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BOSTON MARATHON 2025

Karen Carone

Bib: 32404•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:13
Rank: #23924
Start → 5K
29:13 | 9:24/mi
10K· 6.21 mi
59:45
Rank: #24491 (-567)
5K → 10K
30:32 | 9:50/mi
15K· 9.32 mi
1:31:07
Rank: #24765 (-274)
10K → 15K
31:22 | 10:06/mi
20K· 12.43 mi
2:02:40
Rank: #24690 (+75)
15K → 20K
31:33 | 10:09/mi
Half· 13.11 mi
2:09:24
Rank: #24678 (+12)
20K → Half
6:44 | 9:52/mi
25K· 15.53 mi
2:35:31
Rank: #24741 (-63)
Half → 25K
26:07 | 10:46/mi
30K· 18.64 mi
3:11:46
Rank: #24841 (-100)
25K → 30K
36:15 | 11:40/mi
20M
3:27:51
Rank: #24872 (-31)
30K → 20M
16:05 | 11:50/mi
21M
3:40:50
Rank: #24891 (-19)
20M → 21M
12:59 | 12:59/mi
35K· 21.75 mi
3:50:01
Rank: #24977 (-86)
21M → 35K
9:11 | 12:17/mi
23M
4:05:27
Rank: #25023 (-46)
35K → 23M
15:26 | 12:20/mi
24M
4:17:33
Rank: #25061 (-38)
23M → 24M
12:06 | 12:06/mi
40K· 24.85 mi
4:28:01
Rank: #25086 (-25)
24M → 40K
10:28 | 12:14/mi
25.2M
4:32:32
Rank: #25085 (+1)
40K → 25.2M
4:31 | 13:06/mi
Finish· 26.22 mi
4:44:10
Rank: #25129 (-44)
25.2M → Finish
11:38 | 11:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:24
Pace9:52 /mi
2nd Half
Distance13.11 mi
Time2:34:46
Pace11:48 /mi
📊Positive Split: 19.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:5229:139:2429:13
9:24
-
10K
6.21 mi12:23:2459:459:3730:32
9:50
+0:26
15K
9.32 mi12:54:461:31:079:4731:22
10:06
+0:16
20K
12.43 mi13:26:192:02:409:5231:33
10:09
+0:03
Half
13.11 mi13:33:032:09:249:526:44
9:52
-0:17
25K
15.53 mi13:59:102:35:3110:0126:07
10:46
+0:54
30K
18.64 mi14:35:253:11:4610:1736:15
11:40
+0:54
20M
20.00 mi14:51:303:27:5110:2416:05
11:50
+0:10
21M
21.00 mi15:04:293:40:5010:3112:59
12:59
+1:09
35K
21.75 mi15:13:403:50:0110:359:11
12:17
-0:42
23M
23.00 mi15:29:064:05:2710:4015:26
12:20
+0:03
24M
24.00 mi15:41:124:17:3310:4412:06
12:06
-0:14
40K
24.85 mi15:51:404:28:0110:4710:28
12:14
+0:08
25.2M
25.20 mi15:56:114:32:3210:494:31
13:06
+0:52
Finish
26.22 mi16:07:494:44:1010:5111:38
11:25
-1:41

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

9:24 /mi

Average Pace

10:51 /mi

Slowest Pace

13:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:31

55% of race

Time at Steady Pace

1:26:32

30% of race

Time at Slower Pace

42:07

15% of race

Average Pace: 10:50 /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 mi11:52:5229:139:2429:13
9:24
#23924
10K
6.21 mi12:23:2459:459:3730:32
9:50
#24491
15K
9.32 mi12:54:461:31:079:4731:22
10:06
#24765
20K
12.43 mi13:26:192:02:409:5231:33
10:09
#24690
Half
13.11 mi13:33:032:09:249:526:44
9:52
#24678
25K
15.53 mi13:59:102:35:3110:0126:07
10:46
#24741
30K
18.64 mi14:35:253:11:4610:1736:15
11:40
#24841
20M
20.00 mi14:51:303:27:5110:2416:05
11:50
#24872
21M
21.00 mi15:04:293:40:5010:3112:59
12:59
#24891
35K
21.75 mi15:13:403:50:0110:359:11
12:17
#24977
23M
23.00 mi15:29:064:05:2710:4015:26
12:20
#25023
24M
24.00 mi15:41:124:17:3310:4412:06
12:06
#25061
40K
24.85 mi15:51:404:28:0110:4710:28
12:14
#25086
25.2M
25.20 mi15:56:114:32:3210:494:31
13:06
#25085
Finish
26.22 mi16:07:494:44:1010:5111:38
11:25
#25129
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi239249661966125188(Top 89%)10330(Top 84%)10330(Top 793%)
10K6.21 mi3.10 mi24491-5679946-2859946-28524919(Top 88%)10189(Top 83%)10189(Top 782%)
15K9.32 mi3.11 mi24765-27410096-15010096-15025188(Top 89%)10330(Top 84%)10330(Top 793%)
20K12.43 mi3.11 mi24690+7510066+3010066+3024537(Top 86%)10008(Top 82%)10008(Top 768%)
Half13.11 mi0.68 mi24678+1210060+610060+624523(Top 86%)10017(Top 82%)10017(Top 769%)
25K15.53 mi2.42 mi24741-6310115-5510115-5524843(Top 87%)10203(Top 83%)10203(Top 783%)
30K18.64 mi3.11 mi24841-10010191-7610191-7625089(Top 88%)10456(Top 86%)10456(Top 802%)
20M20.00 mi1.36 mi24872-3110226-3510226-3525023(Top 88%)10486(Top 86%)10486(Top 805%)
21M21.00 mi1.00 mi24891-1910251-2510251-2525008(Top 88%)10574(Top 86%)10574(Top 812%)
35K21.75 mi0.75 mi24977-8610298-4710298-4726201(Top 92%)11193(Top 92%)11193(Top 859%)
23M23.00 mi1.25 mi25023-4610342-4410342-4425555(Top 90%)10887(Top 89%)10887(Top 836%)
24M24.00 mi1.00 mi25061-3810372-3010372-3025780(Top 91%)11019(Top 90%)11019(Top 846%)
40K24.85 mi0.85 mi25086-2510392-2010392-2025284(Top 89%)10810(Top 88%)10810(Top 830%)
25.2M25.20 mi0.35 mi25085+110397-510397-525130(Top 88%)10752(Top 88%)10752(Top 825%)
Finish26.22 mi1.02 mi25129-4410428-3110428-3126007(Top 92%)11149(Top 91%)11149(Top 856%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

25188

Females

10330

F50-54

10330

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

24919

Females

10189

F50-54

10189

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

25188

Females

10330

F50-54

10330

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

24537

Females

10008

F50-54

10008

20K→Half

12.4 - 13.1 mi

Top 86%
×2stories
+19ft-37ft

Overall

24523

Females

10017

F50-54

10017

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

24843

Females

10203

F50-54

10203

25K→30K

15.5 - 18.6 mi

Top 88%
×9stories
+181ft-148ft

Overall

25089

Females

10456

F50-54

10456

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

25023

Females

10486

F50-54

10486

20M→21M

20.0 - 21.0 mi

Top 88%
×8stories
+106ft-24ft

Overall

25008

Females

10574

F50-54

10574

21M→35K

21.0 - 21.8 mi

Top 92%
×7stories
+17ft-86ft

Overall

26201

Females

11193

F50-54

11193

35K→23M

21.8 - 23.0 mi

Top 90%
×5stories
+23ft-63ft

Overall

25555

Females

10887

F50-54

10887

23M→24M

23.0 - 24.0 mi

Top 91%
×6stories
+12ft-82ft

Overall

25780

Females

11019

F50-54

11019

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

25284

Females

10810

F50-54

10810

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

25130

Females

10752

F50-54

10752

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2stories
+22ft-21ft

Overall

26007

Females

11149

F50-54

11149

Passing Analysis

Category:
Athletes Passed
725
Passed By
1930
Net Change
-1205
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23924
5K → 10K65632-567#23924#24491
10K → 15K62336-274#24491#24765
15K → 20K175100+75#24765#24690
20K → Half3119+12#24690#24678
Half → 25K78141-63#24678#24741
25K → 30K102202-100#24741#24841
30K → 20M4475-31#24841#24872
20M → 21M4867-19#24872#24891
21M → 35K1399-86#24891#24977
35K → 23M3379-46#24977#25023
23M → 24M2260-38#25023#25061
24M → 40K2449-25#25061#25086
40K → 25.2M1514+1#25086#25085
25.2M → Finish1357-44#25085#25129
TOTALS7251930-1205
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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