Boston Marathon logo
BOSTON MARATHON 2025

Megan Callinan

Bib: 30699•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
33:22
Rank: #27191
Start → 5K
33:22 | 10:44/mi
10K· 6.21 mi
1:06:51
Rank: #26951 (+240)
5K → 10K
33:29 | 10:47/mi
15K· 9.32 mi
1:40:05
Rank: #26688 (+263)
10K → 15K
33:14 | 10:42/mi
20K· 12.43 mi
2:12:32
Rank: #26271 (+417)
15K → 20K
32:27 | 10:27/mi
Half· 13.11 mi
2:19:28
Rank: #26212 (+59)
20K → Half
6:56 | 10:10/mi
25K· 15.53 mi
2:45:15
Rank: #25933 (+279)
Half → 25K
25:47 | 10:38/mi
30K· 18.64 mi
3:18:21
Rank: #25490 (+443)
25K → 30K
33:06 | 10:39/mi
20M
3:32:34
Rank: #25295 (+195)
30K → 20M
14:13 | 10:28/mi
21M
3:43:33
Rank: #25141 (+154)
20M → 21M
10:59 | 10:59/mi
35K· 21.75 mi
3:51:42
Rank: #25107 (+34)
21M → 35K
8:09 | 10:54/mi
23M
4:04:50
Rank: #24975 (+132)
35K → 23M
13:08 | 10:29/mi
24M
4:14:55
Rank: #24866 (+109)
23M → 24M
10:05 | 10:05/mi
40K· 24.85 mi
4:23:31
Rank: #24745 (+121)
24M → 40K
8:36 | 10:04/mi
25.2M
4:27:07
Rank: #24688 (+57)
40K → 25.2M
3:36 | 10:26/mi
Finish· 26.22 mi
4:36:54
Rank: #24604 (+84)
25.2M → Finish
9:47 | 9:36/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 Half
Distance13.11 mi
Time2:19:28
Pace10:38 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:17:26
Pace10:29 /mi
📊Negative Split: 1.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:0333:2210:4433:22
10:44
-
10K
6.21 mi12:27:321:06:5110:4633:29
10:47
+0:03
15K
9.32 mi13:00:461:40:0510:4433:14
10:42
-0:05
20K
12.43 mi13:33:132:12:3210:4032:27
10:27
-0:15
Half
13.11 mi13:40:092:19:2810:386:56
10:10
-0:17
25K
15.53 mi14:05:562:45:1510:3825:47
10:38
+0:28
30K
18.64 mi14:39:023:18:2110:3833:06
10:39
+0:01
20M
20.00 mi14:53:153:32:3410:3814:13
10:28
-0:11
21M
21.00 mi15:04:143:43:3310:3910:59
10:59
+0:31
35K
21.75 mi15:12:233:51:4210:398:09
10:54
-0:05
23M
23.00 mi15:25:314:04:5010:3913:08
10:29
-0:25
24M
24.00 mi15:35:364:14:5510:3710:05
10:05
-0:24
40K
24.85 mi15:44:124:23:3110:368:36
10:04
-0:01
25.2M
25.20 mi15:47:484:27:0710:363:36
10:26
+0:22
Finish
26.22 mi15:57:354:36:5410:349:47
9:36
-0:50

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

9:36 /mi

Average Pace

10:34 /mi

Slowest Pace

10:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:48

36% of race

Time at Steady Pace

2:58:06

64% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:34 /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 mi11:54:0333:2210:4433:22
10:44
#27191
10K
6.21 mi12:27:321:06:5110:4633:29
10:47
#26951
15K
9.32 mi13:00:461:40:0510:4433:14
10:42
#26688
20K
12.43 mi13:33:132:12:3210:4032:27
10:27
#26271
Half
13.11 mi13:40:092:19:2810:386:56
10:10
#26212
25K
15.53 mi14:05:562:45:1510:3825:47
10:38
#25933
30K
18.64 mi14:39:023:18:2110:3833:06
10:39
#25490
20M
20.00 mi14:53:153:32:3410:3814:13
10:28
#25295
21M
21.00 mi15:04:143:43:3310:3910:59
10:59
#25141
35K
21.75 mi15:12:233:51:4210:398:09
10:54
#25107
23M
23.00 mi15:25:314:04:5010:3913:08
10:29
#24975
24M
24.00 mi15:35:364:14:5510:3710:05
10:05
#24866
40K
24.85 mi15:44:124:23:3110:368:36
10:04
#24745
25.2M
25.20 mi15:47:484:27:0710:363:36
10:26
#24688
Finish
26.22 mi15:57:354:36:5410:349:47
9:36
#24604
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27191114431144326252(Top 92%)10920(Top 89%)10920(Top 200%)
10K6.21 mi3.10 mi26951+24011315+12811315+12826746(Top 94%)11201(Top 92%)11201(Top 205%)
15K9.32 mi3.11 mi26688+26311164+15111164+15126252(Top 92%)10920(Top 89%)10920(Top 200%)
20K12.43 mi3.11 mi26271+41710931+23310931+23325098(Top 88%)10313(Top 84%)10313(Top 189%)
Half13.11 mi0.68 mi26212+5910901+3010901+3025196(Top 89%)10372(Top 85%)10372(Top 190%)
25K15.53 mi2.42 mi25933+27910757+14410757+14424611(Top 87%)10081(Top 82%)10081(Top 184%)
30K18.64 mi3.11 mi25490+44310556+20110556+20123296(Top 82%)9492(Top 78%)9492(Top 174%)
20M20.00 mi1.36 mi25295+19510465+9110465+9122327(Top 79%)9077(Top 74%)9077(Top 166%)
21M21.00 mi1.00 mi25141+15410387+7810387+7821378(Top 75%)8644(Top 71%)8644(Top 158%)
35K21.75 mi0.75 mi25107+3410379+810379+824007(Top 85%)10064(Top 82%)10064(Top 184%)
23M23.00 mi1.25 mi24975+13210318+6110318+6122012(Top 77%)9082(Top 74%)9082(Top 166%)
24M24.00 mi1.00 mi24866+10910269+4910269+4921621(Top 76%)8930(Top 73%)8930(Top 163%)
40K24.85 mi0.85 mi24745+12110221+4810221+4820678(Top 73%)8504(Top 70%)8504(Top 155%)
25.2M25.20 mi0.35 mi24688+5710191+3010191+3018881(Top 66%)7592(Top 62%)7592(Top 139%)
Finish26.22 mi1.02 mi24604+8410155+3610155+3621581(Top 76%)8957(Top 73%)8957(Top 164%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21stories
+97ft-345ft

Overall

26252

Females

10920

F18-39

10920

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

26746

Females

11201

F18-39

11201

10K→15K

6.2 - 9.3 mi

Top 92%
×3stories
+67ft-78ft

Overall

26252

Females

10920

F18-39

10920

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

25098

Females

10313

F18-39

10313

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

25196

Females

10372

F18-39

10372

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

24611

Females

10081

F18-39

10081

25K→30K

15.5 - 18.6 mi

Top 82%
×9stories
+181ft-148ft

Overall

23296

Females

9492

F18-39

9492

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

22327

Females

9077

F18-39

9077

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

21378

Females

8644

F18-39

8644

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

24007

Females

10064

F18-39

10064

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

22012

Females

9082

F18-39

9082

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

21621

Females

8930

F18-39

8930

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20678

Females

8504

F18-39

8504

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18881

Females

7592

F18-39

7592

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2stories
+22ft-21ft

Overall

21581

Females

8957

F18-39

8957

Passing Analysis

Category:
Athletes Passed
2693
Passed By
106
Net Change
+2587
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27191
5K → 10K29151+240#27191#26951
10K → 15K28017+263#26951#26688
15K → 20K4236+417#26688#26271
20K → Half612+59#26271#26212
Half → 25K2845+279#26212#25933
25K → 30K4430+443#25933#25490
30K → 20M2016+195#25490#25295
20M → 21M1551+154#25295#25141
21M → 35K4511+34#25141#25107
35K → 23M1331+132#25107#24975
23M → 24M1090+109#24975#24866
24M → 40K1210+121#24866#24745
40K → 25.2M570+57#24745#24688
25.2M → Finish906+84#24688#24604
TOTALS2693106+2587
📊

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