Boston Marathon logo
BOSTON MARATHON 2024

Caitlin Mcgreevy

Bib: 12807•F

VA

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
28:57
Rank: #21182
Start → 5K
9:19/mi
28:57 split
10K· 6.21 mi
59:36
Rank: #21789 (-607)
5K → 10K
9:52/mi
30:39 split
15K· 9.32 mi
1:31:36
Rank: #22065 (-276)
10K → 15K
10:18/mi
32:00 split
20K· 12.43 mi
2:04:14
Rank: #21951 (+114)
15K → 20K
10:30/mi
32:38 split
Half· 13.11 mi
2:11:25
Rank: #21989 (-38)
20K → Half
10:32/mi
7:11 split
25K· 15.53 mi
2:37:52
Rank: #21886 (+103)
Half → 25K
10:55/mi
26:27 split
30K· 18.64 mi
3:13:49
Rank: #21743 (+143)
25K → 30K
11:34/mi
35:57 split
20M
3:30:00
Rank: #21686 (+57)
30K → 20M
11:55/mi
16:11 split
21M
3:42:50
Rank: #21630 (+56)
20M → 21M
12:50/mi
12:50 split
35K· 21.75 mi
3:52:48
Rank: #21718 (-88)
21M → 35K
13:19/mi
9:58 split
23M
4:09:09
Rank: #21783 (-65)
35K → 23M
13:04/mi
16:21 split
24M
4:21:49
Rank: #21808 (-25)
23M → 24M
12:40/mi
12:40 split
40K· 24.85 mi
4:32:36
Rank: #21796 (+12)
24M → 40K
12:37/mi
10:47 split
25.2M
4:37:18
Rank: #21791 (+5)
40K → 25.2M
13:38/mi
4:42 split
Finish· 26.22 mi
4:49:12
Rank: #21835 (-44)
25.2M → Finish
11:41/mi
11:54 split

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
Time2:11:25
Pace10:01 /mi
2nd Half
Distance13.11 mi
Time2:37:47
Pace12:02 /mi
📊Positive Split: 20.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:1228:579:1928:57
9:19
-
10K
6.21 mi11:57:5159:369:3630:39
9:52
+0:33
15K
9.32 mi12:29:511:31:369:5032:00
10:18
+0:26
20K
12.43 mi13:02:292:04:1410:0032:38
10:30
+0:12
Half
13.11 mi13:09:402:11:2510:017:11
10:32
+0:02
25K
15.53 mi13:36:072:37:5210:1026:27
10:55
+0:23
30K
18.64 mi14:12:043:13:4910:2435:57
11:34
+0:39
20M
20.00 mi14:28:153:30:0010:3016:11
11:55
+0:21
21M
21.00 mi14:41:053:42:5010:3712:50
12:50
+0:55
35K
21.75 mi14:51:033:52:4810:429:58
13:19
+0:29
23M
23.00 mi15:07:244:09:0910:5016:21
13:04
-0:15
24M
24.00 mi15:20:044:21:4910:5512:40
12:40
-0:24
40K
24.85 mi15:30:514:32:3610:5810:47
12:37
-0:03
25.2M
25.20 mi15:35:334:37:1811:004:42
13:38
+1:01
Finish
26.22 mi15:47:274:49:1211:0211:54
11:41
-1:57

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

9:19 /mi

Average Pace

11:02 /mi

Slowest Pace

13:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:52

55% of race

Time at Steady Pace

1:04:02

22% of race

Time at Slower Pace

1:07:18

23% of race

Average Pace: 11:02 /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 mi11:27:1228:579:1928:57
9:19
#21182
10K
6.21 mi11:57:5159:369:3630:39
9:52
#21789
15K
9.32 mi12:29:511:31:369:5032:00
10:18
#22065
20K
12.43 mi13:02:292:04:1410:0032:38
10:30
#21951
Half
13.11 mi13:09:402:11:2510:017:11
10:32
#21989
25K
15.53 mi13:36:072:37:5210:1026:27
10:55
#21886
30K
18.64 mi14:12:043:13:4910:2435:57
11:34
#21743
20M
20.00 mi14:28:153:30:0010:3016:11
11:55
#21686
21M
21.00 mi14:41:053:42:5010:3712:50
12:50
#21630
35K
21.75 mi14:51:033:52:4810:429:58
13:19
#21718
23M
23.00 mi15:07:244:09:0910:5016:21
13:04
#21783
24M
24.00 mi15:20:044:21:4910:5512:40
12:40
#21808
40K
24.85 mi15:30:514:32:3610:5810:47
12:37
#21796
25.2M
25.20 mi15:35:334:37:1811:004:42
13:38
#21791
Finish
26.22 mi15:47:274:49:1211:0211:54
11:41
#21835
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi211828500850022545(Top 88%)9172(Top 84%)9172(Top 197%)
10K6.21 mi3.10 mi21789-6078795-2958795-29522268(Top 87%)9045(Top 83%)9045(Top 194%)
15K9.32 mi3.11 mi22065-2768932-1378932-13722545(Top 88%)9172(Top 84%)9172(Top 197%)
20K12.43 mi3.11 mi21951+1148876+568876+5621675(Top 85%)8725(Top 80%)8725(Top 187%)
Half13.11 mi0.68 mi21989-388904-288904-2822706(Top 89%)9329(Top 85%)9329(Top 200%)
25K15.53 mi2.42 mi21886+1038865+398865+3921331(Top 83%)8649(Top 79%)8649(Top 186%)
30K18.64 mi3.11 mi21743+1438843+228843+2221158(Top 83%)8715(Top 80%)8715(Top 187%)
20M20.00 mi1.36 mi21686+578836+78836+721189(Top 83%)8857(Top 81%)8857(Top 190%)
21M21.00 mi1.00 mi21630+568818+188818+1820449(Top 80%)8552(Top 78%)8552(Top 184%)
35K21.75 mi0.75 mi21718-888876-588876-5823632(Top 92%)10123(Top 93%)10123(Top 217%)
23M23.00 mi1.25 mi21783-658939-638939-6322637(Top 89%)9666(Top 88%)9666(Top 207%)
24M24.00 mi1.00 mi21808-258975-368975-3622552(Top 88%)9690(Top 89%)9690(Top 208%)
40K24.85 mi0.85 mi21796+128979-48979-421614(Top 85%)9279(Top 85%)9279(Top 199%)
25.2M25.20 mi0.35 mi21791+58984-58984-520973(Top 82%)8970(Top 82%)8970(Top 192%)
Finish26.22 mi1.02 mi21835-449023-399023-3922746(Top 89%)9815(Top 90%)9815(Top 211%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

22545

Females

9172

F18-39

9172

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

22268

Females

9045

F18-39

9045

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

22545

Females

9172

F18-39

9172

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

21675

Females

8725

F18-39

8725

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

22706

Females

9329

F18-39

9329

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

21331

Females

8649

F18-39

8649

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

21158

Females

8715

F18-39

8715

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

21189

Females

8857

F18-39

8857

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

20449

Females

8552

F18-39

8552

21M→35K

21.0 - 21.8 mi

Top 92%
×7story building
+17ft-86ft

Overall

23632

Females

10123

F18-39

10123

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

22637

Females

9666

F18-39

9666

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

22552

Females

9690

F18-39

9690

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

21614

Females

9279

F18-39

9279

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

20973

Females

8970

F18-39

8970

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

22746

Females

9815

F18-39

9815

Passing Analysis

Category:
Athletes Passed
1294
Passed By
1947
Net Change
-653
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21182
5K → 10K60667-607#21182#21789
10K → 15K114390-276#21789#22065
15K → 20K229115+114#22065#21951
20K → Half1755-38#21951#21989
Half → 25K19087+103#21989#21886
25K → 30K249106+143#21886#21743
30K → 20M10346+57#21743#21686
20M → 21M9842+56#21686#21630
21M → 35K28116-88#21630#21718
35K → 23M50115-65#21718#21783
23M → 24M5378-25#21783#21808
24M → 40K5139+12#21808#21796
40K → 25.2M1914+5#21796#21791
25.2M → Finish3377-44#21791#21835
TOTALS12941947-653
📊

Passing Visuals

Category:
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