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BOSTON MARATHON 2025

Brigid Kennedy

Bib: 11514•F

RI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 26%
Gender (Female)
#0 / 12228
Top 9%
Division (F18-39)
#0 / 5469
Top 17%
Race Day Weather
50°/40°F
broken 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
7:03/mi
21:55
↑ 97↓ 3451.5%
10K· 6.21 mi
7:00/mi
43:41
↑ 79↓ 1380.4%
15K· 9.32 mi
7:00/mi
1:05:27
↑ 67↓ 78
20K· 12.43 mi
6:59/mi
1:27:10
↑ 106↓ 860.1%
Half· 13.11 mi
6:53/mi
1:31:52
↑ 19↓ 370.5%
25K· 15.53 mi
7:02/mi
1:48:56
↑ 66↓ 880.2%
30K· 18.64 mi
7:00/mi
2:10:41
↑ 181↓ 1480.2%
20M
7:13/mi
2:20:30
↑ 64↓ 500.2%
21M
7:48/mi
2:28:18
↑ 106↓ 241.6%
35K· 21.75 mi
7:02/mi
2:33:34
↑ 17↓ 861.7%
23M
8:33/mi
2:44:16
↑ 23↓ 630.6%
24M
8:17/mi
2:52:33
↓ 821.3%
40K· 24.85 mi
8:42/mi
2:59:59
↓ 200.3%
25.2M
8:56/mi
3:03:04
↑ 13↓ 160.2%
Finish· 26.22 mi
7:44/mi
3:10:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:52
Pace7:00 /mi
2nd Half
Distance13.11 mi
Time1:39:05
Pace7:34 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:4421:557:0321:55
7:03
-
10K
6.21 mi11:16:3043:417:0221:46
7:00
-0:03
15K
9.32 mi11:38:161:05:277:0121:46
7:00
0:00
20K
12.43 mi11:59:591:27:107:0121:43
6:59
-0:01
Half
13.11 mi12:04:411:31:527:004:42
6:53
-0:06
25K
15.53 mi12:21:451:48:567:0117:04
7:02
+0:09
30K
18.64 mi12:43:302:10:417:0121:45
7:00
-0:02
20M
20.00 mi12:53:192:20:307:019:49
7:13
+0:13
21M
21.00 mi13:01:072:28:187:047:48
7:48
+0:35
35K
21.75 mi13:06:232:33:347:045:16
7:02
-0:46
23M
23.00 mi13:17:052:44:167:0910:42
8:33
+1:31
24M
24.00 mi13:25:222:52:337:118:17
8:17
-0:16
40K
24.85 mi13:32:482:59:597:147:26
8:42
+0:25
25.2M
25.20 mi13:35:533:03:047:163:05
8:56
+0:14
Finish
26.22 mi13:43:463:10:577:177:53
7:44
-1:12

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

6:53 /mi

Average Pace

7:17 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:25:46

76% of race

Time at Slower Pace

45:11

24% of race

Average Pace: 7:17 /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 mi10:54:4421:557:0321:55
7:03
#8267
10K
6.21 mi11:16:3043:417:0221:46
7:00
#8100
15K
9.32 mi11:38:161:05:277:0121:46
7:00
#7918
20K
12.43 mi11:59:591:27:107:0121:43
6:59
#7583
Half
13.11 mi12:04:411:31:527:004:42
6:53
#7545
25K
15.53 mi12:21:451:48:567:0117:04
7:02
#7344
30K
18.64 mi12:43:302:10:417:0121:45
7:00
#6738
20M
20.00 mi12:53:192:20:307:019:49
7:13
#6542
21M
21.00 mi13:01:072:28:187:047:48
7:48
#6456
35K
21.75 mi13:06:232:33:347:045:16
7:02
#6381
23M
23.00 mi13:17:052:44:167:0910:42
8:33
#6685
24M
24.00 mi13:25:222:52:337:118:17
8:17
#6934
40K
24.85 mi13:32:482:59:597:147:26
8:42
#7167
25.2M
25.20 mi13:35:533:03:047:163:05
8:56
#7218
Finish
26.22 mi13:43:463:10:577:177:53
7:44
#7319
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8267108410847676(Top 27%)926(Top 8%)926(Top 17%)
10K6.21 mi3.10 mi8100+1671030+541030+547969(Top 28%)994(Top 8%)994(Top 18%)
15K9.32 mi3.11 mi7918+182969+61969+617676(Top 27%)926(Top 8%)926(Top 17%)
20K12.43 mi3.11 mi7583+335879+90879+906833(Top 24%)740(Top 6%)740(Top 14%)
Half13.11 mi0.68 mi7545+38872+7872+76900(Top 24%)758(Top 6%)758(Top 14%)
25K15.53 mi2.42 mi7344+201825+47825+476593(Top 23%)749(Top 6%)749(Top 14%)
30K18.64 mi3.11 mi6738+606711+114711+1144699(Top 17%)404(Top 3%)404(Top 7%)
20M20.00 mi1.36 mi6542+196687+24687+245371(Top 19%)611(Top 5%)611(Top 11%)
21M21.00 mi1.00 mi6456+86683+4683+46217(Top 22%)995(Top 8%)995(Top 18%)
35K21.75 mi0.75 mi6381+75681+2681+25691(Top 20%)826(Top 7%)826(Top 15%)
23M23.00 mi1.25 mi6685-304793-112793-11213589(Top 48%)4573(Top 37%)4573(Top 84%)
24M24.00 mi1.00 mi6934-249898-105898-10513144(Top 46%)4383(Top 36%)4383(Top 80%)
40K24.85 mi0.85 mi7167-2331000-1021000-10214577(Top 51%)5276(Top 43%)5276(Top 96%)
25.2M25.20 mi0.35 mi7218-511030-301030-3011474(Top 40%)3711(Top 30%)3711(Top 68%)
Finish26.22 mi1.02 mi7319-1011097-671097-6710965(Top 39%)3433(Top 28%)3433(Top 63%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

7676

Females

926

F18-39

926

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

7969

Females

994

F18-39

994

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

7676

Females

926

F18-39

926

15K→20K

9.3 - 12.4 mi

Top 24%
×5story building
+106ft-86ft

Overall

6833

Females

740

F18-39

740

20K→Half

12.4 - 13.1 mi

Top 24%
×2story building
+19ft-37ft

Overall

6900

Females

758

F18-39

758

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

6593

Females

749

F18-39

749

25K→30K

15.5 - 18.6 mi

Top 17%
×9story building
+181ft-148ft

Overall

4699

Females

404

F18-39

404

30K→20M

18.6 - 20.0 mi

Top 19%
×5story building
+64ft-50ft

Overall

5371

Females

611

F18-39

611

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

6217

Females

995

F18-39

995

21M→35K

21.0 - 21.8 mi

Top 20%
×7story building
+17ft-86ft

Overall

5691

Females

826

F18-39

826

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

13589

Females

4573

F18-39

4573

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

13144

Females

4383

F18-39

4383

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

14577

Females

5276

F18-39

5276

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11474

Females

3711

F18-39

3711

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

10965

Females

3433

F18-39

3433

Passing Analysis

Category:
Athletes Passed
2306
Passed By
1358
Net Change
+948
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8267
5K → 10K304137+167#8267#8100
10K → 15K24462+182#8100#7918
15K → 20K34813+335#7918#7583
20K → Half479+38#7583#7545
Half → 25K22322+201#7545#7344
25K → 30K6082+606#7344#6738
30K → 20M20711+196#6738#6542
20M → 21M11327+86#6542#6456
21M → 35K8611+75#6456#6381
35K → 23M31335-304#6381#6685
23M → 24M31280-249#6685#6934
24M → 40K16249-233#6934#7167
40K → 25.2M1768-51#7167#7218
25.2M → Finish31132-101#7218#7319
TOTALS23061358+948
📊

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