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BOSTON MARATHON 2025

Sara Kenefick

Bib: 9754•F

NC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 22%
Gender (Female)
#0 / 12228
Top 6%
Division (F18-39)
#0 / 5469
Top 11%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:30
Rank: #7236
Start → 5K
21:30 | 6:55/mi
10K· 6.21 mi
42:34
Rank: #6768 (+468)
5K → 10K
21:04 | 6:47/mi
15K· 9.32 mi
1:03:33
Rank: #6390 (+378)
10K → 15K
20:59 | 6:45/mi
20K· 12.43 mi
1:24:58
Rank: #6286 (+104)
15K → 20K
21:25 | 6:54/mi
Half· 13.11 mi
1:29:35
Rank: #6269 (+17)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:46:21
Rank: #6133 (+136)
Half → 25K
16:46 | 6:55/mi
30K· 18.64 mi
2:08:29
Rank: #5915 (+218)
25K → 30K
22:08 | 7:07/mi
20M
2:18:26
Rank: #5886 (+29)
30K → 20M
9:57 | 7:19/mi
21M
2:26:19
Rank: #5858 (+28)
20M → 21M
7:53 | 7:53/mi
35K· 21.75 mi
2:31:27
Rank: #5793 (+65)
21M → 35K
5:08 | 6:52/mi
23M
2:40:44
Rank: #5731 (+62)
35K → 23M
9:17 | 7:25/mi
24M
2:48:11
Rank: #5745 (-14)
23M → 24M
7:27 | 7:27/mi
40K· 24.85 mi
2:54:57
Rank: #5814 (-69)
24M → 40K
6:46 | 7:55/mi
25.2M
2:58:06
Rank: #5888 (-74)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:06:38
Rank: #6161 (-273)
25.2M → Finish
8:32 | 8:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:35
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:37:03
Pace7:24 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:5421:306:5521:30
6:55
-
10K
6.21 mi11:08:5842:346:5121:04
6:47
-0:08
15K
9.32 mi11:29:571:03:336:4920:59
6:45
-0:02
20K
12.43 mi11:51:221:24:586:5021:25
6:54
+0:09
Half
13.11 mi11:55:591:29:356:504:37
6:46
-0:08
25K
15.53 mi12:12:451:46:216:5116:46
6:55
+0:09
30K
18.64 mi12:34:532:08:296:5422:08
7:07
+0:12
20M
20.00 mi12:44:502:18:266:559:57
7:19
+0:12
21M
21.00 mi12:52:432:26:196:587:53
7:53
+0:34
35K
21.75 mi12:57:512:31:276:585:08
6:52
-1:01
23M
23.00 mi13:07:082:40:446:599:17
7:25
+0:33
24M
24.00 mi13:14:352:48:117:007:27
7:27
+0:02
40K
24.85 mi13:21:212:54:577:026:46
7:55
+0:28
25.2M
25.20 mi13:24:302:58:067:043:09
9:08
+1:13
Finish
26.22 mi13:33:023:06:387:078:32
8:22
-0:46

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

6:45 /mi

Average Pace

7:07 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

25:36

14% of race

Time at Steady Pace

2:14:42

72% of race

Time at Slower Pace

26:20

14% of race

Average Pace: 7:07 /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 mi10:47:5421:306:5521:30
6:55
#7236
10K
6.21 mi11:08:5842:346:5121:04
6:47
#6768
15K
9.32 mi11:29:571:03:336:4920:59
6:45
#6390
20K
12.43 mi11:51:221:24:586:5021:25
6:54
#6286
Half
13.11 mi11:55:591:29:356:504:37
6:46
#6269
25K
15.53 mi12:12:451:46:216:5116:46
6:55
#6133
30K
18.64 mi12:34:532:08:296:5422:08
7:07
#5915
20M
20.00 mi12:44:502:18:266:559:57
7:19
#5886
21M
21.00 mi12:52:432:26:196:587:53
7:53
#5858
35K
21.75 mi12:57:512:31:276:585:08
6:52
#5793
23M
23.00 mi13:07:082:40:446:599:17
7:25
#5731
24M
24.00 mi13:14:352:48:117:007:27
7:27
#5745
40K
24.85 mi13:21:212:54:577:026:46
7:55
#5814
25.2M
25.20 mi13:24:302:58:067:043:09
9:08
#5888
Finish
26.22 mi13:33:023:06:387:078:32
8:22
#6161
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi72367457455658(Top 20%)480(Top 4%)480(Top 9%)
10K6.21 mi3.10 mi6768+468642+103642+1036208(Top 22%)543(Top 4%)543(Top 10%)
15K9.32 mi3.11 mi6390+378560+82560+825658(Top 20%)480(Top 4%)480(Top 9%)
20K12.43 mi3.11 mi6286+104563-3563-36156(Top 22%)590(Top 5%)590(Top 11%)
Half13.11 mi0.68 mi6269+17566-3566-35953(Top 21%)551(Top 5%)551(Top 10%)
25K15.53 mi2.42 mi6133+136559+7559+75794(Top 20%)550(Top 4%)550(Top 10%)
30K18.64 mi3.11 mi5915+218531+28531+285464(Top 19%)545(Top 4%)545(Top 10%)
20M20.00 mi1.36 mi5886+29541-10541-105949(Top 21%)769(Top 6%)769(Top 14%)
21M21.00 mi1.00 mi5858+28546-5546-56708(Top 24%)1177(Top 10%)1177(Top 22%)
35K21.75 mi0.75 mi5793+65542+4542+44544(Top 16%)500(Top 4%)500(Top 9%)
23M23.00 mi1.25 mi5731+62545-3545-36148(Top 22%)1073(Top 9%)1073(Top 20%)
24M24.00 mi1.00 mi5745-14564-19564-197367(Top 26%)1597(Top 13%)1597(Top 29%)
40K24.85 mi0.85 mi5814-69598-34598-349576(Top 34%)2701(Top 22%)2701(Top 49%)
25.2M25.20 mi0.35 mi5888-74620-22620-2212561(Top 44%)4240(Top 35%)4240(Top 78%)
Finish26.22 mi1.02 mi6161-273713-93713-9315391(Top 54%)5680(Top 46%)5680(Top 104%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5658

Females

480

F18-39

480

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

6208

Females

543

F18-39

543

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5658

Females

480

F18-39

480

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

6156

Females

590

F18-39

590

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5953

Females

551

F18-39

551

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5794

Females

550

F18-39

550

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5464

Females

545

F18-39

545

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5949

Females

769

F18-39

769

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6708

Females

1177

F18-39

1177

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4544

Females

500

F18-39

500

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

6148

Females

1073

F18-39

1073

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

7367

Females

1597

F18-39

1597

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9576

Females

2701

F18-39

2701

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12561

Females

4240

F18-39

4240

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

15391

Females

5680

F18-39

5680

Passing Analysis

Category:
Athletes Passed
2060
Passed By
985
Net Change
+1075
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7236
5K → 10K50739+468#7236#6768
10K → 15K40123+378#6768#6390
15K → 20K18682+104#6390#6286
20K → Half3619+17#6286#6269
Half → 25K18549+136#6269#6133
25K → 30K29274+218#6133#5915
30K → 20M8556+29#5915#5886
20M → 21M7850+28#5886#5858
21M → 35K738+65#5858#5793
35K → 23M10644+62#5793#5731
23M → 24M5367-14#5731#5745
24M → 40K33102-69#5745#5814
40K → 25.2M1084-74#5814#5888
25.2M → Finish15288-273#5888#6161
TOTALS2060985+1075
📊

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