Boston Marathon logo
BOSTON MARATHON 2025

Catherine Breen

Bib: 30809•F

CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:45
Rank: #24481
Start → 5K
29:45 | 9:35/mi
10K· 6.21 mi
1:00:08
Rank: #24681 (-200)
5K → 10K
30:23 | 9:47/mi
15K· 9.32 mi
1:31:22
Rank: #24827 (-146)
10K → 15K
31:14 | 10:03/mi
20K· 12.43 mi
2:04:02
Rank: #24972 (-145)
15K → 20K
32:40 | 10:31/mi
Half· 13.11 mi
2:11:12
Rank: #25021 (-49)
20K → Half
7:10 | 10:30/mi
25K· 15.53 mi
2:37:20
Rank: #24976 (+45)
Half → 25K
26:08 | 10:47/mi
30K· 18.64 mi
3:12:12
Rank: #24883 (+93)
25K → 30K
34:52 | 11:13/mi
20M
3:27:52
Rank: #24874 (+9)
30K → 20M
15:40 | 11:32/mi
21M
3:40:19
Rank: #24836 (+38)
20M → 21M
12:27 | 12:27/mi
35K· 21.75 mi
3:48:48
Rank: #24850 (-14)
21M → 35K
8:29 | 11:20/mi
23M
4:03:38
Rank: #24877 (-27)
35K → 23M
14:50 | 11:51/mi
24M
4:15:06
Rank: #24880 (-3)
23M → 24M
11:28 | 11:28/mi
40K· 24.85 mi
4:25:10
Rank: #24876 (+4)
24M → 40K
10:04 | 11:46/mi
25.2M
4:29:31
Rank: #24879 (-3)
40K → 25.2M
4:21 | 12:37/mi
Finish· 26.22 mi
4:40:53
Rank: #24907 (-28)
25.2M → Finish
11:22 | 11:09/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
Time2:11:12
Pace10:00 /mi
2nd Half
Distance13.11 mi
Time2:29:41
Pace11:25 /mi
📊Positive Split: 14.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4629:459:3529:45
9:35
-
10K
6.21 mi12:23:091:00:089:4130:23
9:47
+0:12
15K
9.32 mi12:54:231:31:229:4831:14
10:03
+0:16
20K
12.43 mi13:27:032:04:029:5932:40
10:31
+0:28
Half
13.11 mi13:34:132:11:1210:007:10
10:30
-0:01
25K
15.53 mi14:00:212:37:2010:0826:08
10:47
+0:17
30K
18.64 mi14:35:133:12:1210:1934:52
11:13
+0:26
20M
20.00 mi14:50:533:27:5210:2415:40
11:32
+0:19
21M
21.00 mi15:03:203:40:1910:2912:27
12:27
+0:55
35K
21.75 mi15:11:493:48:4810:318:29
11:20
-1:07
23M
23.00 mi15:26:394:03:3810:3614:50
11:51
+0:31
24M
24.00 mi15:38:074:15:0610:3811:28
11:28
-0:23
40K
24.85 mi15:48:114:25:1010:4010:04
11:46
+0:18
25.2M
25.20 mi15:52:324:29:3110:424:21
12:37
+0:51
Finish
26.22 mi16:03:544:40:5310:4311:22
11:09
-1:28

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

9:35 /mi

Average Pace

10:43 /mi

Slowest Pace

12:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:12

47% of race

Time at Steady Pace

1:47:59

38% of race

Time at Slower Pace

41:42

15% of race

Average Pace: 10:43 /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 mi11:52:4629:459:3529:45
9:35
#24481
10K
6.21 mi12:23:091:00:089:4130:23
9:47
#24681
15K
9.32 mi12:54:231:31:229:4831:14
10:03
#24827
20K
12.43 mi13:27:032:04:029:5932:40
10:31
#24972
Half
13.11 mi13:34:132:11:1210:007:10
10:30
#25021
25K
15.53 mi14:00:212:37:2010:0826:08
10:47
#24976
30K
18.64 mi14:35:133:12:1210:1934:52
11:13
#24883
20M
20.00 mi14:50:533:27:5210:2415:40
11:32
#24874
21M
21.00 mi15:03:203:40:1910:2912:27
12:27
#24836
35K
21.75 mi15:11:493:48:4810:318:29
11:20
#24850
23M
23.00 mi15:26:394:03:3810:3614:50
11:51
#24877
24M
24.00 mi15:38:074:15:0610:3811:28
11:28
#24880
40K
24.85 mi15:48:114:25:1010:4010:04
11:46
#24876
25.2M
25.20 mi15:52:324:29:3110:424:21
12:37
#24879
Finish
26.22 mi16:03:544:40:5310:4311:22
11:09
#24907
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi244819951995125094(Top 88%)10272(Top 84%)10272(Top 788%)
10K6.21 mi3.10 mi24681-20010053-10210053-10224799(Top 87%)10122(Top 83%)10122(Top 777%)
15K9.32 mi3.11 mi24827-14610131-7810131-7825094(Top 88%)10272(Top 84%)10272(Top 788%)
20K12.43 mi3.11 mi24972-14510216-8510216-8525203(Top 89%)10375(Top 85%)10375(Top 796%)
Half13.11 mi0.68 mi25021-4910251-3510251-3525780(Top 91%)10704(Top 88%)10704(Top 821%)
25K15.53 mi2.42 mi24976+4510234+1710234+1724860(Top 88%)10211(Top 84%)10211(Top 784%)
30K18.64 mi3.11 mi24883+9310214+2010214+2024409(Top 86%)10082(Top 82%)10082(Top 774%)
20M20.00 mi1.36 mi24874+910228-1410228-1424560(Top 86%)10251(Top 84%)10251(Top 787%)
21M21.00 mi1.00 mi24836+3810218+1010218+1024320(Top 86%)10195(Top 83%)10195(Top 782%)
35K21.75 mi0.75 mi24850-1410231-1310231-1324808(Top 87%)10478(Top 86%)10478(Top 804%)
23M23.00 mi1.25 mi24877-2710261-3010261-3024837(Top 87%)10512(Top 86%)10512(Top 807%)
24M24.00 mi1.00 mi24880-310276-1510276-1524825(Top 87%)10548(Top 86%)10548(Top 810%)
40K24.85 mi0.85 mi24876+410289-1310289-1324574(Top 87%)10463(Top 86%)10463(Top 803%)
25.2M25.20 mi0.35 mi24879-310293-410293-424363(Top 86%)10358(Top 85%)10358(Top 795%)
Finish26.22 mi1.02 mi24907-2810316-2310316-2325620(Top 90%)10967(Top 90%)10967(Top 842%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21stories
+97ft-345ft

Overall

25094

Females

10272

F50-54

10272

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

24799

Females

10122

F50-54

10122

10K→15K

6.2 - 9.3 mi

Top 88%
×3stories
+67ft-78ft

Overall

25094

Females

10272

F50-54

10272

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

25203

Females

10375

F50-54

10375

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

25780

Females

10704

F50-54

10704

Half→25K

13.1 - 15.5 mi

Top 88%
×4stories
+66ft-88ft

Overall

24860

Females

10211

F50-54

10211

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

24409

Females

10082

F50-54

10082

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

24560

Females

10251

F50-54

10251

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

24320

Females

10195

F50-54

10195

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

24808

Females

10478

F50-54

10478

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

24837

Females

10512

F50-54

10512

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

24825

Females

10548

F50-54

10548

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

24574

Females

10463

F50-54

10463

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24363

Females

10358

F50-54

10358

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2stories
+22ft-21ft

Overall

25620

Females

10967

F50-54

10967

Passing Analysis

Category:
Athletes Passed
940
Passed By
1366
Net Change
-426
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24481
5K → 10K132332-200#24481#24681
10K → 15K87233-146#24681#24827
15K → 20K93238-145#24827#24972
20K → Half1665-49#24972#25021
Half → 25K13085+45#25021#24976
25K → 30K16976+93#24976#24883
30K → 20M6556+9#24883#24874
20M → 21M7436+38#24874#24836
21M → 35K2842-14#24836#24850
35K → 23M3562-27#24850#24877
23M → 24M3336-3#24877#24880
24M → 40K4440+4#24880#24876
40K → 25.2M1114-3#24876#24879
25.2M → Finish2351-28#24879#24907
TOTALS9401366-426
📊

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