Boston Marathon logo
BOSTON MARATHON 2023

Judy Mcdonough

Bib: 27273•F

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:55
Rank: #23337
Start → 5K
30:55 | 9:57/mi
10K· 6.21 mi
1:01:21
Rank: #23336 (+1)
5K → 10K
30:26 | 9:48/mi
15K· 9.32 mi
1:31:05
Rank: #23078 (+258)
10K → 15K
29:44 | 9:34/mi
20K· 12.43 mi
2:01:51
Rank: #22958 (+120)
15K → 20K
30:46 | 9:54/mi
Half· 13.11 mi
2:08:24
Rank: #22914 (+44)
20K → Half
6:33 | 9:36/mi
25K· 15.53 mi
2:32:07
Rank: #22696 (+218)
Half → 25K
23:43 | 9:47/mi
30K· 18.64 mi
3:05:17
Rank: #22666 (+30)
25K → 30K
33:10 | 10:41/mi
20M
3:19:27
Rank: #22568 (+98)
30K → 20M
14:10 | 10:25/mi
21M
3:32:27
Rank: #22700 (-132)
20M → 21M
13:00 | 13:00/mi
35K· 21.75 mi
3:39:57
Rank: #22648 (+52)
21M → 35K
7:30 | 10:01/mi
23M
3:53:57
Rank: #22642 (+6)
35K → 23M
14:00 | 11:11/mi
24M
4:04:32
Rank: #22615 (+27)
23M → 24M
10:35 | 10:35/mi
40K· 24.85 mi
4:13:38
Rank: #22584 (+31)
24M → 40K
9:06 | 10:39/mi
25.2M
4:17:53
Rank: #22592 (-8)
40K → 25.2M
4:15 | 12:19/mi
Finish· 26.22 mi
4:28:09
Rank: #22570 (+22)
25.2M → Finish
10:16 | 10:04/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
Time2:08:24
Pace9:48 /mi
2nd Half
Distance13.11 mi
Time2:19:45
Pace10:40 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:0630:559:5730:55
9:57
-
10K
6.21 mi12:18:321:01:219:5230:26
9:48
-0:09
15K
9.32 mi12:48:161:31:059:4629:44
9:34
-0:14
20K
12.43 mi13:19:022:01:519:4830:46
9:54
+0:20
Half
13.11 mi13:25:352:08:249:486:33
9:36
-0:18
25K
15.53 mi13:49:182:32:079:4823:43
9:47
+0:11
30K
18.64 mi14:22:283:05:179:5633:10
10:41
+0:54
20M
20.00 mi14:36:383:19:279:5814:10
10:25
-0:16
21M
21.00 mi14:49:383:32:2710:0713:00
13:00
+2:35
35K
21.75 mi14:57:083:39:5710:077:30
10:01
-2:59
23M
23.00 mi15:11:083:53:5710:1014:00
11:11
+1:10
24M
24.00 mi15:21:434:04:3210:1110:35
10:35
-0:36
40K
24.85 mi15:30:494:13:3810:129:06
10:39
+0:04
25.2M
25.20 mi15:35:044:17:5310:144:15
12:19
+1:40
Finish
26.22 mi15:45:204:28:0910:1410:16
10:04
-2:15

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

9:34 /mi

Average Pace

10:14 /mi

Slowest Pace

13:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

29:44

11% of race

Time at Steady Pace

2:34:19

58% of race

Time at Slower Pace

1:24:06

31% of race

Average Pace: 10:14 /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 mi11:48:0630:559:5730:55
9:57
#23337
10K
6.21 mi12:18:321:01:219:5230:26
9:48
#23336
15K
9.32 mi12:48:161:31:059:4629:44
9:34
#23078
20K
12.43 mi13:19:022:01:519:4830:46
9:54
#22958
Half
13.11 mi13:25:352:08:249:486:33
9:36
#22914
25K
15.53 mi13:49:182:32:079:4823:43
9:47
#22696
30K
18.64 mi14:22:283:05:179:5633:10
10:41
#22666
20M
20.00 mi14:36:383:19:279:5814:10
10:25
#22568
21M
21.00 mi14:49:383:32:2710:0713:00
13:00
#22700
35K
21.75 mi14:57:083:39:5710:077:30
10:01
#22648
23M
23.00 mi15:11:083:53:5710:1014:00
11:11
#22642
24M
24.00 mi15:21:434:04:3210:1110:35
10:35
#22615
40K
24.85 mi15:30:494:13:3810:129:06
10:39
#22584
25.2M
25.20 mi15:35:044:17:5310:144:15
12:19
#22592
Finish
26.22 mi15:45:204:28:0910:1410:16
10:04
#22570
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi233379569956922450(Top 84%)9040(Top 79%)9040(Top 1109%)
10K6.21 mi3.10 mi23336+19542+279542+2723266(Top 87%)9487(Top 83%)9487(Top 1164%)
15K9.32 mi3.11 mi23078+2589392+1509392+15022450(Top 84%)9040(Top 79%)9040(Top 1109%)
20K12.43 mi3.11 mi22958+1209322+709322+7022657(Top 85%)9167(Top 80%)9167(Top 1125%)
Half13.11 mi0.68 mi22914+449301+219301+2122418(Top 84%)9026(Top 79%)9026(Top 1107%)
25K15.53 mi2.42 mi22696+2189206+959206+9521700(Top 82%)8675(Top 76%)8675(Top 1064%)
30K18.64 mi3.11 mi22666+309215-99215-922565(Top 85%)9220(Top 81%)9220(Top 1131%)
20M20.00 mi1.36 mi22568+989174+419174+4121573(Top 81%)8741(Top 77%)8741(Top 1073%)
21M21.00 mi1.00 mi22700-1329248-749248-7424080(Top 90%)10135(Top 89%)10135(Top 1244%)
35K21.75 mi0.75 mi22648+529234+149234+1421367(Top 80%)8697(Top 76%)8697(Top 1067%)
23M23.00 mi1.25 mi22642+69232+29232+222695(Top 85%)9430(Top 83%)9430(Top 1157%)
24M24.00 mi1.00 mi22615+279229+39229+322211(Top 83%)9216(Top 81%)9216(Top 1131%)
40K24.85 mi0.85 mi22584+319218+119218+1121583(Top 81%)8934(Top 78%)8934(Top 1096%)
25.2M25.20 mi0.35 mi22592-89226-89226-823029(Top 87%)9675(Top 85%)9675(Top 1187%)
Finish26.22 mi1.02 mi22570+229227-19227-121977(Top 83%)9106(Top 80%)9106(Top 1117%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21stories
+97ft-345ft

Overall

22450

Females

9040

F55-59

9040

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

23266

Females

9487

F55-59

9487

10K→15K

6.2 - 9.3 mi

Top 84%
×3stories
+67ft-78ft

Overall

22450

Females

9040

F55-59

9040

15K→20K

9.3 - 12.4 mi

Top 85%
×5stories
+106ft-86ft

Overall

22657

Females

9167

F55-59

9167

20K→Half

12.4 - 13.1 mi

Top 84%
×2stories
+19ft-37ft

Overall

22418

Females

9026

F55-59

9026

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

21700

Females

8675

F55-59

8675

25K→30K

15.5 - 18.6 mi

Top 85%
×9stories
+181ft-148ft

Overall

22565

Females

9220

F55-59

9220

30K→20M

18.6 - 20.0 mi

Top 81%
×5stories
+64ft-50ft

Overall

21573

Females

8741

F55-59

8741

20M→21M

20.0 - 21.0 mi

Top 90%
×8stories
+106ft-24ft

Overall

24080

Females

10135

F55-59

10135

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

21367

Females

8697

F55-59

8697

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

22695

Females

9430

F55-59

9430

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

22211

Females

9216

F55-59

9216

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21583

Females

8934

F55-59

8934

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23029

Females

9675

F55-59

9675

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

21977

Females

9106

F55-59

9106

Passing Analysis

Category:
Athletes Passed
1520
Passed By
753
Net Change
+767
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23337
5K → 10K209208+1#23337#23336
10K → 15K30446+258#23336#23078
15K → 20K19474+120#23078#22958
20K → Half506+44#22958#22914
Half → 25K23214+218#22914#22696
25K → 30K12898+30#22696#22666
30K → 20M11719+98#22666#22568
20M → 21M13145-132#22568#22700
21M → 35K619+52#22700#22648
35K → 23M6155+6#22648#22642
23M → 24M4518+27#22642#22615
24M → 40K4413+31#22615#22584
40K → 25.2M1119-8#22584#22592
25.2M → Finish5129+22#22592#22570
TOTALS1520753+767
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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