Boston Marathon logo
BOSTON MARATHON 2025

Stephanie Mayberg

Bib: 16587•F

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
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
33:21
Rank: #27176
Start → 5K
33:21 | 10:44/mi
10K· 6.21 mi
1:11:45
Rank: #27854 (-678)
5K → 10K
38:24 | 12:22/mi
15K· 9.32 mi
1:50:53
Rank: #27950 (-96)
10K → 15K
39:08 | 12:36/mi
20K· 12.43 mi
2:31:13
Rank: #27927 (+23)
15K → 20K
40:20 | 12:59/mi
Half· 13.11 mi
2:39:41
Rank: #27923 (+4)
20K → Half
8:28 | 12:25/mi
25K· 15.53 mi
3:18:31
Rank: #28117 (-194)
Half → 25K
38:50 | 16:01/mi
30K· 18.64 mi
4:04:18
Rank: #28117
25K → 30K
45:47 | 14:44/mi
20M
4:25:05
Rank: #28130 (-13)
30K → 20M
20:47 | 15:18/mi
21M
4:43:52
Rank: #28189 (-59)
20M → 21M
18:47 | 18:47/mi
35K· 21.75 mi
4:54:44
Rank: #28195 (-6)
21M → 35K
10:52 | 14:32/mi
23M
5:13:31
Rank: #28193 (+2)
35K → 23M
18:47 | 15:00/mi
24M
5:27:08
Rank: #28181 (+12)
23M → 24M
13:37 | 13:37/mi
40K· 24.85 mi
5:41:31
Rank: #28209 (-28)
24M → 40K
14:23 | 16:49/mi
25.2M
5:47:11
Rank: #28213 (-4)
40K → 25.2M
5:40 | 16:26/mi
Finish· 26.22 mi
6:00:43
Rank: #28205 (+8)
25.2M → Finish
13:32 | 13:17/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
Time2:39:41
Pace12:11 /mi
2nd Half
Distance13.11 mi
Time3:21:02
Pace15:20 /mi
📊Positive Split: 25.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:06:4033:2110:4433:21
10:44
-
10K
6.21 mi11:45:041:11:4511:3338:24
12:22
+1:38
15K
9.32 mi12:24:121:50:5311:5439:08
12:36
+0:14
20K
12.43 mi13:04:322:31:1312:1040:20
12:59
+0:23
Half
13.11 mi13:13:002:39:4112:118:28
12:25
-0:34
25K
15.53 mi13:51:503:18:3112:4738:50
16:01
+3:36
30K
18.64 mi14:37:374:04:1813:0645:47
14:44
-1:17
20M
20.00 mi14:58:244:25:0513:1520:47
15:18
+0:34
21M
21.00 mi15:17:114:43:5213:3118:47
18:47
+3:29
35K
21.75 mi15:28:034:54:4413:3310:52
14:32
-4:15
23M
23.00 mi15:46:505:13:3113:3818:47
15:00
+0:28
24M
24.00 mi16:00:275:27:0813:3813:37
13:37
-1:23
40K
24.85 mi16:14:505:41:3113:4414:23
16:49
+3:12
25.2M
25.20 mi16:20:305:47:1113:475:40
16:26
-0:23
Finish
26.22 mi16:34:026:00:4313:4613:32
13:17
-3:09

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

10:44 /mi

Average Pace

13:46 /mi

Slowest Pace

18:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:13

48% of race

Time at Steady Pace

1:49:50

30% of race

Time at Slower Pace

1:17:40

22% of race

Average Pace: 13:45 /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 mi11:06:4033:2110:4433:21
10:44
#27176
10K
6.21 mi11:45:041:11:4511:3338:24
12:22
#27854
15K
9.32 mi12:24:121:50:5311:5439:08
12:36
#27950
20K
12.43 mi13:04:322:31:1312:1040:20
12:59
#27927
Half
13.11 mi13:13:002:39:4112:118:28
12:25
#27923
25K
15.53 mi13:51:503:18:3112:4738:50
16:01
#28117
30K
18.64 mi14:37:374:04:1813:0645:47
14:44
#28117
20M
20.00 mi14:58:244:25:0513:1520:47
15:18
#28130
21M
21.00 mi15:17:114:43:5213:3118:47
18:47
#28189
35K
21.75 mi15:28:034:54:4413:3310:52
14:32
#28195
23M
23.00 mi15:46:505:13:3113:3818:47
15:00
#28193
24M
24.00 mi16:00:275:27:0813:3813:37
13:37
#28181
40K
24.85 mi16:14:505:41:3113:4414:23
16:49
#28209
25.2M
25.20 mi16:20:305:47:1113:475:40
16:26
#28213
Finish
26.22 mi16:34:026:00:4313:4613:32
13:17
#28205
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi27176114341143427984(Top 99%)11966(Top 98%)11966(Top 697%)
10K6.21 mi3.10 mi27854-67811862-42811862-42828125(Top 99%)12054(Top 99%)12054(Top 702%)
15K9.32 mi3.11 mi27950-9611938-7611938-7627984(Top 99%)11966(Top 98%)11966(Top 697%)
20K12.43 mi3.11 mi27927+2311929+911929+927816(Top 98%)11881(Top 97%)11881(Top 692%)
Half13.11 mi0.68 mi27923+411925+411925+427719(Top 98%)11837(Top 97%)11837(Top 689%)
25K15.53 mi2.42 mi28117-19412054-12912054-12928341(Top 100%)12200(Top 100%)12200(Top 710%)
30K18.64 mi3.11 mi2811712058-412058-427913(Top 98%)12004(Top 98%)12004(Top 699%)
20M20.00 mi1.36 mi28130-1312071-1312071-1327976(Top 98%)12043(Top 98%)12043(Top 701%)
21M21.00 mi1.00 mi28189-5912114-4312114-4328333(Top 100%)12199(Top 100%)12199(Top 710%)
35K21.75 mi0.75 mi28195-612118-412118-427928(Top 98%)12055(Top 99%)12055(Top 702%)
23M23.00 mi1.25 mi28193+212123-512123-527916(Top 98%)12057(Top 99%)12057(Top 702%)
24M24.00 mi1.00 mi28181+1212116+712116+727415(Top 97%)11854(Top 97%)11854(Top 690%)
40K24.85 mi0.85 mi28209-2812134-1812134-1828223(Top 99%)12176(Top 100%)12176(Top 709%)
25.2M25.20 mi0.35 mi28213-412137-312137-327880(Top 98%)12062(Top 99%)12062(Top 702%)
Finish26.22 mi1.02 mi28205+812135+212135+227760(Top 98%)11982(Top 98%)11982(Top 697%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21stories
+97ft-345ft

Overall

27984

Females

11966

F40-44

11966

5K→10K

3.1 - 6.2 mi

Top 99%
×5stories
+79ft-138ft

Overall

28125

Females

12054

F40-44

12054

10K→15K

6.2 - 9.3 mi

Top 99%
×3stories
+67ft-78ft

Overall

27984

Females

11966

F40-44

11966

15K→20K

9.3 - 12.4 mi

Top 98%
×5stories
+106ft-86ft

Overall

27816

Females

11881

F40-44

11881

20K→Half

12.4 - 13.1 mi

Top 98%
×2stories
+19ft-37ft

Overall

27719

Females

11837

F40-44

11837

Half→25K

13.1 - 15.5 mi

Top 100%
×4stories
+66ft-88ft

Overall

28341

Females

12200

F40-44

12200

25K→30K

15.5 - 18.6 mi

Top 98%
×9stories
+181ft-148ft

Overall

27913

Females

12004

F40-44

12004

30K→20M

18.6 - 20.0 mi

Top 98%
×5stories
+64ft-50ft

Overall

27976

Females

12043

F40-44

12043

20M→21M

20.0 - 21.0 mi

Top 100%
×8stories
+106ft-24ft

Overall

28333

Females

12199

F40-44

12199

21M→35K

21.0 - 21.8 mi

Top 98%
×7stories
+17ft-86ft

Overall

27928

Females

12055

F40-44

12055

35K→23M

21.8 - 23.0 mi

Top 98%
×5stories
+23ft-63ft

Overall

27916

Females

12057

F40-44

12057

23M→24M

23.0 - 24.0 mi

Top 97%
×6stories
+12ft-82ft

Overall

27415

Females

11854

F40-44

11854

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

28223

Females

12176

F40-44

12176

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

27880

Females

12062

F40-44

12062

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2stories
+22ft-21ft

Overall

27760

Females

11982

F40-44

11982

Passing Analysis

Category:
Athletes Passed
200
Passed By
1229
Net Change
-1029
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27176
5K → 10K5683-678#27176#27854
10K → 15K27123-96#27854#27950
15K → 20K5936+23#27950#27927
20K → Half128+4#27927#27923
Half → 25K6200-194#27923#28117
25K → 30K31310#28117#28117
30K → 20M922-13#28117#28130
20M → 21M362-59#28130#28189
21M → 35K612-6#28189#28195
35K → 23M1311+2#28195#28193
23M → 24M153+12#28193#28181
24M → 40K129-28#28181#28209
40K → 25.2M37-4#28209#28213
25.2M → Finish102+8#28213#28205
TOTALS2001229-1029
📊

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