Boston Marathon logo
BOSTON MARATHON 2025

Sarah Stone

Bib: 20784•F

WA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 43%
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:41
Rank: #16170
Start → 5K
24:41 | 7:57/mi
10K· 6.21 mi
49:46
Rank: #16596 (-426)
5K → 10K
25:05 | 8:04/mi
15K· 9.32 mi
1:15:05
Rank: #16755 (-159)
10K → 15K
25:19 | 8:09/mi
20K· 12.43 mi
1:40:51
Rank: #16798 (-43)
15K → 20K
25:46 | 8:18/mi
Half· 13.11 mi
1:46:26
Rank: #16812 (-14)
20K → Half
5:35 | 8:11/mi
25K· 15.53 mi
2:07:28
Rank: #16994 (-182)
Half → 25K
21:02 | 8:41/mi
30K· 18.64 mi
2:36:00
Rank: #17258 (-264)
25K → 30K
28:32 | 9:11/mi
20M
2:49:01
Rank: #17465 (-207)
30K → 20M
13:01 | 9:35/mi
21M
2:59:53
Rank: #17795 (-330)
20M → 21M
10:52 | 10:52/mi
35K· 21.75 mi
3:06:39
Rank: #17815 (-20)
21M → 35K
6:46 | 9:03/mi
23M
3:18:29
Rank: #17856 (-41)
35K → 23M
11:50 | 9:27/mi
24M
3:27:35
Rank: #17839 (+17)
23M → 24M
9:06 | 9:06/mi
40K· 24.85 mi
3:35:28
Rank: #17822 (+17)
24M → 40K
7:53 | 9:13/mi
25.2M
3:39:18
Rank: #17909 (-87)
40K → 25.2M
3:50 | 11:07/mi
Finish· 26.22 mi
3:48:08
Rank: #17877 (+32)
25.2M → Finish
8:50 | 8:40/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
Time1:46:26
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time2:01:42
Pace9:17 /mi
📊Positive Split: 14.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:4024:417:5724:41
7:57
-
10K
6.21 mi11:44:4549:468:0125:05
8:04
+0:07
15K
9.32 mi12:10:041:15:058:0325:19
8:09
+0:05
20K
12.43 mi12:35:501:40:518:0725:46
8:18
+0:09
Half
13.11 mi12:41:251:46:268:075:35
8:11
-0:07
25K
15.53 mi13:02:272:07:288:1221:02
8:41
+0:30
30K
18.64 mi13:30:592:36:008:2228:32
9:11
+0:30
20M
20.00 mi13:44:002:49:018:2713:01
9:35
+0:24
21M
21.00 mi13:54:522:59:538:3410:52
10:52
+1:17
35K
21.75 mi14:01:383:06:398:356:46
9:03
-1:49
23M
23.00 mi14:13:283:18:298:3811:50
9:27
+0:24
24M
24.00 mi14:22:343:27:358:399:06
9:06
-0:21
40K
24.85 mi14:30:273:35:288:407:53
9:13
+0:07
25.2M
25.20 mi14:34:173:39:188:423:50
11:07
+1:54
Finish
26.22 mi14:43:073:48:088:428:50
8:40
-2:27

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

7:57 /mi

Average Pace

8:42 /mi

Slowest Pace

11:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:26

47% of race

Time at Steady Pace

1:33:59

41% of race

Time at Slower Pace

27:43

12% of race

Average Pace: 8:42 /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 mi11:19:4024:417:5724:41
7:57
#16170
10K
6.21 mi11:44:4549:468:0125:05
8:04
#16596
15K
9.32 mi12:10:041:15:058:0325:19
8:09
#16755
20K
12.43 mi12:35:501:40:518:0725:46
8:18
#16798
Half
13.11 mi12:41:251:46:268:075:35
8:11
#16812
25K
15.53 mi13:02:272:07:288:1221:02
8:41
#16994
30K
18.64 mi13:30:592:36:008:2228:32
9:11
#17258
20M
20.00 mi13:44:002:49:018:2713:01
9:35
#17465
21M
21.00 mi13:54:522:59:538:3410:52
10:52
#17795
35K
21.75 mi14:01:383:06:398:356:46
9:03
#17815
23M
23.00 mi14:13:283:18:298:3811:50
9:27
#17856
24M
24.00 mi14:22:343:27:358:399:06
9:06
#17839
40K
24.85 mi14:30:273:35:288:407:53
9:13
#17822
25.2M
25.20 mi14:34:173:39:188:423:50
11:07
#17909
Finish
26.22 mi14:43:073:48:088:428:50
8:40
#17877
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi161705248524817088(Top 60%)5784(Top 47%)5784(Top 337%)
10K6.21 mi3.10 mi16596-4265494-2465494-24617032(Top 60%)5724(Top 47%)5724(Top 333%)
15K9.32 mi3.11 mi16755-1595584-905584-9017088(Top 60%)5784(Top 47%)5784(Top 337%)
20K12.43 mi3.11 mi16798-435618-345618-3416920(Top 60%)5734(Top 47%)5734(Top 334%)
Half13.11 mi0.68 mi16812-145615+35615+317244(Top 61%)5909(Top 48%)5909(Top 344%)
25K15.53 mi2.42 mi16994-1825759-1445759-14418251(Top 64%)6564(Top 54%)6564(Top 382%)
30K18.64 mi3.11 mi17258-2645968-2095968-20918580(Top 65%)6877(Top 56%)6877(Top 400%)
20M20.00 mi1.36 mi17465-2076127-1596127-15919525(Top 69%)7534(Top 62%)7534(Top 439%)
21M21.00 mi1.00 mi17795-3306321-1946321-19421040(Top 74%)8461(Top 69%)8461(Top 492%)
35K21.75 mi0.75 mi17815-206340-196340-1918467(Top 65%)7167(Top 59%)7167(Top 417%)
23M23.00 mi1.25 mi17856-416415-756415-7518478(Top 65%)7220(Top 59%)7220(Top 420%)
24M24.00 mi1.00 mi17839+176446-316446-3117899(Top 63%)6976(Top 57%)6976(Top 406%)
40K24.85 mi0.85 mi17822+176449-36449-317467(Top 61%)6843(Top 56%)6843(Top 398%)
25.2M25.20 mi0.35 mi17909-876507-586507-5821003(Top 74%)8647(Top 71%)8647(Top 503%)
Finish26.22 mi1.02 mi17877+326503+46503+417307(Top 61%)6710(Top 55%)6710(Top 391%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

17088

Females

5784

F40-44

5784

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

17032

Females

5724

F40-44

5724

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

17088

Females

5784

F40-44

5784

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

16920

Females

5734

F40-44

5734

20K→Half

12.4 - 13.1 mi

Top 61%
×2stories
+19ft-37ft

Overall

17244

Females

5909

F40-44

5909

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

18251

Females

6564

F40-44

6564

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

18580

Females

6877

F40-44

6877

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

19525

Females

7534

F40-44

7534

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

21040

Females

8461

F40-44

8461

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

18467

Females

7167

F40-44

7167

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

18478

Females

7220

F40-44

7220

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

17899

Females

6976

F40-44

6976

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17467

Females

6843

F40-44

6843

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

21003

Females

8647

F40-44

8647

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

17307

Females

6710

F40-44

6710

Passing Analysis

Category:
Athletes Passed
1284
Passed By
2991
Net Change
-1707
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16170
5K → 10K158584-426#16170#16596
10K → 15K159318-159#16596#16755
15K → 20K183226-43#16755#16798
20K → Half3246-14#16798#16812
Half → 25K97279-182#16812#16994
25K → 30K149413-264#16994#17258
30K → 20M60267-207#17258#17465
20M → 21M39369-330#17465#17795
21M → 35K6080-20#17795#17815
35K → 23M90131-41#17815#17856
23M → 24M8871+17#17856#17839
24M → 40K6649+17#17839#17822
40K → 25.2M1198-87#17822#17909
25.2M → Finish9260+32#17909#17877
TOTALS12842991-1707
📊

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