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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Kohichiro Yamanaka

Bib: 408 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 2%
Gender (Male)
#0 / 16340
Top 4%
Masters (Masters Men)
#0 / 10617
Top 0.5%
Age Group (M40-44)
#0 / 2198
Top 2%
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
17:08
3.11 mi
Rank: #253
Start → 5K
17:08 | 5:31/mi
10K
34:34
6.21 mi
Rank: #285 (-32)
5K → 10K
17:26 | 5:37/mi
15K
51:53
9.32 mi
Rank: #278 (+7)
10K → 15K
17:19 | 5:35/mi
20K
1:09:19
12.43 mi
Rank: #271 (+7)
15K → 20K
17:26 | 5:37/mi
HALF
1:13:07
13.11 mi
Rank: #275 (-4)
20K → HALF
3:48 | 5:35/mi
25K
1:26:55
15.53 mi
Rank: #279 (-4)
HALF → 25K
13:48 | 5:42/mi
30K
1:45:53
18.64 mi
Rank: #337 (-58)
25K → 30K
18:58 | 6:07/mi
20M
1:54:22
20.00 mi
Rank: #387 (-50)
30K → 20M
8:29 | 6:15/mi
21M
2:01:07
21.00 mi
Rank: #418 (-31)
20M → 21M
6:45 | 6:45/mi
35K
2:05:44
21.75 mi
Rank: #440 (-22)
21M → 35K
4:37 | 6:11/mi
23M
2:13:53
23.00 mi
Rank: #478 (-38)
35K → 23M
8:09 | 6:31/mi
24M
2:20:14
24.00 mi
Rank: #521 (-43)
23M → 24M
6:21 | 6:21/mi
40K
2:25:53
24.85 mi
Rank: #551 (-30)
24M → 40K
5:39 | 6:37/mi
25.2M
2:28:27
25.20 mi
Rank: #576 (-25)
40K → 25.2M
2:34 | 7:27/mi
FINISH
2:35:25
26.22 mi
Rank: #663 (-87)
25.2M → FINISH
6:58 | 6:51/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:13:07
Pace5:35 /mi
2nd Half
Distance13.11 mi
Time1:22:18
Pace6:17 /mi
📊Positive Split: 12.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:1317:085:3117:08
5:31
-
10K
6.21 mi10:34:3934:345:3417:26
5:37
+0:06
15K
9.32 mi10:51:5851:535:3417:19
5:35
-0:02
20K
12.43 mi11:09:241:09:195:3517:26
5:37
+0:02
HALF
13.11 mi11:13:121:13:075:353:48
5:35
-0:02
25K
15.53 mi11:27:001:26:555:3613:48
5:42
+0:07
30K
18.64 mi11:45:581:45:535:4118:58
6:07
+0:25
20M
20.00 mi11:54:271:54:225:448:29
6:15
+0:08
21M
21.00 mi12:01:122:01:075:476:45
6:45
+0:30
35K
21.75 mi12:05:492:05:445:474:37
6:11
-0:34
23M
23.00 mi12:13:582:13:535:508:09
6:31
+0:20
24M
24.00 mi12:20:192:20:145:516:21
6:21
-0:10
40K
24.85 mi12:25:582:25:535:535:39
6:37
+0:16
25.2M
25.20 mi12:28:322:28:275:542:34
7:27
+0:50
FINISH
26.22 mi12:35:302:35:255:566:58
6:51
-0:36

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

5:31 /mi

Average Pace

5:56 /mi

Slowest Pace

7:27 /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

1:26:55

56% of race

Time at Steady Pace

38:25

25% of race

Time at Slower Pace

30:05

19% of race

Average Pace: 5:56 /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 mi10:17:1317:085:3117:08
5:31
#253
10K
6.21 mi10:34:3934:345:3417:26
5:37
#285
15K
9.32 mi10:51:5851:535:3417:19
5:35
#278
20K
12.43 mi11:09:241:09:195:3517:26
5:37
#271
HALF
13.11 mi11:13:121:13:075:353:48
5:35
#275
25K
15.53 mi11:27:001:26:555:3613:48
5:42
#279
30K
18.64 mi11:45:581:45:535:4118:58
6:07
#337
20M
20.00 mi11:54:271:54:225:448:29
6:15
#387
21M
21.00 mi12:01:122:01:075:476:45
6:45
#418
35K
21.75 mi12:05:492:05:445:474:37
6:11
#440
23M
23.00 mi12:13:582:13:535:508:09
6:31
#478
24M
24.00 mi12:20:192:20:145:516:21
6:21
#521
40K
24.85 mi12:25:582:25:535:535:39
6:37
#551
25.2M
25.20 mi12:28:322:28:275:542:34
7:27
#576
FINISH
26.22 mi12:35:302:35:255:566:58
6:51
#663
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi253231231269(Top 0.9%)249(Top 2%)249(Top 11%)
10K6.21 mi3.10 mi285-32263-32263-32350(Top 1%)327(Top 2%)327(Top 15%)
15K9.32 mi3.11 mi278+7256+7256+7269(Top 0.9%)249(Top 2%)249(Top 11%)
20K12.43 mi3.11 mi271+7250+6250+6269(Top 0.9%)250(Top 2%)250(Top 11%)
HALF13.11 mi0.68 mi275-4254-4254-4347(Top 1%)327(Top 2%)327(Top 15%)
25K15.53 mi2.42 mi279-4259-5259-5358(Top 1%)337(Top 2%)337(Top 15%)
30K18.64 mi3.11 mi337-58316-57316-57978(Top 3%)939(Top 6%)939(Top 43%)
20M20.00 mi1.36 mi387-50366-50366-501354(Top 5%)1300(Top 8%)1300(Top 59%)
21M21.00 mi1.00 mi418-31397-31397-312271(Top 8%)2149(Top 13%)2149(Top 98%)
35K21.75 mi0.75 mi440-22418-21418-211927(Top 7%)1837(Top 11%)1837(Top 84%)
23M23.00 mi1.25 mi478-38456-38456-382506(Top 9%)2348(Top 14%)2348(Top 107%)
24M24.00 mi1.00 mi521-43497-41497-412461(Top 8%)2285(Top 14%)2285(Top 104%)
40K24.85 mi0.85 mi551-30526-29526-293140(Top 11%)2834(Top 17%)2834(Top 129%)
25.2M25.20 mi0.35 mi576-25550-24550-245054(Top 17%)4219(Top 26%)4219(Top 192%)
FINISH26.22 mi1.02 mi663-87633-83633-836430(Top 22%)5127(Top 31%)5127(Top 233%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.9%
×21
+97ft-345ft

Overall

269

Males

249

M40-44

249

5K→10K

3.1 - 6.2 mi

Top 1%
×5
+79ft-138ft

Overall

350

Males

327

M40-44

327

10K→15K

6.2 - 9.3 mi

Top 0.9%
×3
+67ft-78ft

Overall

269

Males

249

M40-44

249

15K→20K

9.3 - 12.4 mi

Top 0.9%
×5
+106ft-86ft

Overall

269

Males

250

M40-44

250

20K→HALF

12.4 - 13.1 mi

Top 1%
×2
+19ft-37ft

Overall

347

Males

327

M40-44

327

HALF→25K

13.1 - 15.5 mi

Top 1%
×4
+66ft-88ft

Overall

358

Males

337

M40-44

337

25K→30K

15.5 - 18.6 mi

Top 3%
×9
+181ft-148ft

Overall

978

Males

939

M40-44

939

30K→20M

18.6 - 20.0 mi

Top 5%
×5
+64ft-50ft

Overall

1354

Males

1300

M40-44

1300

20M→21M

20.0 - 21.0 mi

Top 8%
×8
+106ft-24ft

Overall

2271

Males

2149

M40-44

2149

21M→35K

21.0 - 21.8 mi

Top 7%
×7
+17ft-86ft

Overall

1927

Males

1837

M40-44

1837

35K→23M

21.8 - 23.0 mi

Top 9%
×5
+23ft-63ft

Overall

2506

Males

2348

M40-44

2348

23M→24M

23.0 - 24.0 mi

Top 8%
×6
+12ft-82ft

Overall

2461

Males

2285

M40-44

2285

24M→40K

24.0 - 24.9 mi

Top 11%
×1
+6ft-20ft

Overall

3140

Males

2834

M40-44

2834

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1
+13ft-16ft

Overall

5054

Males

4219

M40-44

4219

25.2M→FINISH

25.2 - 26.2 mi

Top 22%
×2
+22ft-21ft

Overall

6430

Males

5127

M40-44

5127

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
63
Passed By
473
Net Change
-410
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#253
5K → 10K638-32#253#285
10K → 15K125+7#285#278
15K → 20K1811+7#278#271
20K → HALF15-4#271#275
HALF → 25K711-4#275#279
25K → 30K159-58#279#337
30K → 20M353-50#337#387
20M → 21M536-31#387#418
21M → 35K022-22#418#440
35K → 23M341-38#440#478
23M → 24M144-43#478#521
24M → 40K434-30#521#551
40K → 25.2M126-25#551#576
25.2M → FINISH188-87#576#663
TOTALS63473-410
📊

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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