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BOSTON MARATHON 2024

Justin Carney

Bib: 29546•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M40-44)
#0 / 2009
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:23
Rank: #22480
Start → 5K
30:23 | 9:47/mi
10K· 6.21 mi
1:01:01
Rank: #22369 (+111)
5K → 10K
30:38 | 9:52/mi
15K· 9.32 mi
1:31:40
Rank: #22087 (+282)
10K → 15K
30:39 | 9:52/mi
20K· 12.43 mi
2:02:49
Rank: #21693 (+394)
15K → 20K
31:09 | 10:02/mi
Half· 13.11 mi
2:09:23
Rank: #21619 (+74)
20K → Half
6:34 | 9:37/mi
25K· 15.53 mi
2:34:50
Rank: #21397 (+222)
Half → 25K
25:27 | 10:30/mi
30K· 18.64 mi
3:10:20
Rank: #21272 (+125)
25K → 30K
35:30 | 11:26/mi
20M
3:27:23
Rank: #21360 (-88)
30K → 20M
17:03 | 12:33/mi
21M
3:40:21
Rank: #21343 (+17)
20M → 21M
12:58 | 12:58/mi
35K· 21.75 mi
3:49:12
Rank: #21348 (-5)
21M → 35K
8:51 | 11:50/mi
23M
4:04:44
Rank: #21361 (-13)
35K → 23M
15:32 | 12:24/mi
24M
4:17:00
Rank: #21392 (-31)
23M → 24M
12:16 | 12:16/mi
40K· 24.85 mi
4:27:58
Rank: #21417 (-25)
24M → 40K
10:58 | 12:50/mi
25.2M
4:33:24
Rank: #21460 (-43)
40K → 25.2M
5:26 | 15:45/mi
Finish· 26.22 mi
4:44:43
Rank: #21480 (-20)
25.2M → Finish
11:19 | 11:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:23
Pace9:52 /mi
2nd Half
Distance13.11 mi
Time2:35:20
Pace11:51 /mi
📊Positive Split: 20.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:5730:239:4730:23
9:47
-
10K
6.21 mi12:26:351:01:019:4930:38
9:52
+0:05
15K
9.32 mi12:57:141:31:409:5030:39
9:52
0:00
20K
12.43 mi13:28:232:02:499:5331:09
10:02
+0:10
Half
13.11 mi13:34:572:09:239:526:34
9:37
-0:25
25K
15.53 mi14:00:242:34:509:5825:27
10:30
+0:53
30K
18.64 mi14:35:543:10:2010:1335:30
11:26
+0:56
20M
20.00 mi14:52:573:27:2310:2217:03
12:33
+1:07
21M
21.00 mi15:05:553:40:2110:3012:58
12:58
+0:25
35K
21.75 mi15:14:463:49:1210:328:51
11:50
-1:08
23M
23.00 mi15:30:184:04:4410:3815:32
12:24
+0:34
24M
24.00 mi15:42:344:17:0010:4312:16
12:16
-0:08
40K
24.85 mi15:53:324:27:5810:4710:58
12:50
+0:34
25.2M
25.20 mi15:58:584:33:2410:515:26
15:45
+2:55
Finish
26.22 mi16:10:174:44:4310:5211:19
11:06
-4:39

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

9:37 /mi

Average Pace

10:52 /mi

Slowest Pace

15:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:50

54% of race

Time at Steady Pace

55:40

20% of race

Time at Slower Pace

1:14:13

26% of race

Average Pace: 10:52 /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 mi11:55:5730:239:4730:23
9:47
#22480
10K
6.21 mi12:26:351:01:019:4930:38
9:52
#22369
15K
9.32 mi12:57:141:31:409:5030:39
9:52
#22087
20K
12.43 mi13:28:232:02:499:5331:09
10:02
#21693
Half
13.11 mi13:34:572:09:239:526:34
9:37
#21619
25K
15.53 mi14:00:242:34:509:5825:27
10:30
#21397
30K
18.64 mi14:35:543:10:2010:1335:30
11:26
#21272
20M
20.00 mi14:52:573:27:2310:2217:03
12:33
#21360
21M
21.00 mi15:05:553:40:2110:3012:58
12:58
#21343
35K
21.75 mi15:14:463:49:1210:328:51
11:50
#21348
23M
23.00 mi15:30:184:04:4410:3815:32
12:24
#21361
24M
24.00 mi15:42:344:17:0010:4312:16
12:16
#21392
40K
24.85 mi15:53:324:27:5810:4710:58
12:50
#21417
25.2M
25.20 mi15:58:584:33:2410:515:26
15:45
#21460
Finish
26.22 mi16:10:174:44:4310:5211:19
11:06
#21480
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi22480132891328921596(Top 85%)12902(Top 89%)12902(Top 642%)
10K6.21 mi3.10 mi22369+11113230+5913230+5922241(Top 87%)13159(Top 90%)13159(Top 655%)
15K9.32 mi3.11 mi22087+28213094+13613094+13621596(Top 85%)12902(Top 89%)12902(Top 642%)
20K12.43 mi3.11 mi21693+39412900+19412900+19420637(Top 81%)12439(Top 85%)12439(Top 619%)
Half13.11 mi0.68 mi21619+7412865+3512865+3520437(Top 80%)12282(Top 84%)12282(Top 611%)
25K15.53 mi2.42 mi21397+22212759+10612759+10620401(Top 80%)12221(Top 84%)12221(Top 608%)
30K18.64 mi3.11 mi21272+12512656+10312656+10320869(Top 82%)12261(Top 84%)12261(Top 610%)
20M20.00 mi1.36 mi21360-8812658-212658-222239(Top 87%)12820(Top 88%)12820(Top 638%)
21M21.00 mi1.00 mi21343+1712631+2712631+2720667(Top 81%)11978(Top 82%)11978(Top 596%)
35K21.75 mi0.75 mi21348-512620+1112620+1121483(Top 84%)12350(Top 85%)12350(Top 615%)
23M23.00 mi1.25 mi21361-1312593+2712593+2721508(Top 84%)12337(Top 85%)12337(Top 614%)
24M24.00 mi1.00 mi21392-3112592+112592+121948(Top 86%)12491(Top 86%)12491(Top 622%)
40K24.85 mi0.85 mi21417-2512578+1412578+1421971(Top 86%)12468(Top 86%)12468(Top 621%)
25.2M25.20 mi0.35 mi21460-4312593-1512593-1523831(Top 93%)13490(Top 93%)13490(Top 671%)
Finish26.22 mi1.02 mi21480-2012584+912584+921591(Top 85%)12296(Top 84%)12296(Top 612%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

21596

Males

12902

M40-44

12902

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

22241

Males

13159

M40-44

13159

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

21596

Males

12902

M40-44

12902

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

20637

Males

12439

M40-44

12439

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

20437

Males

12282

M40-44

12282

Half→25K

13.1 - 15.5 mi

Top 80%
×4stories
+66ft-88ft

Overall

20401

Males

12221

M40-44

12221

25K→30K

15.5 - 18.6 mi

Top 82%
×9stories
+181ft-148ft

Overall

20869

Males

12261

M40-44

12261

30K→20M

18.6 - 20.0 mi

Top 87%
×5stories
+64ft-50ft

Overall

22239

Males

12820

M40-44

12820

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

20667

Males

11978

M40-44

11978

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

21483

Males

12350

M40-44

12350

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

21508

Males

12337

M40-44

12337

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

21948

Males

12491

M40-44

12491

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

21971

Males

12468

M40-44

12468

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

23831

Males

13490

M40-44

13490

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2stories
+22ft-21ft

Overall

21591

Males

12296

M40-44

12296

Passing Analysis

Category:
Athletes Passed
1978
Passed By
978
Net Change
+1000
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22480
5K → 10K259148+111#22480#22369
10K → 15K33856+282#22369#22087
15K → 20K41420+394#22087#21693
20K → Half817+74#21693#21619
Half → 25K27351+222#21619#21397
25K → 30K227102+125#21397#21272
30K → 20M52140-88#21272#21360
20M → 21M7053+17#21360#21343
21M → 35K5257-5#21343#21348
35K → 23M6982-13#21348#21361
23M → 24M5485-31#21361#21392
24M → 40K3964-25#21392#21417
40K → 25.2M851-43#21417#21460
25.2M → Finish4262-20#21460#21480
TOTALS1978978+1000
📊

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