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BOSTON MARATHON 2023

Seiichi Matsushita

Bib: 2024•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 10%
Masters (Masters Men)
#0 / 9891
Top 3%
Division (M45-49)
#0 / 2252
Top 3%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:35
Rank: #1444
Start → 5K
19:35 | 6:18/mi
10K· 6.21 mi
38:45
Rank: #1329 (+115)
5K → 10K
19:10 | 6:10/mi
15K· 9.32 mi
58:12
Rank: #1347 (-18)
10K → 15K
19:27 | 6:16/mi
20K· 12.43 mi
1:18:02
Rank: #1421 (-74)
15K → 20K
19:50 | 6:23/mi
Half· 13.11 mi
1:22:21
Rank: #1444 (-23)
20K → Half
4:19 | 6:20/mi
25K· 15.53 mi
1:37:54
Rank: #1495 (-51)
Half → 25K
15:33 | 6:25/mi
30K· 18.64 mi
1:58:12
Rank: #1502 (-7)
25K → 30K
20:18 | 6:32/mi
20M
2:07:07
Rank: #1506 (-4)
30K → 20M
8:55 | 6:34/mi
21M
2:14:09
Rank: #1526 (-20)
20M → 21M
7:02 | 7:02/mi
35K· 21.75 mi
2:18:52
Rank: #1516 (+10)
21M → 35K
4:43 | 6:18/mi
23M
2:27:08
Rank: #1509 (+7)
35K → 23M
8:16 | 6:36/mi
24M
2:33:36
Rank: #1503 (+6)
23M → 24M
6:28 | 6:28/mi
40K· 24.85 mi
2:39:14
Rank: #1508 (-5)
24M → 40K
5:38 | 6:35/mi
25.2M
2:41:43
Rank: #1518 (-10)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
2:48:25
Rank: #1529 (-11)
25.2M → Finish
6:42 | 6:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:21
Pace6:17 /mi
2nd Half
Distance13.11 mi
Time1:26:04
Pace6:34 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2419:356:1819:35
6:18
-
10K
6.21 mi10:39:3438:456:1419:10
6:10
-0:08
15K
9.32 mi10:59:0158:126:1519:27
6:16
+0:06
20K
12.43 mi11:18:511:18:026:1719:50
6:23
+0:07
Half
13.11 mi11:23:101:22:216:174:19
6:20
-0:03
25K
15.53 mi11:38:431:37:546:1815:33
6:25
+0:05
30K
18.64 mi11:59:011:58:126:2020:18
6:32
+0:07
20M
20.00 mi12:07:562:07:076:218:55
6:34
+0:02
21M
21.00 mi12:14:582:14:096:237:02
7:02
+0:28
35K
21.75 mi12:19:412:18:526:234:43
6:18
-0:44
23M
23.00 mi12:27:572:27:086:248:16
6:36
+0:18
24M
24.00 mi12:34:252:33:366:246:28
6:28
-0:08
40K
24.85 mi12:40:032:39:146:245:38
6:35
+0:07
25.2M
25.20 mi12:42:322:41:436:252:29
7:12
+0:37
Finish
26.22 mi12:49:142:48:256:266:42
6:34
-0:38

Checkpoints & Pacing

📈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

6:10 /mi

Average Pace

6:26 /mi

Slowest Pace

7:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:54

94% of race

Time at Steady Pace

9:31

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:25 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:20:2419:356:1819:35
6:18
#1444
10K
6.21 mi10:39:3438:456:1419:10
6:10
#1329
15K
9.32 mi10:59:0158:126:1519:27
6:16
#1347
20K
12.43 mi11:18:511:18:026:1719:50
6:23
#1421
Half
13.11 mi11:23:101:22:216:174:19
6:20
#1444
25K
15.53 mi11:38:431:37:546:1815:33
6:25
#1495
30K
18.64 mi11:59:011:58:126:2020:18
6:32
#1502
20M
20.00 mi12:07:562:07:076:218:55
6:34
#1506
21M
21.00 mi12:14:582:14:096:237:02
7:02
#1526
35K
21.75 mi12:19:412:18:526:234:43
6:18
#1516
23M
23.00 mi12:27:572:27:086:248:16
6:36
#1509
24M
24.00 mi12:34:252:33:366:246:28
6:28
#1503
40K
24.85 mi12:40:032:39:146:245:38
6:35
#1508
25.2M
25.20 mi12:42:322:41:436:252:29
7:12
#1518
Finish
26.22 mi12:49:142:48:256:266:42
6:34
#1529
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi1444137313731469(Top 6%)1402(Top 9%)1402(Top 62%)
10K6.21 mi3.10 mi1329+1151263+1101263+1101234(Top 5%)1171(Top 8%)1171(Top 52%)
15K9.32 mi3.11 mi1347-181283-201283-201469(Top 6%)1402(Top 9%)1402(Top 62%)
20K12.43 mi3.11 mi1421-741355-721355-721723(Top 6%)1649(Top 11%)1649(Top 73%)
Half13.11 mi0.68 mi1444-231377-221377-221857(Top 7%)1782(Top 12%)1782(Top 79%)
25K15.53 mi2.42 mi1495-511428-511428-511770(Top 7%)1694(Top 11%)1694(Top 75%)
30K18.64 mi3.11 mi1502-71435-71435-71688(Top 6%)1615(Top 11%)1615(Top 72%)
20M20.00 mi1.36 mi1506-41439-41439-41681(Top 6%)1604(Top 11%)1604(Top 71%)
21M21.00 mi1.00 mi1526-201458-191458-192263(Top 9%)2136(Top 14%)2136(Top 95%)
35K21.75 mi0.75 mi1516+101449+91449+91582(Top 6%)1502(Top 10%)1502(Top 67%)
23M23.00 mi1.25 mi1509+71441+81441+81769(Top 7%)1678(Top 11%)1678(Top 75%)
24M24.00 mi1.00 mi1503+61434+71434+71937(Top 7%)1818(Top 12%)1818(Top 81%)
40K24.85 mi0.85 mi1508-51439-51439-51853(Top 7%)1744(Top 11%)1744(Top 77%)
25.2M25.20 mi0.35 mi1518-101449-101449-102457(Top 9%)2270(Top 15%)2270(Top 101%)
Finish26.22 mi1.02 mi1529-111462-131462-132827(Top 11%)2564(Top 17%)2564(Top 114%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1469

Males

1402

M45-49

1402

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1234

Males

1171

M45-49

1171

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1469

Males

1402

M45-49

1402

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1723

Males

1649

M45-49

1649

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1857

Males

1782

M45-49

1782

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1770

Males

1694

M45-49

1694

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1688

Males

1615

M45-49

1615

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1681

Males

1604

M45-49

1604

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2263

Males

2136

M45-49

2136

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1582

Males

1502

M45-49

1502

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1769

Males

1678

M45-49

1678

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1937

Males

1818

M45-49

1818

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1853

Males

1744

M45-49

1744

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2457

Males

2270

M45-49

2270

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

2827

Males

2564

M45-49

2564

Passing Analysis

Category:
Athletes Passed
429
Passed By
514
Net Change
-85
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1444
5K → 10K13722+115#1444#1329
10K → 15K3957-18#1329#1347
15K → 20K2296-74#1347#1421
20K → Half124-23#1421#1444
Half → 25K2172-51#1444#1495
25K → 30K5158-7#1495#1502
30K → 20M2226-4#1502#1506
20M → 21M1737-20#1506#1526
21M → 35K188+10#1526#1516
35K → 23M2518+7#1516#1509
23M → 24M2721+6#1509#1503
24M → 40K2328-5#1503#1508
40K → 25.2M717-10#1508#1518
25.2M → Finish1930-11#1518#1529
TOTALS429514-85
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing