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BOSTON MARATHON 2023

Heather Mccarthy

Bib: 19197•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 40%
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:51
Rank: #14024
Start → 5K
24:51 | 8:00/mi
10K· 6.21 mi
49:07
Rank: #13642 (+382)
5K → 10K
24:16 | 7:49/mi
15K· 9.32 mi
1:13:58
Rank: #13875 (-233)
10K → 15K
24:51 | 8:00/mi
20K· 12.43 mi
1:39:23
Rank: #14086 (-211)
15K → 20K
25:25 | 8:11/mi
Half· 13.11 mi
1:44:56
Rank: #14154 (-68)
20K → Half
5:33 | 8:08/mi
25K· 15.53 mi
2:05:02
Rank: #14266 (-112)
Half → 25K
20:06 | 8:17/mi
30K· 18.64 mi
2:32:29
Rank: #14660 (-394)
25K → 30K
27:27 | 8:50/mi
20M
2:44:58
Rank: #14898 (-238)
30K → 20M
12:29 | 9:11/mi
21M
2:55:01
Rank: #15114 (-216)
20M → 21M
10:03 | 10:03/mi
35K· 21.75 mi
3:01:52
Rank: #15228 (-114)
21M → 35K
6:51 | 9:09/mi
23M
3:13:58
Rank: #15523 (-295)
35K → 23M
12:06 | 9:40/mi
24M
3:23:20
Rank: #15687 (-164)
23M → 24M
9:22 | 9:22/mi
40K· 24.85 mi
3:31:58
Rank: #15946 (-259)
24M → 40K
8:38 | 10:06/mi
25.2M
3:35:55
Rank: #16089 (-143)
40K → 25.2M
3:57 | 11:27/mi
Finish· 26.22 mi
3:46:12
Rank: #16432 (-343)
25.2M → Finish
10:17 | 10:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:56
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time2:01:16
Pace9:15 /mi
📊Positive Split: 15.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:3624:518:0024:51
8:00
-
10K
6.21 mi11:42:5249:077:5424:16
7:49
-0:11
15K
9.32 mi12:07:431:13:587:5624:51
8:00
+0:11
20K
12.43 mi12:33:081:39:238:0025:25
8:11
+0:11
Half
13.11 mi12:38:411:44:568:005:33
8:08
-0:03
25K
15.53 mi12:58:472:05:028:0320:06
8:17
+0:09
30K
18.64 mi13:26:142:32:298:1127:27
8:50
+0:33
20M
20.00 mi13:38:432:44:588:1512:29
9:11
+0:21
21M
21.00 mi13:48:462:55:018:2010:03
10:03
+0:52
35K
21.75 mi13:55:373:01:528:226:51
9:09
-0:54
23M
23.00 mi14:07:433:13:588:2612:06
9:40
+0:31
24M
24.00 mi14:17:053:23:208:289:22
9:22
-0:18
40K
24.85 mi14:25:433:31:588:328:38
10:06
+0:44
25.2M
25.20 mi14:29:403:35:558:343:57
11:27
+1:21
Finish
26.22 mi14:39:573:46:128:3810:17
10:05
-1:22

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

7:49 /mi

Average Pace

8:38 /mi

Slowest Pace

11:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:02

55% of race

Time at Steady Pace

56:09

25% of race

Time at Slower Pace

45:01

20% of race

Average Pace: 8:38 /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 mi11:18:3624:518:0024:51
8:00
#14024
10K
6.21 mi11:42:5249:077:5424:16
7:49
#13642
15K
9.32 mi12:07:431:13:587:5624:51
8:00
#13875
20K
12.43 mi12:33:081:39:238:0025:25
8:11
#14086
Half
13.11 mi12:38:411:44:568:005:33
8:08
#14154
25K
15.53 mi12:58:472:05:028:0320:06
8:17
#14266
30K
18.64 mi13:26:142:32:298:1127:27
8:50
#14660
20M
20.00 mi13:38:432:44:588:1512:29
9:11
#14898
21M
21.00 mi13:48:462:55:018:2010:03
10:03
#15114
35K
21.75 mi13:55:373:01:528:226:51
9:09
#15228
23M
23.00 mi14:07:433:13:588:2612:06
9:40
#15523
24M
24.00 mi14:17:053:23:208:289:22
9:22
#15687
40K
24.85 mi14:25:433:31:588:328:38
10:06
#15946
25.2M
25.20 mi14:29:403:35:558:343:57
11:27
#16089
Finish
26.22 mi14:39:573:46:128:3810:17
10:05
#16432
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi140244050405014392(Top 54%)4323(Top 38%)4323(Top 230%)
10K6.21 mi3.10 mi13642+3823833+2173833+21713242(Top 50%)3582(Top 31%)3582(Top 191%)
15K9.32 mi3.11 mi13875-2333983-1503983-15014392(Top 54%)4323(Top 38%)4323(Top 230%)
20K12.43 mi3.11 mi14086-2114138-1554138-15514862(Top 56%)4630(Top 41%)4630(Top 247%)
Half13.11 mi0.68 mi14154-684175-374175-3715413(Top 58%)4947(Top 43%)4947(Top 263%)
25K15.53 mi2.42 mi14266-1124268-934268-9314914(Top 56%)4781(Top 42%)4781(Top 255%)
30K18.64 mi3.11 mi14660-3944532-2644532-26416290(Top 61%)5666(Top 50%)5666(Top 302%)
20M20.00 mi1.36 mi14898-2384704-1724704-17217486(Top 66%)6439(Top 56%)6439(Top 343%)
21M21.00 mi1.00 mi15114-2164872-1684872-16818211(Top 68%)6876(Top 60%)6876(Top 366%)
35K21.75 mi0.75 mi15228-1144967-954967-9518570(Top 70%)7139(Top 62%)7139(Top 380%)
23M23.00 mi1.25 mi15523-2955180-2135180-21318952(Top 71%)7374(Top 65%)7374(Top 393%)
24M24.00 mi1.00 mi15687-1645297-1175297-11718720(Top 70%)7283(Top 64%)7283(Top 388%)
40K24.85 mi0.85 mi15946-2595451-1545451-15420236(Top 76%)8180(Top 72%)8180(Top 436%)
25.2M25.20 mi0.35 mi16089-1435524-735524-7321469(Top 81%)8835(Top 77%)8835(Top 470%)
Finish26.22 mi1.02 mi16432-3435741-2175741-21722008(Top 83%)9119(Top 80%)9119(Top 486%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

14392

Females

4323

F40-44

4323

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

13242

Females

3582

F40-44

3582

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

14392

Females

4323

F40-44

4323

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

14862

Females

4630

F40-44

4630

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

15413

Females

4947

F40-44

4947

Half→25K

13.1 - 15.5 mi

Top 56%
×4stories
+66ft-88ft

Overall

14914

Females

4781

F40-44

4781

25K→30K

15.5 - 18.6 mi

Top 61%
×9stories
+181ft-148ft

Overall

16290

Females

5666

F40-44

5666

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

17486

Females

6439

F40-44

6439

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

18211

Females

6876

F40-44

6876

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

18570

Females

7139

F40-44

7139

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

18952

Females

7374

F40-44

7374

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

18720

Females

7283

F40-44

7283

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20236

Females

8180

F40-44

8180

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21469

Females

8835

F40-44

8835

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

22008

Females

9119

F40-44

9119

Passing Analysis

Category:
Athletes Passed
1143
Passed By
3551
Net Change
-2408
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14024
5K → 10K532150+382#14024#13642
10K → 15K94327-233#13642#13875
15K → 20K131342-211#13875#14086
20K → Half1583-68#14086#14154
Half → 25K109221-112#14154#14266
25K → 30K78472-394#14266#14660
30K → 20M32270-238#14660#14898
20M → 21M40256-216#14898#15114
21M → 35K21135-114#15114#15228
35K → 23M32327-295#15228#15523
23M → 24M26190-164#15523#15687
24M → 40K17276-259#15687#15946
40K → 25.2M5148-143#15946#16089
25.2M → Finish11354-343#16089#16432
TOTALS11433551-2408
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing