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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Tsukasa Kuyama

Bib: 352 •M •Age: N/A

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 0.7%
Gender (Male)
#0 / 16340
Top 1%
Age Group (M18-39)
#0 / 5723
Top 3%
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
17:10
3.11 mi
Rank: #260
Start → 5K
17:10 | 5:32/mi
10K
33:56
6.21 mi
Rank: #191 (+69)
5K → 10K
16:46 | 5:24/mi
15K
50:52
9.32 mi
Rank: #176 (+15)
10K → 15K
16:56 | 5:28/mi
20K
1:07:57
12.43 mi
Rank: #172 (+4)
15K → 20K
17:05 | 5:30/mi
HALF
1:11:38
13.11 mi
Rank: #168 (+4)
20K → HALF
3:41 | 5:25/mi
25K
1:24:55
15.53 mi
Rank: #163 (+5)
HALF → 25K
13:17 | 5:29/mi
30K
1:42:16
18.64 mi
Rank: #150 (+13)
25K → 30K
17:21 | 5:36/mi
20M
1:50:13
20.00 mi
Rank: #165 (-15)
30K → 20M
7:57 | 5:52/mi
21M
1:56:20
21.00 mi
Rank: #168 (-3)
20M → 21M
6:07 | 6:07/mi
35K
2:00:38
21.75 mi
Rank: #169 (-1)
21M → 35K
4:18 | 5:45/mi
23M
2:07:53
23.00 mi
Rank: #173 (-4)
35K → 23M
7:15 | 5:48/mi
24M
2:13:36
24.00 mi
Rank: #182 (-9)
23M → 24M
5:43 | 5:43/mi
40K
2:18:44
24.85 mi
Rank: #186 (-4)
24M → 40K
5:08 | 6:01/mi
25.2M
2:21:00
25.20 mi
Rank: #191 (-5)
40K → 25.2M
2:16 | 6:35/mi
FINISH
2:26:51
26.22 mi
Rank: #195 (-4)
25.2M → FINISH
5:51 | 5:45/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:11:38
Pace5:28 /mi
2nd Half
Distance13.11 mi
Time1:15:13
Pace5:45 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:2517:105:3217:10
5:32
-
10K
6.21 mi10:34:1133:565:2816:46
5:24
-0:08
15K
9.32 mi10:51:0750:525:2816:56
5:28
+0:04
20K
12.43 mi11:08:121:07:575:2917:05
5:30
+0:02
HALF
13.11 mi11:11:531:11:385:283:41
5:25
-0:05
25K
15.53 mi11:25:101:24:555:2813:17
5:29
+0:04
30K
18.64 mi11:42:311:42:165:3017:21
5:36
+0:07
20M
20.00 mi11:50:281:50:135:317:57
5:52
+0:16
21M
21.00 mi11:56:351:56:205:336:07
6:07
+0:15
35K
21.75 mi12:00:532:00:385:334:18
5:45
-0:22
23M
23.00 mi12:08:082:07:535:347:15
5:48
+0:03
24M
24.00 mi12:13:512:13:365:355:43
5:43
-0:05
40K
24.85 mi12:18:592:18:445:355:08
6:01
+0:18
25.2M
25.20 mi12:21:152:21:005:362:16
6:35
+0:34
FINISH
26.22 mi12:27:062:26:515:375:51
5:45
-0:50

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

5:24 /mi

Average Pace

5:36 /mi

Slowest Pace

6:35 /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

1:24:55

58% of race

Time at Steady Pace

48:25

33% of race

Time at Slower Pace

13:31

9% of race

Average Pace: 5:36 /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 mi10:17:2517:105:3217:10
5:32
#260
10K
6.21 mi10:34:1133:565:2816:46
5:24
#191
15K
9.32 mi10:51:0750:525:2816:56
5:28
#176
20K
12.43 mi11:08:121:07:575:2917:05
5:30
#172
HALF
13.11 mi11:11:531:11:385:283:41
5:25
#168
25K
15.53 mi11:25:101:24:555:2813:17
5:29
#163
30K
18.64 mi11:42:311:42:165:3017:21
5:36
#150
20M
20.00 mi11:50:281:50:135:317:57
5:52
#165
21M
21.00 mi11:56:351:56:205:336:07
6:07
#168
35K
21.75 mi12:00:532:00:385:334:18
5:45
#169
23M
23.00 mi12:08:082:07:535:347:15
5:48
#173
24M
24.00 mi12:13:512:13:365:355:43
5:43
#182
40K
24.85 mi12:18:592:18:445:355:08
6:01
#186
25.2M
25.20 mi12:21:152:21:005:362:16
6:35
#191
FINISH
26.22 mi12:27:062:26:515:375:51
5:45
#195
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 mi260238238149(Top 0.5%)148(Top 0.9%)148(Top 3%)
10K6.21 mi3.10 mi191+69172+66172+66130(Top 0.4%)130(Top 0.8%)130(Top 2%)
15K9.32 mi3.11 mi176+15157+15157+15149(Top 0.5%)148(Top 0.9%)148(Top 3%)
20K12.43 mi3.11 mi172+4154+3154+3167(Top 0.6%)150(Top 0.9%)150(Top 3%)
HALF13.11 mi0.68 mi168+4151+3151+3164(Top 0.6%)148(Top 0.9%)148(Top 3%)
25K15.53 mi2.42 mi163+5146+5146+5134(Top 0.5%)128(Top 0.8%)128(Top 2%)
30K18.64 mi3.11 mi150+13133+13133+13142(Top 0.5%)127(Top 0.8%)127(Top 2%)
20M20.00 mi1.36 mi165-15149-16149-16396(Top 1%)376(Top 2%)376(Top 7%)
21M21.00 mi1.00 mi168-3151-2151-2415(Top 1%)395(Top 2%)395(Top 7%)
35K21.75 mi0.75 mi169-1152-1152-1559(Top 2%)530(Top 3%)530(Top 9%)
23M23.00 mi1.25 mi173-4156-4156-4348(Top 1%)331(Top 2%)331(Top 6%)
24M24.00 mi1.00 mi182-9165-9165-9439(Top 2%)416(Top 3%)416(Top 7%)
40K24.85 mi0.85 mi186-4169-4169-4794(Top 3%)758(Top 5%)758(Top 13%)
25.2M25.20 mi0.35 mi191-5174-5174-51172(Top 4%)1103(Top 7%)1103(Top 19%)
FINISH26.22 mi1.02 mi195-4178-4178-4837(Top 3%)798(Top 5%)798(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.5%
×21
+97ft-345ft

Overall

149

Males

148

M18-39

148

5K→10K

3.1 - 6.2 mi

Top 0.4%
×5
+79ft-138ft

Overall

130

Males

130

M18-39

130

10K→15K

6.2 - 9.3 mi

Top 0.5%
×3
+67ft-78ft

Overall

149

Males

148

M18-39

148

15K→20K

9.3 - 12.4 mi

Top 0.6%
×5
+106ft-86ft

Overall

167

Males

150

M18-39

150

20K→HALF

12.4 - 13.1 mi

Top 0.6%
×2
+19ft-37ft

Overall

164

Males

148

M18-39

148

HALF→25K

13.1 - 15.5 mi

Top 0.5%
×4
+66ft-88ft

Overall

134

Males

128

M18-39

128

25K→30K

15.5 - 18.6 mi

Top 0.5%
×9
+181ft-148ft

Overall

142

Males

127

M18-39

127

30K→20M

18.6 - 20.0 mi

Top 1%
×5
+64ft-50ft

Overall

396

Males

376

M18-39

376

20M→21M

20.0 - 21.0 mi

Top 1%
×8
+106ft-24ft

Overall

415

Males

395

M18-39

395

21M→35K

21.0 - 21.8 mi

Top 2%
×7
+17ft-86ft

Overall

559

Males

530

M18-39

530

35K→23M

21.8 - 23.0 mi

Top 1%
×5
+23ft-63ft

Overall

348

Males

331

M18-39

331

23M→24M

23.0 - 24.0 mi

Top 2%
×6
+12ft-82ft

Overall

439

Males

416

M18-39

416

24M→40K

24.0 - 24.9 mi

Top 3%
×1
+6ft-20ft

Overall

794

Males

758

M18-39

758

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1
+13ft-16ft

Overall

1172

Males

1103

M18-39

1103

25.2M→FINISH

25.2 - 26.2 mi

Top 3%
×2
+22ft-21ft

Overall

837

Males

798

M18-39

798

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
131
Passed By
66
Net Change
+65
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#260
5K → 10K701+69#260#191
10K → 15K161+15#191#176
15K → 20K62+4#176#172
20K → HALF40+4#172#168
HALF → 25K72+5#168#163
25K → 30K141+13#163#150
30K → 20M318-15#150#165
20M → 21M03-3#165#168
21M → 35K34-1#168#169
35K → 23M26-4#169#173
23M → 24M09-9#173#182
24M → 40K37-4#182#186
40K → 25.2M05-5#186#191
25.2M → FINISH37-4#191#195
TOTALS13166+65
📊

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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