Boston Marathon logo
BOSTON MARATHON 2023

Mary Perry

MD

Bib: 22383 F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 47%
Division (F50-54)
#0 / 1207
Top 42%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:40/mi
26:56
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:27/mi
53:11
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:31/mi
1:19:38
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:44/mi
1:46:46
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:26/mi
1:52:31
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:49/mi
2:13:53
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:10/mi
2:42:23
↑ 181↓ 1480.2%
138 ft elev
20M
9:06/mi
2:54:45
↑ 64↓ 500.2%
148 ft elev
21M
9:19/mi
3:04:04
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:48/mi
3:10:39
↑ 17↓ 861.7%
156 ft elev
23M
8:57/mi
3:21:51
↑ 23↓ 630.6%
116 ft elev
24M
8:45/mi
3:30:36
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:53/mi
3:38:12
↓ 200.3%
20 ft elev
25.2M
9:28/mi
3:41:28
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:35/mi
3:50:13
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Is this your race?

Claim it for a free AI report

A coach's-eye read of your race — emailed to you, free.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:31
Pace8:35 /mi
2nd Half
Distance13.11 mi
Time1:57:42
Pace8:59 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:1226:568:4026:56
8:40
-
10K
6.21 mi11:47:2753:118:3426:15
8:27
-0:13
15K
9.32 mi12:13:541:19:388:3326:27
8:31
+0:04
20K
12.43 mi12:41:021:46:468:3527:08
8:44
+0:13
Half
13.11 mi12:46:471:52:318:355:45
8:26
-0:18
25K
15.53 mi13:08:092:13:538:3721:22
8:49
+0:23
30K
18.64 mi13:36:392:42:238:4328:30
9:10
+0:21
20M
20.00 mi13:49:012:54:458:4412:22
9:06
-0:04
21M
21.00 mi13:58:203:04:048:469:19
9:19
+0:13
35K
21.75 mi14:04:553:10:398:466:35
8:48
-0:31
23M
23.00 mi14:16:073:21:518:4711:12
8:57
+0:09
24M
24.00 mi14:24:523:30:368:478:45
8:45
-0:12
40K
24.85 mi14:32:283:38:128:477:36
8:53
+0:08
25.2M
25.20 mi14:35:443:41:288:473:16
9:28
+0:35
Finish
26.22 mi14:44:293:50:138:478:45
8:35
-0:53

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

8:26 /mi

Average Pace

8:47 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:37:38

95% of race

Time at Steady Pace

12:35

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:47 /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 mi11:21:1226:568:4026:56
8:40
#18686
10K
6.21 mi11:47:2753:118:3426:15
8:27
#18254
15K
9.32 mi12:13:541:19:388:3326:27
8:31
#18133
20K
12.43 mi12:41:021:46:468:3527:08
8:44
#18157
Half
13.11 mi12:46:471:52:318:355:45
8:26
#18105
25K
15.53 mi13:08:092:13:538:3721:22
8:49
#18066
30K
18.64 mi13:36:392:42:238:4328:30
9:10
#18051
20M
20.00 mi13:49:012:54:458:4412:22
9:06
#17959
21M
21.00 mi13:58:203:04:048:469:19
9:19
#17769
35K
21.75 mi14:04:553:10:398:466:35
8:48
#17728
23M
23.00 mi14:16:073:21:518:4711:12
8:57
#17623
24M
24.00 mi14:24:523:30:368:478:45
8:45
#17551
40K
24.85 mi14:32:283:38:128:477:36
8:53
#17477
25.2M
25.20 mi14:35:443:41:288:473:16
9:28
#17441
Finish
26.22 mi14:44:293:50:138:478:45
8:35
#17387
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi186866991699117914(Top 67%)6445(Top 56%)6445(Top 534%)
10K6.21 mi3.10 mi18254+4326671+3206671+32017931(Top 67%)6439(Top 56%)6439(Top 533%)
15K9.32 mi3.11 mi18133+1216602+696602+6917914(Top 67%)6445(Top 56%)6445(Top 534%)
20K12.43 mi3.11 mi18157-246603-16603-118328(Top 69%)6690(Top 59%)6690(Top 554%)
Half13.11 mi0.68 mi18105+526571+326571+3217364(Top 65%)6110(Top 53%)6110(Top 506%)
25K15.53 mi2.42 mi18066+396573-26573-218034(Top 68%)6569(Top 58%)6569(Top 544%)
30K18.64 mi3.11 mi18051+156599-266599-2618045(Top 68%)6677(Top 58%)6677(Top 553%)
20M20.00 mi1.36 mi17959+926564+356564+3517075(Top 64%)6205(Top 54%)6205(Top 514%)
21M21.00 mi1.00 mi17769+1906451+1136451+11315118(Top 57%)5135(Top 45%)5135(Top 425%)
35K21.75 mi0.75 mi17728+416444+76444+716965(Top 64%)6259(Top 55%)6259(Top 519%)
23M23.00 mi1.25 mi17623+1056393+516393+5115795(Top 59%)5633(Top 49%)5633(Top 467%)
24M24.00 mi1.00 mi17551+726366+276366+2715966(Top 60%)5794(Top 51%)5794(Top 480%)
40K24.85 mi0.85 mi17477+746328+386328+3815589(Top 59%)5634(Top 49%)5634(Top 467%)
25.2M25.20 mi0.35 mi17441+366314+146314+1415151(Top 57%)5405(Top 47%)5405(Top 448%)
Finish26.22 mi1.02 mi17387+546299+156299+1515946(Top 60%)5781(Top 51%)5781(Top 479%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

17914

Females

6445

F50-54

6445

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

17931

Females

6439

F50-54

6439

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

17914

Females

6445

F50-54

6445

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

18328

Females

6690

F50-54

6690

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

17364

Females

6110

F50-54

6110

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

18034

Females

6569

F50-54

6569

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

18045

Females

6677

F50-54

6677

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

17075

Females

6205

F50-54

6205

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

15118

Females

5135

F50-54

5135

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

16965

Females

6259

F50-54

6259

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

15795

Females

5633

F50-54

5633

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

15966

Females

5794

F50-54

5794

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15589

Females

5634

F50-54

5634

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15151

Females

5405

F50-54

5405

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

15946

Females

5781

F50-54

5781

Passing Analysis

Category:
Athletes Passed
2305
Passed By
1006
Net Change
+1299
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18686
5K → 10K615183+432#18686#18254
10K → 15K250129+121#18254#18133
15K → 20K157181-24#18133#18157
20K → Half619+52#18157#18105
Half → 25K144105+39#18105#18066
25K → 30K203188+15#18066#18051
30K → 20M13341+92#18051#17959
20M → 21M20212+190#17959#17769
21M → 35K6827+41#17769#17728
35K → 23M13631+105#17728#17623
23M → 24M9624+72#17623#17551
24M → 40K9925+74#17551#17477
40K → 25.2M4913+36#17477#17441
25.2M → Finish9238+54#17441#17387
TOTALS23051006+1299
📊

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