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BOSTON MARATHON 2023

Sarah Kelly

Bib: 13812•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 50%
Gender (Female)
#0 / 11423
Top 33%
Masters (Masters Women)
#0 / 6539
Top 20%
Division (F40-44)
#0 / 1878
Top 36%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:40
Rank: #15891
Start → 5K
25:40 | 8:16/mi
10K· 6.21 mi
50:28
Rank: #15258 (+633)
5K → 10K
24:48 | 7:59/mi
15K· 9.32 mi
1:15:16
Rank: #14944 (+314)
10K → 15K
24:48 | 7:59/mi
20K· 12.43 mi
1:40:09
Rank: #14553 (+391)
15K → 20K
24:53 | 8:01/mi
Half· 13.11 mi
1:45:37
Rank: #14560 (-7)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:05:13
Rank: #14346 (+214)
Half → 25K
19:36 | 8:05/mi
30K· 18.64 mi
2:30:55
Rank: #14074 (+272)
25K → 30K
25:42 | 8:16/mi
20M
2:42:09
Rank: #13892 (+182)
30K → 20M
11:14 | 8:16/mi
21M
2:50:47
Rank: #13715 (+177)
20M → 21M
8:38 | 8:38/mi
35K· 21.75 mi
2:56:56
Rank: #13683 (+32)
21M → 35K
6:09 | 8:13/mi
23M
3:07:24
Rank: #13572 (+111)
35K → 23M
10:28 | 8:22/mi
24M
3:15:29
Rank: #13457 (+115)
23M → 24M
8:05 | 8:05/mi
40K· 24.85 mi
3:22:31
Rank: #13357 (+100)
24M → 40K
7:02 | 8:14/mi
25.2M
3:25:34
Rank: #13311 (+46)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:33:28
Rank: #13181 (+130)
25.2M → Finish
7:54 | 7:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:37
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:47:51
Pace8:14 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:4225:408:1625:40
8:16
-
10K
6.21 mi11:18:3050:288:0724:48
7:59
-0:17
15K
9.32 mi11:43:181:15:168:0524:48
7:59
0:00
20K
12.43 mi12:08:111:40:098:0424:53
8:01
+0:02
Half
13.11 mi12:13:391:45:378:035:28
8:01
0:00
25K
15.53 mi12:33:152:05:138:0419:36
8:05
+0:04
30K
18.64 mi12:58:572:30:558:0625:42
8:16
+0:11
20M
20.00 mi13:10:112:42:098:0611:14
8:16
0:00
21M
21.00 mi13:18:492:50:478:088:38
8:38
+0:22
35K
21.75 mi13:24:582:56:568:086:09
8:13
-0:25
23M
23.00 mi13:35:263:07:248:0910:28
8:22
+0:09
24M
24.00 mi13:43:313:15:298:098:05
8:05
-0:17
40K
24.85 mi13:50:333:22:318:097:02
8:14
+0:09
25.2M
25.20 mi13:53:363:25:348:093:03
8:51
+0:37
Finish
26.22 mi14:01:303:33:288:097:54
7:45
-1:06

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

7:45 /mi

Average Pace

8:09 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:21:47

95% of race

Time at Steady Pace

11:41

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:08 /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 mi10:53:4225:408:1625:40
8:16
#15891
10K
6.21 mi11:18:3050:288:0724:48
7:59
#15258
15K
9.32 mi11:43:181:15:168:0524:48
7:59
#14944
20K
12.43 mi12:08:111:40:098:0424:53
8:01
#14553
Half
13.11 mi12:13:391:45:378:035:28
8:01
#14560
25K
15.53 mi12:33:152:05:138:0419:36
8:05
#14346
30K
18.64 mi12:58:572:30:558:0625:42
8:16
#14074
20M
20.00 mi13:10:112:42:098:0611:14
8:16
#13892
21M
21.00 mi13:18:492:50:478:088:38
8:38
#13715
35K
21.75 mi13:24:582:56:568:086:09
8:13
#13683
23M
23.00 mi13:35:263:07:248:0910:28
8:22
#13572
24M
24.00 mi13:43:313:15:298:098:05
8:05
#13457
40K
24.85 mi13:50:333:22:318:097:02
8:14
#13357
25.2M
25.20 mi13:53:363:25:348:093:03
8:51
#13311
Finish
26.22 mi14:01:303:33:288:097:54
7:45
#13181
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi158915209520914243(Top 54%)4223(Top 37%)4223(Top 225%)
10K6.21 mi3.10 mi15258+6334804+4054804+40514688(Top 55%)4471(Top 39%)4471(Top 238%)
15K9.32 mi3.11 mi14944+3144625+1794625+17914243(Top 54%)4223(Top 37%)4223(Top 225%)
20K12.43 mi3.11 mi14553+3914401+2244401+22413518(Top 51%)3826(Top 33%)3826(Top 204%)
Half13.11 mi0.68 mi14560-74401440114495(Top 54%)4364(Top 38%)4364(Top 232%)
25K15.53 mi2.42 mi14346+2144312+894312+8913413(Top 50%)3868(Top 34%)3868(Top 206%)
30K18.64 mi3.11 mi14074+2724192+1204192+12012855(Top 48%)3669(Top 32%)3669(Top 195%)
20M20.00 mi1.36 mi13892+1824095+974095+9712166(Top 46%)3374(Top 30%)3374(Top 180%)
21M21.00 mi1.00 mi13715+1774000+954000+9511296(Top 42%)3035(Top 27%)3035(Top 162%)
35K21.75 mi0.75 mi13683+323996+43996+413605(Top 51%)4340(Top 38%)4340(Top 231%)
23M23.00 mi1.25 mi13572+1113958+383958+3812329(Top 46%)3707(Top 32%)3707(Top 197%)
24M24.00 mi1.00 mi13457+1153912+463912+4611863(Top 45%)3525(Top 31%)3525(Top 188%)
40K24.85 mi0.85 mi13357+1003874+383874+3811576(Top 43%)3454(Top 30%)3454(Top 184%)
25.2M25.20 mi0.35 mi13311+463860+143860+1411661(Top 44%)3557(Top 31%)3557(Top 189%)
Finish26.22 mi1.02 mi13181+1303804+563804+5610364(Top 39%)2881(Top 25%)2881(Top 153%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

14243

Females

4223

F40-44

4223

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

14688

Females

4471

F40-44

4471

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

14243

Females

4223

F40-44

4223

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13518

Females

3826

F40-44

3826

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

14495

Females

4364

F40-44

4364

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

13413

Females

3868

F40-44

3868

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

12855

Females

3669

F40-44

3669

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

12166

Females

3374

F40-44

3374

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

11296

Females

3035

F40-44

3035

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

13605

Females

4340

F40-44

4340

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

12329

Females

3707

F40-44

3707

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

11863

Females

3525

F40-44

3525

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11576

Females

3454

F40-44

3454

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11661

Females

3557

F40-44

3557

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

10364

Females

2881

F40-44

2881

Passing Analysis

Category:
Athletes Passed
3199
Passed By
489
Net Change
+2710
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15891
5K → 10K72693+633#15891#15258
10K → 15K37662+314#15258#14944
15K → 20K42938+391#14944#14553
20K → Half3037-7#14553#14560
Half → 25K25238+214#14560#14346
25K → 30K32856+272#14346#14074
30K → 20M20018+182#14074#13892
20M → 21M19316+177#13892#13715
21M → 35K6230+32#13715#13683
35K → 23M14837+111#13683#13572
23M → 24M13419+115#13572#13457
24M → 40K11515+100#13457#13357
40K → 25.2M5711+46#13357#13311
25.2M → Finish14919+130#13311#13181
TOTALS3199489+2710
📊

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