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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Hiroaki Komuro

Bib: 4142 β€’M β€’Age: N/A

CA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 11%
Gender (Male)
#0 / 16340
Top 18%
Age Group (M18-39)
#0 / 5723
Top 42%
Race Day Weather
51Β°/41Β°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
19:31
3.11 mi
Rank: #2569
Start β†’ 5K
19:31 | 6:17/mi
10K
38:51
6.21 mi
Rank: #2459 (+110)
5K β†’ 10K
19:20 | 6:14/mi
15K
58:04
9.32 mi
Rank: #2342 (+117)
10K β†’ 15K
19:13 | 6:12/mi
20K
1:17:38
12.43 mi
Rank: #2374 (-32)
15K β†’ 20K
19:34 | 6:18/mi
HALF
1:21:56
13.11 mi
Rank: #2402 (-28)
20K β†’ HALF
4:18 | 6:19/mi
25K
1:37:28
15.53 mi
Rank: #2458 (-56)
HALF β†’ 25K
15:32 | 6:25/mi
30K
1:58:07
18.64 mi
Rank: #2596 (-138)
25K β†’ 30K
20:39 | 6:39/mi
20M
2:07:33
20.00 mi
Rank: #2753 (-157)
30K β†’ 20M
9:26 | 6:57/mi
21M
2:14:53
21.00 mi
Rank: #2853 (-100)
20M β†’ 21M
7:20 | 7:20/mi
35K
2:19:56
21.75 mi
Rank: #2919 (-66)
21M β†’ 35K
5:03 | 6:46/mi
23M
2:28:34
23.00 mi
Rank: #2968 (-49)
35K β†’ 23M
8:38 | 6:54/mi
24M
2:35:23
24.00 mi
Rank: #3025 (-57)
23M β†’ 24M
6:49 | 6:49/mi
40K
2:41:25
24.85 mi
Rank: #3094 (-69)
24M β†’ 40K
6:02 | 7:04/mi
25.2M
2:44:02
25.20 mi
Rank: #3120 (-26)
40K β†’ 25.2M
2:37 | 7:36/mi
FINISH
2:50:43
26.22 mi
Rank: #3135 (-15)
25.2M β†’ FINISH
6:41 | 6:34/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:21:56
Pace6:16 /mi
2nd Half
Distance13.11 mi
Time1:28:47
Pace6:47 /mi
πŸ“ŠPositive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0519:316:1719:31
6:17
-
10K
6.21 mi10:40:2538:516:1619:20
6:14
-0:03
15K
9.32 mi10:59:3858:046:1419:13
6:12
-0:02
20K
12.43 mi11:19:121:17:386:1519:34
6:18
+0:06
HALF
13.11 mi11:23:301:21:566:164:18
6:19
+0:01
25K
15.53 mi11:39:021:37:286:1715:32
6:25
+0:06
30K
18.64 mi11:59:411:58:076:2120:39
6:39
+0:14
20M
20.00 mi12:09:072:07:336:239:26
6:57
+0:18
21M
21.00 mi12:16:272:14:536:267:20
7:20
+0:23
35K
21.75 mi12:21:302:19:566:275:03
6:46
-0:34
23M
23.00 mi12:30:082:28:346:288:38
6:54
+0:08
24M
24.00 mi12:36:572:35:236:296:49
6:49
-0:05
40K
24.85 mi12:42:592:41:256:306:02
7:04
+0:15
25.2M
25.20 mi12:45:362:44:026:312:37
7:36
+0:32
FINISH
26.22 mi12:52:172:50:436:316:41
6:34
-1:02

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

6:12 /mi

Average Pace

6:31 /mi

Slowest Pace

7:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

1:37:28

57% of race

Time at Steady Pace

39:12

23% of race

Time at Slower Pace

34:03

20% of race

Average Pace: 6:31 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi10:21:0519:316:1719:31
6:17
#2569
10K
6.21 mi10:40:2538:516:1619:20
6:14
#2459
15K
9.32 mi10:59:3858:046:1419:13
6:12
#2342
20K
12.43 mi11:19:121:17:386:1519:34
6:18
#2374
HALF
13.11 mi11:23:301:21:566:164:18
6:19
#2402
25K
15.53 mi11:39:021:37:286:1715:32
6:25
#2458
30K
18.64 mi11:59:411:58:076:2120:39
6:39
#2596
20M
20.00 mi12:09:072:07:336:239:26
6:57
#2753
21M
21.00 mi12:16:272:14:536:267:20
7:20
#2853
35K
21.75 mi12:21:302:19:566:275:03
6:46
#2919
23M
23.00 mi12:30:082:28:346:288:38
6:54
#2968
24M
24.00 mi12:36:572:35:236:296:49
6:49
#3025
40K
24.85 mi12:42:592:41:256:306:02
7:04
#3094
25.2M
25.20 mi12:45:362:44:026:312:37
7:36
#3120
FINISH
26.22 mi12:52:172:50:436:316:41
6:34
#3135
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 mi2569246824682216(Top 8%)2137(Top 13%)2137(Top 37%)
10K6.21 mi3.10 mi2459+1102369+992369+992383(Top 8%)2297(Top 14%)2297(Top 40%)
15K9.32 mi3.11 mi2342+1172258+1112258+1112216(Top 8%)2137(Top 13%)2137(Top 37%)
20K12.43 mi3.11 mi2374-322292-342292-342553(Top 9%)2459(Top 15%)2459(Top 43%)
HALF13.11 mi0.68 mi2402-282318-262318-263124(Top 11%)3004(Top 18%)3004(Top 52%)
25K15.53 mi2.42 mi2458-562370-522370-522923(Top 10%)2807(Top 17%)2807(Top 49%)
30K18.64 mi3.11 mi2596-1382494-1242494-1243372(Top 12%)3174(Top 19%)3174(Top 55%)
20M20.00 mi1.36 mi2753-1572642-1482642-1485111(Top 18%)4562(Top 28%)4562(Top 80%)
21M21.00 mi1.00 mi2853-1002738-962738-965422(Top 19%)4712(Top 29%)4712(Top 82%)
35K21.75 mi0.75 mi2919-662795-572795-575250(Top 18%)4614(Top 28%)4614(Top 81%)
23M23.00 mi1.25 mi2968-492839-442839-444709(Top 16%)4165(Top 25%)4165(Top 73%)
24M24.00 mi1.00 mi3025-572893-542893-545198(Top 18%)4470(Top 27%)4470(Top 78%)
40K24.85 mi0.85 mi3094-692947-542947-545787(Top 20%)4833(Top 30%)4833(Top 84%)
25.2M25.20 mi0.35 mi3120-262970-232970-235651(Top 19%)4667(Top 29%)4667(Top 82%)
FINISH26.22 mi1.02 mi3135-152980-102980-104479(Top 15%)3811(Top 23%)3811(Top 67%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
Γ—21
+97ft-345ft

Overall

2216

Males

2137

M18-39

2137

5K→10K

3.1 - 6.2 mi

Top 8%
Γ—5
+79ft-138ft

Overall

2383

Males

2297

M18-39

2297

10K→15K

6.2 - 9.3 mi

Top 8%
Γ—3
+67ft-78ft

Overall

2216

Males

2137

M18-39

2137

15K→20K

9.3 - 12.4 mi

Top 9%
Γ—5
+106ft-86ft

Overall

2553

Males

2459

M18-39

2459

20K→HALF

12.4 - 13.1 mi

Top 11%
Γ—2
+19ft-37ft

Overall

3124

Males

3004

M18-39

3004

HALF→25K

13.1 - 15.5 mi

Top 10%
Γ—4
+66ft-88ft

Overall

2923

Males

2807

M18-39

2807

25K→30K

15.5 - 18.6 mi

Top 12%
Γ—9
+181ft-148ft

Overall

3372

Males

3174

M18-39

3174

30K→20M

18.6 - 20.0 mi

Top 18%
Γ—5
+64ft-50ft

Overall

5111

Males

4562

M18-39

4562

20M→21M

20.0 - 21.0 mi

Top 19%
Γ—8
+106ft-24ft

Overall

5422

Males

4712

M18-39

4712

21M→35K

21.0 - 21.8 mi

Top 18%
Γ—7
+17ft-86ft

Overall

5250

Males

4614

M18-39

4614

35K→23M

21.8 - 23.0 mi

Top 16%
Γ—5
+23ft-63ft

Overall

4709

Males

4165

M18-39

4165

23M→24M

23.0 - 24.0 mi

Top 18%
Γ—6
+12ft-82ft

Overall

5198

Males

4470

M18-39

4470

24M→40K

24.0 - 24.9 mi

Top 20%
Γ—1
+6ft-20ft

Overall

5787

Males

4833

M18-39

4833

40K→25.2M

24.9 - 25.2 mi

Top 19%
Γ—1
+13ft-16ft

Overall

5651

Males

4667

M18-39

4667

25.2M→FINISH

25.2 - 26.2 mi

Top 15%
Γ—2
+22ft-21ft

Overall

4479

Males

3811

M18-39

3811

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
617
Passed By
1183
Net Change
-566
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#2569
5K β†’ 10K16656+110#2569#2459
10K β†’ 15K13922+117#2459#2342
15K β†’ 20K4173-32#2342#2374
20K β†’ HALF735-28#2374#2402
HALF β†’ 25K4399-56#2402#2458
25K β†’ 30K50188-138#2458#2596
30K β†’ 20M22179-157#2596#2753
20M β†’ 21M20120-100#2753#2853
21M β†’ 35K571-66#2853#2919
35K β†’ 23M4493-49#2919#2968
23M β†’ 24M2178-57#2968#3025
24M β†’ 40K2392-69#3025#3094
40K β†’ 25.2M733-26#3094#3120
25.2M β†’ FINISH2944-15#3120#3135
TOTALS6171183-566
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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