Boston Marathon logo
BOSTON MARATHON 2024

Caroline Brockmyre

Bib: 24309•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Division (F18-39)
#0 / 4660
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
35:39
Rank: #25192
Start → 5K
35:39 | 11:28/mi
10K· 6.21 mi
1:15:44
Rank: #25382 (-190)
5K → 10K
40:05 | 12:54/mi
15K· 9.32 mi
1:59:09
Rank: #25454 (-72)
10K → 15K
43:25 | 13:58/mi
20K· 12.43 mi
2:44:39
Rank: #25490 (-36)
15K → 20K
45:30 | 14:39/mi
Half· 13.11 mi
2:53:21
Rank: #25485 (+5)
20K → Half
8:42 | 12:45/mi
25K· 15.53 mi
3:29:58
Rank: #25496 (-11)
Half → 25K
36:37 | 15:06/mi
30K· 18.64 mi
4:20:28
Rank: #25513 (-17)
25K → 30K
50:30 | 16:15/mi
20M
4:39:27
Rank: #25504 (+9)
30K → 20M
18:59 | 13:58/mi
21M
4:57:58
Rank: #25512 (-8)
20M → 21M
18:31 | 18:31/mi
35K· 21.75 mi
5:08:38
Rank: #25508 (+4)
21M → 35K
10:40 | 14:15/mi
23M
5:26:30
Rank: #25508
35K → 23M
17:52 | 14:16/mi
24M
5:40:14
Rank: #25507 (+1)
23M → 24M
13:44 | 13:44/mi
40K· 24.85 mi
5:51:43
Rank: #25503 (+4)
24M → 40K
11:29 | 13:26/mi
25.2M
5:57:19
Rank: #25501 (+2)
40K → 25.2M
5:36 | 16:14/mi
Finish· 26.22 mi
6:09:29
Rank: #25493 (+8)
25.2M → Finish
12:10 | 11:56/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:53:21
Pace13:13 /mi
2nd Half
Distance13.11 mi
Time3:16:08
Pace14:58 /mi
📊Positive Split: 13.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:1035:3911:2835:39
11:28
-
10K
6.21 mi12:34:151:15:4412:1140:05
12:54
+1:26
15K
9.32 mi13:17:401:59:0912:4743:25
13:58
+1:04
20K
12.43 mi14:03:102:44:3913:1545:30
14:39
+0:41
Half
13.11 mi14:11:522:53:2113:138:42
12:45
-1:54
25K
15.53 mi14:48:293:29:5813:3136:37
15:06
+2:21
30K
18.64 mi15:38:594:20:2813:5850:30
16:15
+1:09
20M
20.00 mi15:57:584:39:2713:5818:59
13:58
-2:17
21M
21.00 mi16:16:294:57:5814:1118:31
18:31
+4:33
35K
21.75 mi16:27:095:08:3814:1110:40
14:15
-4:16
23M
23.00 mi16:45:015:26:3014:1217:52
14:16
+0:01
24M
24.00 mi16:58:455:40:1414:1113:44
13:44
-0:32
40K
24.85 mi17:10:145:51:4314:0911:29
13:26
-0:18
25.2M
25.20 mi17:15:505:57:1914:115:36
16:14
+2:48
Finish
26.22 mi17:28:006:09:2914:0612:10
11:56
-4:18

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

11:28 /mi

Average Pace

14:06 /mi

Slowest Pace

18:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:36

26% of race

Time at Steady Pace

2:41:39

44% of race

Time at Slower Pace

1:51:14

30% of race

Average Pace: 14:05 /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 mi11:54:1035:3911:2835:39
11:28
#25192
10K
6.21 mi12:34:151:15:4412:1140:05
12:54
#25382
15K
9.32 mi13:17:401:59:0912:4743:25
13:58
#25454
20K
12.43 mi14:03:102:44:3913:1545:30
14:39
#25490
Half
13.11 mi14:11:522:53:2113:138:42
12:45
#25485
25K
15.53 mi14:48:293:29:5813:3136:37
15:06
#25496
30K
18.64 mi15:38:594:20:2813:5850:30
16:15
#25513
20M
20.00 mi15:57:584:39:2713:5818:59
13:58
#25504
21M
21.00 mi16:16:294:57:5814:1118:31
18:31
#25512
35K
21.75 mi16:27:095:08:3814:1110:40
14:15
#25508
23M
23.00 mi16:45:015:26:3014:1217:52
14:16
#25508
24M
24.00 mi16:58:455:40:1414:1113:44
13:44
#25507
40K
24.85 mi17:10:145:51:4314:0911:29
13:26
#25503
25.2M
25.20 mi17:15:505:57:1914:115:36
16:14
#25501
Finish
26.22 mi17:28:006:09:2914:0612:10
11:56
#25493
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25192106891068925488(Top 100%)10891(Top 100%)10891(Top 234%)
10K6.21 mi3.10 mi25382-19010821-13210821-13225444(Top 100%)10867(Top 99%)10867(Top 233%)
15K9.32 mi3.11 mi25454-7210869-4810869-4825488(Top 100%)10891(Top 100%)10891(Top 234%)
20K12.43 mi3.11 mi25490-3610896-2710896-2725481(Top 100%)10888(Top 100%)10888(Top 234%)
Half13.11 mi0.68 mi25485+510893+310893+325077(Top 98%)10674(Top 98%)10674(Top 229%)
25K15.53 mi2.42 mi25496-1110903-1010903-1025365(Top 99%)10838(Top 99%)10838(Top 233%)
30K18.64 mi3.11 mi25513-1710910-710910-725375(Top 99%)10851(Top 99%)10851(Top 233%)
20M20.00 mi1.36 mi25504+910905+510905+523937(Top 94%)10200(Top 93%)10200(Top 219%)
21M21.00 mi1.00 mi25512-810909-410909-425349(Top 99%)10857(Top 99%)10857(Top 233%)
35K21.75 mi0.75 mi25508+4109091090924490(Top 96%)10525(Top 96%)10525(Top 226%)
23M23.00 mi1.25 mi25508109091090924058(Top 94%)10322(Top 94%)10322(Top 222%)
24M24.00 mi1.00 mi25507+110908+110908+123925(Top 94%)10320(Top 94%)10320(Top 221%)
40K24.85 mi0.85 mi25503+410907+110907+122917(Top 90%)9892(Top 91%)9892(Top 212%)
25.2M25.20 mi0.35 mi25501+2109071090724239(Top 95%)10472(Top 96%)10472(Top 225%)
Finish26.22 mi1.02 mi25493+810903+410903+423162(Top 91%)10020(Top 92%)10020(Top 215%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×21stories
+97ft-345ft

Overall

25488

Females

10891

F18-39

10891

5K→10K

3.1 - 6.2 mi

Top 100%
×5stories
+79ft-138ft

Overall

25444

Females

10867

F18-39

10867

10K→15K

6.2 - 9.3 mi

Top 100%
×3stories
+67ft-78ft

Overall

25488

Females

10891

F18-39

10891

15K→20K

9.3 - 12.4 mi

Top 100%
×5stories
+106ft-86ft

Overall

25481

Females

10888

F18-39

10888

20K→Half

12.4 - 13.1 mi

Top 98%
×2stories
+19ft-37ft

Overall

25077

Females

10674

F18-39

10674

Half→25K

13.1 - 15.5 mi

Top 99%
×4stories
+66ft-88ft

Overall

25365

Females

10838

F18-39

10838

25K→30K

15.5 - 18.6 mi

Top 99%
×9stories
+181ft-148ft

Overall

25375

Females

10851

F18-39

10851

30K→20M

18.6 - 20.0 mi

Top 94%
×5stories
+64ft-50ft

Overall

23937

Females

10200

F18-39

10200

20M→21M

20.0 - 21.0 mi

Top 99%
×8stories
+106ft-24ft

Overall

25349

Females

10857

F18-39

10857

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

24490

Females

10525

F18-39

10525

35K→23M

21.8 - 23.0 mi

Top 94%
×5stories
+23ft-63ft

Overall

24058

Females

10322

F18-39

10322

23M→24M

23.0 - 24.0 mi

Top 94%
×6stories
+12ft-82ft

Overall

23925

Females

10320

F18-39

10320

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

22917

Females

9892

F18-39

9892

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

24239

Females

10472

F18-39

10472

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2stories
+22ft-21ft

Overall

23162

Females

10020

F18-39

10020

Passing Analysis

Category:
Athletes Passed
79
Passed By
380
Net Change
-301
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25192
5K → 10K5195-190#25192#25382
10K → 15K1284-72#25382#25454
15K → 20K642-36#25454#25490
20K → Half72+5#25490#25485
Half → 25K617-11#25485#25496
25K → 30K522-17#25496#25513
30K → 20M101+9#25513#25504
20M → 21M210-8#25504#25512
21M → 35K51+4#25512#25508
35K → 23M110#25508#25508
23M → 24M43+1#25508#25507
24M → 40K51+4#25507#25503
40K → 25.2M20+2#25503#25501
25.2M → Finish91+8#25501#25493
TOTALS79380-301
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing