Boston Marathon logo
BOSTON MARATHON 2023

Mary Crowe

Bib: 24487•F

NY

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F65-69)
#0 / 221
Top 29%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:12
Rank: #20785
Start → 5K
28:12 | 9:05/mi
10K· 6.21 mi
58:05
Rank: #21880 (-1095)
5K → 10K
29:53 | 9:37/mi
15K· 9.32 mi
1:28:15
Rank: #22201 (-321)
10K → 15K
30:10 | 9:43/mi
20K· 12.43 mi
1:58:29
Rank: #22220 (-19)
15K → 20K
30:14 | 9:44/mi
Half· 13.11 mi
2:05:06
Rank: #22227 (-7)
20K → Half
6:37 | 9:42/mi
25K· 15.53 mi
2:29:09
Rank: #22201 (+26)
Half → 25K
24:03 | 9:55/mi
30K· 18.64 mi
3:00:11
Rank: #21964 (+237)
25K → 30K
31:02 | 9:59/mi
20M
3:13:50
Rank: #21853 (+111)
30K → 20M
13:39 | 10:03/mi
21M
3:24:06
Rank: #21714 (+139)
20M → 21M
10:16 | 10:16/mi
35K· 21.75 mi
3:31:16
Rank: #21652 (+62)
21M → 35K
7:10 | 9:35/mi
23M
3:43:49
Rank: #21554 (+98)
35K → 23M
12:33 | 10:01/mi
24M
3:53:46
Rank: #21511 (+43)
23M → 24M
9:57 | 9:57/mi
40K· 24.85 mi
4:02:19
Rank: #21444 (+67)
24M → 40K
8:33 | 10:00/mi
25.2M
4:05:59
Rank: #21406 (+38)
40K → 25.2M
3:40 | 10:38/mi
Finish· 26.22 mi
4:16:03
Rank: #21393 (+13)
25.2M → Finish
10:04 | 9:53/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
Time2:05:06
Pace9:33 /mi
2nd Half
Distance13.11 mi
Time2:10:57
Pace9:59 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:1728:129:0528:12
9:05
-
10K
6.21 mi12:13:1058:059:2129:53
9:37
+0:32
15K
9.32 mi12:43:201:28:159:2830:10
9:43
+0:06
20K
12.43 mi13:13:341:58:299:3230:14
9:44
+0:01
Half
13.11 mi13:20:112:05:069:336:37
9:42
-0:02
25K
15.53 mi13:44:142:29:099:3624:03
9:55
+0:13
30K
18.64 mi14:15:163:00:119:4031:02
9:59
+0:04
20M
20.00 mi14:28:553:13:509:4113:39
10:03
+0:04
21M
21.00 mi14:39:113:24:069:4310:16
10:16
+0:13
35K
21.75 mi14:46:213:31:169:437:10
9:35
-0:41
23M
23.00 mi14:58:543:43:499:4412:33
10:01
+0:26
24M
24.00 mi15:08:513:53:469:449:57
9:57
-0:04
40K
24.85 mi15:17:244:02:199:458:33
10:00
+0:03
25.2M
25.20 mi15:21:044:05:599:463:40
10:38
+0:38
Finish
26.22 mi15:31:084:16:039:4610:04
9:53
-0:45

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

9:05 /mi

Average Pace

9:46 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:27:22

81% of race

Time at Steady Pace

48:41

19% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:46 /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 mi11:43:1728:129:0528:12
9:05
#20785
10K
6.21 mi12:13:1058:059:2129:53
9:37
#21880
15K
9.32 mi12:43:201:28:159:2830:10
9:43
#22201
20K
12.43 mi13:13:341:58:299:3230:14
9:44
#22220
Half
13.11 mi13:20:112:05:069:336:37
9:42
#22227
25K
15.53 mi13:44:142:29:099:3624:03
9:55
#22201
30K
18.64 mi14:15:163:00:119:4031:02
9:59
#21964
20M
20.00 mi14:28:553:13:509:4113:39
10:03
#21853
21M
21.00 mi14:39:113:24:069:4310:16
10:16
#21714
35K
21.75 mi14:46:213:31:169:437:10
9:35
#21652
23M
23.00 mi14:58:543:43:499:4412:33
10:01
#21554
24M
24.00 mi15:08:513:53:469:449:57
9:57
#21511
40K
24.85 mi15:17:244:02:199:458:33
10:00
#21444
25.2M
25.20 mi15:21:044:05:599:463:40
10:38
#21406
Finish
26.22 mi15:31:084:16:039:4610:04
9:53
#21393
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
5K3.11 mi3.11 mi207858263826322832(Top 86%)9247(Top 81%)9247(Top 4184%)
10K6.21 mi3.10 mi21880-10958783-5208783-52022852(Top 86%)9257(Top 81%)9257(Top 4189%)
15K9.32 mi3.11 mi22201-3218936-1538936-15322832(Top 86%)9247(Top 81%)9247(Top 4184%)
20K12.43 mi3.11 mi22220-198947-118947-1122248(Top 84%)8931(Top 78%)8931(Top 4041%)
Half13.11 mi0.68 mi22227-78951-48951-422645(Top 85%)9155(Top 80%)9155(Top 4143%)
25K15.53 mi2.42 mi22201+268939+128939+1222034(Top 83%)8852(Top 77%)8852(Top 4005%)
30K18.64 mi3.11 mi21964+2378817+1228817+12221010(Top 79%)8350(Top 73%)8350(Top 3778%)
20M20.00 mi1.36 mi21853+1118762+558762+5520618(Top 77%)8199(Top 72%)8199(Top 3710%)
21M21.00 mi1.00 mi21714+1398696+668696+6618953(Top 71%)7317(Top 64%)7317(Top 3311%)
35K21.75 mi0.75 mi21652+628672+248672+2420127(Top 76%)8010(Top 70%)8010(Top 3624%)
23M23.00 mi1.25 mi21554+988632+408632+4020072(Top 75%)7999(Top 70%)7999(Top 3619%)
24M24.00 mi1.00 mi21511+438621+118621+1120677(Top 78%)8375(Top 73%)8375(Top 3790%)
40K24.85 mi0.85 mi21444+678594+278594+2719982(Top 75%)8058(Top 71%)8058(Top 3646%)
25.2M25.20 mi0.35 mi21406+388577+178577+1719564(Top 73%)7829(Top 69%)7829(Top 3543%)
Finish26.22 mi1.02 mi21393+138584-78584-721424(Top 80%)8799(Top 77%)8799(Top 3981%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21stories
+97ft-345ft

Overall

22832

Females

9247

F65-69

9247

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

22852

Females

9257

F65-69

9257

10K→15K

6.2 - 9.3 mi

Top 86%
×3stories
+67ft-78ft

Overall

22832

Females

9247

F65-69

9247

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

22248

Females

8931

F65-69

8931

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

22645

Females

9155

F65-69

9155

Half→25K

13.1 - 15.5 mi

Top 83%
×4stories
+66ft-88ft

Overall

22034

Females

8852

F65-69

8852

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

21010

Females

8350

F65-69

8350

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

20618

Females

8199

F65-69

8199

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

18953

Females

7317

F65-69

7317

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

20127

Females

8010

F65-69

8010

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

20072

Females

7999

F65-69

7999

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

20677

Females

8375

F65-69

8375

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

19982

Females

8058

F65-69

8058

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19564

Females

7829

F65-69

7829

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

21424

Females

8799

F65-69

8799

Passing Analysis

Category:
Athletes Passed
1334
Passed By
1942
Net Change
-608
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20785
5K → 10K311126-1095#20785#21880
10K → 15K70391-321#21880#22201
15K → 20K130149-19#22201#22220
20K → Half1623-7#22220#22227
Half → 25K11993+26#22227#22201
25K → 30K27134+237#22201#21964
30K → 20M13524+111#21964#21853
20M → 21M1434+139#21853#21714
21M → 35K686+62#21714#21652
35K → 23M11820+98#21652#21554
23M → 24M6017+43#21554#21511
24M → 40K7811+67#21511#21444
40K → 25.2M424+38#21444#21406
25.2M → Finish5340+13#21406#21393
TOTALS13341942-608
📊

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