Boston Marathon logo
BOSTON MARATHON 2024

Rebecca Brown

Bib: 25425•F

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F45-49)
#0 / 1753
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:09/mi
31:33
↑ 97↓ 3451.5%
10K· 6.21 mi
10:04/mi
1:02:50
↑ 79↓ 1380.4%
15K· 9.32 mi
11:19/mi
1:38:01
↑ 67↓ 78
20K· 12.43 mi
11:30/mi
2:13:45
↑ 106↓ 860.1%
Half· 13.11 mi
10:19/mi
2:20:47
↑ 19↓ 370.5%
25K· 15.53 mi
12:07/mi
2:50:09
↑ 66↓ 880.2%
30K· 18.64 mi
13:02/mi
3:30:38
↑ 181↓ 1480.2%
20M
12:27/mi
3:47:33
↑ 64↓ 500.2%
21M
14:54/mi
4:02:27
↑ 106↓ 241.6%
35K· 21.75 mi
11:58/mi
4:11:24
↑ 17↓ 861.7%
23M
13:15/mi
4:27:59
↑ 23↓ 630.6%
24M
12:31/mi
4:40:30
↓ 821.3%
40K· 24.85 mi
12:48/mi
4:51:27
↓ 200.3%
25.2M
13:17/mi
4:56:02
↑ 13↓ 160.2%
Finish· 26.22 mi
10:39/mi
5:06:53
↑ 22↓ 21

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
Time2:20:47
Pace10:44 /mi
2nd Half
Distance13.11 mi
Time2:46:06
Pace12:40 /mi
📊Positive Split: 18.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:1531:3310:0931:33
10:09
-
10K
6.21 mi12:19:321:02:5010:0731:17
10:04
-0:05
15K
9.32 mi12:54:431:38:0110:3135:11
11:19
+1:15
20K
12.43 mi13:30:272:13:4510:4635:44
11:30
+0:11
Half
13.11 mi13:37:292:20:4710:447:02
10:19
-1:11
25K
15.53 mi14:06:512:50:0910:5729:22
12:07
+1:48
30K
18.64 mi14:47:203:30:3811:1840:29
13:02
+0:55
20M
20.00 mi15:04:153:47:3311:2316:55
12:27
-0:35
21M
21.00 mi15:19:094:02:2711:3314:54
14:54
+2:27
35K
21.75 mi15:28:064:11:2411:348:57
11:58
-2:56
23M
23.00 mi15:44:414:27:5911:3916:35
13:15
+1:17
24M
24.00 mi15:57:124:40:3011:4112:31
12:31
-0:44
40K
24.85 mi16:08:094:51:2711:4410:57
12:48
+0:17
25.2M
25.20 mi16:12:444:56:0211:454:35
13:17
+0:29
Finish
26.22 mi16:23:355:06:5311:4310:51
10:39
-2:38

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

10:04 /mi

Average Pace

11:43 /mi

Slowest Pace

14:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:54

38% of race

Time at Steady Pace

1:43:29

34% of race

Time at Slower Pace

1:27:30

29% of race

Average Pace: 11:42 /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 mi11:48:1531:3310:0931:33
10:09
#23343
10K
6.21 mi12:19:321:02:5010:0731:17
10:04
#23024
15K
9.32 mi12:54:431:38:0110:3135:11
11:19
#23496
20K
12.43 mi13:30:272:13:4510:4635:44
11:30
#23553
Half
13.11 mi13:37:292:20:4710:447:02
10:19
#23481
25K
15.53 mi14:06:512:50:0910:5729:22
12:07
#23475
30K
18.64 mi14:47:203:30:3811:1840:29
13:02
#23480
20M
20.00 mi15:04:153:47:3311:2316:55
12:27
#23368
21M
21.00 mi15:19:094:02:2711:3314:54
14:54
#23361
35K
21.75 mi15:28:064:11:2411:348:57
11:58
#23300
23M
23.00 mi15:44:414:27:5911:3916:35
13:15
#23295
24M
24.00 mi15:57:124:40:3011:4112:31
12:31
#23262
40K
24.85 mi16:08:094:51:2711:4410:57
12:48
#23247
25.2M
25.20 mi16:12:444:56:0211:454:35
13:17
#23218
Finish
26.22 mi16:23:355:06:5311:4310:51
10:39
#23162
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi233439575957524099(Top 94%)10030(Top 92%)10030(Top 572%)
10K6.21 mi3.10 mi23024+3199434+1419434+14122693(Top 89%)9287(Top 85%)9287(Top 530%)
15K9.32 mi3.11 mi23496-4729679-2459679-24524099(Top 94%)10030(Top 92%)10030(Top 572%)
20K12.43 mi3.11 mi23553-579725-469725-4623374(Top 91%)9650(Top 88%)9650(Top 550%)
Half13.11 mi0.68 mi23481+729695+309695+3022305(Top 87%)9125(Top 84%)9125(Top 521%)
25K15.53 mi2.42 mi23475+69713-189713-1823283(Top 91%)9689(Top 89%)9689(Top 553%)
30K18.64 mi3.11 mi23480-59746-339746-3323337(Top 91%)9816(Top 90%)9816(Top 560%)
20M20.00 mi1.36 mi23368+1129717+299717+2922092(Top 86%)9298(Top 85%)9298(Top 530%)
21M21.00 mi1.00 mi23361+79720-39720-323447(Top 92%)10006(Top 92%)10006(Top 571%)
35K21.75 mi0.75 mi23300+619696+249696+2421745(Top 85%)9225(Top 84%)9225(Top 526%)
23M23.00 mi1.25 mi23295+59709-139709-1322901(Top 90%)9790(Top 90%)9790(Top 558%)
24M24.00 mi1.00 mi23262+339697+129697+1222321(Top 87%)9591(Top 88%)9591(Top 547%)
40K24.85 mi0.85 mi23247+159698-19698-121954(Top 86%)9451(Top 87%)9451(Top 539%)
25.2M25.20 mi0.35 mi23218+299686+129686+1220342(Top 80%)8695(Top 80%)8695(Top 496%)
Finish26.22 mi1.02 mi23162+569667+199667+1920445(Top 80%)8701(Top 80%)8701(Top 496%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21story building
+97ft-345ft

Overall

24099

Females

10030

F45-49

10030

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

22693

Females

9287

F45-49

9287

10K→15K

6.2 - 9.3 mi

Top 94%
×3story building
+67ft-78ft

Overall

24099

Females

10030

F45-49

10030

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

23374

Females

9650

F45-49

9650

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

22305

Females

9125

F45-49

9125

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

23283

Females

9689

F45-49

9689

25K→30K

15.5 - 18.6 mi

Top 91%
×9story building
+181ft-148ft

Overall

23337

Females

9816

F45-49

9816

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

22092

Females

9298

F45-49

9298

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

23447

Females

10006

F45-49

10006

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

21745

Females

9225

F45-49

9225

35K→23M

21.8 - 23.0 mi

Top 90%
×5story building
+23ft-63ft

Overall

22901

Females

9790

F45-49

9790

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

22321

Females

9591

F45-49

9591

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

21954

Females

9451

F45-49

9451

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

20342

Females

8695

F45-49

8695

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

20445

Females

8701

F45-49

8701

Passing Analysis

Category:
Athletes Passed
1354
Passed By
1173
Net Change
+181
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23343
5K → 10K40586+319#23343#23024
10K → 15K45517-472#23024#23496
15K → 20K115172-57#23496#23553
20K → Half731+72#23553#23481
Half → 25K108102+6#23481#23475
25K → 30K122127-5#23475#23480
30K → 20M12311+112#23480#23368
20M → 21M5144+7#23368#23361
21M → 35K676+61#23361#23300
35K → 23M5449+5#23300#23295
23M → 24M4916+33#23295#23262
24M → 40K4126+15#23262#23247
40K → 25.2M378+29#23247#23218
25.2M → Finish648+56#23218#23162
TOTALS13541173+181
📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing