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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Ritsu Shibutani

Bib: 4812 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 24%
Gender (Male)
#0 / 16340
Top 37%
Age Group (M18-39)
#0 / 5723
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
20:58
3.11 mi
Rank: #6379
Start → 5K
20:58 | 6:45/mi
10K
41:55
6.21 mi
Rank: #6366 (+13)
5K → 10K
20:57 | 6:45/mi
15K
1:02:53
9.32 mi
Rank: #6309 (+57)
10K → 15K
20:58 | 6:45/mi
20K
1:23:54
12.43 mi
Rank: #6118 (+191)
15K → 20K
21:01 | 6:46/mi
HALF
1:28:25
13.11 mi
Rank: #6081 (+37)
20K → HALF
4:31 | 6:38/mi
25K
1:45:18
15.53 mi
Rank: #6281 (-200)
HALF → 25K
16:53 | 6:58/mi
30K
2:07:44
18.64 mi
Rank: #6533 (-252)
25K → 30K
22:26 | 7:14/mi
20M
2:17:51
20.00 mi
Rank: #6682 (-149)
30K → 20M
10:07 | 7:27/mi
21M
2:25:46
21.00 mi
Rank: #6817 (-135)
20M → 21M
7:55 | 7:55/mi
35K
2:31:02
21.75 mi
Rank: #6817
21M → 35K
5:16 | 7:03/mi
23M
2:40:04
23.00 mi
Rank: #6749 (+68)
35K → 23M
9:02 | 7:14/mi
24M
2:47:46
24.00 mi
Rank: #6875 (-126)
23M → 24M
7:42 | 7:42/mi
40K
2:54:56
24.85 mi
Rank: #7107 (-232)
24M → 40K
7:10 | 8:23/mi
25.2M
2:57:28
25.20 mi
Rank: #7043 (+64)
40K → 25.2M
2:32 | 7:21/mi
FINISH
3:04:31
26.22 mi
Rank: #6989 (+54)
25.2M → FINISH
7:03 | 6:56/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:28:25
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:36:06
Pace7:20 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1420:586:4520:58
6:45
-
10K
6.21 mi10:44:1141:556:4520:57
6:45
0:00
15K
9.32 mi11:05:091:02:536:4520:58
6:45
0:00
20K
12.43 mi11:26:101:23:546:4621:01
6:46
+0:01
HALF
13.11 mi11:30:411:28:256:454:31
6:38
-0:08
25K
15.53 mi11:47:341:45:186:4716:53
6:58
+0:20
30K
18.64 mi12:10:002:07:446:5222:26
7:14
+0:16
20M
20.00 mi12:20:072:17:516:5410:07
7:27
+0:13
21M
21.00 mi12:28:022:25:466:577:55
7:55
+0:28
35K
21.75 mi12:33:182:31:026:575:16
7:03
-0:52
23M
23.00 mi12:42:202:40:046:589:02
7:14
+0:11
24M
24.00 mi12:50:022:47:467:007:42
7:42
+0:28
40K
24.85 mi12:57:122:54:567:037:10
8:23
+0:41
25.2M
25.20 mi12:59:442:57:287:032:32
7:21
-1:02
FINISH
26.22 mi13:06:473:04:317:037:03
6:56
-0:25

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

6:38 /mi

Average Pace

7:03 /mi

Slowest Pace

8:23 /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

1:28:25

48% of race

Time at Steady Pace

1:00:40

33% of race

Time at Slower Pace

35:26

19% of race

Average Pace: 7:02 /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 mi10:23:1420:586:4520:58
6:45
#6379
10K
6.21 mi10:44:1141:556:4520:57
6:45
#6366
15K
9.32 mi11:05:091:02:536:4520:58
6:45
#6309
20K
12.43 mi11:26:101:23:546:4621:01
6:46
#6118
HALF
13.11 mi11:30:411:28:256:454:31
6:38
#6081
25K
15.53 mi11:47:341:45:186:4716:53
6:58
#6281
30K
18.64 mi12:10:002:07:446:5222:26
7:14
#6533
20M
20.00 mi12:20:072:17:516:5410:07
7:27
#6682
21M
21.00 mi12:28:022:25:466:577:55
7:55
#6817
35K
21.75 mi12:33:182:31:026:575:16
7:03
#6817
23M
23.00 mi12:42:202:40:046:589:02
7:14
#6749
24M
24.00 mi12:50:022:47:467:007:42
7:42
#6875
40K
24.85 mi12:57:122:54:567:037:10
8:23
#7107
25.2M
25.20 mi12:59:442:57:287:032:32
7:21
#7043
FINISH
26.22 mi13:06:473:04:317:037:03
6:56
#6989
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 mi6379577057706304(Top 22%)5664(Top 35%)5664(Top 99%)
10K6.21 mi3.10 mi6366+135742+285742+286403(Top 22%)5767(Top 35%)5767(Top 101%)
15K9.32 mi3.11 mi6309+575709+335709+336304(Top 22%)5664(Top 35%)5664(Top 99%)
20K12.43 mi3.11 mi6118+1915549+1605549+1605840(Top 20%)5292(Top 32%)5292(Top 92%)
HALF13.11 mi0.68 mi6081+375518+315518+315539(Top 19%)5070(Top 31%)5070(Top 89%)
25K15.53 mi2.42 mi6281-2005658-1405658-1407133(Top 25%)6203(Top 38%)6203(Top 108%)
30K18.64 mi3.11 mi6533-2525818-1605818-1607532(Top 26%)6326(Top 39%)6326(Top 111%)
20M20.00 mi1.36 mi6682-1495917-995917-998701(Top 30%)6875(Top 42%)6875(Top 120%)
21M21.00 mi1.00 mi6817-1356002-856002-859297(Top 32%)7089(Top 43%)7089(Top 124%)
35K21.75 mi0.75 mi68175990+125990+127373(Top 25%)6044(Top 37%)6044(Top 106%)
23M23.00 mi1.25 mi6749+685925+655925+656881(Top 24%)5677(Top 35%)5677(Top 99%)
24M24.00 mi1.00 mi6875-1266000-756000-7511494(Top 40%)8000(Top 49%)8000(Top 140%)
40K24.85 mi0.85 mi7107-2326133-1336133-13314910(Top 51%)9458(Top 58%)9458(Top 165%)
25.2M25.20 mi0.35 mi7043+646083+506083+504382(Top 15%)3775(Top 23%)3775(Top 66%)
FINISH26.22 mi1.02 mi6989+546026+576026+576913(Top 24%)5442(Top 33%)5442(Top 95%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21
+97ft-345ft

Overall

6304

Males

5664

M18-39

5664

5K→10K

3.1 - 6.2 mi

Top 22%
×5
+79ft-138ft

Overall

6403

Males

5767

M18-39

5767

10K→15K

6.2 - 9.3 mi

Top 22%
×3
+67ft-78ft

Overall

6304

Males

5664

M18-39

5664

15K→20K

9.3 - 12.4 mi

Top 20%
×5
+106ft-86ft

Overall

5840

Males

5292

M18-39

5292

20K→HALF

12.4 - 13.1 mi

Top 19%
×2
+19ft-37ft

Overall

5539

Males

5070

M18-39

5070

HALF→25K

13.1 - 15.5 mi

Top 25%
×4
+66ft-88ft

Overall

7133

Males

6203

M18-39

6203

25K→30K

15.5 - 18.6 mi

Top 26%
×9
+181ft-148ft

Overall

7532

Males

6326

M18-39

6326

30K→20M

18.6 - 20.0 mi

Top 30%
×5
+64ft-50ft

Overall

8701

Males

6875

M18-39

6875

20M→21M

20.0 - 21.0 mi

Top 32%
×8
+106ft-24ft

Overall

9297

Males

7089

M18-39

7089

21M→35K

21.0 - 21.8 mi

Top 25%
×7
+17ft-86ft

Overall

7373

Males

6044

M18-39

6044

35K→23M

21.8 - 23.0 mi

Top 24%
×5
+23ft-63ft

Overall

6881

Males

5677

M18-39

5677

23M→24M

23.0 - 24.0 mi

Top 40%
×6
+12ft-82ft

Overall

11494

Males

8000

M18-39

8000

24M→40K

24.0 - 24.9 mi

Top 51%
×1
+6ft-20ft

Overall

14910

Males

9458

M18-39

9458

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1
+13ft-16ft

Overall

4382

Males

3775

M18-39

3775

25.2M→FINISH

25.2 - 26.2 mi

Top 24%
×2
+22ft-21ft

Overall

6913

Males

5442

M18-39

5442

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1226*
Passed By
1591
Net Change
-610
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6379
5K → 10K203*190+13#6379#6366
10K → 15K167110+57#6366#6309
15K → 20K241*50+191#6309#6118
20K → HALF458+37#6118#6081
HALF → 25K53200-200#6081#6281
25K → 30K89200-252#6281#6533
30K → 20M42191-149#6533#6682
20M → 21M24159-135#6682#6817
21M → 35K46460#6817#6817
35K → 23M11345+68#6817#6749
23M → 24M28154-126#6749#6875
24M → 40K19200-232#6875#7107
40K → 25.2M673+64#7107#7043
25.2M → FINISH8935+54#7043#6989
TOTALS1226*1591-610

* 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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