Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Yuichi Aiba

Bib: 19981MAge: N/A

MA

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
23:28
3.11 mi
Rank: #13213
Start5K
23:28 | 7:34/mi
10K
47:32
6.21 mi
Rank: #14162 (-949)
5K10K
24:04 | 7:45/mi
15K
1:11:51
9.32 mi
Rank: #14619 (-457)
10K15K
24:19 | 7:50/mi
20K
1:36:52
12.43 mi
Rank: #15114 (-495)
15K20K
25:01 | 8:04/mi
HALF
1:42:17
13.11 mi
Rank: #15201 (-87)
20KHALF
5:25 | 7:57/mi
25K
2:02:10
15.53 mi
Rank: #15471 (-270)
HALF25K
19:53 | 8:12/mi
30K
2:28:18
18.64 mi
Rank: #15651 (-180)
25K30K
26:08 | 8:25/mi
20M
2:39:56
20.00 mi
Rank: #15702 (-51)
30K20M
11:38 | 8:34/mi
21M
2:48:47
21.00 mi
Rank: #15649 (+53)
20M21M
8:51 | 8:51/mi
35K
2:55:28
21.75 mi
Rank: #15825 (-176)
21M35K
6:41 | 8:57/mi
23M
3:06:22
23.00 mi
Rank: #15874 (-49)
35K23M
10:54 | 8:43/mi
24M
3:14:56
24.00 mi
Rank: #15944 (-70)
23M24M
8:34 | 8:34/mi
40K
3:22:28
24.85 mi
Rank: #15972 (-28)
24M40K
7:32 | 8:49/mi
25.2M
3:25:45
25.20 mi
Rank: #15990 (-18)
40K25.2M
3:17 | 9:32/mi
FINISH
3:34:25
26.22 mi
Rank: #16063 (-73)
25.2MFINISH
8:40 | 8:31/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:42:17
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:52:08
Pace8:34 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:3723:287:3423:28
7:34
-
10K
6.21 mi11:52:4147:327:3924:04
7:45
+0:11
15K
9.32 mi12:17:001:11:517:4324:19
7:50
+0:05
20K
12.43 mi12:42:011:36:527:4825:01
8:04
+0:14
HALF
13.11 mi12:47:261:42:177:495:25
7:57
-0:07
25K
15.53 mi13:07:192:02:107:5219:53
8:12
+0:15
30K
18.64 mi13:33:272:28:187:5826:08
8:25
+0:13
20M
20.00 mi13:45:052:39:568:0011:38
8:34
+0:09
21M
21.00 mi13:53:562:48:478:038:51
8:51
+0:17
35K
21.75 mi14:00:372:55:288:056:41
8:57
+0:06
23M
23.00 mi14:11:313:06:228:0710:54
8:43
-0:14
24M
24.00 mi14:20:053:14:568:088:34
8:34
-0:09
40K
24.85 mi14:27:373:22:288:097:32
8:49
+0:15
25.2M
25.20 mi14:30:543:25:458:103:17
9:32
+0:43
FINISH
26.22 mi14:39:343:34:258:128:40
8:31
-1:01

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

7:34 /mi

Average Pace

8:11 /mi

Slowest Pace

9:32 /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

2:02:10

57% of race

Time at Steady Pace

1:05:54

31% of race

Time at Slower Pace

26:21

12% of race

Average Pace: 8:11 /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 mi11:28:3723:287:3423:28
7:34
#13213
10K
6.21 mi11:52:4147:327:3924:04
7:45
#14162
15K
9.32 mi12:17:001:11:517:4324:19
7:50
#14619
20K
12.43 mi12:42:011:36:527:4825:01
8:04
#15114
HALF
13.11 mi12:47:261:42:177:495:25
7:57
#15201
25K
15.53 mi13:07:192:02:107:5219:53
8:12
#15471
30K
18.64 mi13:33:272:28:187:5826:08
8:25
#15651
20M
20.00 mi13:45:052:39:568:0011:38
8:34
#15702
21M
21.00 mi13:53:562:48:478:038:51
8:51
#15649
35K
21.75 mi14:00:372:55:288:056:41
8:57
#15825
23M
23.00 mi14:11:313:06:228:0710:54
8:43
#15874
24M
24.00 mi14:20:053:14:568:088:34
8:34
#15944
40K
24.85 mi14:27:373:22:288:097:32
8:49
#15972
25.2M
25.20 mi14:30:543:25:458:103:17
9:32
#15990
FINISH
26.22 mi14:39:343:34:258:128:40
8:31
#16063
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 mi132139554955415561(Top 54%)10409(Top 64%)10409(Top 698%)
10K6.21 mi3.10 mi14162-9499913-3599913-35915127(Top 52%)10280(Top 63%)10280(Top 689%)
15K9.32 mi3.11 mi14619-45710060-14710060-14715561(Top 54%)10409(Top 64%)10409(Top 698%)
20K12.43 mi3.11 mi15114-49510232-17210232-17216500(Top 57%)10775(Top 66%)10775(Top 723%)
HALF13.11 mi0.68 mi15201-8710269-3710269-3716653(Top 57%)10867(Top 67%)10867(Top 729%)
25K15.53 mi2.42 mi15471-27010353-8410353-8416768(Top 58%)10835(Top 66%)10835(Top 727%)
30K18.64 mi3.11 mi15651-18010394-4110394-4116320(Top 56%)10556(Top 65%)10556(Top 708%)
20M20.00 mi1.36 mi15702-5110397-310397-316552(Top 57%)10546(Top 65%)10546(Top 707%)
21M21.00 mi1.00 mi15649+5310355+4210355+4215260(Top 53%)9932(Top 61%)9932(Top 666%)
35K21.75 mi0.75 mi15825-17610408-5310408-5319723(Top 68%)11823(Top 72%)11823(Top 793%)
23M23.00 mi1.25 mi15874-4910399+910399+916941(Top 58%)10478(Top 64%)10478(Top 703%)
24M24.00 mi1.00 mi15944-7010411-1210411-1217230(Top 59%)10568(Top 65%)10568(Top 709%)
40K24.85 mi0.85 mi15972-2810404+710404+717419(Top 60%)10611(Top 65%)10611(Top 712%)
25.2M25.20 mi0.35 mi15990-1810406-210406-217353(Top 60%)10577(Top 65%)10577(Top 709%)
FINISH26.22 mi1.02 mi16063-7310412-610412-618170(Top 63%)10965(Top 67%)10965(Top 735%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21
+97ft-345ft

Overall

15561

Males

10409

M55-59

10409

5K→10K

3.1 - 6.2 mi

Top 52%
×5
+79ft-138ft

Overall

15127

Males

10280

M55-59

10280

10K→15K

6.2 - 9.3 mi

Top 54%
×3
+67ft-78ft

Overall

15561

Males

10409

M55-59

10409

15K→20K

9.3 - 12.4 mi

Top 57%
×5
+106ft-86ft

Overall

16500

Males

10775

M55-59

10775

20K→HALF

12.4 - 13.1 mi

Top 57%
×2
+19ft-37ft

Overall

16653

Males

10867

M55-59

10867

HALF→25K

13.1 - 15.5 mi

Top 58%
×4
+66ft-88ft

Overall

16768

Males

10835

M55-59

10835

25K→30K

15.5 - 18.6 mi

Top 56%
×9
+181ft-148ft

Overall

16320

Males

10556

M55-59

10556

30K→20M

18.6 - 20.0 mi

Top 57%
×5
+64ft-50ft

Overall

16552

Males

10546

M55-59

10546

20M→21M

20.0 - 21.0 mi

Top 53%
×8
+106ft-24ft

Overall

15260

Males

9932

M55-59

9932

21M→35K

21.0 - 21.8 mi

Top 68%
×7
+17ft-86ft

Overall

19723

Males

11823

M55-59

11823

35K→23M

21.8 - 23.0 mi

Top 58%
×5
+23ft-63ft

Overall

16941

Males

10478

M55-59

10478

23M→24M

23.0 - 24.0 mi

Top 59%
×6
+12ft-82ft

Overall

17230

Males

10568

M55-59

10568

24M→40K

24.0 - 24.9 mi

Top 60%
×1
+6ft-20ft

Overall

17419

Males

10611

M55-59

10611

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1
+13ft-16ft

Overall

17353

Males

10577

M55-59

10577

25.2M→FINISH

25.2 - 26.2 mi

Top 63%
×2
+22ft-21ft

Overall

18170

Males

10965

M55-59

10965

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
909
Passed By
1971
Net Change
-2850
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13213
5K10K59200-949#13213#14162
10K15K89200-457#14162#14619
15K20K56200-495#14619#15114
20KHALF14101-87#15114#15201
HALF25K73200-270#15201#15471
25K30K150200-180#15471#15651
30K20M73124-51#15651#15702
20M21M12976+53#15702#15649
21M35K34200-176#15649#15825
35K23M76125-49#15825#15874
23M24M43113-70#15874#15944
24M40K5280-28#15944#15972
40K25.2M2139-18#15972#15990
25.2MFINISH40113-73#15990#16063
TOTALS9091971-2850
📊

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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