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BOSTON MARATHON 2026

James Matsushino

Bib: 10713•M

AZ

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 44%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 46%
Age Group (M45-49)
#0 / 2413
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
23:46
3.11 mi
Rank: #14086
Start → 5K
23:46 | 7:39/mi
10K
47:27
6.21 mi
Rank: #14049 (+37)
5K → 10K
23:41 | 7:38/mi
15K
1:10:51
9.32 mi
Rank: #13685 (+364)
10K → 15K
23:24 | 7:32/mi
20K
1:34:29
12.43 mi
Rank: #13458 (+227)
15K → 20K
23:38 | 7:37/mi
HALF
1:39:31
13.11 mi
Rank: #13378 (+80)
20K → HALF
5:02 | 7:24/mi
25K
1:57:47
15.53 mi
Rank: #13106 (+272)
HALF → 25K
18:16 | 7:32/mi
30K
2:22:16
18.64 mi
Rank: #12970 (+136)
25K → 30K
24:29 | 7:53/mi
20M
2:33:08
20.00 mi
Rank: #12926 (+44)
30K → 20M
10:52 | 8:01/mi
21M
2:41:32
21.00 mi
Rank: #12886 (+40)
20M → 21M
8:24 | 8:24/mi
35K
2:47:16
21.75 mi
Rank: #12842 (+44)
21M → 35K
5:44 | 7:40/mi
23M
2:57:11
23.00 mi
Rank: #12767 (+75)
35K → 23M
9:55 | 7:56/mi
24M
3:05:06
24.00 mi
Rank: #12764 (+3)
23M → 24M
7:55 | 7:55/mi
40K
3:11:54
24.85 mi
Rank: #12710 (+54)
24M → 40K
6:48 | 7:58/mi
25.2M
3:14:50
25.20 mi
Rank: #12683 (+27)
40K → 25.2M
2:56 | 8:31/mi
FINISH
3:22:32
26.22 mi
Rank: #12629 (+54)
25.2M → FINISH
7:42 | 7:34/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:39:31
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time1:43:01
Pace7:52 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:41:2223:467:3923:46
7:39
-
10K
6.21 mi11:05:0347:277:3923:41
7:38
-0:01
15K
9.32 mi11:28:271:10:517:3723:24
7:32
-0:06
20K
12.43 mi11:52:051:34:297:3723:38
7:37
+0:05
HALF
13.11 mi11:57:071:39:317:365:02
7:24
-0:13
25K
15.53 mi12:15:231:57:477:3518:16
7:32
+0:08
30K
18.64 mi12:39:522:22:167:3824:29
7:53
+0:21
20M
20.00 mi12:50:442:33:087:4010:52
8:01
+0:08
21M
21.00 mi12:59:082:41:327:428:24
8:24
+0:23
35K
21.75 mi13:04:522:47:167:425:44
7:40
-0:44
23M
23.00 mi13:14:472:57:117:439:55
7:56
+0:16
24M
24.00 mi13:22:423:05:067:437:55
7:55
-0:01
40K
24.85 mi13:29:303:11:547:446:48
7:58
+0:03
25.2M
25.20 mi13:32:263:14:507:442:56
8:31
+0:33
FINISH
26.22 mi13:40:083:22:327:447:42
7:34
-0:57

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

7:24 /mi

Average Pace

7:44 /mi

Slowest Pace

8:31 /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

3:11:12

94% of race

Time at Steady Pace

11:20

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:43 /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 mi10:41:2223:467:3923:46
7:39
#14086
10K
6.21 mi11:05:0347:277:3923:41
7:38
#14049
15K
9.32 mi11:28:271:10:517:3723:24
7:32
#13685
20K
12.43 mi11:52:051:34:297:3723:38
7:37
#13458
HALF
13.11 mi11:57:071:39:317:365:02
7:24
#13378
25K
15.53 mi12:15:231:57:477:3518:16
7:32
#13106
30K
18.64 mi12:39:522:22:167:3824:29
7:53
#12970
20M
20.00 mi12:50:442:33:087:4010:52
8:01
#12926
21M
21.00 mi12:59:082:41:327:428:24
8:24
#12886
35K
21.75 mi13:04:522:47:167:425:44
7:40
#12842
23M
23.00 mi13:14:472:57:117:439:55
7:56
#12767
24M
24.00 mi13:22:423:05:067:437:55
7:55
#12764
40K
24.85 mi13:29:303:11:547:446:48
7:58
#12710
25.2M
25.20 mi13:32:263:14:507:442:56
8:31
#12683
FINISH
26.22 mi13:40:083:22:327:447:42
7:34
#12629
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 mi140869904990413078(Top 45%)9399(Top 58%)9399(Top 390%)
10K6.21 mi3.10 mi14049+379869+359869+3514051(Top 48%)9851(Top 60%)9851(Top 408%)
15K9.32 mi3.11 mi13685+3649708+1619708+16113078(Top 45%)9399(Top 58%)9399(Top 390%)
20K12.43 mi3.11 mi13458+2279574+1349574+13412889(Top 44%)9229(Top 56%)9229(Top 382%)
HALF13.11 mi0.68 mi13378+809535+399535+3911935(Top 41%)8907(Top 55%)8907(Top 369%)
25K15.53 mi2.42 mi13106+2729397+1389397+13811681(Top 40%)8645(Top 53%)8645(Top 358%)
30K18.64 mi3.11 mi12970+1369289+1089289+10812571(Top 43%)8919(Top 55%)8919(Top 370%)
20M20.00 mi1.36 mi12926+449237+529237+5212816(Top 44%)8929(Top 55%)8929(Top 370%)
21M21.00 mi1.00 mi12886+409194+439194+4312456(Top 43%)8651(Top 53%)8651(Top 359%)
35K21.75 mi0.75 mi12842+449168+269168+2612038(Top 41%)8450(Top 52%)8450(Top 350%)
23M23.00 mi1.25 mi12767+759126+429126+4211905(Top 41%)8317(Top 51%)8317(Top 345%)
24M24.00 mi1.00 mi12764+39101+259101+2513108(Top 45%)8752(Top 54%)8752(Top 363%)
40K24.85 mi0.85 mi12710+549050+519050+5112157(Top 42%)8247(Top 50%)8247(Top 342%)
25.2M25.20 mi0.35 mi12683+279022+289022+2811605(Top 40%)7900(Top 48%)7900(Top 327%)
FINISH26.22 mi1.02 mi12629+548974+488974+4811856(Top 41%)8026(Top 49%)8026(Top 333%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21
+97ft-345ft

Overall

13078

Males

9399

M45-49

9399

5K→10K

3.1 - 6.2 mi

Top 48%
×5
+79ft-138ft

Overall

14051

Males

9851

M45-49

9851

10K→15K

6.2 - 9.3 mi

Top 45%
×3
+67ft-78ft

Overall

13078

Males

9399

M45-49

9399

15K→20K

9.3 - 12.4 mi

Top 44%
×5
+106ft-86ft

Overall

12889

Males

9229

M45-49

9229

20K→HALF

12.4 - 13.1 mi

Top 41%
×2
+19ft-37ft

Overall

11935

Males

8907

M45-49

8907

HALF→25K

13.1 - 15.5 mi

Top 40%
×4
+66ft-88ft

Overall

11681

Males

8645

M45-49

8645

25K→30K

15.5 - 18.6 mi

Top 43%
×9
+181ft-148ft

Overall

12571

Males

8919

M45-49

8919

30K→20M

18.6 - 20.0 mi

Top 44%
×5
+64ft-50ft

Overall

12816

Males

8929

M45-49

8929

20M→21M

20.0 - 21.0 mi

Top 43%
×8
+106ft-24ft

Overall

12456

Males

8651

M45-49

8651

21M→35K

21.0 - 21.8 mi

Top 41%
×7
+17ft-86ft

Overall

12038

Males

8450

M45-49

8450

35K→23M

21.8 - 23.0 mi

Top 41%
×5
+23ft-63ft

Overall

11905

Males

8317

M45-49

8317

23M→24M

23.0 - 24.0 mi

Top 45%
×6
+12ft-82ft

Overall

13108

Males

8752

M45-49

8752

24M→40K

24.0 - 24.9 mi

Top 42%
×1
+6ft-20ft

Overall

12157

Males

8247

M45-49

8247

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1
+13ft-16ft

Overall

11605

Males

7900

M45-49

7900

25.2M→FINISH

25.2 - 26.2 mi

Top 41%
×2
+22ft-21ft

Overall

11856

Males

8026

M45-49

8026

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2286*
Passed By
829
Net Change
+1457
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14086
5K → 10K237*200+37#14086#14049
10K → 15K421*57+364#14049#13685
15K → 20K289*62+227#13685#13458
20K → HALF877+80#13458#13378
HALF → 25K287*15+272#13378#13106
25K → 30K247*111+136#13106#12970
30K → 20M11773+44#12970#12926
20M → 21M10666+40#12926#12886
21M → 35K6622+44#12886#12842
35K → 23M12550+75#12842#12767
23M → 24M7572+3#12767#12764
24M → 40K9238+54#12764#12710
40K → 25.2M4215+27#12710#12683
25.2M → FINISH9541+54#12683#12629
TOTALS2286*829+1457

* 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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing