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BOSTON MARATHON 2023

Layne Petrie

Bib: 32121•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
32:37
Rank: #24709
Start → 5K
32:37 | 10:30/mi
10K· 6.21 mi
1:07:14
Rank: #25302 (-593)
5K → 10K
34:37 | 11:09/mi
15K· 9.32 mi
1:38:54
Rank: #24832 (+470)
10K → 15K
31:40 | 10:12/mi
20K· 12.43 mi
2:10:48
Rank: #24462 (+370)
15K → 20K
31:54 | 10:16/mi
Half· 13.11 mi
2:17:41
Rank: #24413 (+49)
20K → Half
6:53 | 10:05/mi
25K· 15.53 mi
2:43:19
Rank: #24194 (+219)
Half → 25K
25:38 | 10:34/mi
30K· 18.64 mi
3:19:04
Rank: #24131 (+63)
25K → 30K
35:45 | 11:30/mi
20M
3:34:31
Rank: #24077 (+54)
30K → 20M
15:27 | 11:22/mi
21M
3:48:03
Rank: #24135 (-58)
20M → 21M
13:32 | 13:32/mi
35K· 21.75 mi
3:56:17
Rank: #24116 (+19)
21M → 35K
8:14 | 11:00/mi
23M
4:11:23
Rank: #24118 (-2)
35K → 23M
15:06 | 12:04/mi
24M
4:22:24
Rank: #24077 (+41)
23M → 24M
11:01 | 11:01/mi
40K· 24.85 mi
4:33:52
Rank: #24137 (-60)
24M → 40K
11:28 | 13:25/mi
25.2M
4:38:46
Rank: #24171 (-34)
40K → 25.2M
4:54 | 14:13/mi
Finish· 26.22 mi
4:49:53
Rank: #24172 (-1)
25.2M → Finish
11:07 | 10:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:17:41
Pace10:30 /mi
2nd Half
Distance13.11 mi
Time2:32:12
Pace11:37 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2632:3710:3032:37
10:30
-
10K
6.21 mi12:27:031:07:1410:4934:37
11:09
+0:39
15K
9.32 mi12:58:431:38:5410:3731:40
10:12
-0:57
20K
12.43 mi13:30:372:10:4810:3231:54
10:16
+0:04
Half
13.11 mi13:37:302:17:4110:306:53
10:05
-0:11
25K
15.53 mi14:03:082:43:1910:3125:38
10:34
+0:29
30K
18.64 mi14:38:533:19:0410:4135:45
11:30
+0:56
20M
20.00 mi14:54:203:34:3110:4415:27
11:22
-0:08
21M
21.00 mi15:07:523:48:0310:5213:32
13:32
+2:10
35K
21.75 mi15:16:063:56:1710:528:14
11:00
-2:32
23M
23.00 mi15:31:124:11:2310:5615:06
12:04
+1:04
24M
24.00 mi15:42:134:22:2410:5611:01
11:01
-1:03
40K
24.85 mi15:53:414:33:5211:0111:28
13:25
+2:24
25.2M
25.20 mi15:58:354:38:4611:044:54
14:13
+0:48
Finish
26.22 mi16:09:424:49:5311:0411:07
10:55
-3:18

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

10:05 /mi

Average Pace

11:04 /mi

Slowest Pace

14:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:27

24% of race

Time at Steady Pace

2:54:26

60% of race

Time at Slower Pace

45:00

16% of race

Average Pace: 11:03 /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 mi11:52:2632:3710:3032:37
10:30
#24709
10K
6.21 mi12:27:031:07:1410:4934:37
11:09
#25302
15K
9.32 mi12:58:431:38:5410:3731:40
10:12
#24832
20K
12.43 mi13:30:372:10:4810:3231:54
10:16
#24462
Half
13.11 mi13:37:302:17:4110:306:53
10:05
#24413
25K
15.53 mi14:03:082:43:1910:3125:38
10:34
#24194
30K
18.64 mi14:38:533:19:0410:4135:45
11:30
#24131
20M
20.00 mi14:54:203:34:3110:4415:27
11:22
#24077
21M
21.00 mi15:07:523:48:0310:5213:32
13:32
#24135
35K
21.75 mi15:16:063:56:1710:528:14
11:00
#24116
23M
23.00 mi15:31:124:11:2310:5615:06
12:04
#24118
24M
24.00 mi15:42:134:22:2410:5611:01
11:01
#24077
40K
24.85 mi15:53:414:33:5211:0111:28
13:25
#24137
25.2M
25.20 mi15:58:354:38:4611:044:54
14:13
#24171
Finish
26.22 mi16:09:424:49:5311:0411:07
10:55
#24172
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24709102791027923865(Top 90%)9821(Top 86%)9821(Top 201%)
10K6.21 mi3.10 mi25302-59310598-31910598-31925619(Top 96%)10806(Top 95%)10806(Top 221%)
15K9.32 mi3.11 mi24832+47010354+24410354+24423865(Top 90%)9821(Top 86%)9821(Top 201%)
20K12.43 mi3.11 mi24462+37010150+20410150+20423418(Top 88%)9574(Top 84%)9574(Top 196%)
Half13.11 mi0.68 mi24413+4910126+2410126+2423477(Top 88%)9623(Top 84%)9623(Top 197%)
25K15.53 mi2.42 mi24194+21910012+11410012+11423312(Top 88%)9564(Top 84%)9564(Top 196%)
30K18.64 mi3.11 mi24131+639995+179995+1723883(Top 90%)9955(Top 87%)9955(Top 204%)
20M20.00 mi1.36 mi24077+549982+139982+1323317(Top 88%)9692(Top 85%)9692(Top 198%)
21M21.00 mi1.00 mi24135-5810024-4210024-4224624(Top 92%)10415(Top 91%)10415(Top 213%)
35K21.75 mi0.75 mi24116+1910016+810016+823330(Top 88%)9781(Top 86%)9781(Top 200%)
23M23.00 mi1.25 mi24118-210029-1310029-1324092(Top 90%)10180(Top 89%)10180(Top 208%)
24M24.00 mi1.00 mi24077+4110011+1810011+1823094(Top 87%)9682(Top 85%)9682(Top 198%)
40K24.85 mi0.85 mi24137-6010054-4310054-4325294(Top 95%)10818(Top 95%)10818(Top 221%)
25.2M25.20 mi0.35 mi24171-3410077-2310077-2325157(Top 94%)10770(Top 94%)10770(Top 221%)
Finish26.22 mi1.02 mi24172-110080-310080-323814(Top 89%)10067(Top 88%)10067(Top 206%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21stories
+97ft-345ft

Overall

23865

Females

9821

F18-39

9821

5K→10K

3.1 - 6.2 mi

Top 96%
×5stories
+79ft-138ft

Overall

25619

Females

10806

F18-39

10806

10K→15K

6.2 - 9.3 mi

Top 90%
×3stories
+67ft-78ft

Overall

23865

Females

9821

F18-39

9821

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

23418

Females

9574

F18-39

9574

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

23477

Females

9623

F18-39

9623

Half→25K

13.1 - 15.5 mi

Top 88%
×4stories
+66ft-88ft

Overall

23312

Females

9564

F18-39

9564

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

23883

Females

9955

F18-39

9955

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

23317

Females

9692

F18-39

9692

20M→21M

20.0 - 21.0 mi

Top 92%
×8stories
+106ft-24ft

Overall

24624

Females

10415

F18-39

10415

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

23330

Females

9781

F18-39

9781

35K→23M

21.8 - 23.0 mi

Top 90%
×5stories
+23ft-63ft

Overall

24092

Females

10180

F18-39

10180

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

23094

Females

9682

F18-39

9682

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

25294

Females

10818

F18-39

10818

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

25157

Females

10770

F18-39

10770

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2stories
+22ft-21ft

Overall

23814

Females

10067

F18-39

10067

Passing Analysis

Category:
Athletes Passed
1567
Passed By
1030
Net Change
+537
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24709
5K → 10K35628-593#24709#25302
10K → 15K4733+470#25302#24832
15K → 20K3711+370#24832#24462
20K → Half512+49#24462#24413
Half → 25K2278+219#24413#24194
25K → 30K14279+63#24194#24131
30K → 20M8430+54#24131#24077
20M → 21M2078-58#24077#24135
21M → 35K278+19#24135#24116
35K → 23M3739-2#24116#24118
23M → 24M5413+41#24118#24077
24M → 40K1878-60#24077#24137
40K → 25.2M438-34#24137#24171
25.2M → Finish2425-1#24171#24172
TOTALS15671030+537
📊

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