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BOSTON MARATHON 2023

Samantha Lee

Bib: 9294•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 24%
Gender (Female)
#0 / 11423
Top 6%
Division (F18-39)
#0 / 4884
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:13
Rank: #7202
Start → 5K
22:13 | 7:09/mi
10K· 6.21 mi
44:09
Rank: #7152 (+50)
5K → 10K
21:56 | 7:04/mi
15K· 9.32 mi
1:05:55
Rank: #6931 (+221)
10K → 15K
21:46 | 7:00/mi
20K· 12.43 mi
1:27:40
Rank: #6667 (+264)
15K → 20K
21:45 | 7:00/mi
Half· 13.11 mi
1:32:29
Rank: #6672 (-5)
20K → Half
4:49 | 7:04/mi
25K· 15.53 mi
1:49:30
Rank: #6497 (+175)
Half → 25K
17:01 | 7:01/mi
30K· 18.64 mi
2:11:56
Rank: #6278 (+219)
25K → 30K
22:26 | 7:13/mi
20M
2:21:54
Rank: #6212 (+66)
30K → 20M
9:58 | 7:20/mi
21M
2:30:01
Rank: #6248 (-36)
20M → 21M
8:07 | 8:07/mi
35K· 21.75 mi
2:35:33
Rank: #6274 (-26)
21M → 35K
5:32 | 7:24/mi
23M
2:45:17
Rank: #6320 (-46)
35K → 23M
9:44 | 7:46/mi
24M
2:52:55
Rank: #6352 (-32)
23M → 24M
7:38 | 7:38/mi
40K· 24.85 mi
2:59:27
Rank: #6364 (-12)
24M → 40K
6:32 | 7:38/mi
25.2M
3:02:19
Rank: #6365 (-1)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
3:09:53
Rank: #6403 (-38)
25.2M → Finish
7:34 | 7:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:29
Pace7:03 /mi
2nd Half
Distance13.11 mi
Time1:37:24
Pace7:26 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:4222:137:0922:13
7:09
-
10K
6.21 mi11:09:3844:097:0621:56
7:04
-0:05
15K
9.32 mi11:31:241:05:557:0421:46
7:00
-0:04
20K
12.43 mi11:53:091:27:407:0321:45
7:00
0:00
Half
13.11 mi11:57:581:32:297:034:49
7:04
+0:04
25K
15.53 mi12:14:591:49:307:0317:01
7:01
-0:03
30K
18.64 mi12:37:252:11:567:0522:26
7:13
+0:12
20M
20.00 mi12:47:232:21:547:069:58
7:20
+0:07
21M
21.00 mi12:55:302:30:017:098:07
8:07
+0:47
35K
21.75 mi13:01:022:35:337:095:32
7:24
-0:43
23M
23.00 mi13:10:462:45:177:119:44
7:46
+0:22
24M
24.00 mi13:18:242:52:557:127:38
7:38
-0:08
40K
24.85 mi13:24:562:59:277:136:32
7:38
0:00
25.2M
25.20 mi13:27:483:02:197:142:52
8:19
+0:41
Finish
26.22 mi13:35:223:09:537:157:34
7:26
-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

7:00 /mi

Average Pace

7:15 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:10

89% of race

Time at Steady Pace

17:51

9% of race

Time at Slower Pace

2:52

2% of race

Average Pace: 7:15 /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 mi10:47:4222:137:0922:13
7:09
#7202
10K
6.21 mi11:09:3844:097:0621:56
7:04
#7152
15K
9.32 mi11:31:241:05:557:0421:46
7:00
#6931
20K
12.43 mi11:53:091:27:407:0321:45
7:00
#6667
Half
13.11 mi11:57:581:32:297:034:49
7:04
#6672
25K
15.53 mi12:14:591:49:307:0317:01
7:01
#6497
30K
18.64 mi12:37:252:11:567:0522:26
7:13
#6278
20M
20.00 mi12:47:232:21:547:069:58
7:20
#6212
21M
21.00 mi12:55:302:30:017:098:07
8:07
#6248
35K
21.75 mi13:01:022:35:337:095:32
7:24
#6274
23M
23.00 mi13:10:462:45:177:119:44
7:46
#6320
24M
24.00 mi13:18:242:52:557:127:38
7:38
#6352
40K
24.85 mi13:24:562:59:277:136:32
7:38
#6364
25.2M
25.20 mi13:27:483:02:197:142:52
8:19
#6365
Finish
26.22 mi13:35:223:09:537:157:34
7:26
#6403
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi72027677676605(Top 25%)659(Top 6%)659(Top 13%)
10K6.21 mi3.10 mi7152+50768-1768-17187(Top 27%)806(Top 7%)806(Top 17%)
15K9.32 mi3.11 mi6931+221718+50718+506605(Top 25%)659(Top 6%)659(Top 13%)
20K12.43 mi3.11 mi6667+264671+47671+476004(Top 23%)525(Top 5%)525(Top 11%)
Half13.11 mi0.68 mi6672-56716716963(Top 26%)747(Top 7%)747(Top 15%)
25K15.53 mi2.42 mi6497+175640+31640+315696(Top 21%)476(Top 4%)476(Top 10%)
30K18.64 mi3.11 mi6278+219604+36604+365619(Top 21%)530(Top 5%)530(Top 11%)
20M20.00 mi1.36 mi6212+66594+10594+105850(Top 22%)665(Top 6%)665(Top 14%)
21M21.00 mi1.00 mi6248-36614-20614-208122(Top 31%)1560(Top 14%)1560(Top 32%)
35K21.75 mi0.75 mi6274-26621-7621-77792(Top 29%)1400(Top 12%)1400(Top 29%)
23M23.00 mi1.25 mi6320-46649-28649-288241(Top 31%)1679(Top 15%)1679(Top 34%)
24M24.00 mi1.00 mi6352-32671-22671-228641(Top 32%)1928(Top 17%)1928(Top 39%)
40K24.85 mi0.85 mi6364-12685-14685-147580(Top 28%)1587(Top 14%)1587(Top 32%)
25.2M25.20 mi0.35 mi6365-1690-5690-58416(Top 32%)1967(Top 17%)1967(Top 40%)
Finish26.22 mi1.02 mi6403-38712-22712-227974(Top 30%)1804(Top 16%)1804(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

6605

Females

659

F18-39

659

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7187

Females

806

F18-39

806

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

6605

Females

659

F18-39

659

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6004

Females

525

F18-39

525

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

6963

Females

747

F18-39

747

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5696

Females

476

F18-39

476

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5619

Females

530

F18-39

530

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5850

Females

665

F18-39

665

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8122

Females

1560

F18-39

1560

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

7792

Females

1400

F18-39

1400

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8241

Females

1679

F18-39

1679

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

8641

Females

1928

F18-39

1928

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7580

Females

1587

F18-39

1587

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8416

Females

1967

F18-39

1967

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

7974

Females

1804

F18-39

1804

Passing Analysis

Category:
Athletes Passed
1609
Passed By
810
Net Change
+799
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7202
5K → 10K244194+50#7202#7152
10K → 15K27251+221#7152#6931
15K → 20K27511+264#6931#6667
20K → Half1722-5#6667#6672
Half → 25K18813+175#6672#6497
25K → 30K24122+219#6497#6278
30K → 20M9529+66#6278#6212
20M → 21M4581-36#6212#6248
21M → 35K2147-26#6248#6274
35K → 23M57103-46#6274#6320
23M → 24M5183-32#6320#6352
24M → 40K4759-12#6352#6364
40K → 25.2M2526-1#6364#6365
25.2M → Finish3169-38#6365#6403
TOTALS1609810+799
📊

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