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BOSTON MARATHON 2023

John Carter

Bib: 26367•M

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:44
Rank: #21367
Start → 5K
28:44 | 9:15/mi
10K· 6.21 mi
57:53
Rank: #21784 (-417)
5K → 10K
29:09 | 9:23/mi
15K· 9.32 mi
1:27:11
Rank: #21847 (-63)
10K → 15K
29:18 | 9:26/mi
20K· 12.43 mi
1:57:13
Rank: #21900 (-53)
15K → 20K
30:02 | 9:40/mi
Half· 13.11 mi
2:03:38
Rank: #21883 (+17)
20K → Half
6:25 | 9:24/mi
25K· 15.53 mi
2:28:33
Rank: #22059 (-176)
Half → 25K
24:55 | 10:17/mi
30K· 18.64 mi
3:01:25
Rank: #22164 (-105)
25K → 30K
32:52 | 10:35/mi
20M
3:15:17
Rank: #22065 (+99)
30K → 20M
13:52 | 10:12/mi
21M
3:26:56
Rank: #22078 (-13)
20M → 21M
11:39 | 11:39/mi
35K· 21.75 mi
3:35:06
Rank: #22105 (-27)
21M → 35K
8:10 | 10:55/mi
23M
3:49:38
Rank: #22205 (-100)
35K → 23M
14:32 | 11:36/mi
24M
4:00:47
Rank: #22270 (-65)
23M → 24M
11:09 | 11:09/mi
40K· 24.85 mi
4:10:49
Rank: #22333 (-63)
24M → 40K
10:02 | 11:44/mi
25.2M
4:14:55
Rank: #22329 (+4)
40K → 25.2M
4:06 | 11:53/mi
Finish· 26.22 mi
4:25:30
Rank: #22342 (-13)
25.2M → Finish
10:35 | 10:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:38
Pace9:26 /mi
2nd Half
Distance13.11 mi
Time2:21:52
Pace10:49 /mi
📊Positive Split: 14.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:3628:449:1528:44
9:15
-
10K
6.21 mi12:18:4557:539:1929:09
9:23
+0:08
15K
9.32 mi12:48:031:27:119:2129:18
9:26
+0:03
20K
12.43 mi13:18:051:57:139:2630:02
9:40
+0:14
Half
13.11 mi13:24:302:03:389:266:25
9:24
-0:16
25K
15.53 mi13:49:252:28:339:3424:55
10:17
+0:53
30K
18.64 mi14:22:173:01:259:4432:52
10:35
+0:18
20M
20.00 mi14:36:093:15:179:4613:52
10:12
-0:23
21M
21.00 mi14:47:483:26:569:5111:39
11:39
+1:27
35K
21.75 mi14:55:583:35:069:538:10
10:55
-0:44
23M
23.00 mi15:10:303:49:389:5914:32
11:36
+0:41
24M
24.00 mi15:21:394:00:4710:0211:09
11:09
-0:27
40K
24.85 mi15:31:414:10:4910:0510:02
11:44
+0:35
25.2M
25.20 mi15:35:474:14:5510:074:06
11:53
+0:09
Finish
26.22 mi15:46:224:25:3010:0810:35
10:23
-1:30

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

9:15 /mi

Average Pace

10:08 /mi

Slowest Pace

11:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:38

47% of race

Time at Steady Pace

1:22:14

31% of race

Time at Slower Pace

59:38

22% of race

Average Pace: 10:08 /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 mi11:49:3628:449:1528:44
9:15
#21367
10K
6.21 mi12:18:4557:539:1929:09
9:23
#21784
15K
9.32 mi12:48:031:27:119:2129:18
9:26
#21847
20K
12.43 mi13:18:051:57:139:2630:02
9:40
#21900
Half
13.11 mi13:24:302:03:389:266:25
9:24
#21883
25K
15.53 mi13:49:252:28:339:3424:55
10:17
#22059
30K
18.64 mi14:22:173:01:259:4432:52
10:35
#22164
20M
20.00 mi14:36:093:15:179:4613:52
10:12
#22065
21M
21.00 mi14:47:483:26:569:5111:39
11:39
#22078
35K
21.75 mi14:55:583:35:069:538:10
10:55
#22105
23M
23.00 mi15:10:303:49:389:5914:32
11:36
#22205
24M
24.00 mi15:21:394:00:4710:0211:09
11:09
#22270
40K
24.85 mi15:31:414:10:4910:0510:02
11:44
#22333
25.2M
25.20 mi15:35:474:14:5510:074:06
11:53
#22329
Finish
26.22 mi15:46:224:25:3010:0810:35
10:23
#22342
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21367127861278622044(Top 83%)13214(Top 87%)13214(Top 250%)
10K6.21 mi3.10 mi21784-41713027-24113027-24122172(Top 83%)13239(Top 87%)13239(Top 251%)
15K9.32 mi3.11 mi21847-6313074-4713074-4722044(Top 83%)13214(Top 87%)13214(Top 250%)
20K12.43 mi3.11 mi21900-5313102-2813102-2822049(Top 83%)13199(Top 87%)13199(Top 250%)
Half13.11 mi0.68 mi21883+1713099+313099+321826(Top 82%)13108(Top 86%)13108(Top 248%)
25K15.53 mi2.42 mi22059-17613180-8113180-8122785(Top 86%)13498(Top 89%)13498(Top 255%)
30K18.64 mi3.11 mi22164-10513216-3613216-3622365(Top 84%)13235(Top 87%)13235(Top 250%)
20M20.00 mi1.36 mi22065+9913161+5513161+5521020(Top 79%)12580(Top 83%)12580(Top 238%)
21M21.00 mi1.00 mi22078-1313152+913152+922150(Top 83%)13046(Top 86%)13046(Top 247%)
35K21.75 mi0.75 mi22105-2713160-813160-823140(Top 87%)13449(Top 89%)13449(Top 254%)
23M23.00 mi1.25 mi22205-10013187-2713187-2723418(Top 88%)13581(Top 89%)13581(Top 257%)
24M24.00 mi1.00 mi22270-6513219-3213219-3223308(Top 88%)13483(Top 89%)13483(Top 255%)
40K24.85 mi0.85 mi22333-6313239-2013239-2023544(Top 88%)13555(Top 89%)13555(Top 256%)
25.2M25.20 mi0.35 mi22329+413234+513234+522283(Top 84%)12983(Top 86%)12983(Top 246%)
Finish26.22 mi1.02 mi22342-1313228+613228+622760(Top 85%)13206(Top 87%)13206(Top 250%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21stories
+97ft-345ft

Overall

22044

Males

13214

M18-39

13214

5K→10K

3.1 - 6.2 mi

Top 83%
×5stories
+79ft-138ft

Overall

22172

Males

13239

M18-39

13239

10K→15K

6.2 - 9.3 mi

Top 83%
×3stories
+67ft-78ft

Overall

22044

Males

13214

M18-39

13214

15K→20K

9.3 - 12.4 mi

Top 83%
×5stories
+106ft-86ft

Overall

22049

Males

13199

M18-39

13199

20K→Half

12.4 - 13.1 mi

Top 82%
×2stories
+19ft-37ft

Overall

21826

Males

13108

M18-39

13108

Half→25K

13.1 - 15.5 mi

Top 86%
×4stories
+66ft-88ft

Overall

22785

Males

13498

M18-39

13498

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

22365

Males

13235

M18-39

13235

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

21020

Males

12580

M18-39

12580

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

22150

Males

13046

M18-39

13046

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

23140

Males

13449

M18-39

13449

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

23418

Males

13581

M18-39

13581

23M→24M

23.0 - 24.0 mi

Top 88%
×6stories
+12ft-82ft

Overall

23308

Males

13483

M18-39

13483

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23544

Males

13555

M18-39

13555

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22283

Males

12983

M18-39

12983

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2stories
+22ft-21ft

Overall

22760

Males

13206

M18-39

13206

Passing Analysis

Category:
Athletes Passed
847
Passed By
1822
Net Change
-975
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21367
5K → 10K117534-417#21367#21784
10K → 15K133196-63#21784#21847
15K → 20K110163-53#21847#21900
20K → Half3013+17#21900#21883
Half → 25K50226-176#21883#22059
25K → 30K102207-105#22059#22164
30K → 20M12223+99#22164#22065
20M → 21M5467-13#22065#22078
21M → 35K1744-27#22078#22105
35K → 23M24124-100#22105#22205
23M → 24M2186-65#22205#22270
24M → 40K2285-63#22270#22333
40K → 25.2M2016+4#22333#22329
25.2M → Finish2538-13#22329#22342
TOTALS8471822-975
📊

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