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BOSTON MARATHON 2025

Carolyn Kensett

Bib: 25557•F

KS

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F70-74)
#0 / 71
Top 46%
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
10:40/mi
33:09
↑ 97↓ 3451.5%
10K· 6.21 mi
10:41/mi
1:06:19
↑ 79↓ 1380.4%
15K· 9.32 mi
10:28/mi
1:38:50
↑ 67↓ 78
20K· 12.43 mi
10:40/mi
2:11:58
↑ 106↓ 860.1%
Half· 13.11 mi
10:26/mi
2:19:05
↑ 19↓ 370.5%
25K· 15.53 mi
10:48/mi
2:45:17
↑ 66↓ 880.2%
30K· 18.64 mi
11:17/mi
3:20:21
↑ 181↓ 1480.2%
20M
11:46/mi
3:36:20
↑ 64↓ 500.2%
21M
12:01/mi
3:48:21
↑ 106↓ 241.6%
35K· 21.75 mi
11:10/mi
3:56:42
↑ 17↓ 861.7%
23M
11:36/mi
4:11:13
↑ 23↓ 630.6%
24M
11:10/mi
4:22:23
↓ 821.3%
40K· 24.85 mi
11:21/mi
4:32:05
↓ 200.3%
25.2M
12:31/mi
4:36:24
↑ 13↓ 160.2%
Finish· 26.22 mi
10:00/mi
4:46:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:19:05
Pace10:37 /mi
2nd Half
Distance13.11 mi
Time2:27:30
Pace11:15 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:0933:0910:4033:09
10:40
-
10K
6.21 mi12:24:191:06:1910:4033:10
10:41
+0:01
15K
9.32 mi12:56:501:38:5010:3632:31
10:28
-0:13
20K
12.43 mi13:29:582:11:5810:3733:08
10:40
+0:12
Half
13.11 mi13:37:052:19:0510:377:07
10:26
-0:14
25K
15.53 mi14:03:172:45:1710:3826:12
10:48
+0:22
30K
18.64 mi14:38:213:20:2110:4535:04
11:17
+0:29
20M
20.00 mi14:54:203:36:2010:4915:59
11:46
+0:29
21M
21.00 mi15:06:213:48:2110:5212:01
12:01
+0:15
35K
21.75 mi15:14:423:56:4210:538:21
11:10
-0:51
23M
23.00 mi15:29:134:11:1310:5514:31
11:36
+0:26
24M
24.00 mi15:40:234:22:2310:5611:10
11:10
-0:26
40K
24.85 mi15:50:054:32:0510:579:42
11:21
+0:11
25.2M
25.20 mi15:54:244:36:2410:584:19
12:31
+1:10
Finish
26.22 mi16:04:354:46:3510:5610:11
10:00
-2:31

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

10:00 /mi

Average Pace

10:56 /mi

Slowest Pace

12:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:28

61% of race

Time at Steady Pace

1:04:17

22% of race

Time at Slower Pace

46:50

16% of race

Average Pace: 10:56 /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 mi11:51:0933:0910:4033:09
10:40
#27077
10K
6.21 mi12:24:191:06:1910:4033:10
10:41
#26804
15K
9.32 mi12:56:501:38:5010:3632:31
10:28
#26463
20K
12.43 mi13:29:582:11:5810:3733:08
10:40
#26197
Half
13.11 mi13:37:052:19:0510:377:07
10:26
#26154
25K
15.53 mi14:03:172:45:1710:3826:12
10:48
#25937
30K
18.64 mi14:38:213:20:2110:4535:04
11:17
#25671
20M
20.00 mi14:54:203:36:2010:4915:59
11:46
#25608
21M
21.00 mi15:06:213:48:2110:5212:01
12:01
#25506
35K
21.75 mi15:14:423:56:4210:538:21
11:10
#25476
23M
23.00 mi15:29:134:11:1310:5514:31
11:36
#25425
24M
24.00 mi15:40:234:22:2310:5611:10
11:10
#25383
40K
24.85 mi15:50:054:32:0510:579:42
11:21
#25336
25.2M
25.20 mi15:54:244:36:2410:584:19
12:31
#25320
Finish
26.22 mi16:04:354:46:3510:5610:11
10:00
#25268
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF70-74Seg. OverallSeg. FemalesSeg. F70-74
5K3.11 mi3.11 mi27077113721137225859(Top 91%)10711(Top 88%)10711(Top 15086%)
10K6.21 mi3.10 mi26804+27311223+14911223+14926553(Top 93%)11093(Top 91%)11093(Top 15624%)
15K9.32 mi3.11 mi26463+34111031+19211031+19225859(Top 91%)10711(Top 88%)10711(Top 15086%)
20K12.43 mi3.11 mi26197+26610885+14610885+14625477(Top 90%)10516(Top 86%)10516(Top 14811%)
Half13.11 mi0.68 mi26154+4310867+1810867+1825653(Top 90%)10634(Top 87%)10634(Top 14977%)
25K15.53 mi2.42 mi25937+21710760+10710760+10724909(Top 88%)10236(Top 84%)10236(Top 14417%)
30K18.64 mi3.11 mi25671+26610656+10410656+10424519(Top 86%)10141(Top 83%)10141(Top 14283%)
20M20.00 mi1.36 mi25608+6310631+2510631+2524927(Top 88%)10435(Top 85%)10435(Top 14697%)
21M21.00 mi1.00 mi25506+10210581+5010581+5023605(Top 83%)9819(Top 80%)9819(Top 13830%)
35K21.75 mi0.75 mi25476+3010578+310578+324514(Top 86%)10343(Top 85%)10343(Top 14568%)
23M23.00 mi1.25 mi25425+5110569+910569+924395(Top 86%)10296(Top 84%)10296(Top 14501%)
24M24.00 mi1.00 mi25383+4210550+1910550+1924300(Top 86%)10273(Top 84%)10273(Top 14469%)
40K24.85 mi0.85 mi25336+4710529+2110529+2123826(Top 84%)10089(Top 83%)10089(Top 14210%)
25.2M25.20 mi0.35 mi25320+1610525+410525+424169(Top 85%)10261(Top 84%)10261(Top 14452%)
Finish26.22 mi1.02 mi25268+5210504+2110504+2122889(Top 81%)9617(Top 79%)9617(Top 13545%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

25859

Females

10711

F70-74

10711

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

26553

Females

11093

F70-74

11093

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

25859

Females

10711

F70-74

10711

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

25477

Females

10516

F70-74

10516

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

25653

Females

10634

F70-74

10634

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

24909

Females

10236

F70-74

10236

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

24519

Females

10141

F70-74

10141

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

24927

Females

10435

F70-74

10435

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

23605

Females

9819

F70-74

9819

21M→35K

21.0 - 21.8 mi

Top 86%
×7story building
+17ft-86ft

Overall

24514

Females

10343

F70-74

10343

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

24395

Females

10296

F70-74

10296

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

24300

Females

10273

F70-74

10273

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23826

Females

10089

F70-74

10089

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24169

Females

10261

F70-74

10261

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

22889

Females

9617

F70-74

9617

Passing Analysis

Category:
Athletes Passed
2005
Passed By
196
Net Change
+1809
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27077
5K → 10K31239+273#27077#26804
10K → 15K35110+341#26804#26463
15K → 20K29024+266#26463#26197
20K → Half463+43#26197#26154
Half → 25K23013+217#26154#25937
25K → 30K28014+266#25937#25671
30K → 20M8118+63#25671#25608
20M → 21M1064+102#25608#25506
21M → 35K4010+30#25506#25476
35K → 23M7120+51#25476#25425
23M → 24M6119+42#25425#25383
24M → 40K5912+47#25383#25336
40K → 25.2M204+16#25336#25320
25.2M → Finish586+52#25320#25268
TOTALS2005196+1809
📊

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