Boston Marathon logo
BOSTON MARATHON 2025

Sarah Kelley

Bib: 22041•F

CO

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 47%
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:41
Rank: #18527
Start → 5K
25:41 | 8:16/mi
10K· 6.21 mi
51:16
Rank: #18308 (+219)
5K → 10K
25:35 | 8:14/mi
15K· 9.32 mi
1:17:26
Rank: #18456 (-148)
10K → 15K
26:10 | 8:25/mi
20K· 12.43 mi
1:44:20
Rank: #18630 (-174)
15K → 20K
26:54 | 8:39/mi
Half· 13.11 mi
1:50:08
Rank: #18652 (-22)
20K → Half
5:48 | 8:30/mi
25K· 15.53 mi
2:11:29
Rank: #18687 (-35)
Half → 25K
21:21 | 8:48/mi
30K· 18.64 mi
2:39:44
Rank: #18564 (+123)
25K → 30K
28:15 | 9:06/mi
20M
2:52:37
Rank: #18599 (-35)
30K → 20M
12:53 | 9:29/mi
21M
3:02:37
Rank: #18596 (+3)
20M → 21M
10:00 | 10:00/mi
35K· 21.75 mi
3:09:15
Rank: #18561 (+35)
21M → 35K
6:38 | 8:52/mi
23M
3:20:52
Rank: #18478 (+83)
35K → 23M
11:37 | 9:17/mi
24M
3:30:05
Rank: #18482 (-4)
23M → 24M
9:13 | 9:13/mi
40K· 24.85 mi
3:38:14
Rank: #18485 (-3)
24M → 40K
8:09 | 9:32/mi
25.2M
3:41:52
Rank: #18509 (-24)
40K → 25.2M
3:38 | 10:32/mi
Finish· 26.22 mi
3:51:00
Rank: #18544 (-35)
25.2M → Finish
9:08 | 8:58/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:08
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time2:00:52
Pace9:13 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:4325:418:1625:41
8:16
-
10K
6.21 mi11:47:1851:168:1525:35
8:14
-0:02
15K
9.32 mi12:13:281:17:268:1826:10
8:25
+0:11
20K
12.43 mi12:40:221:44:208:2426:54
8:39
+0:14
Half
13.11 mi12:46:101:50:088:245:48
8:30
-0:09
25K
15.53 mi13:07:312:11:298:2821:21
8:48
+0:18
30K
18.64 mi13:35:462:39:448:3428:15
9:06
+0:18
20M
20.00 mi13:48:392:52:378:3812:53
9:29
+0:23
21M
21.00 mi13:58:393:02:378:4210:00
10:00
+0:31
35K
21.75 mi14:05:173:09:158:426:38
8:52
-1:08
23M
23.00 mi14:16:543:20:528:4411:37
9:17
+0:25
24M
24.00 mi14:26:073:30:058:459:13
9:13
-0:04
40K
24.85 mi14:34:163:38:148:478:09
9:32
+0:19
25.2M
25.20 mi14:37:543:41:528:483:38
10:32
+1:00
Finish
26.22 mi14:47:023:51:008:499:08
8:58
-1:34

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

8:14 /mi

Average Pace

8:49 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:08

48% of race

Time at Steady Pace

1:14:35

32% of race

Time at Slower Pace

46:17

20% of race

Average Pace: 8:49 /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 mi11:21:4325:418:1625:41
8:16
#18527
10K
6.21 mi11:47:1851:168:1525:35
8:14
#18308
15K
9.32 mi12:13:281:17:268:1826:10
8:25
#18456
20K
12.43 mi12:40:221:44:208:2426:54
8:39
#18630
Half
13.11 mi12:46:101:50:088:245:48
8:30
#18652
25K
15.53 mi13:07:312:11:298:2821:21
8:48
#18687
30K
18.64 mi13:35:462:39:448:3428:15
9:06
#18564
20M
20.00 mi13:48:392:52:378:3812:53
9:29
#18599
21M
21.00 mi13:58:393:02:378:4210:00
10:00
#18596
35K
21.75 mi14:05:173:09:158:426:38
8:52
#18561
23M
23.00 mi14:16:543:20:528:4411:37
9:17
#18478
24M
24.00 mi14:26:073:30:058:459:13
9:13
#18482
40K
24.85 mi14:34:163:38:148:478:09
9:32
#18485
25.2M
25.20 mi14:37:543:41:528:483:38
10:32
#18509
Finish
26.22 mi14:47:023:51:008:499:08
8:58
#18544
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi185276647664718848(Top 66%)6808(Top 56%)6808(Top 376%)
10K6.21 mi3.10 mi18308+2196512+1356512+13518142(Top 64%)6388(Top 52%)6388(Top 352%)
15K9.32 mi3.11 mi18456-1486600-886600-8818848(Top 66%)6808(Top 56%)6808(Top 376%)
20K12.43 mi3.11 mi18630-1746690-906690-9019195(Top 68%)7020(Top 57%)7020(Top 387%)
Half13.11 mi0.68 mi18652-226708-186708-1819259(Top 68%)7050(Top 58%)7050(Top 389%)
25K15.53 mi2.42 mi18687-356740-326740-3218972(Top 67%)6963(Top 57%)6963(Top 384%)
30K18.64 mi3.11 mi18564+1236693+476693+4718163(Top 64%)6672(Top 55%)6672(Top 368%)
20M20.00 mi1.36 mi18599-356743-506743-5019092(Top 67%)7308(Top 60%)7308(Top 403%)
21M21.00 mi1.00 mi18596+36773-306773-3018302(Top 64%)6949(Top 57%)6949(Top 383%)
35K21.75 mi0.75 mi18561+356773677317632(Top 62%)6707(Top 55%)6707(Top 370%)
23M23.00 mi1.25 mi18478+836749+246749+2417701(Top 62%)6843(Top 56%)6843(Top 377%)
24M24.00 mi1.00 mi18482-46782-336782-3318442(Top 65%)7271(Top 59%)7271(Top 401%)
40K24.85 mi0.85 mi18485-36817-356817-3518852(Top 66%)7552(Top 62%)7552(Top 417%)
25.2M25.20 mi0.35 mi18509-246838-216838-2119170(Top 67%)7725(Top 63%)7725(Top 426%)
Finish26.22 mi1.02 mi18544-356877-396877-3918864(Top 66%)7524(Top 62%)7524(Top 415%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

18848

Females

6808

F45-49

6808

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

18142

Females

6388

F45-49

6388

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

18848

Females

6808

F45-49

6808

15K→20K

9.3 - 12.4 mi

Top 68%
×5stories
+106ft-86ft

Overall

19195

Females

7020

F45-49

7020

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

19259

Females

7050

F45-49

7050

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

18972

Females

6963

F45-49

6963

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

18163

Females

6672

F45-49

6672

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

19092

Females

7308

F45-49

7308

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

18302

Females

6949

F45-49

6949

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

17632

Females

6707

F45-49

6707

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

17701

Females

6843

F45-49

6843

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

18442

Females

7271

F45-49

7271

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18852

Females

7552

F45-49

7552

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

19170

Females

7725

F45-49

7725

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

18864

Females

7524

F45-49

7524

Passing Analysis

Category:
Athletes Passed
1785
Passed By
1802
Net Change
-17
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18527
5K → 10K382163+219#18527#18308
10K → 15K137285-148#18308#18456
15K → 20K141315-174#18456#18630
20K → Half3153-22#18630#18652
Half → 25K156191-35#18652#18687
25K → 30K298175+123#18687#18564
30K → 20M98133-35#18564#18599
20M → 21M110107+3#18599#18596
21M → 35K6934+35#18596#18561
35K → 23M14158+83#18561#18478
23M → 24M7478-4#18478#18482
24M → 40K7275-3#18482#18485
40K → 25.2M2347-24#18485#18509
25.2M → Finish5388-35#18509#18544
TOTALS17851802-17
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing