Boston Marathon logo
BOSTON MARATHON 2025

Lisa Cronin

Bib: 7074•F

RI

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 22%
Gender (Female)
#0 / 12228
Top 6%
Masters (Masters Women)
#0 / 6759
Top 2%
Division (F40-44)
#0 / 1718
Top 4%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:14
Rank: #6605
Start → 5K
21:14 | 6:50/mi
10K· 6.21 mi
42:35
Rank: #6786 (-181)
5K → 10K
21:21 | 6:52/mi
15K· 9.32 mi
1:04:08
Rank: #6930 (-144)
10K → 15K
21:33 | 6:56/mi
20K· 12.43 mi
1:25:57
Rank: #6958 (-28)
15K → 20K
21:49 | 7:01/mi
Half· 13.11 mi
1:30:43
Rank: #6991 (-33)
20K → Half
4:46 | 6:59/mi
25K· 15.53 mi
1:48:00
Rank: #6951 (+40)
Half → 25K
17:17 | 7:08/mi
30K· 18.64 mi
2:10:57
Rank: #6828 (+123)
25K → 30K
22:57 | 7:23/mi
20M
2:21:11
Rank: #6758 (+70)
30K → 20M
10:14 | 7:32/mi
21M
2:29:17
Rank: #6749 (+9)
20M → 21M
8:06 | 8:06/mi
35K· 21.75 mi
2:34:34
Rank: #6677 (+72)
21M → 35K
5:17 | 7:04/mi
23M
2:43:52
Rank: #6556 (+121)
35K → 23M
9:18 | 7:26/mi
24M
2:51:01
Rank: #6481 (+75)
23M → 24M
7:09 | 7:09/mi
40K· 24.85 mi
2:57:20
Rank: #6408 (+73)
24M → 40K
6:19 | 7:23/mi
25.2M
3:00:10
Rank: #6396 (+12)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:07:31
Rank: #6364 (+32)
25.2M → Finish
7:21 | 7:13/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
Time1:30:43
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:36:48
Pace7:23 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:1621:146:5021:14
6:50
-
10K
6.21 mi10:49:3742:356:5121:21
6:52
+0:02
15K
9.32 mi11:11:101:04:086:5321:33
6:56
+0:04
20K
12.43 mi11:32:591:25:576:5521:49
7:01
+0:05
Half
13.11 mi11:37:451:30:436:554:46
6:59
-0:02
25K
15.53 mi11:55:021:48:006:5717:17
7:08
+0:09
30K
18.64 mi12:17:592:10:577:0122:57
7:23
+0:15
20M
20.00 mi12:28:132:21:117:0410:14
7:32
+0:09
21M
21.00 mi12:36:192:29:177:078:06
8:06
+0:34
35K
21.75 mi12:41:362:34:347:065:17
7:04
-1:02
23M
23.00 mi12:50:542:43:527:079:18
7:26
+0:22
24M
24.00 mi12:58:032:51:017:087:09
7:09
-0:17
40K
24.85 mi13:04:222:57:207:086:19
7:23
+0:14
25.2M
25.20 mi13:07:123:00:107:092:50
8:13
+0:50
Finish
26.22 mi13:14:333:07:317:097:21
7:13
-1:00

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

6:50 /mi

Average Pace

7:09 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:04:08

34% of race

Time at Steady Pace

1:03:39

34% of race

Time at Slower Pace

59:44

32% of race

Average Pace: 7:09 /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 mi10:28:1621:146:5021:14
6:50
#6605
10K
6.21 mi10:49:3742:356:5121:21
6:52
#6786
15K
9.32 mi11:11:101:04:086:5321:33
6:56
#6930
20K
12.43 mi11:32:591:25:576:5521:49
7:01
#6958
Half
13.11 mi11:37:451:30:436:554:46
6:59
#6991
25K
15.53 mi11:55:021:48:006:5717:17
7:08
#6951
30K
18.64 mi12:17:592:10:577:0122:57
7:23
#6828
20M
20.00 mi12:28:132:21:117:0410:14
7:32
#6758
21M
21.00 mi12:36:192:29:177:078:06
8:06
#6749
35K
21.75 mi12:41:362:34:347:065:17
7:04
#6677
23M
23.00 mi12:50:542:43:527:079:18
7:26
#6556
24M
24.00 mi12:58:032:51:017:087:09
7:09
#6481
40K
24.85 mi13:04:222:57:207:086:19
7:23
#6408
25.2M
25.20 mi13:07:123:00:107:092:50
8:13
#6396
Finish
26.22 mi13:14:333:07:317:097:21
7:13
#6364
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi66055935937218(Top 25%)787(Top 6%)787(Top 46%)
10K6.21 mi3.10 mi6786-181646-53646-537054(Top 25%)719(Top 6%)719(Top 42%)
15K9.32 mi3.11 mi6930-144690-44690-447218(Top 25%)787(Top 6%)787(Top 46%)
20K12.43 mi3.11 mi6958-28700-10700-107023(Top 25%)788(Top 6%)788(Top 46%)
Half13.11 mi0.68 mi6991-33712-12712-127540(Top 27%)909(Top 7%)909(Top 53%)
25K15.53 mi2.42 mi6951+40717-5717-57161(Top 25%)905(Top 7%)905(Top 53%)
30K18.64 mi3.11 mi6828+123736-19736-196980(Top 25%)998(Top 8%)998(Top 58%)
20M20.00 mi1.36 mi6758+70740-4740-47218(Top 25%)1220(Top 10%)1220(Top 71%)
21M21.00 mi1.00 mi6749+9761-21761-217967(Top 28%)1706(Top 14%)1706(Top 99%)
35K21.75 mi0.75 mi6677+72760+1760+15817(Top 20%)859(Top 7%)859(Top 50%)
23M23.00 mi1.25 mi6556+121756+4756+46219(Top 22%)1098(Top 9%)1098(Top 64%)
24M24.00 mi1.00 mi6481+75751+5751+55537(Top 19%)895(Top 7%)895(Top 52%)
40K24.85 mi0.85 mi6408+73758-7758-76149(Top 22%)1189(Top 10%)1189(Top 69%)
25.2M25.20 mi0.35 mi6396+12763-5763-57183(Top 25%)1699(Top 14%)1699(Top 99%)
Finish26.22 mi1.02 mi6364+32777-14777-147137(Top 25%)1696(Top 14%)1696(Top 99%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7218

Females

787

F40-44

787

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

7054

Females

719

F40-44

719

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7218

Females

787

F40-44

787

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

7023

Females

788

F40-44

788

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7540

Females

909

F40-44

909

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

7161

Females

905

F40-44

905

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6980

Females

998

F40-44

998

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

7218

Females

1220

F40-44

1220

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7967

Females

1706

F40-44

1706

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5817

Females

859

F40-44

859

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

6219

Females

1098

F40-44

1098

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5537

Females

895

F40-44

895

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

6149

Females

1189

F40-44

1189

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

7183

Females

1699

F40-44

1699

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

7137

Females

1696

F40-44

1696

Passing Analysis

Category:
Athletes Passed
1466
Passed By
1225
Net Change
+241
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6605
5K → 10K126307-181#6605#6786
10K → 15K96240-144#6786#6930
15K → 20K131159-28#6930#6958
20K → Half1649-33#6958#6991
Half → 25K13292+40#6991#6951
25K → 30K236113+123#6951#6828
30K → 20M12050+70#6828#6758
20M → 21M8475+9#6758#6749
21M → 35K8311+72#6749#6677
35K → 23M14524+121#6677#6556
23M → 24M10227+75#6556#6481
24M → 40K9320+73#6481#6408
40K → 25.2M2816+12#6408#6396
25.2M → Finish7442+32#6396#6364
TOTALS14661225+241
📊

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