Boston Marathon logo
BOSTON MARATHON 2025

Andrejka Massicotte

Bib: 17956•F

ON

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 34%
Gender (Female)
#0 / 12228
Top 17%
Masters (Masters Women)
#0 / 6759
Top 6%
Division (F45-49)
#0 / 1813
Top 7%
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
7:30/mi
23:17
↑ 97↓ 3451.5%
10K· 6.21 mi
7:31/mi
46:37
↑ 79↓ 1380.4%
15K· 9.32 mi
7:28/mi
1:09:50
↑ 67↓ 78
20K· 12.43 mi
7:31/mi
1:33:12
↑ 106↓ 860.1%
Half· 13.11 mi
7:26/mi
1:38:16
↑ 19↓ 370.5%
25K· 15.53 mi
7:32/mi
1:56:31
↑ 66↓ 880.2%
30K· 18.64 mi
7:40/mi
2:20:21
↑ 181↓ 1480.2%
20M
7:41/mi
2:30:48
↑ 64↓ 500.2%
21M
8:10/mi
2:38:58
↑ 106↓ 241.6%
35K· 21.75 mi
7:24/mi
2:44:30
↑ 17↓ 861.7%
23M
7:38/mi
2:54:03
↑ 23↓ 630.6%
24M
7:33/mi
3:01:36
↓ 821.3%
40K· 24.85 mi
7:40/mi
3:08:09
↓ 200.3%
25.2M
8:13/mi
3:10:59
↑ 13↓ 160.2%
Finish· 26.22 mi
7:22/mi
3:18:29
↑ 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
Time1:38:16
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:40:13
Pace7:39 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:4023:177:3023:17
7:30
-
10K
6.21 mi11:37:0046:377:3023:20
7:31
+0:01
15K
9.32 mi12:00:131:09:507:3023:13
7:28
-0:03
20K
12.43 mi12:23:351:33:127:3023:22
7:31
+0:03
Half
13.11 mi12:28:391:38:167:305:04
7:26
-0:05
25K
15.53 mi12:46:541:56:317:3018:15
7:32
+0:06
30K
18.64 mi13:10:442:20:217:3223:50
7:40
+0:08
20M
20.00 mi13:21:112:30:487:3210:27
7:41
+0:01
21M
21.00 mi13:29:212:38:587:348:10
8:10
+0:29
35K
21.75 mi13:34:532:44:307:345:32
7:24
-0:46
23M
23.00 mi13:44:262:54:037:349:33
7:38
+0:14
24M
24.00 mi13:51:593:01:367:347:33
7:33
-0:05
40K
24.85 mi13:58:323:08:097:346:33
7:40
+0:07
25.2M
25.20 mi14:01:223:10:597:352:50
8:13
+0:33
Finish
26.22 mi14:08:523:18:297:357:30
7:22
-0:51

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

7:22 /mi

Average Pace

7:35 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:29

94% of race

Time at Steady Pace

11:00

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:34 /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 mi11:13:4023:177:3023:17
7:30
#12200
10K
6.21 mi11:37:0046:377:3023:20
7:31
#12155
15K
9.32 mi12:00:131:09:507:3023:13
7:28
#11919
20K
12.43 mi12:23:351:33:127:3023:22
7:31
#11625
Half
13.11 mi12:28:391:38:167:305:04
7:26
#11603
25K
15.53 mi12:46:541:56:317:3018:15
7:32
#11335
30K
18.64 mi13:10:442:20:217:3223:50
7:40
#10860
20M
20.00 mi13:21:112:30:487:3210:27
7:41
#10603
21M
21.00 mi13:29:212:38:587:348:10
8:10
#10433
35K
21.75 mi13:34:532:44:307:345:32
7:24
#10314
23M
23.00 mi13:44:262:54:037:349:33
7:38
#10078
24M
24.00 mi13:51:593:01:367:347:33
7:33
#9942
40K
24.85 mi13:58:323:08:097:346:33
7:40
#9826
25.2M
25.20 mi14:01:223:10:597:352:50
8:13
#9763
Finish
26.22 mi14:08:523:18:297:357:30
7:22
#9672
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi122002901290111537(Top 41%)2653(Top 22%)2653(Top 146%)
10K6.21 mi3.10 mi12155+452889+122889+1212199(Top 43%)2924(Top 24%)2924(Top 161%)
15K9.32 mi3.11 mi11919+2362780+1092780+10911537(Top 41%)2653(Top 22%)2653(Top 146%)
20K12.43 mi3.11 mi11625+2942675+1052675+10510955(Top 39%)2448(Top 20%)2448(Top 135%)
Half13.11 mi0.68 mi11603+222661+142661+1411139(Top 39%)2480(Top 20%)2480(Top 137%)
25K15.53 mi2.42 mi11335+2682558+1032558+10310201(Top 36%)2187(Top 18%)2187(Top 121%)
30K18.64 mi3.11 mi10860+4752392+1662392+1669006(Top 32%)1841(Top 15%)1841(Top 102%)
20M20.00 mi1.36 mi10603+2572306+862306+868313(Top 29%)1677(Top 14%)1677(Top 92%)
21M21.00 mi1.00 mi10433+1702260+462260+468407(Top 30%)1903(Top 16%)1903(Top 105%)
35K21.75 mi0.75 mi10314+1192219+412219+417952(Top 28%)1669(Top 14%)1669(Top 92%)
23M23.00 mi1.25 mi10078+2362141+782141+787461(Top 26%)1601(Top 13%)1601(Top 88%)
24M24.00 mi1.00 mi9942+1362112+292112+298081(Top 28%)1902(Top 16%)1902(Top 105%)
40K24.85 mi0.85 mi9826+1162095+172095+177866(Top 28%)1931(Top 16%)1931(Top 107%)
25.2M25.20 mi0.35 mi9763+632082+132082+137245(Top 26%)1761(Top 14%)1761(Top 97%)
Finish26.22 mi1.02 mi9672+912077+52077+58225(Top 29%)2161(Top 18%)2161(Top 119%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

11537

Females

2653

F45-49

2653

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

12199

Females

2924

F45-49

2924

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

11537

Females

2653

F45-49

2653

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

10955

Females

2448

F45-49

2448

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

11139

Females

2480

F45-49

2480

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

10201

Females

2187

F45-49

2187

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

9006

Females

1841

F45-49

1841

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

8313

Females

1677

F45-49

1677

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8407

Females

1903

F45-49

1903

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7952

Females

1669

F45-49

1669

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

7461

Females

1601

F45-49

1601

23M→24M

23.0 - 24.0 mi

Top 28%
×6story building
+12ft-82ft

Overall

8081

Females

1902

F45-49

1902

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7866

Females

1931

F45-49

1931

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7245

Females

1761

F45-49

1761

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2story building
+22ft-21ft

Overall

8225

Females

2161

F45-49

2161

Passing Analysis

Category:
Athletes Passed
3134*
Passed By
605
Net Change
+2528
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12200
5K → 10K273228+45#12200#12155
10K → 15K31579+236#12155#11919
15K → 20K35965+294#11919#11625
20K → Half4624+22#11625#11603
Half → 25K30335+268#11603#11335
25K → 30K50833+475#11335#10860
30K → 20M2647+257#10860#10603
20M → 21M20434+170#10603#10433
21M → 35K12910+119#10433#10314
35K → 23M24711+236#10314#10078
23M → 24M156*20+136#10078#9942
24M → 40K13720+116#9942#9826
40K → 25.2M7310+63#9826#9763
25.2M → Finish12029+91#9763#9672
TOTALS3134*605+2528

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing