Boston Marathon logo
BOSTON MARATHON 2025

Monica Henry

Bib: 26874•F

GA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
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
11:49/mi
36:42
↑ 97↓ 3451.5%
10K· 6.21 mi
12:20/mi
1:15:02
↑ 79↓ 1380.4%
15K· 9.32 mi
12:43/mi
1:54:32
↑ 67↓ 78
20K· 12.43 mi
13:12/mi
2:35:32
↑ 106↓ 860.1%
Half· 13.11 mi
12:10/mi
2:43:50
↑ 19↓ 370.5%
25K· 15.53 mi
13:57/mi
3:17:40
↑ 66↓ 880.2%
30K· 18.64 mi
13:47/mi
4:00:28
↑ 181↓ 1480.2%
20M
13:16/mi
4:18:30
↑ 64↓ 500.2%
21M
14:30/mi
4:33:00
↑ 106↓ 241.6%
35K· 21.75 mi
13:01/mi
4:42:44
↑ 17↓ 861.7%
23M
13:33/mi
4:59:42
↑ 23↓ 630.6%
24M
14:01/mi
5:13:43
↓ 821.3%
40K· 24.85 mi
13:13/mi
5:25:01
↓ 200.3%
25.2M
14:59/mi
5:30:11
↑ 13↓ 160.2%
Finish· 26.22 mi
12:38/mi
5:43:03
↑ 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
Time2:43:50
Pace12:30 /mi
2nd Half
Distance13.11 mi
Time2:59:13
Pace13:40 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:3236:4211:4936:42
11:49
-
10K
6.21 mi12:33:521:15:0212:0538:20
12:20
+0:31
15K
9.32 mi13:13:221:54:3212:1739:30
12:43
+0:23
20K
12.43 mi13:54:222:35:3212:3141:00
13:12
+0:29
Half
13.11 mi14:02:402:43:5012:308:18
12:10
-1:02
25K
15.53 mi14:36:303:17:4012:4333:50
13:57
+1:47
30K
18.64 mi15:19:184:00:2812:5442:48
13:47
-0:10
20M
20.00 mi15:37:204:18:3012:5518:02
13:16
-0:31
21M
21.00 mi15:51:504:33:0013:0014:30
14:30
+1:14
35K
21.75 mi16:01:344:42:4413:009:44
13:01
-1:29
23M
23.00 mi16:18:324:59:4213:0216:58
13:33
+0:32
24M
24.00 mi16:32:335:13:4313:0414:01
14:01
+0:28
40K
24.85 mi16:43:515:25:0113:0511:18
13:13
-0:48
25.2M
25.20 mi16:49:015:30:1113:065:10
14:59
+1:46
Finish
26.22 mi17:01:535:43:0313:0612:52
12:38
-2:21

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

11:49 /mi

Average Pace

13:06 /mi

Slowest Pace

14:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:42

40% of race

Time at Steady Pace

1:37:02

28% of race

Time at Slower Pace

1:50:19

32% of race

Average Pace: 13:05 /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 mi11:55:3236:4211:4936:42
11:49
#28189
10K
6.21 mi12:33:521:15:0212:0538:20
12:20
#28167
15K
9.32 mi13:13:221:54:3212:1739:30
12:43
#28146
20K
12.43 mi13:54:222:35:3212:3141:00
13:12
#28114
Half
13.11 mi14:02:402:43:5012:308:18
12:10
#28094
25K
15.53 mi14:36:303:17:4012:4333:50
13:57
#28081
30K
18.64 mi15:19:184:00:2812:5442:48
13:47
#27995
20M
20.00 mi15:37:204:18:3012:5518:02
13:16
#27946
21M
21.00 mi15:51:504:33:0013:0014:30
14:30
#27912
35K
21.75 mi16:01:344:42:4413:009:44
13:01
#27890
23M
23.00 mi16:18:324:59:4213:0216:58
13:33
#27855
24M
24.00 mi16:32:335:13:4313:0414:01
14:01
#27853
40K
24.85 mi16:43:515:25:0113:0511:18
13:13
#27821
25.2M
25.20 mi16:49:015:30:1113:065:10
14:59
#27819
Finish
26.22 mi17:01:535:43:0313:0612:52
12:38
#27809
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi28189120871208728052(Top 99%)12007(Top 98%)12007(Top 662%)
10K6.21 mi3.10 mi28167+2212077+1012077+1028116(Top 99%)12047(Top 99%)12047(Top 664%)
15K9.32 mi3.11 mi28146+2112062+1512062+1528052(Top 99%)12007(Top 98%)12007(Top 662%)
20K12.43 mi3.11 mi28114+3212046+1612046+1627930(Top 98%)11951(Top 98%)11951(Top 659%)
Half13.11 mi0.68 mi28094+2012037+912037+927563(Top 97%)11750(Top 96%)11750(Top 648%)
25K15.53 mi2.42 mi28081+1312026+1112026+1127856(Top 98%)11923(Top 98%)11923(Top 658%)
30K18.64 mi3.11 mi27995+8611986+4011986+4027345(Top 96%)11685(Top 96%)11685(Top 645%)
20M20.00 mi1.36 mi27946+4911965+2111965+2126695(Top 94%)11400(Top 93%)11400(Top 629%)
21M21.00 mi1.00 mi27912+3411949+1611949+1626704(Top 94%)11424(Top 93%)11424(Top 630%)
35K21.75 mi0.75 mi27890+2211935+1411935+1426969(Top 95%)11576(Top 95%)11576(Top 638%)
23M23.00 mi1.25 mi27855+3511928+711928+726921(Top 95%)11567(Top 95%)11567(Top 638%)
24M24.00 mi1.00 mi27853+211929-111929-127653(Top 97%)11967(Top 98%)11967(Top 660%)
40K24.85 mi0.85 mi27821+3211915+1411915+1426505(Top 93%)11392(Top 93%)11392(Top 628%)
25.2M25.20 mi0.35 mi27819+211917-211917-227098(Top 95%)11714(Top 96%)11714(Top 646%)
Finish26.22 mi1.02 mi27809+1011919-211919-227370(Top 96%)11807(Top 97%)11807(Top 651%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

28052

Females

12007

F45-49

12007

5K→10K

3.1 - 6.2 mi

Top 99%
×5story building
+79ft-138ft

Overall

28116

Females

12047

F45-49

12047

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

28052

Females

12007

F45-49

12007

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

27930

Females

11951

F45-49

11951

20K→Half

12.4 - 13.1 mi

Top 97%
×2story building
+19ft-37ft

Overall

27563

Females

11750

F45-49

11750

Half→25K

13.1 - 15.5 mi

Top 98%
×4story building
+66ft-88ft

Overall

27856

Females

11923

F45-49

11923

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

27345

Females

11685

F45-49

11685

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

26695

Females

11400

F45-49

11400

20M→21M

20.0 - 21.0 mi

Top 94%
×8story building
+106ft-24ft

Overall

26704

Females

11424

F45-49

11424

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

26969

Females

11576

F45-49

11576

35K→23M

21.8 - 23.0 mi

Top 95%
×5story building
+23ft-63ft

Overall

26921

Females

11567

F45-49

11567

23M→24M

23.0 - 24.0 mi

Top 97%
×6story building
+12ft-82ft

Overall

27653

Females

11967

F45-49

11967

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

26505

Females

11392

F45-49

11392

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

27098

Females

11714

F45-49

11714

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2story building
+22ft-21ft

Overall

27370

Females

11807

F45-49

11807

Passing Analysis

Category:
Athletes Passed
547
Passed By
167
Net Change
+380
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28189
5K → 10K5230+22#28189#28167
10K → 15K4322+21#28167#28146
15K → 20K5927+32#28146#28114
20K → Half222+20#28114#28094
Half → 25K3320+13#28094#28081
25K → 30K959+86#28081#27995
30K → 20M556+49#27995#27946
20M → 21M395+34#27946#27912
21M → 35K308+22#27912#27890
35K → 23M383+35#27890#27855
23M → 24M1412+2#27855#27853
24M → 40K364+32#27853#27821
40K → 25.2M97+2#27821#27819
25.2M → Finish2212+10#27819#27809
TOTALS547167+380
📊

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