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BOSTON MARATHON 2026

Yasuo Shimizu

Bib: 22512•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M60-64)
#0 / 1514
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
26:09
3.11 mi
Rank: #19611
Start → 5K
26:09 | 8:26/mi
10K
52:32
6.21 mi
Rank: #19906 (-295)
5K → 10K
26:23 | 8:30/mi
15K
1:19:39
9.32 mi
Rank: #20380 (-474)
10K → 15K
27:07 | 8:44/mi
20K
1:48:37
12.43 mi
Rank: #21244 (-864)
15K → 20K
28:58 | 9:20/mi
HALF
1:55:09
13.11 mi
Rank: #21477 (-233)
20K → HALF
6:32 | 9:36/mi
25K
2:19:32
15.53 mi
Rank: #22174 (-697)
HALF → 25K
24:23 | 10:04/mi
30K
2:51:54
18.64 mi
Rank: #22729 (-555)
25K → 30K
32:22 | 10:26/mi
20M
3:06:35
20.00 mi
Rank: #22885 (-156)
30K → 20M
14:41 | 10:49/mi
21M
3:19:14
21.00 mi
Rank: #23138 (-253)
20M → 21M
12:39 | 12:39/mi
35K
3:27:30
21.75 mi
Rank: #23238 (-100)
21M → 35K
8:16 | 11:03/mi
23M
3:41:53
23.00 mi
Rank: #23398 (-160)
35K → 23M
14:23 | 11:30/mi
24M
3:53:13
24.00 mi
Rank: #23529 (-131)
23M → 24M
11:20 | 11:20/mi
40K
4:03:02
24.85 mi
Rank: #23591 (-62)
24M → 40K
9:49 | 11:29/mi
25.2M
4:08:15
25.20 mi
Rank: #23751 (-160)
40K → 25.2M
5:13 | 15:08/mi
FINISH
4:19:32
26.22 mi
Rank: #23862 (-111)
25.2M → FINISH
11:17 | 11:05/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:55:09
Pace8:48 /mi
2nd Half
Distance13.11 mi
Time2:24:23
Pace11:01 /mi
📊Positive Split: 25.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:3326:098:2626:09
8:26
-
10K
6.21 mi11:53:5652:328:2826:23
8:30
+0:04
15K
9.32 mi12:21:031:19:398:3327:07
8:44
+0:14
20K
12.43 mi12:50:011:48:378:4528:58
9:20
+0:36
HALF
13.11 mi12:56:331:55:098:486:32
9:36
+0:16
25K
15.53 mi13:20:562:19:328:5924:23
10:04
+0:28
30K
18.64 mi13:53:182:51:549:1432:22
10:26
+0:22
20M
20.00 mi14:07:593:06:359:2014:41
10:49
+0:23
21M
21.00 mi14:20:383:19:149:3012:39
12:39
+1:50
35K
21.75 mi14:28:543:27:309:338:16
11:03
-1:36
23M
23.00 mi14:43:173:41:539:3914:23
11:30
+0:27
24M
24.00 mi14:54:373:53:139:4411:20
11:20
-0:10
40K
24.85 mi15:04:264:03:029:479:49
11:29
+0:09
25.2M
25.20 mi15:09:394:08:159:525:13
15:08
+3:39
FINISH
26.22 mi15:20:564:19:329:5511:17
11:05
-4:03

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

8:26 /mi

Average Pace

9:54 /mi

Slowest Pace

15:08 /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

1:55:09

44% of race

Time at Steady Pace

2:06:31

49% of race

Time at Slower Pace

17:52

7% of race

Average Pace: 9:54 /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 mi11:27:3326:098:2626:09
8:26
#19611
10K
6.21 mi11:53:5652:328:2826:23
8:30
#19906
15K
9.32 mi12:21:031:19:398:3327:07
8:44
#20380
20K
12.43 mi12:50:011:48:378:4528:58
9:20
#21244
HALF
13.11 mi12:56:331:55:098:486:32
9:36
#21477
25K
15.53 mi13:20:562:19:328:5924:23
10:04
#22174
30K
18.64 mi13:53:182:51:549:1432:22
10:26
#22729
20M
20.00 mi14:07:593:06:359:2014:41
10:49
#22885
21M
21.00 mi14:20:383:19:149:3012:39
12:39
#23138
35K
21.75 mi14:28:543:27:309:338:16
11:03
#23238
23M
23.00 mi14:43:173:41:539:3914:23
11:30
#23398
24M
24.00 mi14:54:373:53:139:4411:20
11:20
#23529
40K
24.85 mi15:04:264:03:029:479:49
11:29
#23591
25.2M
25.20 mi15:09:394:08:159:525:13
15:08
#23751
FINISH
26.22 mi15:20:564:19:329:5511:17
11:05
#23862
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi19611121091210921360(Top 74%)12960(Top 79%)12960(Top 856%)
10K6.21 mi3.10 mi19906-29512258-14912258-14920297(Top 70%)12462(Top 76%)12462(Top 823%)
15K9.32 mi3.11 mi20380-47412487-22912487-22921360(Top 74%)12960(Top 79%)12960(Top 856%)
20K12.43 mi3.11 mi21244-86412863-37612863-37623198(Top 80%)13822(Top 85%)13822(Top 913%)
HALF13.11 mi0.68 mi21477-23312980-11712980-11724580(Top 85%)14491(Top 89%)14491(Top 957%)
25K15.53 mi2.42 mi22174-69713335-35513335-35524437(Top 84%)14400(Top 88%)14400(Top 951%)
30K18.64 mi3.11 mi22729-55513575-24013575-24024134(Top 83%)14136(Top 87%)14136(Top 934%)
20M20.00 mi1.36 mi22885-15613633-5813633-5824523(Top 85%)14229(Top 87%)14229(Top 940%)
21M21.00 mi1.00 mi23138-25313734-10113734-10125968(Top 89%)14867(Top 91%)14867(Top 982%)
35K21.75 mi0.75 mi23238-10013768-3413768-3425336(Top 87%)14548(Top 89%)14548(Top 961%)
23M23.00 mi1.25 mi23398-16013850-8213850-8225417(Top 88%)14542(Top 89%)14542(Top 961%)
24M24.00 mi1.00 mi23529-13113904-5413904-5425677(Top 88%)14638(Top 90%)14638(Top 967%)
40K24.85 mi0.85 mi23591-6213927-2313927-2325066(Top 86%)14309(Top 88%)14309(Top 945%)
25.2M25.20 mi0.35 mi23751-16013996-6913996-6927993(Top 96%)15766(Top 96%)15766(Top 1041%)
FINISH26.22 mi1.02 mi23862-11114030-3414030-3426225(Top 90%)14873(Top 91%)14873(Top 982%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21
+97ft-345ft

Overall

21360

Males

12960

M60-64

12960

5K→10K

3.1 - 6.2 mi

Top 70%
×5
+79ft-138ft

Overall

20297

Males

12462

M60-64

12462

10K→15K

6.2 - 9.3 mi

Top 74%
×3
+67ft-78ft

Overall

21360

Males

12960

M60-64

12960

15K→20K

9.3 - 12.4 mi

Top 80%
×5
+106ft-86ft

Overall

23198

Males

13822

M60-64

13822

20K→HALF

12.4 - 13.1 mi

Top 85%
×2
+19ft-37ft

Overall

24580

Males

14491

M60-64

14491

HALF→25K

13.1 - 15.5 mi

Top 84%
×4
+66ft-88ft

Overall

24437

Males

14400

M60-64

14400

25K→30K

15.5 - 18.6 mi

Top 83%
×9
+181ft-148ft

Overall

24134

Males

14136

M60-64

14136

30K→20M

18.6 - 20.0 mi

Top 85%
×5
+64ft-50ft

Overall

24523

Males

14229

M60-64

14229

20M→21M

20.0 - 21.0 mi

Top 89%
×8
+106ft-24ft

Overall

25968

Males

14867

M60-64

14867

21M→35K

21.0 - 21.8 mi

Top 87%
×7
+17ft-86ft

Overall

25336

Males

14548

M60-64

14548

35K→23M

21.8 - 23.0 mi

Top 88%
×5
+23ft-63ft

Overall

25417

Males

14542

M60-64

14542

23M→24M

23.0 - 24.0 mi

Top 88%
×6
+12ft-82ft

Overall

25677

Males

14638

M60-64

14638

24M→40K

24.0 - 24.9 mi

Top 86%
×1
+6ft-20ft

Overall

25066

Males

14309

M60-64

14309

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1
+13ft-16ft

Overall

27993

Males

15766

M60-64

15766

25.2M→FINISH

25.2 - 26.2 mi

Top 90%
×2
+22ft-21ft

Overall

26225

Males

14873

M60-64

14873

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
508
Passed By
2434
Net Change
-4251
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19611
5K → 10K150200-295#19611#19906
10K → 15K65200-474#19906#20380
15K → 20K29200-864#20380#21244
20K → HALF7200-233#21244#21477
HALF → 25K20200-697#21477#22174
25K → 30K61200-555#22174#22729
30K → 20M31187-156#22729#22885
20M → 21M22200-253#22885#23138
21M → 35K19119-100#23138#23238
35K → 23M22182-160#23238#23398
23M → 24M22153-131#23398#23529
24M → 40K3597-62#23529#23591
40K → 25.2M0160-160#23591#23751
25.2M → FINISH25136-111#23751#23862
TOTALS5082434-4251
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing