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BOSTON MARATHON 2024

Laura Carlson

Bib: 22502•F

DE

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F55-59)
#0 / 876
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:43
Rank: #18329
Start → 5K
8:36/mi
26:43 split
10K· 6.21 mi
54:14
Rank: #18750 (-421)
5K → 10K
8:51/mi
27:31 split
15K· 9.32 mi
1:22:42
Rank: #19014 (-264)
10K → 15K
9:10/mi
28:28 split
20K· 12.43 mi
1:52:23
Rank: #19158 (-144)
15K → 20K
9:33/mi
29:41 split
Half· 13.11 mi
1:58:55
Rank: #19224 (-66)
20K → Half
9:35/mi
6:32 split
25K· 15.53 mi
2:22:52
Rank: #19145 (+79)
Half → 25K
9:53/mi
23:57 split
30K· 18.64 mi
2:54:49
Rank: #18945 (+200)
25K → 30K
10:17/mi
31:57 split
20M
3:08:45
Rank: #18795 (+150)
30K → 20M
10:15/mi
13:56 split
21M
3:19:55
Rank: #18658 (+137)
20M → 21M
11:10/mi
11:10 split
35K· 21.75 mi
3:27:37
Rank: #18612 (+46)
21M → 35K
10:18/mi
7:42 split
23M
3:41:15
Rank: #18558 (+54)
35K → 23M
10:53/mi
13:38 split
24M
3:51:56
Rank: #18545 (+13)
23M → 24M
10:41/mi
10:41 split
40K· 24.85 mi
4:01:18
Rank: #18522 (+23)
24M → 40K
10:57/mi
9:22 split
25.2M
4:05:16
Rank: #18463 (+59)
40K → 25.2M
11:30/mi
3:58 split
Finish· 26.22 mi
4:15:32
Rank: #18429 (+34)
25.2M → Finish
10:04/mi
10:16 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:55
Pace9:04 /mi
2nd Half
Distance13.11 mi
Time2:16:37
Pace10:25 /mi
📊Positive Split: 14.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:4326:438:3626:43
8:36
-
10K
6.21 mi11:53:1454:148:4427:31
8:51
+0:15
15K
9.32 mi12:21:421:22:428:5228:28
9:10
+0:19
20K
12.43 mi12:51:231:52:239:0329:41
9:33
+0:23
Half
13.11 mi12:57:551:58:559:046:32
9:35
+0:02
25K
15.53 mi13:21:522:22:529:1223:57
9:53
+0:18
30K
18.64 mi13:53:492:54:499:2331:57
10:17
+0:24
20M
20.00 mi14:07:453:08:459:2613:56
10:15
-0:02
21M
21.00 mi14:18:553:19:559:3111:10
11:10
+0:55
35K
21.75 mi14:26:373:27:379:337:42
10:18
-0:52
23M
23.00 mi14:40:153:41:159:3713:38
10:53
+0:35
24M
24.00 mi14:50:563:51:569:4010:41
10:41
-0:12
40K
24.85 mi15:00:184:01:189:439:22
10:57
+0:16
25.2M
25.20 mi15:04:164:05:169:443:58
11:30
+0:33
Finish
26.22 mi15:14:324:15:329:4510:16
10:04
-1:26

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

8:36 /mi

Average Pace

9:45 /mi

Slowest Pace

11:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:55

47% of race

Time at Steady Pace

1:27:48

34% of race

Time at Slower Pace

48:49

19% of race

Average Pace: 9:45 /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 mi11:25:4326:438:3626:43
8:36
#18329
10K
6.21 mi11:53:1454:148:4427:31
8:51
#18750
15K
9.32 mi12:21:421:22:428:5228:28
9:10
#19014
20K
12.43 mi12:51:231:52:239:0329:41
9:33
#19158
Half
13.11 mi12:57:551:58:559:046:32
9:35
#19224
25K
15.53 mi13:21:522:22:529:1223:57
9:53
#19145
30K
18.64 mi13:53:492:54:499:2331:57
10:17
#18945
20M
20.00 mi14:07:453:08:459:2613:56
10:15
#18795
21M
21.00 mi14:18:553:19:559:3111:10
11:10
#18658
35K
21.75 mi14:26:373:27:379:337:42
10:18
#18612
23M
23.00 mi14:40:153:41:159:3713:38
10:53
#18558
24M
24.00 mi14:50:563:51:569:4010:41
10:41
#18545
40K
24.85 mi15:00:184:01:189:439:22
10:57
#18522
25.2M
25.20 mi15:04:164:05:169:443:58
11:30
#18463
Finish
26.22 mi15:14:324:15:329:4510:16
10:04
#18429
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi183296952695219582(Top 77%)7562(Top 69%)7562(Top 863%)
10K6.21 mi3.10 mi18750-4217187-2357187-23519145(Top 75%)7369(Top 67%)7369(Top 841%)
15K9.32 mi3.11 mi19014-2647306-1197306-11919582(Top 77%)7562(Top 69%)7562(Top 863%)
20K12.43 mi3.11 mi19158-1447389-837389-8319381(Top 76%)7481(Top 68%)7481(Top 854%)
Half13.11 mi0.68 mi19224-667427-387427-3820302(Top 79%)8041(Top 74%)8041(Top 918%)
25K15.53 mi2.42 mi19145+797383+447383+4418794(Top 74%)7270(Top 67%)7270(Top 830%)
30K18.64 mi3.11 mi18945+2007338+457338+4518211(Top 71%)7152(Top 65%)7152(Top 816%)
20M20.00 mi1.36 mi18795+1507283+557283+5517287(Top 68%)6871(Top 63%)6871(Top 784%)
21M21.00 mi1.00 mi18658+1377239+447239+4416794(Top 66%)6752(Top 62%)6752(Top 771%)
35K21.75 mi0.75 mi18612+467233+67233+618023(Top 71%)7353(Top 67%)7353(Top 839%)
23M23.00 mi1.25 mi18558+547230+37230+318121(Top 71%)7462(Top 68%)7462(Top 852%)
24M24.00 mi1.00 mi18545+137244-147244-1418388(Top 72%)7651(Top 70%)7651(Top 873%)
40K24.85 mi0.85 mi18522+237250-67250-617983(Top 70%)7492(Top 69%)7492(Top 855%)
25.2M25.20 mi0.35 mi18463+597227+237227+2316102(Top 63%)6601(Top 60%)6601(Top 754%)
Finish26.22 mi1.02 mi18429+347234-77234-718679(Top 73%)7815(Top 72%)7815(Top 892%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

19582

Females

7562

F55-59

7562

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

19145

Females

7369

F55-59

7369

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

19582

Females

7562

F55-59

7562

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

19381

Females

7481

F55-59

7481

20K→Half

12.4 - 13.1 mi

Top 79%
×2story building
+19ft-37ft

Overall

20302

Females

8041

F55-59

8041

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

18794

Females

7270

F55-59

7270

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

18211

Females

7152

F55-59

7152

30K→20M

18.6 - 20.0 mi

Top 68%
×5story building
+64ft-50ft

Overall

17287

Females

6871

F55-59

6871

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

16794

Females

6752

F55-59

6752

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

18023

Females

7353

F55-59

7353

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

18121

Females

7462

F55-59

7462

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

18388

Females

7651

F55-59

7651

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

17983

Females

7492

F55-59

7492

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16102

Females

6601

F55-59

6601

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

18679

Females

7815

F55-59

7815

Passing Analysis

Category:
Athletes Passed
1918
Passed By
2018
Net Change
-100
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18329
5K → 10K144565-421#18329#18750
10K → 15K127391-264#18750#19014
15K → 20K205349-144#19014#19158
20K → Half2086-66#19158#19224
Half → 25K232153+79#19224#19145
25K → 30K327127+200#19145#18945
30K → 20M18434+150#18945#18795
20M → 21M16831+137#18795#18658
21M → 35K7933+46#18658#18612
35K → 23M13884+54#18612#18558
23M → 24M7966+13#18558#18545
24M → 40K7148+23#18545#18522
40K → 25.2M656+59#18522#18463
25.2M → Finish7945+34#18463#18429
TOTALS19182018-100
📊

Passing Visuals

Category:
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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