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BOSTON MARATHON 2023

Shauna Carpenter

Bib: 21072•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 50%
Masters (Masters Women)
#0 / 6539
Top 40%
Division (F45-49)
#0 / 1817
Top 47%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:06
Rank: #16894
Start → 5K
26:06 | 8:24/mi
10K· 6.21 mi
52:00
Rank: #16984 (-90)
5K → 10K
25:54 | 8:20/mi
15K· 9.32 mi
1:18:01
Rank: #16991 (-7)
10K → 15K
26:01 | 8:22/mi
20K· 12.43 mi
1:44:33
Rank: #17032 (-41)
15K → 20K
26:32 | 8:32/mi
Half· 13.11 mi
1:50:14
Rank: #17012 (+20)
20K → Half
5:41 | 8:20/mi
25K· 15.53 mi
2:10:42
Rank: #16826 (+186)
Half → 25K
20:28 | 8:26/mi
30K· 18.64 mi
2:38:29
Rank: #16793 (+33)
25K → 30K
27:47 | 8:57/mi
20M
2:50:39
Rank: #16733 (+60)
30K → 20M
12:10 | 8:57/mi
21M
3:00:13
Rank: #16701 (+32)
20M → 21M
9:34 | 9:34/mi
35K· 21.75 mi
3:06:32
Rank: #16616 (+85)
21M → 35K
6:19 | 8:27/mi
23M
3:17:47
Rank: #16589 (+27)
35K → 23M
11:15 | 8:59/mi
24M
3:26:25
Rank: #16519 (+70)
23M → 24M
8:38 | 8:38/mi
40K· 24.85 mi
3:33:54
Rank: #16430 (+89)
24M → 40K
7:29 | 8:45/mi
25.2M
3:37:10
Rank: #16397 (+33)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:46:00
Rank: #16373 (+24)
25.2M → Finish
8:50 | 8:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:14
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time1:55:46
Pace8:50 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:0726:068:2426:06
8:24
-
10K
6.21 mi11:45:0152:008:2225:54
8:20
-0:04
15K
9.32 mi12:11:021:18:018:2226:01
8:22
+0:02
20K
12.43 mi12:37:341:44:338:2526:32
8:32
+0:10
Half
13.11 mi12:43:151:50:148:255:41
8:20
-0:12
25K
15.53 mi13:03:432:10:428:2520:28
8:26
+0:06
30K
18.64 mi13:31:302:38:298:3027:47
8:57
+0:31
20M
20.00 mi13:43:402:50:398:3212:10
8:57
0:00
21M
21.00 mi13:53:143:00:138:359:34
9:34
+0:37
35K
21.75 mi13:59:333:06:328:356:19
8:27
-1:07
23M
23.00 mi14:10:483:17:478:3611:15
8:59
+0:32
24M
24.00 mi14:19:263:26:258:368:38
8:38
-0:21
40K
24.85 mi14:26:553:33:548:367:29
8:45
+0:07
25.2M
25.20 mi14:30:113:37:108:373:16
9:28
+0:43
Finish
26.22 mi14:39:013:46:008:388:50
8:40
-0:48

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

8:20 /mi

Average Pace

8:38 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:33:10

94% of race

Time at Steady Pace

12:50

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:37 /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 mi11:19:0726:068:2426:06
8:24
#16894
10K
6.21 mi11:45:0152:008:2225:54
8:20
#16984
15K
9.32 mi12:11:021:18:018:2226:01
8:22
#16991
20K
12.43 mi12:37:341:44:338:2526:32
8:32
#17032
Half
13.11 mi12:43:151:50:148:255:41
8:20
#17012
25K
15.53 mi13:03:432:10:428:2520:28
8:26
#16826
30K
18.64 mi13:31:302:38:298:3027:47
8:57
#16793
20M
20.00 mi13:43:402:50:398:3212:10
8:57
#16733
21M
21.00 mi13:53:143:00:138:359:34
9:34
#16701
35K
21.75 mi13:59:333:06:328:356:19
8:27
#16616
23M
23.00 mi14:10:483:17:478:3611:15
8:59
#16589
24M
24.00 mi14:19:263:26:258:368:38
8:38
#16519
40K
24.85 mi14:26:553:33:548:367:29
8:45
#16430
25.2M
25.20 mi14:30:113:37:108:373:16
9:28
#16397
Finish
26.22 mi14:39:013:46:008:388:50
8:40
#16373
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi168945856585617002(Top 64%)5916(Top 52%)5916(Top 326%)
10K6.21 mi3.10 mi16984-905904-485904-4817175(Top 65%)5983(Top 52%)5983(Top 329%)
15K9.32 mi3.11 mi16991-75902+25902+217002(Top 64%)5916(Top 52%)5916(Top 326%)
20K12.43 mi3.11 mi17032-415946-445946-4417121(Top 64%)6000(Top 53%)6000(Top 330%)
Half13.11 mi0.68 mi17012+205941+55941+516715(Top 63%)5726(Top 50%)5726(Top 315%)
25K15.53 mi2.42 mi16826+1865850+915850+9115869(Top 60%)5365(Top 47%)5365(Top 295%)
30K18.64 mi3.11 mi16793+335843+75843+716884(Top 63%)5998(Top 53%)5998(Top 330%)
20M20.00 mi1.36 mi16733+605829+145829+1416301(Top 61%)5750(Top 50%)5750(Top 316%)
21M21.00 mi1.00 mi16701+325817+125817+1216289(Top 61%)5791(Top 51%)5791(Top 319%)
35K21.75 mi0.75 mi16616+855781+365781+3615024(Top 56%)5129(Top 45%)5129(Top 282%)
23M23.00 mi1.25 mi16589+275784-35784-316013(Top 60%)5752(Top 50%)5752(Top 317%)
24M24.00 mi1.00 mi16519+705758+265758+2615299(Top 57%)5411(Top 47%)5411(Top 298%)
40K24.85 mi0.85 mi16430+895736+225736+2214855(Top 56%)5217(Top 46%)5217(Top 287%)
25.2M25.20 mi0.35 mi16397+335722+145722+1415132(Top 57%)5386(Top 47%)5386(Top 296%)
Finish26.22 mi1.02 mi16373+245702+205702+2016351(Top 61%)6020(Top 53%)6020(Top 331%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

17002

Females

5916

F45-49

5916

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

17175

Females

5983

F45-49

5983

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

17002

Females

5916

F45-49

5916

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

17121

Females

6000

F45-49

6000

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

16715

Females

5726

F45-49

5726

Half→25K

13.1 - 15.5 mi

Top 60%
×4stories
+66ft-88ft

Overall

15869

Females

5365

F45-49

5365

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

16884

Females

5998

F45-49

5998

30K→20M

18.6 - 20.0 mi

Top 61%
×5stories
+64ft-50ft

Overall

16301

Females

5750

F45-49

5750

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

16289

Females

5791

F45-49

5791

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

15024

Females

5129

F45-49

5129

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

16013

Females

5752

F45-49

5752

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

15299

Females

5411

F45-49

5411

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14855

Females

5217

F45-49

5217

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15132

Females

5386

F45-49

5386

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

16351

Females

6020

F45-49

6020

Passing Analysis

Category:
Athletes Passed
1798
Passed By
1277
Net Change
+521
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16894
5K → 10K261351-90#16894#16984
10K → 15K201208-7#16984#16991
15K → 20K168209-41#16991#17032
20K → Half3616+20#17032#17012
Half → 25K22236+186#17012#16826
25K → 30K181148+33#16826#16793
30K → 20M11050+60#16793#16733
20M → 21M9967+32#16733#16701
21M → 35K9813+85#16701#16616
35K → 23M8659+27#16616#16589
23M → 24M10030+70#16589#16519
24M → 40K12031+89#16519#16430
40K → 25.2M4714+33#16430#16397
25.2M → Finish6945+24#16397#16373
TOTALS17981277+521
📊

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