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BOSTON MARATHON 2023

Amy Lamberti

Bib: 24845•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:35
Rank: #23041
Start → 5K
30:35 | 9:51/mi
10K· 6.21 mi
1:01:47
Rank: #23502 (-461)
5K → 10K
31:12 | 10:03/mi
15K· 9.32 mi
1:30:24
Rank: #22870 (+632)
10K → 15K
28:37 | 9:13/mi
20K· 12.43 mi
1:59:43
Rank: #22503 (+367)
15K → 20K
29:19 | 9:26/mi
Half· 13.11 mi
2:05:57
Rank: #22427 (+76)
20K → Half
6:14 | 9:08/mi
25K· 15.53 mi
2:32:12
Rank: #22713 (-286)
Half → 25K
26:15 | 10:50/mi
30K· 18.64 mi
3:03:04
Rank: #22384 (+329)
25K → 30K
30:52 | 9:56/mi
20M
3:19:59
Rank: #22636 (-252)
30K → 20M
16:55 | 12:27/mi
21M
3:30:11
Rank: #22445 (+191)
20M → 21M
10:12 | 10:12/mi
35K· 21.75 mi
3:38:10
Rank: #22454 (-9)
21M → 35K
7:59 | 10:40/mi
23M
3:55:12
Rank: #22765 (-311)
35K → 23M
17:02 | 13:36/mi
24M
4:05:01
Rank: #22654 (+111)
23M → 24M
9:49 | 9:49/mi
40K· 24.85 mi
4:13:47
Rank: #22601 (+53)
24M → 40K
8:46 | 10:15/mi
25.2M
4:17:26
Rank: #22566 (+35)
40K → 25.2M
3:39 | 10:35/mi
Finish· 26.22 mi
4:26:53
Rank: #22464 (+102)
25.2M → Finish
9:27 | 9:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:57
Pace9:36 /mi
2nd Half
Distance13.11 mi
Time2:20:56
Pace10:45 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:5330:359:5130:35
9:51
-
10K
6.21 mi12:21:051:01:479:5731:12
10:03
+0:12
15K
9.32 mi12:49:421:30:249:4228:37
9:13
-0:50
20K
12.43 mi13:19:011:59:439:3829:19
9:26
+0:13
Half
13.11 mi13:25:152:05:579:366:14
9:08
-0:18
25K
15.53 mi13:51:302:32:129:4826:15
10:50
+1:42
30K
18.64 mi14:22:223:03:049:4930:52
9:56
-0:54
20M
20.00 mi14:39:173:19:5910:0016:55
12:27
+2:31
21M
21.00 mi14:49:293:30:1110:0110:12
10:12
-2:15
35K
21.75 mi14:57:283:38:1010:027:59
10:40
+0:28
23M
23.00 mi15:14:303:55:1210:1417:02
13:36
+2:56
24M
24.00 mi15:24:194:05:0110:139:49
9:49
-3:47
40K
24.85 mi15:33:054:13:4710:138:46
10:15
+0:26
25.2M
25.20 mi15:36:444:17:2610:133:39
10:35
+0:20
Finish
26.22 mi15:46:114:26:5310:119:27
9:16
-1:19

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

9:08 /mi

Average Pace

10:11 /mi

Slowest Pace

13:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:13:37

28% of race

Time at Steady Pace

2:05:05

47% of race

Time at Slower Pace

1:08:11

26% of race

Average Pace: 10:11 /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 mi11:49:5330:359:5130:35
9:51
#23041
10K
6.21 mi12:21:051:01:479:5731:12
10:03
#23502
15K
9.32 mi12:49:421:30:249:4228:37
9:13
#22870
20K
12.43 mi13:19:011:59:439:3829:19
9:26
#22503
Half
13.11 mi13:25:152:05:579:366:14
9:08
#22427
25K
15.53 mi13:51:302:32:129:4826:15
10:50
#22713
30K
18.64 mi14:22:223:03:049:4930:52
9:56
#22384
20M
20.00 mi14:39:173:19:5910:0016:55
12:27
#22636
21M
21.00 mi14:49:293:30:1110:0110:12
10:12
#22445
35K
21.75 mi14:57:283:38:1010:027:59
10:40
#22454
23M
23.00 mi15:14:303:55:1210:1417:02
13:36
#22765
24M
24.00 mi15:24:194:05:0110:139:49
9:49
#22654
40K
24.85 mi15:33:054:13:4710:138:46
10:15
#22601
25.2M
25.20 mi15:36:444:17:2610:133:39
10:35
#22566
Finish
26.22 mi15:46:114:26:5310:119:27
9:16
#22464
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi230419415941521353(Top 80%)8428(Top 74%)8428(Top 698%)
10K6.21 mi3.10 mi23502-4619623-2089623-20823783(Top 89%)9773(Top 86%)9773(Top 810%)
15K9.32 mi3.11 mi22870+6329272+3519272+35121353(Top 80%)8428(Top 74%)8428(Top 698%)
20K12.43 mi3.11 mi22503+3679090+1829090+18221352(Top 80%)8437(Top 74%)8437(Top 699%)
Half13.11 mi0.68 mi22427+769047+439047+4321002(Top 79%)8258(Top 72%)8258(Top 684%)
25K15.53 mi2.42 mi22713-2869215-1689215-16823717(Top 89%)9801(Top 86%)9801(Top 812%)
30K18.64 mi3.11 mi22384+3299055+1609055+16020841(Top 78%)8255(Top 72%)8255(Top 684%)
20M20.00 mi1.36 mi22636-2529213-1589213-15824682(Top 93%)10434(Top 91%)10434(Top 864%)
21M21.00 mi1.00 mi22445+1919114+999114+9918741(Top 70%)7196(Top 63%)7196(Top 596%)
35K21.75 mi0.75 mi22454-99122-89122-822708(Top 85%)9426(Top 83%)9426(Top 781%)
23M23.00 mi1.25 mi22765-3119302-1809302-18025578(Top 96%)10945(Top 96%)10945(Top 907%)
24M24.00 mi1.00 mi22654+1119247+559247+5520309(Top 76%)8162(Top 71%)8162(Top 676%)
40K24.85 mi0.85 mi22601+539228+199228+1920644(Top 78%)8416(Top 74%)8416(Top 697%)
25.2M25.20 mi0.35 mi22566+359213+159213+1519426(Top 73%)7760(Top 68%)7760(Top 643%)
Finish26.22 mi1.02 mi22464+1029163+509163+5019287(Top 72%)7612(Top 67%)7612(Top 631%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

21353

Females

8428

F50-54

8428

5K→10K

3.1 - 6.2 mi

Top 89%
×5stories
+79ft-138ft

Overall

23783

Females

9773

F50-54

9773

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

21353

Females

8428

F50-54

8428

15K→20K

9.3 - 12.4 mi

Top 80%
×5stories
+106ft-86ft

Overall

21352

Females

8437

F50-54

8437

20K→Half

12.4 - 13.1 mi

Top 79%
×2stories
+19ft-37ft

Overall

21002

Females

8258

F50-54

8258

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

23717

Females

9801

F50-54

9801

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

20841

Females

8255

F50-54

8255

30K→20M

18.6 - 20.0 mi

Top 93%
×5stories
+64ft-50ft

Overall

24682

Females

10434

F50-54

10434

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

18741

Females

7196

F50-54

7196

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

22708

Females

9426

F50-54

9426

35K→23M

21.8 - 23.0 mi

Top 96%
×5stories
+23ft-63ft

Overall

25578

Females

10945

F50-54

10945

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

20309

Females

8162

F50-54

8162

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20644

Females

8416

F50-54

8416

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19426

Females

7760

F50-54

7760

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2stories
+22ft-21ft

Overall

19287

Females

7612

F50-54

7612

Passing Analysis

Category:
Athletes Passed
2106
Passed By
1529
Net Change
+577
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23041
5K → 10K72533-461#23041#23502
10K → 15K6397+632#23502#22870
15K → 20K38619+367#22870#22503
20K → Half804+76#22503#22427
Half → 25K31317-286#22427#22713
25K → 30K3378+329#22713#22384
30K → 20M11263-252#22384#22636
20M → 21M1932+191#22636#22445
21M → 35K3241-9#22445#22454
35K → 23M11322-311#22454#22765
23M → 24M1143+111#22765#22654
24M → 40K585+53#22654#22601
40K → 25.2M372+35#22601#22566
25.2M → Finish1053+102#22566#22464
TOTALS21061529+577
📊

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