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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

John Adachi

Bib: 18502 •M •Age: N/A

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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
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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
23:59
3.11 mi
Rank: #14725
Start → 5K
23:59 | 7:44/mi
10K
47:32
6.21 mi
Rank: #14166 (+559)
5K → 10K
23:33 | 7:35/mi
15K
1:11:27
9.32 mi
Rank: #14238 (-72)
10K → 15K
23:55 | 7:42/mi
20K
1:41:01
12.43 mi
Rank: #17702 (-3464)
15K → 20K
29:34 | 9:31/mi
HALF
1:46:34
13.11 mi
Rank: #17725 (-23)
20K → HALF
5:33 | 8:09/mi
25K
2:06:55
15.53 mi
Rank: #17739 (-14)
HALF → 25K
20:21 | 8:24/mi
30K
2:34:50
18.64 mi
Rank: #18065 (-326)
25K → 30K
27:55 | 9:00/mi
20M
2:47:44
20.00 mi
Rank: #18323 (-258)
30K → 20M
12:54 | 9:30/mi
21M
2:57:23
21.00 mi
Rank: #18345 (-22)
20M → 21M
9:39 | 9:39/mi
35K
3:04:25
21.75 mi
Rank: #18500 (-155)
21M → 35K
7:02 | 9:25/mi
23M
3:16:03
23.00 mi
Rank: #18580 (-80)
35K → 23M
11:38 | 9:18/mi
24M
3:24:58
24.00 mi
Rank: #18596 (-16)
23M → 24M
8:55 | 8:55/mi
40K
3:32:38
24.85 mi
Rank: #18591 (+5)
24M → 40K
7:40 | 8:59/mi
25.2M
3:35:54
25.20 mi
Rank: #18567 (+24)
40K → 25.2M
3:16 | 9:29/mi
FINISH
3:44:29
26.22 mi
Rank: #18519 (+48)
25.2M → FINISH
8:35 | 8:26/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:46:34
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:57:55
Pace9:00 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:4323:597:4423:59
7:44
-
10K
6.21 mi11:49:1647:327:3923:33
7:35
-0:09
15K
9.32 mi12:13:111:11:277:4023:55
7:42
+0:07
20K
12.43 mi12:42:451:41:018:0829:34
9:31
+1:49
HALF
13.11 mi12:48:181:46:348:085:33
8:09
-1:22
25K
15.53 mi13:08:392:06:558:1120:21
8:24
+0:15
30K
18.64 mi13:36:342:34:508:1927:55
9:00
+0:36
20M
20.00 mi13:49:282:47:448:2412:54
9:30
+0:30
21M
21.00 mi13:59:072:57:238:279:39
9:39
+0:09
35K
21.75 mi14:06:093:04:258:297:02
9:25
-0:14
23M
23.00 mi14:17:473:16:038:3211:38
9:18
-0:07
24M
24.00 mi14:26:423:24:588:338:55
8:55
-0:23
40K
24.85 mi14:34:223:32:388:347:40
8:59
+0:04
25.2M
25.20 mi14:37:383:35:548:353:16
9:29
+0:30
FINISH
26.22 mi14:46:133:44:298:358:35
8:26
-1:03

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

7:35 /mi

Average Pace

8:34 /mi

Slowest Pace

9:39 /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

1:45:56

47% of race

Time at Steady Pace

56:08

25% of race

Time at Slower Pace

1:02:25

28% of race

Average Pace: 8:34 /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 mi11:25:4323:597:4423:59
7:44
#14725
10K
6.21 mi11:49:1647:327:3923:33
7:35
#14166
15K
9.32 mi12:13:111:11:277:4023:55
7:42
#14238
20K
12.43 mi12:42:451:41:018:0829:34
9:31
#17702
HALF
13.11 mi12:48:181:46:348:085:33
8:09
#17725
25K
15.53 mi13:08:392:06:558:1120:21
8:24
#17739
30K
18.64 mi13:36:342:34:508:1927:55
9:00
#18065
20M
20.00 mi13:49:282:47:448:2412:54
9:30
#18323
21M
21.00 mi13:59:072:57:238:279:39
9:39
#18345
35K
21.75 mi14:06:093:04:258:297:02
9:25
#18500
23M
23.00 mi14:17:473:16:038:3211:38
9:18
#18580
24M
24.00 mi14:26:423:24:588:338:55
8:55
#18596
40K
24.85 mi14:34:223:32:388:347:40
8:59
#18591
25.2M
25.20 mi14:37:383:35:548:353:16
9:29
#18567
FINISH
26.22 mi14:46:133:44:298:358:35
8:26
#18519
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 mi14725101661016614522(Top 50%)10008(Top 61%)10008(Top 671%)
10K6.21 mi3.10 mi14166+5599917+2499917+24913673(Top 47%)9697(Top 59%)9697(Top 650%)
15K9.32 mi3.11 mi14238-729915+29915+214522(Top 50%)10008(Top 61%)10008(Top 671%)
20K12.43 mi3.11 mi17702-346411300-138511300-138523798(Top 82%)14111(Top 86%)14111(Top 946%)
HALF13.11 mi0.68 mi17725-2311308-811308-818017(Top 62%)11470(Top 70%)11470(Top 769%)
25K15.53 mi2.42 mi17739-1411314-611314-617924(Top 62%)11338(Top 69%)11338(Top 760%)
30K18.64 mi3.11 mi18065-32611414-10011414-10019500(Top 67%)11936(Top 73%)11936(Top 801%)
20M20.00 mi1.36 mi18323-25811502-8811502-8821032(Top 72%)12586(Top 77%)12586(Top 844%)
21M21.00 mi1.00 mi18345-2211496+611496+619163(Top 66%)11686(Top 72%)11686(Top 784%)
35K21.75 mi0.75 mi18500-15511555-5911555-5921459(Top 74%)12699(Top 78%)12699(Top 852%)
23M23.00 mi1.25 mi18580-8011574-1911574-1919811(Top 68%)11842(Top 72%)11842(Top 794%)
24M24.00 mi1.00 mi18596-1611557+1711557+1719072(Top 66%)11448(Top 70%)11448(Top 768%)
40K24.85 mi0.85 mi18591+511538+1911538+1918218(Top 63%)10997(Top 67%)10997(Top 738%)
25.2M25.20 mi0.35 mi18567+2411522+1611522+1617158(Top 59%)10505(Top 64%)10505(Top 705%)
FINISH26.22 mi1.02 mi18519+4811486+3611486+3617729(Top 61%)10761(Top 66%)10761(Top 722%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21
+97ft-345ft

Overall

14522

Males

10008

M55-59

10008

5K→10K

3.1 - 6.2 mi

Top 47%
×5
+79ft-138ft

Overall

13673

Males

9697

M55-59

9697

10K→15K

6.2 - 9.3 mi

Top 50%
×3
+67ft-78ft

Overall

14522

Males

10008

M55-59

10008

15K→20K

9.3 - 12.4 mi

Top 82%
×5
+106ft-86ft

Overall

23798

Males

14111

M55-59

14111

20K→HALF

12.4 - 13.1 mi

Top 62%
×2
+19ft-37ft

Overall

18017

Males

11470

M55-59

11470

HALF→25K

13.1 - 15.5 mi

Top 62%
×4
+66ft-88ft

Overall

17924

Males

11338

M55-59

11338

25K→30K

15.5 - 18.6 mi

Top 67%
×9
+181ft-148ft

Overall

19500

Males

11936

M55-59

11936

30K→20M

18.6 - 20.0 mi

Top 72%
×5
+64ft-50ft

Overall

21032

Males

12586

M55-59

12586

20M→21M

20.0 - 21.0 mi

Top 66%
×8
+106ft-24ft

Overall

19163

Males

11686

M55-59

11686

21M→35K

21.0 - 21.8 mi

Top 74%
×7
+17ft-86ft

Overall

21459

Males

12699

M55-59

12699

35K→23M

21.8 - 23.0 mi

Top 68%
×5
+23ft-63ft

Overall

19811

Males

11842

M55-59

11842

23M→24M

23.0 - 24.0 mi

Top 66%
×6
+12ft-82ft

Overall

19072

Males

11448

M55-59

11448

24M→40K

24.0 - 24.9 mi

Top 63%
×1
+6ft-20ft

Overall

18218

Males

10997

M55-59

10997

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1
+13ft-16ft

Overall

17158

Males

10505

M55-59

10505

25.2M→FINISH

25.2 - 26.2 mi

Top 61%
×2
+22ft-21ft

Overall

17729

Males

10761

M55-59

10761

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1569*
Passed By
1712
Net Change
-3794
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14725
5K → 10K666*107+559#14725#14166
10K → 15K175200-72#14166#14238
15K → 20K1200-3464#14238#17702
20K → HALF2851-23#17702#17725
HALF → 25K117131-14#17725#17739
25K → 30K107200-326#17739#18065
30K → 20M48200-258#18065#18323
20M → 21M81103-22#18323#18345
21M → 35K23178-155#18345#18500
35K → 23M70150-80#18500#18580
23M → 24M5874-16#18580#18596
24M → 40K6257+5#18596#18591
40K → 25.2M4218+24#18591#18567
25.2M → FINISH9143+48#18567#18519
TOTALS1569*1712-3794

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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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