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BOSTON MARATHON 2025

Hayley Mccarthy

Bib: 28149•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
35:06
Rank: #27842
Start → 5K
11:18/mi
35:06 split
10K· 6.21 mi
1:10:27
Rank: #27672 (+170)
5K → 10K
11:23/mi
35:21 split
15K· 9.32 mi
1:46:05
Rank: #27519 (+153)
10K → 15K
11:28/mi
35:38 split
20K· 12.43 mi
2:22:44
Rank: #27367 (+152)
15K → 20K
11:48/mi
36:39 split
Half· 13.11 mi
2:30:29
Rank: #27339 (+28)
20K → Half
11:22/mi
7:45 split
25K· 15.53 mi
2:59:08
Rank: #27144 (+195)
Half → 25K
11:49/mi
28:39 split
30K· 18.64 mi
3:37:48
Rank: #27006 (+138)
25K → 30K
12:27/mi
38:40 split
20M
3:54:41
Rank: #26933 (+73)
30K → 20M
12:25/mi
16:53 split
21M
4:07:49
Rank: #26874 (+59)
20M → 21M
13:08/mi
13:08 split
35K· 21.75 mi
4:16:01
Rank: #26800 (+74)
21M → 35K
10:58/mi
8:12 split
23M
4:31:50
Rank: #26765 (+35)
35K → 23M
12:38/mi
15:49 split
24M
4:43:53
Rank: #26724 (+41)
23M → 24M
12:03/mi
12:03 split
40K· 24.85 mi
4:54:23
Rank: #26692 (+32)
24M → 40K
12:17/mi
10:30 split
25.2M
4:58:46
Rank: #26669 (+23)
40K → 25.2M
12:43/mi
4:23 split
Finish· 26.22 mi
5:09:32
Rank: #26625 (+44)
25.2M → Finish
10:34/mi
10:46 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:30:29
Pace11:29 /mi
2nd Half
Distance13.11 mi
Time2:39:03
Pace12:08 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:1535:0611:1835:06
11:18
-
10K
6.21 mi12:27:361:10:2711:2035:21
11:23
+0:05
15K
9.32 mi13:03:141:46:0511:2335:38
11:28
+0:05
20K
12.43 mi13:39:532:22:4411:2936:39
11:48
+0:20
Half
13.11 mi13:47:382:30:2911:297:45
11:22
-0:26
25K
15.53 mi14:16:172:59:0811:3228:39
11:49
+0:27
30K
18.64 mi14:54:573:37:4811:4138:40
12:27
+0:38
20M
20.00 mi15:11:503:54:4111:4416:53
12:25
-0:02
21M
21.00 mi15:24:584:07:4911:4813:08
13:08
+0:43
35K
21.75 mi15:33:104:16:0111:468:12
10:58
-2:10
23M
23.00 mi15:48:594:31:5011:4915:49
12:38
+1:40
24M
24.00 mi16:01:024:43:5311:5012:03
12:03
-0:35
40K
24.85 mi16:11:324:54:2311:5110:30
12:17
+0:14
25.2M
25.20 mi16:15:554:58:4611:514:23
12:43
+0:26
Finish
26.22 mi16:26:415:09:3211:4910:46
10:34
-2:09

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

10:34 /mi

Average Pace

11:49 /mi

Slowest Pace

13:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:48

43% of race

Time at Steady Pace

1:17:21

25% of race

Time at Slower Pace

1:39:23

32% of race

Average Pace: 11:48 /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 mi11:52:1535:0611:1835:06
11:18
#27842
10K
6.21 mi12:27:361:10:2711:2035:21
11:23
#27672
15K
9.32 mi13:03:141:46:0511:2335:38
11:28
#27519
20K
12.43 mi13:39:532:22:4411:2936:39
11:48
#27367
Half
13.11 mi13:47:382:30:2911:297:45
11:22
#27339
25K
15.53 mi14:16:172:59:0811:3228:39
11:49
#27144
30K
18.64 mi14:54:573:37:4811:4138:40
12:27
#27006
20M
20.00 mi15:11:503:54:4111:4416:53
12:25
#26933
21M
21.00 mi15:24:584:07:4911:4813:08
13:08
#26874
35K
21.75 mi15:33:104:16:0111:468:12
10:58
#26800
23M
23.00 mi15:48:594:31:5011:4915:49
12:38
#26765
24M
24.00 mi16:01:024:43:5311:5012:03
12:03
#26724
40K
24.85 mi16:11:324:54:2311:5110:30
12:17
#26692
25.2M
25.20 mi16:15:554:58:4611:514:23
12:43
#26669
Finish
26.22 mi16:26:415:09:3211:4910:46
10:34
#26625
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27842118591185927205(Top 96%)11493(Top 94%)11493(Top 210%)
10K6.21 mi3.10 mi27672+17011752+10711752+10727474(Top 97%)11651(Top 95%)11651(Top 213%)
15K9.32 mi3.11 mi27519+15311670+8211670+8227205(Top 96%)11493(Top 94%)11493(Top 210%)
20K12.43 mi3.11 mi27367+15211578+9211578+9226929(Top 95%)11348(Top 93%)11348(Top 207%)
Half13.11 mi0.68 mi27339+2811566+1211566+1226925(Top 95%)11370(Top 93%)11370(Top 208%)
25K15.53 mi2.42 mi27144+19511463+10311463+10326228(Top 92%)10987(Top 90%)10987(Top 201%)
30K18.64 mi3.11 mi27006+13811397+6611397+6626111(Top 92%)11002(Top 90%)11002(Top 201%)
20M20.00 mi1.36 mi26933+7311364+3311364+3325817(Top 91%)10914(Top 89%)10914(Top 200%)
21M21.00 mi1.00 mi26874+5911339+2511339+2525220(Top 89%)10682(Top 87%)10682(Top 195%)
35K21.75 mi0.75 mi26800+7411309+3011309+3024098(Top 85%)10120(Top 83%)10120(Top 185%)
23M23.00 mi1.25 mi26765+3511293+1611293+1625964(Top 91%)11082(Top 91%)11082(Top 203%)
24M24.00 mi1.00 mi26724+4111285+811285+825731(Top 91%)10996(Top 90%)10996(Top 201%)
40K24.85 mi0.85 mi26692+3211272+1311272+1325346(Top 89%)10842(Top 89%)10842(Top 198%)
25.2M25.20 mi0.35 mi26669+2311262+1011262+1024548(Top 86%)10456(Top 86%)10456(Top 191%)
Finish26.22 mi1.02 mi26625+4411245+1711245+1724410(Top 86%)10360(Top 85%)10360(Top 189%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

27205

Females

11493

F18-39

11493

5K→10K

3.1 - 6.2 mi

Top 97%
×5story building
+79ft-138ft

Overall

27474

Females

11651

F18-39

11651

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

27205

Females

11493

F18-39

11493

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

26929

Females

11348

F18-39

11348

20K→Half

12.4 - 13.1 mi

Top 95%
×2story building
+19ft-37ft

Overall

26925

Females

11370

F18-39

11370

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

26228

Females

10987

F18-39

10987

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

26111

Females

11002

F18-39

11002

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

25817

Females

10914

F18-39

10914

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

25220

Females

10682

F18-39

10682

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

24098

Females

10120

F18-39

10120

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

25964

Females

11082

F18-39

11082

23M→24M

23.0 - 24.0 mi

Top 91%
×6story building
+12ft-82ft

Overall

25731

Females

10996

F18-39

10996

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

25346

Females

10842

F18-39

10842

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24548

Females

10456

F18-39

10456

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

24410

Females

10360

F18-39

10360

Passing Analysis

Category:
Athletes Passed
1381
Passed By
164
Net Change
+1217
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27842
5K → 10K19626+170#27842#27672
10K → 15K17320+153#27672#27519
15K → 20K17018+152#27519#27367
20K → Half346+28#27367#27339
Half → 25K20712+195#27339#27144
25K → 30K15517+138#27144#27006
30K → 20M8512+73#27006#26933
20M → 21M656+59#26933#26874
21M → 35K740+74#26874#26800
35K → 23M5217+35#26800#26765
23M → 24M5716+41#26765#26724
24M → 40K397+32#26724#26692
40K → 25.2M252+23#26692#26669
25.2M → Finish495+44#26669#26625
TOTALS1381164+1217
📊

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