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BOSTON MARATHON 2023

Sarah Lemerise

Bib: 24613•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:38
Rank: #23903
Start → 5K
31:38 | 10:11/mi
10K· 6.21 mi
1:00:54
Rank: #23170 (+733)
5K → 10K
29:16 | 9:25/mi
15K· 9.32 mi
1:29:58
Rank: #22733 (+437)
10K → 15K
29:04 | 9:21/mi
20K· 12.43 mi
2:00:19
Rank: #22640 (+93)
15K → 20K
30:21 | 9:46/mi
Half· 13.11 mi
2:06:43
Rank: #22594 (+46)
20K → Half
6:24 | 9:23/mi
25K· 15.53 mi
2:30:14
Rank: #22405 (+189)
Half → 25K
23:31 | 9:42/mi
30K· 18.64 mi
3:02:12
Rank: #22288 (+117)
25K → 30K
31:58 | 10:17/mi
20M
3:15:41
Rank: #22121 (+167)
30K → 20M
13:29 | 9:55/mi
21M
3:26:36
Rank: #22039 (+82)
20M → 21M
10:55 | 10:55/mi
35K· 21.75 mi
3:34:05
Rank: #22016 (+23)
21M → 35K
7:29 | 10:00/mi
23M
3:46:49
Rank: #21917 (+99)
35K → 23M
12:44 | 10:10/mi
24M
3:57:29
Rank: #21938 (-21)
23M → 24M
10:40 | 10:40/mi
40K· 24.85 mi
4:08:24
Rank: #22096 (-158)
24M → 40K
10:55 | 12:46/mi
25.2M
4:12:45
Rank: #22117 (-21)
40K → 25.2M
4:21 | 12:37/mi
Finish· 26.22 mi
4:23:31
Rank: #22151 (-34)
25.2M → Finish
10:46 | 10:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:43
Pace9:40 /mi
2nd Half
Distance13.11 mi
Time2:16:48
Pace10:26 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:1031:3810:1131:38
10:11
-
10K
6.21 mi12:20:261:00:549:4829:16
9:25
-0:46
15K
9.32 mi12:49:301:29:589:3929:04
9:21
-0:04
20K
12.43 mi13:19:512:00:199:4130:21
9:46
+0:25
Half
13.11 mi13:26:152:06:439:406:24
9:23
-0:23
25K
15.53 mi13:49:462:30:149:4023:31
9:42
+0:19
30K
18.64 mi14:21:443:02:129:4631:58
10:17
+0:35
20M
20.00 mi14:35:133:15:419:4713:29
9:55
-0:22
21M
21.00 mi14:46:083:26:369:5010:55
10:55
+1:00
35K
21.75 mi14:53:373:34:059:517:29
10:00
-0:55
23M
23.00 mi15:06:213:46:499:5212:44
10:10
+0:10
24M
24.00 mi15:17:013:57:299:5410:40
10:40
+0:30
40K
24.85 mi15:27:564:08:2410:0010:55
12:46
+2:06
25.2M
25.20 mi15:32:174:12:4510:024:21
12:37
-0:09
Finish
26.22 mi15:43:034:23:3110:0310:46
10:34
-2:03

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

9:21 /mi

Average Pace

10:03 /mi

Slowest Pace

12:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:04:44

25% of race

Time at Steady Pace

2:52:36

65% of race

Time at Slower Pace

26:11

10% of race

Average Pace: 10:03 /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 mi11:51:1031:3810:1131:38
10:11
#23903
10K
6.21 mi12:20:261:00:549:4829:16
9:25
#23170
15K
9.32 mi12:49:301:29:589:3929:04
9:21
#22733
20K
12.43 mi13:19:512:00:199:4130:21
9:46
#22640
Half
13.11 mi13:26:152:06:439:406:24
9:23
#22594
25K
15.53 mi13:49:462:30:149:4023:31
9:42
#22405
30K
18.64 mi14:21:443:02:129:4631:58
10:17
#22288
20M
20.00 mi14:35:133:15:419:4713:29
9:55
#22121
21M
21.00 mi14:46:083:26:369:5010:55
10:55
#22039
35K
21.75 mi14:53:373:34:059:517:29
10:00
#22016
23M
23.00 mi15:06:213:46:499:5212:44
10:10
#21917
24M
24.00 mi15:17:013:57:299:5410:40
10:40
#21938
40K
24.85 mi15:27:564:08:2410:0010:55
12:46
#22096
25.2M
25.20 mi15:32:174:12:4510:024:21
12:37
#22117
Finish
26.22 mi15:43:034:23:3110:0310:46
10:34
#22151
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi239039840984021833(Top 82%)8695(Top 76%)8695(Top 178%)
10K6.21 mi3.10 mi23170+7339452+3889452+38822280(Top 84%)8970(Top 79%)8970(Top 184%)
15K9.32 mi3.11 mi22733+4379201+2519201+25121833(Top 82%)8695(Top 76%)8695(Top 178%)
20K12.43 mi3.11 mi22640+939157+449157+4422334(Top 84%)8985(Top 79%)8985(Top 184%)
Half13.11 mi0.68 mi22594+469137+209137+2021792(Top 82%)8688(Top 76%)8688(Top 178%)
25K15.53 mi2.42 mi22405+1899054+839054+8321464(Top 81%)8541(Top 75%)8541(Top 175%)
30K18.64 mi3.11 mi22288+1179000+549000+5421757(Top 82%)8767(Top 77%)8767(Top 180%)
20M20.00 mi1.36 mi22121+1678915+858915+8520265(Top 76%)8010(Top 70%)8010(Top 164%)
21M21.00 mi1.00 mi22039+828879+368879+3620652(Top 78%)8270(Top 72%)8270(Top 169%)
35K21.75 mi0.75 mi22016+238869+108869+1021299(Top 80%)8656(Top 76%)8656(Top 177%)
23M23.00 mi1.25 mi21917+998824+458824+4520499(Top 77%)8232(Top 72%)8232(Top 169%)
24M24.00 mi1.00 mi21938-218843-198843-1922385(Top 84%)9304(Top 81%)9304(Top 190%)
40K24.85 mi0.85 mi22096-1588944-1018944-10124746(Top 93%)10544(Top 92%)10544(Top 216%)
25.2M25.20 mi0.35 mi22117-218960-168960-1623466(Top 88%)9906(Top 87%)9906(Top 203%)
Finish26.22 mi1.02 mi22151-348987-278987-2723144(Top 87%)9714(Top 85%)9714(Top 199%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

21833

Females

8695

F18-39

8695

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

22280

Females

8970

F18-39

8970

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

21833

Females

8695

F18-39

8695

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

22334

Females

8985

F18-39

8985

20K→Half

12.4 - 13.1 mi

Top 82%
×2stories
+19ft-37ft

Overall

21792

Females

8688

F18-39

8688

Half→25K

13.1 - 15.5 mi

Top 81%
×4stories
+66ft-88ft

Overall

21464

Females

8541

F18-39

8541

25K→30K

15.5 - 18.6 mi

Top 82%
×9stories
+181ft-148ft

Overall

21757

Females

8767

F18-39

8767

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

20265

Females

8010

F18-39

8010

20M→21M

20.0 - 21.0 mi

Top 78%
×8stories
+106ft-24ft

Overall

20652

Females

8270

F18-39

8270

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

21299

Females

8656

F18-39

8656

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

20499

Females

8232

F18-39

8232

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

22385

Females

9304

F18-39

9304

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

24746

Females

10544

F18-39

10544

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23466

Females

9906

F18-39

9906

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

23144

Females

9714

F18-39

9714

Passing Analysis

Category:
Athletes Passed
2347
Passed By
595
Net Change
+1752
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23903
5K → 10K76431+733#23903#23170
10K → 15K45821+437#23170#22733
15K → 20K18390+93#22733#22640
20K → Half493+46#22640#22594
Half → 25K20314+189#22594#22405
25K → 30K18265+117#22405#22288
30K → 20M1758+167#22288#22121
20M → 21M10018+82#22121#22039
21M → 35K4118+23#22039#22016
35K → 23M11011+99#22016#21917
23M → 24M3455-21#21917#21938
24M → 40K11169-158#21938#22096
40K → 25.2M1233-21#22096#22117
25.2M → Finish2559-34#22117#22151
TOTALS2347595+1752
📊

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