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BOSTON MARATHON 2023

Matt Schafer

Bib: 306•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 6%
Division (M18-39)
#0 / 5285
Top 14%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:59
Rank: #921
Start → 5K
18:59 | 6:07/mi
10K· 6.21 mi
37:47
Rank: #921
5K → 10K
18:48 | 6:03/mi
15K· 9.32 mi
56:55
Rank: #983 (-62)
10K → 15K
19:08 | 6:10/mi
20K· 12.43 mi
1:16:52
Rank: #1118 (-135)
15K → 20K
19:57 | 6:25/mi
Half· 13.11 mi
1:21:04
Rank: #1120 (-2)
20K → Half
4:12 | 6:09/mi
25K· 15.53 mi
1:36:38
Rank: #1185 (-65)
Half → 25K
15:34 | 6:25/mi
30K· 18.64 mi
1:56:31
Rank: #1173 (+12)
25K → 30K
19:53 | 6:24/mi
20M
2:05:00
Rank: #1120 (+53)
30K → 20M
8:29 | 6:15/mi
21M
2:11:16
Rank: #1044 (+76)
20M → 21M
6:16 | 6:16/mi
35K· 21.75 mi
2:15:39
Rank: #997 (+47)
21M → 35K
4:23 | 5:52/mi
23M
2:23:30
Rank: #971 (+26)
35K → 23M
7:51 | 6:16/mi
24M
2:29:37
Rank: #950 (+21)
23M → 24M
6:07 | 6:07/mi
40K· 24.85 mi
2:35:03
Rank: #934 (+16)
24M → 40K
5:26 | 6:21/mi
25.2M
2:37:24
Rank: #930 (+4)
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
2:43:41
Rank: #925 (+5)
25.2M → Finish
6:17 | 6:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:04
Pace6:11 /mi
2nd Half
Distance13.11 mi
Time1:22:37
Pace6:18 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:1018:596:0718:59
6:07
-
10K
6.21 mi10:37:5837:476:0518:48
6:03
-0:04
15K
9.32 mi10:57:0656:556:0619:08
6:10
+0:07
20K
12.43 mi11:17:031:16:526:1119:57
6:25
+0:15
Half
13.11 mi11:21:151:21:046:114:12
6:09
-0:16
25K
15.53 mi11:36:491:36:386:1315:34
6:25
+0:16
30K
18.64 mi11:56:421:56:316:1519:53
6:24
-0:01
20M
20.00 mi12:05:112:05:006:158:29
6:15
-0:09
21M
21.00 mi12:11:272:11:166:156:16
6:16
+0:01
35K
21.75 mi12:15:502:15:396:144:23
5:52
-0:24
23M
23.00 mi12:23:412:23:306:147:51
6:16
+0:24
24M
24.00 mi12:29:482:29:376:146:07
6:07
-0:09
40K
24.85 mi12:35:142:35:036:145:26
6:21
+0:14
25.2M
25.20 mi12:37:352:37:246:152:21
6:49
+0:28
Finish
26.22 mi12:43:522:43:416:156:17
6:10
-0:39

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

5:52 /mi

Average Pace

6:15 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:20

99% of race

Time at Steady Pace

2:21

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:15 /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 mi10:19:1018:596:0718:59
6:07
#921
10K
6.21 mi10:37:5837:476:0518:48
6:03
#921
15K
9.32 mi10:57:0656:556:0619:08
6:10
#983
20K
12.43 mi11:17:031:16:526:1119:57
6:25
#1118
Half
13.11 mi11:21:151:21:046:114:12
6:09
#1120
25K
15.53 mi11:36:491:36:386:1315:34
6:25
#1185
30K
18.64 mi11:56:421:56:316:1519:53
6:24
#1173
20M
20.00 mi12:05:112:05:006:158:29
6:15
#1120
21M
21.00 mi12:11:272:11:166:156:16
6:16
#1044
35K
21.75 mi12:15:502:15:396:144:23
5:52
#997
23M
23.00 mi12:23:412:23:306:147:51
6:16
#971
24M
24.00 mi12:29:482:29:376:146:07
6:07
#950
40K
24.85 mi12:35:142:35:036:145:26
6:21
#934
25.2M
25.20 mi12:37:352:37:246:152:21
6:49
#930
Finish
26.22 mi12:43:522:43:416:156:17
6:10
#925
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi9218678671115(Top 4%)1062(Top 7%)1062(Top 20%)
10K6.21 mi3.10 mi921870-3870-3938(Top 4%)889(Top 6%)889(Top 17%)
15K9.32 mi3.11 mi983-62931-61931-611115(Top 4%)1062(Top 7%)1062(Top 20%)
20K12.43 mi3.11 mi1118-1351063-1321063-1321875(Top 7%)1798(Top 12%)1798(Top 34%)
Half13.11 mi0.68 mi1120-21065-21065-21167(Top 4%)1116(Top 7%)1116(Top 21%)
25K15.53 mi2.42 mi1185-651130-651130-651793(Top 7%)1716(Top 11%)1716(Top 32%)
30K18.64 mi3.11 mi1173+121118+121118+121199(Top 5%)1143(Top 8%)1143(Top 22%)
20M20.00 mi1.36 mi1120+531067+511067+51749(Top 3%)710(Top 5%)710(Top 13%)
21M21.00 mi1.00 mi1044+76993+74993+74314(Top 1%)288(Top 2%)288(Top 5%)
35K21.75 mi0.75 mi997+47948+45948+45458(Top 2%)424(Top 3%)424(Top 8%)
23M23.00 mi1.25 mi971+26924+24924+24759(Top 3%)718(Top 5%)718(Top 14%)
24M24.00 mi1.00 mi950+21903+21903+21792(Top 3%)750(Top 5%)750(Top 14%)
40K24.85 mi0.85 mi934+16887+16887+161048(Top 4%)991(Top 7%)991(Top 19%)
25.2M25.20 mi0.35 mi930+4883+4883+41171(Top 4%)1110(Top 7%)1110(Top 21%)
Finish26.22 mi1.02 mi925+5878+5878+51166(Top 4%)1110(Top 7%)1110(Top 21%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1115

Males

1062

M18-39

1062

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

938

Males

889

M18-39

889

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1115

Males

1062

M18-39

1062

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1875

Males

1798

M18-39

1798

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1167

Males

1116

M18-39

1116

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1793

Males

1716

M18-39

1716

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1199

Males

1143

M18-39

1143

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

749

Males

710

M18-39

710

20M→21M

20.0 - 21.0 mi

Top 1%
×8stories
+106ft-24ft

Overall

314

Males

288

M18-39

288

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

458

Males

424

M18-39

424

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

759

Males

718

M18-39

718

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

792

Males

750

M18-39

750

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1048

Males

991

M18-39

991

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1171

Males

1110

M18-39

1110

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1166

Males

1110

M18-39

1110

Passing Analysis

Category:
Athletes Passed
400
Passed By
404
Net Change
-4
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#921
5K → 10K46460#921#921
10K → 15K1173-62#921#983
15K → 20K5140-135#983#1118
20K → Half35-2#1118#1120
Half → 25K1075-65#1120#1185
25K → 30K4432+12#1185#1173
30K → 20M552+53#1173#1120
20M → 21M760+76#1120#1044
21M → 35K470+47#1044#997
35K → 23M304+26#997#971
23M → 24M243+21#971#950
24M → 40K226+16#950#934
40K → 25.2M62+4#934#930
25.2M → Finish2116+5#930#925
TOTALS400404-4
📊

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