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BOSTON MARATHON 2023

Carolyn Harper

Bib: 16935•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 32%
Gender (Female)
#0 / 11423
Top 12%
Division (F18-39)
#0 / 4884
Top 23%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:15
Rank: #7280
Start → 5K
7:10/mi
22:15 split
10K· 6.21 mi
44:52
Rank: #7915 (-635)
5K → 10K
7:17/mi
22:37 split
15K· 9.32 mi
1:07:20
Rank: #7939 (-24)
10K → 15K
7:14/mi
22:28 split
20K· 12.43 mi
1:30:01
Rank: #7862 (+77)
15K → 20K
7:18/mi
22:41 split
Half· 13.11 mi
1:34:56
Rank: #7857 (+5)
20K → Half
7:12/mi
4:55 split
25K· 15.53 mi
1:52:31
Rank: #7683 (+174)
Half → 25K
7:15/mi
17:35 split
30K· 18.64 mi
2:15:37
Rank: #7463 (+220)
25K → 30K
7:26/mi
23:06 split
20M
2:26:07
Rank: #7479 (-16)
30K → 20M
7:44/mi
10:30 split
21M
2:34:26
Rank: #7551 (-72)
20M → 21M
8:19/mi
8:19 split
35K· 21.75 mi
2:40:02
Rank: #7562 (-11)
21M → 35K
7:29/mi
5:36 split
23M
2:50:02
Rank: #7634 (-72)
35K → 23M
7:59/mi
10:00 split
24M
2:57:55
Rank: #7731 (-97)
23M → 24M
7:53/mi
7:53 split
40K· 24.85 mi
3:04:54
Rank: #7855 (-124)
24M → 40K
8:10/mi
6:59 split
25.2M
3:08:18
Rank: #7994 (-139)
40K → 25.2M
9:52/mi
3:24 split
Finish· 26.22 mi
3:17:27
Rank: #8447 (-453)
25.2M → Finish
8:59/mi
9:09 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:56
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:42:31
Pace7:49 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:1822:157:1022:15
7:10
-
10K
6.21 mi11:34:5544:527:1322:37
7:17
+0:07
15K
9.32 mi11:57:231:07:207:1322:28
7:14
-0:03
20K
12.43 mi12:20:041:30:017:1522:41
7:18
+0:04
Half
13.11 mi12:24:591:34:567:144:55
7:12
-0:06
25K
15.53 mi12:42:341:52:317:1517:35
7:15
+0:03
30K
18.64 mi13:05:402:15:377:1723:06
7:26
+0:11
20M
20.00 mi13:16:102:26:077:1810:30
7:44
+0:18
21M
21.00 mi13:24:292:34:267:218:19
8:19
+0:35
35K
21.75 mi13:30:052:40:027:225:36
7:29
-0:50
23M
23.00 mi13:40:052:50:027:2410:00
7:59
+0:30
24M
24.00 mi13:47:582:57:557:257:53
7:53
-0:06
40K
24.85 mi13:54:573:04:547:266:59
8:10
+0:17
25.2M
25.20 mi13:58:213:08:187:283:24
9:52
+1:42
Finish
26.22 mi14:07:303:17:277:329:09
8:59
-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

7:10 /mi

Average Pace

7:32 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:31:43

77% of race

Time at Slower Pace

45:44

23% of race

Average Pace: 7:32 /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 mi11:12:1822:157:1022:15
7:10
#7280
10K
6.21 mi11:34:5544:527:1322:37
7:17
#7915
15K
9.32 mi11:57:231:07:207:1322:28
7:14
#7939
20K
12.43 mi12:20:041:30:017:1522:41
7:18
#7862
Half
13.11 mi12:24:591:34:567:144:55
7:12
#7857
25K
15.53 mi12:42:341:52:317:1517:35
7:15
#7683
30K
18.64 mi13:05:402:15:377:1723:06
7:26
#7463
20M
20.00 mi13:16:102:26:077:1810:30
7:44
#7479
21M
21.00 mi13:24:292:34:267:218:19
8:19
#7551
35K
21.75 mi13:30:052:40:027:225:36
7:29
#7562
23M
23.00 mi13:40:052:50:027:2410:00
7:59
#7634
24M
24.00 mi13:47:582:57:557:257:53
7:53
#7731
40K
24.85 mi13:54:573:04:547:266:59
8:10
#7855
25.2M
25.20 mi13:58:213:08:187:283:24
9:52
#7994
Finish
26.22 mi14:07:303:17:277:329:09
8:59
#8447
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi72807917918030(Top 30%)1080(Top 9%)1080(Top 22%)
10K6.21 mi3.10 mi7915-635988-197988-1978727(Top 33%)1312(Top 11%)1312(Top 27%)
15K9.32 mi3.11 mi7939-241015-271015-278030(Top 30%)1080(Top 9%)1080(Top 22%)
20K12.43 mi3.11 mi7862+771002+131002+137810(Top 29%)1041(Top 9%)1041(Top 21%)
Half13.11 mi0.68 mi7857+5100210027991(Top 30%)1100(Top 10%)1100(Top 23%)
25K15.53 mi2.42 mi7683+174960+42960+426980(Top 26%)836(Top 7%)836(Top 17%)
30K18.64 mi3.11 mi7463+220919+41919+416820(Top 26%)874(Top 8%)874(Top 18%)
20M20.00 mi1.36 mi7479-16948-29948-298383(Top 31%)1547(Top 14%)1547(Top 32%)
21M21.00 mi1.00 mi7551-72992-44992-449336(Top 35%)2061(Top 18%)2061(Top 42%)
35K21.75 mi0.75 mi7562-111003-111003-118482(Top 32%)1681(Top 15%)1681(Top 34%)
23M23.00 mi1.25 mi7634-721046-431046-439660(Top 36%)2324(Top 20%)2324(Top 48%)
24M24.00 mi1.00 mi7731-971108-621108-6210416(Top 39%)2782(Top 24%)2782(Top 57%)
40K24.85 mi0.85 mi7855-1241170-621170-6211147(Top 42%)3217(Top 28%)3217(Top 66%)
25.2M25.20 mi0.35 mi7994-1391236-661236-6616803(Top 63%)6294(Top 55%)6294(Top 129%)
Finish26.22 mi1.02 mi8447-4531420-1841420-18417876(Top 67%)6838(Top 60%)6838(Top 140%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

8030

Females

1080

F18-39

1080

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

8727

Females

1312

F18-39

1312

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

8030

Females

1080

F18-39

1080

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

7810

Females

1041

F18-39

1041

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

7991

Females

1100

F18-39

1100

Half→25K

13.1 - 15.5 mi

Top 26%
×4story building
+66ft-88ft

Overall

6980

Females

836

F18-39

836

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

6820

Females

874

F18-39

874

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8383

Females

1547

F18-39

1547

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9336

Females

2061

F18-39

2061

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

8482

Females

1681

F18-39

1681

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

9660

Females

2324

F18-39

2324

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

10416

Females

2782

F18-39

2782

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11147

Females

3217

F18-39

3217

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16803

Females

6294

F18-39

6294

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

17876

Females

6838

F18-39

6838

Passing Analysis

Category:
Athletes Passed
1083
Passed By
2250
Net Change
-1167
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7280
5K → 10K56691-635#7280#7915
10K → 15K131155-24#7915#7939
15K → 20K15073+77#7939#7862
20K → Half2318+5#7862#7857
Half → 25K19622+174#7857#7683
25K → 30K25030+220#7683#7463
30K → 20M6480-16#7463#7479
20M → 21M38110-72#7479#7551
21M → 35K3647-11#7551#7562
35K → 23M55127-72#7562#7634
23M → 24M44141-97#7634#7731
24M → 40K30154-124#7731#7855
40K → 25.2M5144-139#7855#7994
25.2M → Finish5458-453#7994#8447
TOTALS10832250-1167
📊

Passing Visuals

Category:
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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