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BOSTON MARATHON 2026

Tsuyoshi Yamaichi

Bib: 5073β€’M

TX

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Overall
#0 / 29021
Top 9%
Gender (Male)
#0 / 16340
Top 15%
Age Group (M18-39)
#0 / 5723
Top 34%
Race Day Weather
51Β°/41Β°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
19:47
3.11 mi
Rank: #3186
Start β†’ 5K
19:47 | 6:23/mi
10K
39:30
6.21 mi
Rank: #3143 (+43)
5K β†’ 10K
19:43 | 6:21/mi
15K
59:08
9.32 mi
Rank: #3077 (+66)
10K β†’ 15K
19:38 | 6:20/mi
20K
1:18:55
12.43 mi
Rank: #3028 (+49)
15K β†’ 20K
19:47 | 6:23/mi
HALF
1:23:15
13.11 mi
Rank: #3055 (-27)
20K β†’ HALF
4:20 | 6:22/mi
25K
1:38:49
15.53 mi
Rank: #3009 (+46)
HALF β†’ 25K
15:34 | 6:26/mi
30K
1:58:54
18.64 mi
Rank: #2876 (+133)
25K β†’ 30K
20:05 | 6:28/mi
20M
2:07:39
20.00 mi
Rank: #2793 (+83)
30K β†’ 20M
8:45 | 6:27/mi
21M
2:14:26
21.00 mi
Rank: #2738 (+55)
20M β†’ 21M
6:47 | 6:47/mi
35K
2:19:13
21.75 mi
Rank: #2725 (+13)
21M β†’ 35K
4:47 | 6:24/mi
23M
2:27:19
23.00 mi
Rank: #2670 (+55)
35K β†’ 23M
8:06 | 6:29/mi
24M
2:33:39
24.00 mi
Rank: #2618 (+52)
23M β†’ 24M
6:20 | 6:20/mi
40K
2:39:06
24.85 mi
Rank: #2547 (+71)
24M β†’ 40K
5:27 | 6:23/mi
25.2M
2:41:25
25.20 mi
Rank: #2521 (+26)
40K β†’ 25.2M
2:19 | 6:44/mi
FINISH
2:47:40
26.22 mi
Rank: #2475 (+46)
25.2M β†’ FINISH
6:15 | 6:08/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:23:15
Pace6:22 /mi
2nd Half
Distance13.11 mi
Time1:24:25
Pace6:27 /mi
πŸ“ŠPositive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5319:476:2319:47
6:23
-
10K
6.21 mi10:41:3639:306:2219:43
6:21
-0:02
15K
9.32 mi11:01:1459:086:2119:38
6:20
-0:01
20K
12.43 mi11:21:011:18:556:2219:47
6:23
+0:03
HALF
13.11 mi11:25:211:23:156:224:20
6:22
-0:01
25K
15.53 mi11:40:551:38:496:2215:34
6:26
+0:04
30K
18.64 mi12:01:001:58:546:2320:05
6:28
+0:02
20M
20.00 mi12:09:452:07:396:238:45
6:27
-0:01
21M
21.00 mi12:16:322:14:266:256:47
6:47
+0:20
35K
21.75 mi12:21:192:19:136:254:47
6:24
-0:23
23M
23.00 mi12:29:252:27:196:258:06
6:29
+0:05
24M
24.00 mi12:35:452:33:396:256:20
6:20
-0:09
40K
24.85 mi12:41:122:39:066:255:27
6:23
+0:03
25.2M
25.20 mi12:43:312:41:256:252:19
6:44
+0:21
FINISH
26.22 mi12:49:462:47:406:246:15
6:08
-0:36

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

6:08 /mi

Average Pace

6:24 /mi

Slowest Pace

6:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

2:40:53

96% of race

Time at Steady Pace

6:47

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:24 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi10:21:5319:476:2319:47
6:23
#3186
10K
6.21 mi10:41:3639:306:2219:43
6:21
#3143
15K
9.32 mi11:01:1459:086:2119:38
6:20
#3077
20K
12.43 mi11:21:011:18:556:2219:47
6:23
#3028
HALF
13.11 mi11:25:211:23:156:224:20
6:22
#3055
25K
15.53 mi11:40:551:38:496:2215:34
6:26
#3009
30K
18.64 mi12:01:001:58:546:2320:05
6:28
#2876
20M
20.00 mi12:09:452:07:396:238:45
6:27
#2793
21M
21.00 mi12:16:322:14:266:256:47
6:47
#2738
35K
21.75 mi12:21:192:19:136:254:47
6:24
#2725
23M
23.00 mi12:29:252:27:196:258:06
6:29
#2670
24M
24.00 mi12:35:452:33:396:256:20
6:20
#2618
40K
24.85 mi12:41:122:39:066:255:27
6:23
#2547
25.2M
25.20 mi12:43:312:41:256:252:19
6:44
#2521
FINISH
26.22 mi12:49:462:47:406:246:15
6:08
#2475
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 mi3186304530452984(Top 10%)2857(Top 17%)2857(Top 50%)
10K6.21 mi3.10 mi3143+433009+363009+363147(Top 11%)3017(Top 18%)3017(Top 53%)
15K9.32 mi3.11 mi3077+662953+562953+562984(Top 10%)2857(Top 17%)2857(Top 50%)
20K12.43 mi3.11 mi3028+492904+492904+492969(Top 10%)2853(Top 17%)2853(Top 50%)
HALF13.11 mi0.68 mi3055-272929-252929-253362(Top 12%)3218(Top 20%)3218(Top 56%)
25K15.53 mi2.42 mi3009+462885+442885+442992(Top 10%)2870(Top 18%)2870(Top 50%)
30K18.64 mi3.11 mi2876+1332762+1232762+1232392(Top 8%)2292(Top 14%)2292(Top 40%)
20M20.00 mi1.36 mi2793+832681+812681+812141(Top 7%)2041(Top 12%)2041(Top 36%)
21M21.00 mi1.00 mi2738+552628+532628+532370(Top 8%)2243(Top 14%)2243(Top 39%)
35K21.75 mi0.75 mi2725+132615+132615+132943(Top 10%)2741(Top 17%)2741(Top 48%)
23M23.00 mi1.25 mi2670+552564+512564+512283(Top 8%)2149(Top 13%)2149(Top 38%)
24M24.00 mi1.00 mi2618+522514+502514+502335(Top 8%)2178(Top 13%)2178(Top 38%)
40K24.85 mi0.85 mi2547+712444+702444+702031(Top 7%)1899(Top 12%)1899(Top 33%)
25.2M25.20 mi0.35 mi2521+262418+262418+261589(Top 5%)1495(Top 9%)1495(Top 26%)
FINISH26.22 mi1.02 mi2475+462374+442374+442189(Top 8%)2013(Top 12%)2013(Top 35%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
Γ—21
+97ft-345ft

Overall

2984

Males

2857

M18-39

2857

5K→10K

3.1 - 6.2 mi

Top 11%
Γ—5
+79ft-138ft

Overall

3147

Males

3017

M18-39

3017

10K→15K

6.2 - 9.3 mi

Top 10%
Γ—3
+67ft-78ft

Overall

2984

Males

2857

M18-39

2857

15K→20K

9.3 - 12.4 mi

Top 10%
Γ—5
+106ft-86ft

Overall

2969

Males

2853

M18-39

2853

20K→HALF

12.4 - 13.1 mi

Top 12%
Γ—2
+19ft-37ft

Overall

3362

Males

3218

M18-39

3218

HALF→25K

13.1 - 15.5 mi

Top 10%
Γ—4
+66ft-88ft

Overall

2992

Males

2870

M18-39

2870

25K→30K

15.5 - 18.6 mi

Top 8%
Γ—9
+181ft-148ft

Overall

2392

Males

2292

M18-39

2292

30K→20M

18.6 - 20.0 mi

Top 7%
Γ—5
+64ft-50ft

Overall

2141

Males

2041

M18-39

2041

20M→21M

20.0 - 21.0 mi

Top 8%
Γ—8
+106ft-24ft

Overall

2370

Males

2243

M18-39

2243

21M→35K

21.0 - 21.8 mi

Top 10%
Γ—7
+17ft-86ft

Overall

2943

Males

2741

M18-39

2741

35K→23M

21.8 - 23.0 mi

Top 8%
Γ—5
+23ft-63ft

Overall

2283

Males

2149

M18-39

2149

23M→24M

23.0 - 24.0 mi

Top 8%
Γ—6
+12ft-82ft

Overall

2335

Males

2178

M18-39

2178

24M→40K

24.0 - 24.9 mi

Top 7%
Γ—1
+6ft-20ft

Overall

2031

Males

1899

M18-39

1899

40K→25.2M

24.9 - 25.2 mi

Top 5%
Γ—1
+13ft-16ft

Overall

1589

Males

1495

M18-39

1495

25.2M→FINISH

25.2 - 26.2 mi

Top 8%
Γ—2
+22ft-21ft

Overall

2189

Males

2013

M18-39

2013

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1111
Passed By
400
Net Change
+711
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#3186
5K β†’ 10K150107+43#3186#3143
10K β†’ 15K12054+66#3143#3077
15K β†’ 20K9647+49#3077#3028
20K β†’ HALF532-27#3028#3055
HALF β†’ 25K9347+46#3055#3009
25K β†’ 30K16128+133#3009#2876
30K β†’ 20M907+83#2876#2793
20M β†’ 21M7015+55#2793#2738
21M β†’ 35K3421+13#2738#2725
35K β†’ 23M649+55#2725#2670
23M β†’ 24M6311+52#2670#2618
24M β†’ 40K787+71#2618#2547
40K β†’ 25.2M282+26#2547#2521
25.2M β†’ FINISH5913+46#2521#2475
TOTALS1111400+711
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing