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BOSTON MARATHON 2025

Karen Cotty

Bib: 25335•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F60-64)
#0 / 624
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:20
Rank: #24033
Start → 5K
29:20 | 9:26/mi
10K· 6.21 mi
58:37
Rank: #23980 (+53)
5K → 10K
29:17 | 9:26/mi
15K· 9.32 mi
1:28:23
Rank: #23982 (-2)
10K → 15K
29:46 | 9:35/mi
20K· 12.43 mi
1:59:23
Rank: #24037 (-55)
15K → 20K
31:00 | 9:59/mi
Half· 13.11 mi
2:05:59
Rank: #24034 (+3)
20K → Half
6:36 | 9:40/mi
25K· 15.53 mi
2:31:03
Rank: #24039 (-5)
Half → 25K
25:04 | 10:20/mi
30K· 18.64 mi
3:05:43
Rank: #24141 (-102)
25K → 30K
34:40 | 11:09/mi
20M
3:22:02
Rank: #24263 (-122)
30K → 20M
16:19 | 12:00/mi
21M
3:34:12
Rank: #24227 (+36)
20M → 21M
12:10 | 12:10/mi
35K· 21.75 mi
3:43:01
Rank: #24283 (-56)
21M → 35K
8:49 | 11:47/mi
23M
3:57:52
Rank: #24344 (-61)
35K → 23M
14:51 | 11:52/mi
24M
4:09:58
Rank: #24450 (-106)
23M → 24M
12:06 | 12:06/mi
40K· 24.85 mi
4:21:22
Rank: #24565 (-115)
24M → 40K
11:24 | 13:20/mi
25.2M
4:26:02
Rank: #24599 (-34)
40K → 25.2M
4:40 | 13:32/mi
Finish· 26.22 mi
4:37:04
Rank: #24619 (-20)
25.2M → Finish
11:02 | 10:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:59
Pace9:37 /mi
2nd Half
Distance13.11 mi
Time2:31:05
Pace11:32 /mi
📊Positive Split: 19.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:4229:209:2629:20
9:26
-
10K
6.21 mi11:59:5958:379:2629:17
9:26
0:00
15K
9.32 mi12:29:451:28:239:2929:46
9:35
+0:09
20K
12.43 mi13:00:451:59:239:3631:00
9:59
+0:24
Half
13.11 mi13:07:212:05:599:376:36
9:40
-0:19
25K
15.53 mi13:32:252:31:039:4325:04
10:20
+0:40
30K
18.64 mi14:07:053:05:439:5834:40
11:09
+0:49
20M
20.00 mi14:23:243:22:0210:0616:19
12:00
+0:51
21M
21.00 mi14:35:343:34:1210:1212:10
12:10
+0:10
35K
21.75 mi14:44:233:43:0110:158:49
11:47
-0:23
23M
23.00 mi14:59:143:57:5210:2114:51
11:52
+0:05
24M
24.00 mi15:11:204:09:5810:2512:06
12:06
+0:14
40K
24.85 mi15:22:444:21:2210:3111:24
13:20
+1:14
25.2M
25.20 mi15:27:244:26:0210:334:40
13:32
+0:12
Finish
26.22 mi15:38:264:37:0410:3511:02
10:50
-2:42

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

9:26 /mi

Average Pace

10:35 /mi

Slowest Pace

13:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31:03

55% of race

Time at Steady Pace

54:31

20% of race

Time at Slower Pace

1:11:30

26% of race

Average Pace: 10:34 /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 mi11:30:4229:209:2629:20
9:26
#24033
10K
6.21 mi11:59:5958:379:2629:17
9:26
#23980
15K
9.32 mi12:29:451:28:239:2929:46
9:35
#23982
20K
12.43 mi13:00:451:59:239:3631:00
9:59
#24037
Half
13.11 mi13:07:212:05:599:376:36
9:40
#24034
25K
15.53 mi13:32:252:31:039:4325:04
10:20
#24039
30K
18.64 mi14:07:053:05:439:5834:40
11:09
#24141
20M
20.00 mi14:23:243:22:0210:0616:19
12:00
#24263
21M
21.00 mi14:35:343:34:1210:1212:10
12:10
#24227
35K
21.75 mi14:44:233:43:0110:158:49
11:47
#24283
23M
23.00 mi14:59:143:57:5210:2114:51
11:52
#24344
24M
24.00 mi15:11:204:09:5810:2512:06
12:06
#24450
40K
24.85 mi15:22:444:21:2210:3111:24
13:20
#24565
25.2M
25.20 mi15:27:244:26:0210:334:40
13:32
#24599
Finish
26.22 mi15:38:264:37:0410:3511:02
10:50
#24619
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi240339713971323949(Top 84%)9636(Top 79%)9636(Top 1544%)
10K6.21 mi3.10 mi23980+539676+379676+3723894(Top 84%)9621(Top 79%)9621(Top 1542%)
15K9.32 mi3.11 mi23982-29665+119665+1123949(Top 84%)9636(Top 79%)9636(Top 1544%)
20K12.43 mi3.11 mi24037-559713-489713-4824175(Top 85%)9818(Top 80%)9818(Top 1573%)
Half13.11 mi0.68 mi24034+39711+29711+224003(Top 85%)9714(Top 79%)9714(Top 1557%)
25K15.53 mi2.42 mi24039-59730-199730-1924030(Top 85%)9759(Top 80%)9759(Top 1564%)
30K18.64 mi3.11 mi24141-1029806-769806-7624303(Top 86%)10028(Top 82%)10028(Top 1607%)
20M20.00 mi1.36 mi24263-1229891-859891-8525263(Top 89%)10616(Top 87%)10616(Top 1701%)
21M21.00 mi1.00 mi24227+369887+49887+423860(Top 84%)9955(Top 81%)9955(Top 1595%)
35K21.75 mi0.75 mi24283-569932-459932-4525521(Top 90%)10855(Top 89%)10855(Top 1740%)
23M23.00 mi1.25 mi24344-619973-419973-4124867(Top 88%)10528(Top 86%)10528(Top 1687%)
24M24.00 mi1.00 mi24450-10610042-6910042-6925779(Top 91%)11018(Top 90%)11018(Top 1766%)
40K24.85 mi0.85 mi24565-11510117-7510117-7526607(Top 94%)11449(Top 94%)11449(Top 1835%)
25.2M25.20 mi0.35 mi24599-3410140-2310140-2325674(Top 90%)11027(Top 90%)11027(Top 1767%)
Finish26.22 mi1.02 mi24619-2010163-2310163-2324988(Top 88%)10648(Top 87%)10648(Top 1706%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21stories
+97ft-345ft

Overall

23949

Females

9636

F60-64

9636

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

23894

Females

9621

F60-64

9621

10K→15K

6.2 - 9.3 mi

Top 84%
×3stories
+67ft-78ft

Overall

23949

Females

9636

F60-64

9636

15K→20K

9.3 - 12.4 mi

Top 85%
×5stories
+106ft-86ft

Overall

24175

Females

9818

F60-64

9818

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

24003

Females

9714

F60-64

9714

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

24030

Females

9759

F60-64

9759

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

24303

Females

10028

F60-64

10028

30K→20M

18.6 - 20.0 mi

Top 89%
×5stories
+64ft-50ft

Overall

25263

Females

10616

F60-64

10616

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

23860

Females

9955

F60-64

9955

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

25521

Females

10855

F60-64

10855

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

24867

Females

10528

F60-64

10528

23M→24M

23.0 - 24.0 mi

Top 91%
×6stories
+12ft-82ft

Overall

25779

Females

11018

F60-64

11018

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

26607

Females

11449

F60-64

11449

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

25674

Females

11027

F60-64

11027

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2stories
+22ft-21ft

Overall

24988

Females

10648

F60-64

10648

Passing Analysis

Category:
Athletes Passed
1020
Passed By
1606
Net Change
-586
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24033
5K → 10K256203+53#24033#23980
10K → 15K154156-2#23980#23982
15K → 20K119174-55#23982#24037
20K → Half2825+3#24037#24034
Half → 25K115120-5#24034#24039
25K → 30K111213-102#24039#24141
30K → 20M38160-122#24141#24263
20M → 21M8044+36#24263#24227
21M → 35K1874-56#24227#24283
35K → 23M44105-61#24283#24344
23M → 24M21127-106#24344#24450
24M → 40K4119-115#24450#24565
40K → 25.2M741-34#24565#24599
25.2M → Finish2545-20#24599#24619
TOTALS10201606-586
📊

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