.00 mi12:22:012:21:046:447:16
7:16
+0:30
35K
21.75 mi12:27:022:26:056:445:01
6:43
-0:33
23M
23.00 mi12:35:542:34:576:458:52
7:06
+0:23
24M
24.00 mi12:42:432:41:466:456:49
6:49
-0:17
40K
24.85 mi12:48:402:47:436:455:57
6:58
+0:09
25.2M
25.20 mi12:51:162:50:196:462:36
7:33
+0:35
FINISH
26.22 mi12:58:122:57:156:466:56
6:49
-0:44

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

6:34 /mi

Average Pace

6:46 /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

2:47:23

94% of race

Time at Steady Pace

9:52

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:46 /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 mi10:21:2120:246:3420:24
6:34
#4723
10K
6.21 mi10:42:0341:066:3720:42
6:40
#5101
15K
9.32 mi11:02:371:01:406:3720:34
6:38
#5092
20K
12.43 mi11:23:281:22:316:3920:51
6:43
#5089
HALF
13.11 mi11:27:561:26:596:394:28
6:34
#5067
25K
15.53 mi11:44:171:43:206:4016:21
6:45
#5061
30K
18.64 mi12:05:342:04:376:4221:17
6:52
#4947
20M
20.00 mi12:14:452:13:486:429:11
6:46
#4844
21M
21.00 mi12:22:012:21:046:447:16
7:16
#4833
35K
21.75 mi12:27:022:26:056:445:01
6:43
#4822
23M
23.00 mi12:35:542:34:576:458:52
7:06
#4880
24M
24.00 mi12:42:432:41:466:456:49
6:49
#4854
40K
24.85 mi12:48:402:47:436:455:57
6:58
#4831
25.2M
25.20 mi12:51:162:50:196:462:36
7:33
#4827
FINISH
26.22 mi12:58:122:57:156:466:56
6:49
#4862
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 mi4723442644265067(Top 17%)4713(Top 29%)4713(Top 82%)
10K6.21 mi3.10 mi5101-3784757-3314757-3315592(Top 19%)5147(Top 31%)5147(Top 90%)
15K9.32 mi3.11 mi5092+94745+124745+125067(Top 17%)4713(Top 29%)4713(Top 82%)
20K12.43 mi3.11 mi5089+34739+64739+65286(Top 18%)4872(Top 30%)4872(Top 85%)
HALF13.11 mi0.68 mi5067+224722+174722+174831(Top 17%)4503(Top 28%)4503(Top 79%)
25K15.53 mi2.42 mi5061+64706+164706+165240(Top 18%)4784(Top 29%)4784(Top 84%)
30K18.64 mi3.11 mi4947+1144603+1034603+1034769(Top 16%)4343(Top 27%)4343(Top 76%)
20M20.00 mi1.36 mi4844+1034504+994504+993877(Top 13%)3578(Top 22%)3578(Top 63%)
21M21.00 mi1.00 mi4833+114482+224482+225045(Top 17%)4429(Top 27%)4429(Top 77%)
35K21.75 mi0.75 mi4822+114467+154467+154964(Top 17%)4391(Top 27%)4391(Top 77%)
23M23.00 mi1.25 mi4880-584507-404507-405999(Top 21%)5098(Top 31%)5098(Top 89%)
24M24.00 mi1.00 mi4854+264474+334474+335222(Top 18%)4494(Top 28%)4494(Top 79%)
40K24.85 mi0.85 mi4831+234438+364438+365230(Top 18%)4447(Top 27%)4447(Top 78%)
25.2M25.20 mi0.35 mi4827+44427+114427+115432(Top 19%)4537(Top 28%)4537(Top 79%)
FINISH26.22 mi1.02 mi4862-354442-154442-156106(Top 21%)4927(Top 30%)4927(Top 86%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21
+97ft-345ft

Overall

5067

Males

4713

M18-39

4713

5K→10K

3.1 - 6.2 mi

Top 19%
×5
+79ft-138ft

Overall

5592

Males

5147

M18-39

5147

10K→15K

6.2 - 9.3 mi

Top 17%
×3
+67ft-78ft

Overall

5067

Males

4713

M18-39

4713

15K→20K

9.3 - 12.4 mi

Top 18%
×5
+106ft-86ft

Overall

5286

Males

4872

M18-39

4872

20K→HALF

12.4 - 13.1 mi

Top 17%
×2
+19ft-37ft

Overall

4831

Males

4503

M18-39

4503

HALF→25K

13.1 - 15.5 mi

Top 18%
×4
+66ft-88ft

Overall

5240

Males

4784

M18-39

4784

25K→30K

15.5 - 18.6 mi

Top 16%
×9
+181ft-148ft

Overall

4769

Males

4343

M18-39

4343

30K→20M

18.6 - 20.0 mi

Top 13%
×5
+64ft-50ft

Overall

3877

Males

3578

M18-39

3578

20M→21M

20.0 - 21.0 mi

Top 17%
×8
+106ft-24ft

Overall

5045

Males

4429

M18-39

4429

21M→35K

21.0 - 21.8 mi

Top 17%
×7
+17ft-86ft

Overall

4964

Males

4391

M18-39

4391

35K→23M

21.8 - 23.0 mi

Top 21%
×5
+23ft-63ft

Overall

5999

Males

5098

M18-39

5098

23M→24M

23.0 - 24.0 mi

Top 18%
×6
+12ft-82ft

Overall

5222

Males

4494

M18-39

4494

24M→40K

24.0 - 24.9 mi

Top 18%
×1
+6ft-20ft

Overall

5230

Males

4447

M18-39

4447

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1
+13ft-16ft

Overall

5432

Males

4537

M18-39

4537

25.2M→FINISH

25.2 - 26.2 mi

Top 21%
×2
+22ft-21ft

Overall

6106

Males

4927

M18-39

4927

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1057
Passed By
963
Net Change
-139
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4723
5K → 10K55200-378#4723#5101
10K → 15K109100+9#5101#5092
15K → 20K107104+3#5092#5089
20K → HALF286+22#5089#5067
HALF → 25K9589+6#5067#5061
25K → 30K17763+114#5061#4947
30K → 20M11714+103#4947#4844
20M → 21M6655+11#4844#4833
21M → 35K4635+11#4833#4822
35K → 23M56114-58#4822#4880
23M → 24M7347+26#4880#4854
24M → 40K6340+23#4854#4831
40K → 25.2M2319+4#4831#4827
25.2M → FINISH4277-35#4827#4862
TOTALS1057963-139
📊

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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Activity Data

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