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BOSTON MARATHON 2024

John Carroll

Bib: 25703•M

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:51
Rank: #21076
Start → 5K
9:17/mi
28:51 split
10K· 6.21 mi
55:25
Rank: #19558 (+1518)
5K → 10K
8:33/mi
26:34 split
15K· 9.32 mi
1:22:56
Rank: #19117 (+441)
10K → 15K
8:51/mi
27:31 split
20K· 12.43 mi
1:52:48
Rank: #19286 (-169)
15K → 20K
9:37/mi
29:52 split
Half· 13.11 mi
1:59:28
Rank: #19386 (-100)
20K → Half
9:46/mi
6:40 split
25K· 15.53 mi
2:24:29
Rank: #19531 (-145)
Half → 25K
10:19/mi
25:01 split
30K· 18.64 mi
3:04:07
Rank: #20454 (-923)
25K → 30K
12:45/mi
39:38 split
20M
3:19:47
Rank: #20432 (+22)
30K → 20M
11:32/mi
15:40 split
21M
3:31:01
Rank: #20239 (+193)
20M → 21M
11:14/mi
11:14 split
35K· 21.75 mi
3:40:34
Rank: #20385 (-146)
21M → 35K
12:46/mi
9:33 split
23M
3:54:21
Rank: #20259 (+126)
35K → 23M
11:01/mi
13:47 split
24M
4:06:08
Rank: #20302 (-43)
23M → 24M
11:47/mi
11:47 split
40K· 24.85 mi
4:17:09
Rank: #20389 (-87)
24M → 40K
12:53/mi
11:01 split
25.2M
4:21:16
Rank: #20330 (+59)
40K → 25.2M
11:56/mi
4:07 split
Finish· 26.22 mi
4:32:18
Rank: #20325 (+5)
25.2M → Finish
10:50/mi
11:02 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:28
Pace9:07 /mi
2nd Half
Distance13.11 mi
Time2:32:50
Pace11:40 /mi
📊Positive Split: 27.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:5528:519:1728:51
9:17
-
10K
6.21 mi12:12:2955:258:5526:34
8:33
-0:44
15K
9.32 mi12:40:001:22:568:5427:31
8:51
+0:18
20K
12.43 mi13:09:521:52:489:0529:52
9:37
+0:46
Half
13.11 mi13:16:321:59:289:076:40
9:46
+0:09
25K
15.53 mi13:41:332:24:299:1825:01
10:19
+0:33
30K
18.64 mi14:21:113:04:079:5339:38
12:45
+2:26
20M
20.00 mi14:36:513:19:479:5915:40
11:32
-1:13
21M
21.00 mi14:48:053:31:0110:0311:14
11:14
-0:18
35K
21.75 mi14:57:383:40:3410:099:33
12:46
+1:32
23M
23.00 mi15:11:253:54:2110:1113:47
11:01
-1:45
24M
24.00 mi15:23:124:06:0810:1511:47
11:47
+0:46
40K
24.85 mi15:34:134:17:0910:2111:01
12:53
+1:06
25.2M
25.20 mi15:38:204:21:1610:224:07
11:56
-0:57
Finish
26.22 mi15:49:224:32:1810:2411:02
10:50
-1:06

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

8:33 /mi

Average Pace

10:24 /mi

Slowest Pace

12:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24:29

53% of race

Time at Steady Pace

51:43

19% of race

Time at Slower Pace

1:16:06

28% of race

Average Pace: 10:23 /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 mi11:45:5528:519:1728:51
9:17
#21076
10K
6.21 mi12:12:2955:258:5526:34
8:33
#19558
15K
9.32 mi12:40:001:22:568:5427:31
8:51
#19117
20K
12.43 mi13:09:521:52:489:0529:52
9:37
#19286
Half
13.11 mi13:16:321:59:289:076:40
9:46
#19386
25K
15.53 mi13:41:332:24:299:1825:01
10:19
#19531
30K
18.64 mi14:21:113:04:079:5339:38
12:45
#20454
20M
20.00 mi14:36:513:19:479:5915:40
11:32
#20432
21M
21.00 mi14:48:053:31:0110:0311:14
11:14
#20239
35K
21.75 mi14:57:383:40:3410:099:33
12:46
#20385
23M
23.00 mi15:11:253:54:2110:1113:47
11:01
#20259
24M
24.00 mi15:23:124:06:0810:1511:47
11:47
#20302
40K
24.85 mi15:34:134:17:0910:2111:01
12:53
#20389
25.2M
25.20 mi15:38:204:21:1610:224:07
11:56
#20330
Finish
26.22 mi15:49:224:32:1810:2411:02
10:50
#20325
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21076125941259418235(Top 71%)11365(Top 78%)11365(Top 234%)
10K6.21 mi3.10 mi19558+151811897+69711897+69717569(Top 69%)11057(Top 76%)11057(Top 228%)
15K9.32 mi3.11 mi19117+44111711+18611711+18618235(Top 71%)11365(Top 78%)11365(Top 234%)
20K12.43 mi3.11 mi19286-16911792-8111792-8119543(Top 76%)11938(Top 82%)11938(Top 246%)
Half13.11 mi0.68 mi19386-10011840-4811840-4820855(Top 82%)12480(Top 86%)12480(Top 257%)
25K15.53 mi2.42 mi19531-14511894-5411894-5419959(Top 78%)12013(Top 82%)12013(Top 248%)
30K18.64 mi3.11 mi20454-92312288-39412288-39422979(Top 90%)13291(Top 91%)13291(Top 274%)
20M20.00 mi1.36 mi20432+2212239+4912239+4920453(Top 80%)11944(Top 82%)11944(Top 246%)
21M21.00 mi1.00 mi20239+19312119+12012119+12016954(Top 66%)10092(Top 69%)10092(Top 208%)
35K21.75 mi0.75 mi20385-14612174-5512174-5522955(Top 90%)13105(Top 90%)13105(Top 270%)
23M23.00 mi1.25 mi20259+12612083+9112083+9118453(Top 72%)10790(Top 74%)10790(Top 223%)
24M24.00 mi1.00 mi20302-4312084-112084-120981(Top 82%)12006(Top 82%)12006(Top 248%)
40K24.85 mi0.85 mi20389-8712106-2212106-2222076(Top 86%)12537(Top 86%)12537(Top 259%)
25.2M25.20 mi0.35 mi20330+5912072+3412072+3417203(Top 67%)10032(Top 69%)10032(Top 207%)
Finish26.22 mi1.02 mi20325+512052+2012052+2020899(Top 82%)11928(Top 82%)11928(Top 246%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21stories
+97ft-345ft

Overall

18235

Males

11365

M18-39

11365

5K→10K

3.1 - 6.2 mi

Top 69%
×5stories
+79ft-138ft

Overall

17569

Males

11057

M18-39

11057

10K→15K

6.2 - 9.3 mi

Top 71%
×3stories
+67ft-78ft

Overall

18235

Males

11365

M18-39

11365

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

19543

Males

11938

M18-39

11938

20K→Half

12.4 - 13.1 mi

Top 82%
×2stories
+19ft-37ft

Overall

20855

Males

12480

M18-39

12480

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

19959

Males

12013

M18-39

12013

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

22979

Males

13291

M18-39

13291

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

20453

Males

11944

M18-39

11944

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

16954

Males

10092

M18-39

10092

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

22955

Males

13105

M18-39

13105

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

18453

Males

10790

M18-39

10790

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

20981

Males

12006

M18-39

12006

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22076

Males

12537

M18-39

12537

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17203

Males

10032

M18-39

10032

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

20899

Males

11928

M18-39

11928

Passing Analysis

Category:
Athletes Passed
3046
Passed By
2295
Net Change
+751
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21076
5K → 10K15224+1518#21076#19558
10K → 15K49453+441#19558#19117
15K → 20K198367-169#19117#19286
20K → Half13113-100#19286#19386
Half → 25K139284-145#19386#19531
25K → 30K23946-923#19531#20454
30K → 20M9573+22#20454#20432
20M → 21M1996+193#20432#20239
21M → 35K25171-146#20239#20385
35K → 23M14317+126#20385#20259
23M → 24M4891-43#20259#20302
24M → 40K33120-87#20302#20389
40K → 25.2M612+59#20389#20330
25.2M → Finish5348+5#20330#20325
TOTALS30462295+751
📊

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