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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Kanji Tsuboi

Bib: 10173 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 20%
Gender (Male)
#0 / 16340
Top 32%
Masters (Masters Men)
#0 / 10617
Top 17%
Age Group (M45-49)
#0 / 2413
Top 23%
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
21:25
3.11 mi
Rank: #7675
Start → 5K
21:25 | 6:54/mi
10K
42:51
6.21 mi
Rank: #7789 (-114)
5K → 10K
21:26 | 6:54/mi
15K
1:04:13
9.32 mi
Rank: #7716 (+73)
10K → 15K
21:22 | 6:53/mi
20K
1:25:35
12.43 mi
Rank: #7487 (+229)
15K → 20K
21:22 | 6:53/mi
HALF
1:30:13
13.11 mi
Rank: #7450 (+37)
20K → HALF
4:38 | 6:48/mi
25K
1:46:56
15.53 mi
Rank: #7265 (+185)
HALF → 25K
16:43 | 6:54/mi
30K
2:08:37
18.64 mi
Rank: #6956 (+309)
25K → 30K
21:41 | 6:59/mi
20M
2:18:07
20.00 mi
Rank: #6799 (+157)
30K → 20M
9:30 | 7:00/mi
21M
2:25:21
21.00 mi
Rank: #6657 (+142)
20M → 21M
7:14 | 7:14/mi
35K
2:30:20
21.75 mi
Rank: #6548 (+109)
21M → 35K
4:59 | 6:40/mi
23M
2:38:49
23.00 mi
Rank: #6369 (+179)
35K → 23M
8:29 | 6:47/mi
24M
2:45:25
24.00 mi
Rank: #6243 (+126)
23M → 24M
6:36 | 6:36/mi
40K
2:51:09
24.85 mi
Rank: #6097 (+146)
24M → 40K
5:44 | 6:43/mi
25.2M
2:53:36
25.20 mi
Rank: #6017 (+80)
40K → 25.2M
2:27 | 7:07/mi
FINISH
2:59:49
26.22 mi
Rank: #5793 (+224)
25.2M → FINISH
6:13 | 6:07/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:30:13
Pace6:53 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:29:36
Pace6:51 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:38:3721:256:5421:25
6:54
-
10K
6.21 mi11:00:0342:516:5421:26
6:54
0:00
15K
9.32 mi11:21:251:04:136:5421:22
6:53
-0:01
20K
12.43 mi11:42:471:25:356:5421:22
6:53
0:00
HALF
13.11 mi11:47:251:30:136:534:38
6:48
-0:05
25K
15.53 mi12:04:081:46:566:5416:43
6:54
+0:06
30K
18.64 mi12:25:492:08:376:5421:41
6:59
+0:05
20M
20.00 mi12:35:192:18:076:559:30
7:00
+0:01
21M
21.00 mi12:42:332:25:216:567:14
7:14
+0:14
35K
21.75 mi12:47:322:30:206:554:59
6:40
-0:34
23M
23.00 mi12:56:012:38:496:558:29
6:47
+0:07
24M
24.00 mi13:02:372:45:256:546:36
6:36
-0:11
40K
24.85 mi13:08:212:51:096:545:44
6:43
+0:07
25.2M
25.20 mi13:10:482:53:366:542:27
7:07
+0:24
FINISH
26.22 mi13:17:012:59:496:526:13
6:07
-1:00

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

6:07 /mi

Average Pace

6:52 /mi

Slowest Pace

7:14 /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

23:32

13% of race

Time at Steady Pace

2:29:03

83% of race

Time at Slower Pace

7:14

4% of race

Average Pace: 6:51 /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 mi10:38:3721:256:5421:25
6:54
#7675
10K
6.21 mi11:00:0342:516:5421:26
6:54
#7789
15K
9.32 mi11:21:251:04:136:5421:22
6:53
#7716
20K
12.43 mi11:42:471:25:356:5421:22
6:53
#7487
HALF
13.11 mi11:47:251:30:136:534:38
6:48
#7450
25K
15.53 mi12:04:081:46:566:5416:43
6:54
#7265
30K
18.64 mi12:25:492:08:376:5421:41
6:59
#6956
20M
20.00 mi12:35:192:18:076:559:30
7:00
#6799
21M
21.00 mi12:42:332:25:216:567:14
7:14
#6657
35K
21.75 mi12:47:322:30:206:554:59
6:40
#6548
23M
23.00 mi12:56:012:38:496:558:29
6:47
#6369
24M
24.00 mi13:02:372:45:256:546:36
6:36
#6243
40K
24.85 mi13:08:212:51:096:545:44
6:43
#6097
25.2M
25.20 mi13:10:482:53:366:542:27
7:07
#6017
FINISH
26.22 mi13:17:012:59:496:526:13
6:07
#5793
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7675667866787576(Top 26%)6573(Top 40%)6573(Top 272%)
10K6.21 mi3.10 mi7789-1146749-716749-717889(Top 27%)6817(Top 42%)6817(Top 283%)
15K9.32 mi3.11 mi7716+736690+596690+597576(Top 26%)6573(Top 40%)6573(Top 272%)
20K12.43 mi3.11 mi7487+2296527+1636527+1636878(Top 24%)6058(Top 37%)6058(Top 251%)
HALF13.11 mi0.68 mi7450+376500+276500+277017(Top 24%)6166(Top 38%)6166(Top 256%)
25K15.53 mi2.42 mi7265+1856363+1376363+1376603(Top 23%)5807(Top 36%)5807(Top 241%)
30K18.64 mi3.11 mi6956+3096119+2446119+2445738(Top 20%)5110(Top 31%)5110(Top 212%)
20M20.00 mi1.36 mi6799+1575995+1245995+1245496(Top 19%)4881(Top 30%)4881(Top 202%)
21M21.00 mi1.00 mi6657+1425892+1035892+1034851(Top 17%)4282(Top 26%)4282(Top 177%)
35K21.75 mi0.75 mi6548+1095805+875805+874687(Top 16%)4181(Top 26%)4181(Top 173%)
23M23.00 mi1.25 mi6369+1795660+1455660+1453990(Top 14%)3592(Top 22%)3592(Top 149%)
24M24.00 mi1.00 mi6243+1265554+1065554+1063772(Top 13%)3400(Top 21%)3400(Top 141%)
40K24.85 mi0.85 mi6097+1465433+1215433+1213650(Top 13%)3262(Top 20%)3262(Top 135%)
25.2M25.20 mi0.35 mi6017+805368+655368+653174(Top 11%)2844(Top 17%)2844(Top 118%)
FINISH26.22 mi1.02 mi5793+2245182+1865182+1862076(Top 7%)1918(Top 12%)1918(Top 79%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21
+97ft-345ft

Overall

7576

Males

6573

M45-49

6573

5K→10K

3.1 - 6.2 mi

Top 27%
×5
+79ft-138ft

Overall

7889

Males

6817

M45-49

6817

10K→15K

6.2 - 9.3 mi

Top 26%
×3
+67ft-78ft

Overall

7576

Males

6573

M45-49

6573

15K→20K

9.3 - 12.4 mi

Top 24%
×5
+106ft-86ft

Overall

6878

Males

6058

M45-49

6058

20K→HALF

12.4 - 13.1 mi

Top 24%
×2
+19ft-37ft

Overall

7017

Males

6166

M45-49

6166

HALF→25K

13.1 - 15.5 mi

Top 23%
×4
+66ft-88ft

Overall

6603

Males

5807

M45-49

5807

25K→30K

15.5 - 18.6 mi

Top 20%
×9
+181ft-148ft

Overall

5738

Males

5110

M45-49

5110

30K→20M

18.6 - 20.0 mi

Top 19%
×5
+64ft-50ft

Overall

5496

Males

4881

M45-49

4881

20M→21M

20.0 - 21.0 mi

Top 17%
×8
+106ft-24ft

Overall

4851

Males

4282

M45-49

4282

21M→35K

21.0 - 21.8 mi

Top 16%
×7
+17ft-86ft

Overall

4687

Males

4181

M45-49

4181

35K→23M

21.8 - 23.0 mi

Top 14%
×5
+23ft-63ft

Overall

3990

Males

3592

M45-49

3592

23M→24M

23.0 - 24.0 mi

Top 13%
×6
+12ft-82ft

Overall

3772

Males

3400

M45-49

3400

24M→40K

24.0 - 24.9 mi

Top 13%
×1
+6ft-20ft

Overall

3650

Males

3262

M45-49

3262

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1
+13ft-16ft

Overall

3174

Males

2844

M45-49

2844

25.2M→FINISH

25.2 - 26.2 mi

Top 7%
×2
+22ft-21ft

Overall

2076

Males

1918

M45-49

1918

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2412*
Passed By
452
Net Change
+1882
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7675
5K → 10K164200-114#7675#7789
10K → 15K175102+73#7789#7716
15K → 20K268*39+229#7716#7487
20K → HALF5215+37#7487#7450
HALF → 25K214*29+185#7450#7265
25K → 30K331*22+309#7265#6956
30K → 20M16912+157#6956#6799
20M → 21M1519+142#6799#6657
21M → 35K1112+109#6657#6548
35K → 23M1856+179#6548#6369
23M → 24M1359+126#6369#6243
24M → 40K1504+146#6243#6097
40K → 25.2M833+80#6097#6017
25.2M → FINISH224*0+224#6017#5793
TOTALS2412*452+1882

* 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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