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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Chin Tung James Cheung

Bib: 17445 •M •Age: N/A

NT

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 (M55-59)
#0 / 1491
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
24:31
3.11 mi
Rank: #16123
Start → 5K
24:31 | 7:54/mi
10K
50:10
6.21 mi
Rank: #17607 (-1484)
5K → 10K
25:39 | 8:16/mi
15K
1:16:53
9.32 mi
Rank: #18690 (-1083)
10K → 15K
26:43 | 8:36/mi
20K
1:44:45
12.43 mi
Rank: #19517 (-827)
15K → 20K
27:52 | 8:59/mi
HALF
1:50:45
13.11 mi
Rank: #19637 (-120)
20K → HALF
6:00 | 8:49/mi
25K
2:12:59
15.53 mi
Rank: #20057 (-420)
HALF → 25K
22:14 | 9:11/mi
30K
2:42:36
18.64 mi
Rank: #20452 (-395)
25K → 30K
29:37 | 9:32/mi
20M
2:55:34
20.00 mi
Rank: #20521 (-69)
30K → 20M
12:58 | 9:33/mi
21M
3:05:28
21.00 mi
Rank: #20491 (+30)
20M → 21M
9:54 | 9:54/mi
35K
3:12:17
21.75 mi
Rank: #20491
21M → 35K
6:49 | 9:07/mi
23M
3:23:58
23.00 mi
Rank: #20460 (+31)
35K → 23M
11:41 | 9:21/mi
24M
3:33:08
24.00 mi
Rank: #20444 (+16)
23M → 24M
9:10 | 9:10/mi
40K
3:40:54
24.85 mi
Rank: #20376 (+68)
24M → 40K
7:46 | 9:06/mi
25.2M
3:44:21
25.20 mi
Rank: #20363 (+13)
40K → 25.2M
3:27 | 10:01/mi
FINISH
3:53:21
26.22 mi
Rank: #20335 (+28)
25.2M → FINISH
9:00 | 8:50/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:50:45
Pace8:27 /mi
2nd Half
Distance13.11 mi
Time2:02:36
Pace9:22 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:06:3724:317:5424:31
7:54
-
10K
6.21 mi11:32:1650:108:0525:39
8:16
+0:22
15K
9.32 mi11:58:591:16:538:1526:43
8:36
+0:20
20K
12.43 mi12:26:511:44:458:2627:52
8:59
+0:23
HALF
13.11 mi12:32:511:50:458:276:00
8:49
-0:10
25K
15.53 mi12:55:052:12:598:3422:14
9:11
+0:22
30K
18.64 mi13:24:422:42:368:4429:37
9:32
+0:21
20M
20.00 mi13:37:402:55:348:4712:58
9:33
+0:01
21M
21.00 mi13:47:343:05:288:509:54
9:54
+0:21
35K
21.75 mi13:54:233:12:178:516:49
9:07
-0:47
23M
23.00 mi14:06:043:23:588:5311:41
9:21
+0:14
24M
24.00 mi14:15:143:33:088:539:10
9:10
-0:11
40K
24.85 mi14:23:003:40:548:547:46
9:06
-0:04
25.2M
25.20 mi14:26:273:44:218:553:27
10:01
+0:55
FINISH
26.22 mi14:35:273:53:218:559:00
8:50
-1:11

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

7:54 /mi

Average Pace

8:54 /mi

Slowest Pace

10:01 /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

1:31:53

39% of race

Time at Steady Pace

1:25:32

37% of race

Time at Slower Pace

55:56

24% of race

Average Pace: 8:54 /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 mi11:06:3724:317:5424:31
7:54
#16123
10K
6.21 mi11:32:1650:108:0525:39
8:16
#17607
15K
9.32 mi11:58:591:16:538:1526:43
8:36
#18690
20K
12.43 mi12:26:511:44:458:2627:52
8:59
#19517
HALF
13.11 mi12:32:511:50:458:276:00
8:49
#19637
25K
15.53 mi12:55:052:12:598:3422:14
9:11
#20057
30K
18.64 mi13:24:422:42:368:4429:37
9:32
#20452
20M
20.00 mi13:37:402:55:348:4712:58
9:33
#20521
21M
21.00 mi13:47:343:05:288:509:54
9:54
#20491
35K
21.75 mi13:54:233:12:178:516:49
9:07
#20491
23M
23.00 mi14:06:043:23:588:5311:41
9:21
#20460
24M
24.00 mi14:15:143:33:088:539:10
9:10
#20444
40K
24.85 mi14:23:003:40:548:547:46
9:06
#20376
25.2M
25.20 mi14:26:273:44:218:553:27
10:01
#20363
FINISH
26.22 mi14:35:273:53:218:559:00
8:50
#20335
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi16123106641066420673(Top 71%)12646(Top 77%)12646(Top 848%)
10K6.21 mi3.10 mi17607-148411277-61311277-61318897(Top 65%)11848(Top 73%)11848(Top 795%)
15K9.32 mi3.11 mi18690-108311739-46211739-46220673(Top 71%)12646(Top 77%)12646(Top 848%)
20K12.43 mi3.11 mi19517-82712081-34212081-34221788(Top 75%)13141(Top 80%)13141(Top 881%)
HALF13.11 mi0.68 mi19637-12012131-5012131-5021780(Top 75%)13152(Top 80%)13152(Top 882%)
25K15.53 mi2.42 mi20057-42012308-17712308-17721883(Top 75%)13172(Top 81%)13172(Top 883%)
30K18.64 mi3.11 mi20452-39512465-15712465-15721749(Top 75%)13018(Top 80%)13018(Top 873%)
20M20.00 mi1.36 mi20521-6912499-3412499-3421210(Top 73%)12673(Top 78%)12673(Top 850%)
21M21.00 mi1.00 mi20491+3012472+2712472+2720085(Top 69%)12105(Top 74%)12105(Top 812%)
35K21.75 mi0.75 mi2049112459+1312459+1320442(Top 70%)12206(Top 75%)12206(Top 819%)
23M23.00 mi1.25 mi20460+3112435+2412435+2419965(Top 69%)11929(Top 73%)11929(Top 800%)
24M24.00 mi1.00 mi20444+1612407+2812407+2820121(Top 69%)11935(Top 73%)11935(Top 800%)
40K24.85 mi0.85 mi20376+6812359+4812359+4818775(Top 65%)11249(Top 69%)11249(Top 754%)
25.2M25.20 mi0.35 mi20363+1312347+1212347+1219405(Top 67%)11571(Top 71%)11571(Top 776%)
FINISH26.22 mi1.02 mi20335+2812320+2712320+2719778(Top 68%)11734(Top 72%)11734(Top 787%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21
+97ft-345ft

Overall

20673

Males

12646

M55-59

12646

5K→10K

3.1 - 6.2 mi

Top 65%
×5
+79ft-138ft

Overall

18897

Males

11848

M55-59

11848

10K→15K

6.2 - 9.3 mi

Top 71%
×3
+67ft-78ft

Overall

20673

Males

12646

M55-59

12646

15K→20K

9.3 - 12.4 mi

Top 75%
×5
+106ft-86ft

Overall

21788

Males

13141

M55-59

13141

20K→HALF

12.4 - 13.1 mi

Top 75%
×2
+19ft-37ft

Overall

21780

Males

13152

M55-59

13152

HALF→25K

13.1 - 15.5 mi

Top 75%
×4
+66ft-88ft

Overall

21883

Males

13172

M55-59

13172

25K→30K

15.5 - 18.6 mi

Top 75%
×9
+181ft-148ft

Overall

21749

Males

13018

M55-59

13018

30K→20M

18.6 - 20.0 mi

Top 73%
×5
+64ft-50ft

Overall

21210

Males

12673

M55-59

12673

20M→21M

20.0 - 21.0 mi

Top 69%
×8
+106ft-24ft

Overall

20085

Males

12105

M55-59

12105

21M→35K

21.0 - 21.8 mi

Top 70%
×7
+17ft-86ft

Overall

20442

Males

12206

M55-59

12206

35K→23M

21.8 - 23.0 mi

Top 69%
×5
+23ft-63ft

Overall

19965

Males

11929

M55-59

11929

23M→24M

23.0 - 24.0 mi

Top 69%
×6
+12ft-82ft

Overall

20121

Males

11935

M55-59

11935

24M→40K

24.0 - 24.9 mi

Top 65%
×1
+6ft-20ft

Overall

18775

Males

11249

M55-59

11249

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1
+13ft-16ft

Overall

19405

Males

11571

M55-59

11571

25.2M→FINISH

25.2 - 26.2 mi

Top 68%
×2
+22ft-21ft

Overall

19778

Males

11734

M55-59

11734

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
759
Passed By
1557
Net Change
-4212
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16123
5K → 10K25200-1484#16123#17607
10K → 15K17200-1083#17607#18690
15K → 20K33200-827#18690#19517
20K → HALF7127-120#19517#19637
HALF → 25K36200-420#19637#20057
25K → 30K94200-395#20057#20452
30K → 20M73142-69#20452#20521
20M → 21M8656+30#20521#20491
21M → 35K47470#20491#20491
35K → 23M8857+31#20491#20460
23M → 24M6751+16#20460#20444
24M → 40K8618+68#20444#20376
40K → 25.2M2714+13#20376#20363
25.2M → FINISH7345+28#20363#20335
TOTALS7591557-4212
📊

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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