Boston Marathon logo
BOSTON MARATHON 2025

Brittany Beyers

Bib: 22230•F

MI

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 (F45-49)
#0 / 1813
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
8:08/mi
25:15
↑ 97↓ 3451.5%
10K· 6.21 mi
8:10/mi
50:38
↑ 79↓ 1380.4%
15K· 9.32 mi
8:12/mi
1:16:07
↑ 67↓ 78
20K· 12.43 mi
8:20/mi
1:42:01
↑ 106↓ 860.1%
Half· 13.11 mi
8:24/mi
1:47:45
↑ 19↓ 370.5%
25K· 15.53 mi
8:31/mi
2:08:25
↑ 66↓ 880.2%
30K· 18.64 mi
9:13/mi
2:37:02
↑ 181↓ 1480.2%
20M
9:19/mi
2:49:42
↑ 64↓ 500.2%
21M
10:00/mi
2:59:42
↑ 106↓ 241.6%
35K· 21.75 mi
9:00/mi
3:06:26
↑ 17↓ 861.7%
23M
9:30/mi
3:18:20
↑ 23↓ 630.6%
24M
9:07/mi
3:27:27
↓ 821.3%
40K· 24.85 mi
9:25/mi
3:35:30
↓ 200.3%
25.2M
10:12/mi
3:39:01
↑ 13↓ 160.2%
Finish· 26.22 mi
8:58/mi
3:48:09
↑ 22↓ 21

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
Time1:47:45
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time2:00:24
Pace9:11 /mi
📊Positive Split: 11.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:4625:158:0825:15
8:08
-
10K
6.21 mi11:47:0950:388:0925:23
8:10
+0:02
15K
9.32 mi12:12:381:16:078:1025:29
8:12
+0:02
20K
12.43 mi12:38:321:42:018:1325:54
8:20
+0:08
Half
13.11 mi12:44:161:47:458:135:44
8:24
+0:04
25K
15.53 mi13:04:562:08:258:1620:40
8:31
+0:07
30K
18.64 mi13:33:332:37:028:2528:37
9:13
+0:42
20M
20.00 mi13:46:132:49:428:2912:40
9:19
+0:06
21M
21.00 mi13:56:132:59:428:3310:00
10:00
+0:41
35K
21.75 mi14:02:573:06:268:346:44
9:00
-1:00
23M
23.00 mi14:14:513:18:208:3711:54
9:30
+0:30
24M
24.00 mi14:23:583:27:278:399:07
9:07
-0:23
40K
24.85 mi14:32:013:35:308:408:03
9:25
+0:18
25.2M
25.20 mi14:35:323:39:018:413:31
10:12
+0:47
Finish
26.22 mi14:44:403:48:098:429:08
8:58
-1:14

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

8:08 /mi

Average Pace

8:42 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:25

56% of race

Time at Steady Pace

1:06:16

29% of race

Time at Slower Pace

33:28

15% 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 mi11:21:4625:158:0825:15
8:08
#17568
10K
6.21 mi11:47:0950:388:0925:23
8:10
#17633
15K
9.32 mi12:12:381:16:078:1025:29
8:12
#17542
20K
12.43 mi12:38:321:42:018:1325:54
8:20
#17403
Half
13.11 mi12:44:161:47:458:135:44
8:24
#17465
25K
15.53 mi13:04:562:08:258:1620:40
8:31
#17391
30K
18.64 mi13:33:332:37:028:2528:37
9:13
#17625
20M
20.00 mi13:46:132:49:428:2912:40
9:19
#17677
21M
21.00 mi13:56:132:59:428:3310:00
10:00
#17738
35K
21.75 mi14:02:573:06:268:346:44
9:00
#17750
23M
23.00 mi14:14:513:18:208:3711:54
9:30
#17811
24M
24.00 mi14:23:583:27:278:399:07
9:07
#17793
40K
24.85 mi14:32:013:35:308:408:03
9:25
#17828
25.2M
25.20 mi14:35:323:39:018:413:31
10:12
#17834
Finish
26.22 mi14:44:403:48:098:429:08
8:58
#17881
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi175686075607517418(Top 61%)5967(Top 49%)5967(Top 329%)
10K6.21 mi3.10 mi17633-656115-406115-4017707(Top 62%)6123(Top 50%)6123(Top 338%)
15K9.32 mi3.11 mi17542+916036+796036+7917418(Top 61%)5967(Top 49%)5967(Top 329%)
20K12.43 mi3.11 mi17403+1395976+605976+6017153(Top 60%)5859(Top 48%)5859(Top 323%)
Half13.11 mi0.68 mi17465-626013-376013-3718646(Top 66%)6705(Top 55%)6705(Top 370%)
25K15.53 mi2.42 mi17391+745992+215992+2117358(Top 61%)6060(Top 50%)6060(Top 334%)
30K18.64 mi3.11 mi17625-2346198-2066198-20618688(Top 66%)6944(Top 57%)6944(Top 383%)
20M20.00 mi1.36 mi17677-526253-556253-5518399(Top 65%)6948(Top 57%)6948(Top 383%)
21M21.00 mi1.00 mi17738-616292-396292-3918296(Top 64%)6943(Top 57%)6943(Top 383%)
35K21.75 mi0.75 mi17750-126308-166308-1618248(Top 64%)7040(Top 58%)7040(Top 388%)
23M23.00 mi1.25 mi17811-616389-816389-8118730(Top 66%)7365(Top 60%)7365(Top 406%)
24M24.00 mi1.00 mi17793+186421-326421-3217978(Top 63%)7025(Top 57%)7025(Top 387%)
40K24.85 mi0.85 mi17828-356451-306451-3018359(Top 65%)7308(Top 60%)7308(Top 403%)
25.2M25.20 mi0.35 mi17834-66466-156466-1517904(Top 63%)7082(Top 58%)7082(Top 391%)
Finish26.22 mi1.02 mi17881-476505-396505-3918856(Top 66%)7516(Top 61%)7516(Top 415%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

17418

Females

5967

F45-49

5967

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

17707

Females

6123

F45-49

6123

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

17418

Females

5967

F45-49

5967

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

17153

Females

5859

F45-49

5859

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

18646

Females

6705

F45-49

6705

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

17358

Females

6060

F45-49

6060

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

18688

Females

6944

F45-49

6944

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

18399

Females

6948

F45-49

6948

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

18296

Females

6943

F45-49

6943

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

18248

Females

7040

F45-49

7040

35K→23M

21.8 - 23.0 mi

Top 66%
×5story building
+23ft-63ft

Overall

18730

Females

7365

F45-49

7365

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

17978

Females

7025

F45-49

7025

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18359

Females

7308

F45-49

7308

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17904

Females

7082

F45-49

7082

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

18856

Females

7516

F45-49

7516

Passing Analysis

Category:
Athletes Passed
1677
Passed By
1990
Net Change
-313
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17568
5K → 10K253318-65#17568#17633
10K → 15K240149+91#17633#17542
15K → 20K251112+139#17542#17403
20K → Half1577-62#17403#17465
Half → 25K201127+74#17465#17391
25K → 30K153387-234#17391#17625
30K → 20M105157-52#17625#17677
20M → 21M78139-61#17677#17738
21M → 35K6274-12#17738#17750
35K → 23M92153-61#17750#17811
23M → 24M9375+18#17811#17793
24M → 40K4378-35#17793#17828
40K → 25.2M3339-6#17828#17834
25.2M → Finish58105-47#17834#17881
TOTALS16771990-313
📊

Passing Visuals

Category:
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