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BOSTON MARATHON 2023

Sara Sheehan

Bib: 15370•F

TX

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 43%
Gender (Female)
#0 / 11423
Top 25%
Division (F18-39)
#0 / 4884
Top 42%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:51/mi
24:23
↑ 97↓ 3451.5%
10K· 6.21 mi
7:47/mi
48:33
↑ 79↓ 1380.4%
15K· 9.32 mi
7:45/mi
1:12:38
↑ 67↓ 78
20K· 12.43 mi
7:58/mi
1:37:24
↑ 106↓ 860.1%
Half· 13.11 mi
7:49/mi
1:42:44
↑ 19↓ 370.5%
25K· 15.53 mi
8:03/mi
2:02:15
↑ 66↓ 880.2%
30K· 18.64 mi
8:06/mi
2:27:26
↑ 181↓ 1480.2%
20M
8:00/mi
2:38:18
↑ 64↓ 500.2%
21M
8:21/mi
2:46:39
↑ 106↓ 241.6%
35K· 21.75 mi
7:52/mi
2:52:32
↑ 17↓ 861.7%
23M
8:06/mi
3:02:40
↑ 23↓ 630.6%
24M
7:52/mi
3:10:32
↓ 821.3%
40K· 24.85 mi
7:54/mi
3:17:17
↓ 200.3%
25.2M
8:27/mi
3:20:12
↑ 13↓ 160.2%
Finish· 26.22 mi
7:26/mi
3:27:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:44
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:45:02
Pace8:01 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5624:237:5124:23
7:51
-
10K
6.21 mi11:18:0648:337:4924:10
7:47
-0:04
15K
9.32 mi11:42:111:12:387:4824:05
7:45
-0:02
20K
12.43 mi12:06:571:37:247:5024:46
7:58
+0:13
Half
13.11 mi12:12:171:42:447:505:20
7:49
-0:09
25K
15.53 mi12:31:482:02:157:5219:31
8:03
+0:14
30K
18.64 mi12:56:592:27:267:5525:11
8:06
+0:03
20M
20.00 mi13:07:512:38:187:5510:52
8:00
-0:06
21M
21.00 mi13:16:122:46:397:568:21
8:21
+0:21
35K
21.75 mi13:22:052:52:327:565:53
7:52
-0:29
23M
23.00 mi13:32:133:02:407:5710:08
8:06
+0:14
24M
24.00 mi13:40:053:10:327:567:52
7:52
-0:14
40K
24.85 mi13:46:503:17:177:566:45
7:54
+0:02
25.2M
25.20 mi13:49:453:20:127:572:55
8:27
+0:33
Finish
26.22 mi13:57:193:27:467:567:34
7:26
-1:01

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

7:26 /mi

Average Pace

7:56 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:30

95% of race

Time at Steady Pace

11:16

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:55 /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 mi10:53:5624:237:5124:23
7:51
#12834
10K
6.21 mi11:18:0648:337:4924:10
7:47
#12824
15K
9.32 mi11:42:111:12:387:4824:05
7:45
#12618
20K
12.43 mi12:06:571:37:247:5024:46
7:58
#12747
Half
13.11 mi12:12:171:42:447:505:20
7:49
#12745
25K
15.53 mi12:31:482:02:157:5219:31
8:03
#12783
30K
18.64 mi12:56:592:27:267:5525:11
8:06
#12543
20M
20.00 mi13:07:512:38:187:5510:52
8:00
#12345
21M
21.00 mi13:16:122:46:397:568:21
8:21
#12140
35K
21.75 mi13:22:052:52:327:565:53
7:52
#12103
23M
23.00 mi13:32:133:02:407:5710:08
8:06
#11990
24M
24.00 mi13:40:053:10:327:567:52
7:52
#11905
40K
24.85 mi13:46:503:17:177:566:45
7:54
#11782
25.2M
25.20 mi13:49:453:20:127:572:55
8:27
#11734
Finish
26.22 mi13:57:193:27:467:567:34
7:26
#11535
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi128343340334012324(Top 46%)3091(Top 27%)3091(Top 63%)
10K6.21 mi3.10 mi12824+103330+103330+1012955(Top 49%)3401(Top 30%)3401(Top 70%)
15K9.32 mi3.11 mi12618+2063241+893241+8912324(Top 46%)3091(Top 27%)3091(Top 63%)
20K12.43 mi3.11 mi12747-1293330-893330-8913207(Top 50%)3656(Top 32%)3656(Top 75%)
Half13.11 mi0.68 mi12745+23333-33333-312885(Top 48%)3414(Top 30%)3414(Top 70%)
25K15.53 mi2.42 mi12783-383385-523385-5213142(Top 49%)3703(Top 32%)3703(Top 76%)
30K18.64 mi3.11 mi12543+2403281+1043281+10411693(Top 44%)3013(Top 26%)3013(Top 62%)
20M20.00 mi1.36 mi12345+1983185+963185+9610273(Top 39%)2366(Top 21%)2366(Top 48%)
21M21.00 mi1.00 mi12140+2053089+963089+969570(Top 36%)2184(Top 19%)2184(Top 45%)
35K21.75 mi0.75 mi12103+373092-33092-311170(Top 42%)2957(Top 26%)2957(Top 61%)
23M23.00 mi1.25 mi11990+1133054+383054+3810431(Top 39%)2725(Top 24%)2725(Top 56%)
24M24.00 mi1.00 mi11905+853021+333021+3310304(Top 39%)2736(Top 24%)2736(Top 56%)
40K24.85 mi0.85 mi11782+1232969+522969+529355(Top 35%)2337(Top 20%)2337(Top 48%)
25.2M25.20 mi0.35 mi11734+482952+172952+179336(Top 35%)2395(Top 21%)2395(Top 49%)
Finish26.22 mi1.02 mi11535+1992874+782874+788010(Top 30%)1840(Top 16%)1840(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

12324

Females

3091

F18-39

3091

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

12955

Females

3401

F18-39

3401

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

12324

Females

3091

F18-39

3091

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

13207

Females

3656

F18-39

3656

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12885

Females

3414

F18-39

3414

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

13142

Females

3703

F18-39

3703

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11693

Females

3013

F18-39

3013

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

10273

Females

2366

F18-39

2366

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

9570

Females

2184

F18-39

2184

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11170

Females

2957

F18-39

2957

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

10431

Females

2725

F18-39

2725

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

10304

Females

2736

F18-39

2736

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9355

Females

2337

F18-39

2337

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9336

Females

2395

F18-39

2395

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

8010

Females

1840

F18-39

1840

Passing Analysis

Category:
Athletes Passed
2415
Passed By
1116
Net Change
+1299
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12834
5K → 10K310300+10#12834#12824
10K → 15K321115+206#12824#12618
15K → 20K144273-129#12618#12747
20K → Half3533+2#12747#12745
Half → 25K130168-38#12745#12783
25K → 30K31878+240#12783#12543
30K → 20M21618+198#12543#12345
20M → 21M21712+205#12345#12140
21M → 35K6831+37#12140#12103
35K → 23M14431+113#12103#11990
23M → 24M10823+85#11990#11905
24M → 40K13916+123#11905#11782
40K → 25.2M568+48#11782#11734
25.2M → Finish20910+199#11734#11535
TOTALS24151116+1299
📊

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