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BOSTON MARATHON 2023

Megan Lang

Bib: 14083•F

DC

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 39%
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
22:50
Rank: #8460
Start → 5K
22:50 | 7:21/mi
10K· 6.21 mi
45:27
Rank: #8557 (-97)
5K → 10K
22:37 | 7:17/mi
15K· 9.32 mi
1:08:26
Rank: #8787 (-230)
10K → 15K
22:59 | 7:24/mi
20K· 12.43 mi
1:31:52
Rank: #8944 (-157)
15K → 20K
23:26 | 7:33/mi
Half· 13.11 mi
1:36:54
Rank: #8952 (-8)
20K → Half
5:02 | 7:23/mi
25K· 15.53 mi
1:56:06
Rank: #9422 (-470)
Half → 25K
19:12 | 7:55/mi
30K· 18.64 mi
2:25:20
Rank: #11585 (-2163)
25K → 30K
29:14 | 9:25/mi
20M
2:37:31
Rank: #12017 (-432)
30K → 20M
12:11 | 8:58/mi
21M
2:48:28
Rank: #12839 (-822)
20M → 21M
10:57 | 10:57/mi
35K· 21.75 mi
2:54:49
Rank: #12938 (-99)
21M → 35K
6:21 | 8:29/mi
23M
3:06:28
Rank: #13260 (-322)
35K → 23M
11:39 | 9:18/mi
24M
3:15:55
Rank: #13610 (-350)
23M → 24M
9:27 | 9:27/mi
40K· 24.85 mi
3:24:41
Rank: #14018 (-408)
24M → 40K
8:46 | 10:15/mi
25.2M
3:28:19
Rank: #14146 (-128)
40K → 25.2M
3:38 | 10:32/mi
Finish· 26.22 mi
3:37:10
Rank: #14234 (-88)
25.2M → Finish
8:51 | 8:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:54
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time2:00:16
Pace9:10 /mi
📊Positive Split: 24.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5622:507:2122:50
7:21
-
10K
6.21 mi11:14:3345:277:1922:37
7:17
-0:04
15K
9.32 mi11:37:321:08:267:2122:59
7:24
+0:07
20K
12.43 mi12:00:581:31:527:2423:26
7:33
+0:09
Half
13.11 mi12:06:001:36:547:235:02
7:23
-0:10
25K
15.53 mi12:25:121:56:067:2819:12
7:55
+0:32
30K
18.64 mi12:54:262:25:207:4829:14
9:25
+1:30
20M
20.00 mi13:06:372:37:317:5312:11
8:58
-0:27
21M
21.00 mi13:17:342:48:288:0110:57
10:57
+1:59
35K
21.75 mi13:23:552:54:498:026:21
8:29
-2:28
23M
23.00 mi13:35:343:06:288:0611:39
9:18
+0:49
24M
24.00 mi13:45:013:15:558:109:27
9:27
+0:09
40K
24.85 mi13:53:473:24:418:148:46
10:15
+0:48
25.2M
25.20 mi13:57:253:28:198:163:38
10:32
+0:17
Finish
26.22 mi14:06:163:37:108:178:51
8:41
-1:51

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

7:17 /mi

Average Pace

8:17 /mi

Slowest Pace

10:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:06

53% of race

Time at Steady Pace

27:23

13% of race

Time at Slower Pace

1:13:41

34% of race

Average Pace: 8:17 /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 mi10:51:5622:507:2122:50
7:21
#8460
10K
6.21 mi11:14:3345:277:1922:37
7:17
#8557
15K
9.32 mi11:37:321:08:267:2122:59
7:24
#8787
20K
12.43 mi12:00:581:31:527:2423:26
7:33
#8944
Half
13.11 mi12:06:001:36:547:235:02
7:23
#8952
25K
15.53 mi12:25:121:56:067:2819:12
7:55
#9422
30K
18.64 mi12:54:262:25:207:4829:14
9:25
#11585
20M
20.00 mi13:06:372:37:317:5312:11
8:58
#12017
21M
21.00 mi13:17:342:48:288:0110:57
10:57
#12839
35K
21.75 mi13:23:552:54:498:026:21
8:29
#12938
23M
23.00 mi13:35:343:06:288:0611:39
9:18
#13260
24M
24.00 mi13:45:013:15:558:109:27
9:27
#13610
40K
24.85 mi13:53:473:24:418:148:46
10:15
#14018
25.2M
25.20 mi13:57:253:28:198:163:38
10:32
#14146
Finish
26.22 mi14:06:163:37:108:178:51
8:41
#14234
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8460117711779336(Top 35%)1562(Top 14%)1562(Top 32%)
10K6.21 mi3.10 mi8557-971244-671244-678736(Top 33%)1321(Top 12%)1321(Top 27%)
15K9.32 mi3.11 mi8787-2301345-1011345-1019336(Top 35%)1562(Top 14%)1562(Top 32%)
20K12.43 mi3.11 mi8944-1571420-751420-759675(Top 36%)1772(Top 16%)1772(Top 36%)
Half13.11 mi0.68 mi8952-81428-81428-89343(Top 35%)1635(Top 14%)1635(Top 33%)
25K15.53 mi2.42 mi9422-4701622-1941622-19412080(Top 45%)3130(Top 27%)3130(Top 64%)
30K18.64 mi3.11 mi11585-21632739-11172739-111719081(Top 72%)7236(Top 63%)7236(Top 148%)
20M20.00 mi1.36 mi12017-4323012-2733012-27316351(Top 61%)5776(Top 51%)5776(Top 118%)
21M21.00 mi1.00 mi12839-8223498-4863498-48620719(Top 78%)8301(Top 73%)8301(Top 170%)
35K21.75 mi0.75 mi12938-993573-753573-7515248(Top 57%)5252(Top 46%)5252(Top 108%)
23M23.00 mi1.25 mi13260-3223773-2003773-20017536(Top 66%)6590(Top 58%)6590(Top 135%)
24M24.00 mi1.00 mi13610-3504008-2354008-23519043(Top 72%)7463(Top 65%)7463(Top 153%)
40K24.85 mi0.85 mi14018-4084286-2784286-27820621(Top 77%)8393(Top 73%)8393(Top 172%)
25.2M25.20 mi0.35 mi14146-1284372-864372-8619213(Top 72%)7608(Top 67%)7608(Top 156%)
Finish26.22 mi1.02 mi14234-884448-764448-7616405(Top 62%)6042(Top 53%)6042(Top 124%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

9336

Females

1562

F18-39

1562

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

8736

Females

1321

F18-39

1321

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

9336

Females

1562

F18-39

1562

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

9675

Females

1772

F18-39

1772

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

9343

Females

1635

F18-39

1635

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

12080

Females

3130

F18-39

3130

25K→30K

15.5 - 18.6 mi

Top 72%
×9stories
+181ft-148ft

Overall

19081

Females

7236

F18-39

7236

30K→20M

18.6 - 20.0 mi

Top 61%
×5stories
+64ft-50ft

Overall

16351

Females

5776

F18-39

5776

20M→21M

20.0 - 21.0 mi

Top 78%
×8stories
+106ft-24ft

Overall

20719

Females

8301

F18-39

8301

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

15248

Females

5252

F18-39

5252

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

17536

Females

6590

F18-39

6590

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

19043

Females

7463

F18-39

7463

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20621

Females

8393

F18-39

8393

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19213

Females

7608

F18-39

7608

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

16405

Females

6042

F18-39

6042

Passing Analysis

Category:
Athletes Passed
563
Passed By
6336
Net Change
-5774
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8460
5K → 10K200297-97#8460#8557
10K → 15K69299-230#8557#8787
15K → 20K86243-157#8787#8944
20K → Half2331-8#8944#8952
Half → 25K26496-470#8952#9422
25K → 30K62168-2163#9422#11585
30K → 20M28460-432#11585#12017
20M → 21M7829-822#12017#12839
21M → 35K22121-99#12839#12938
35K → 23M23345-322#12938#13260
23M → 24M15365-350#13260#13610
24M → 40K13421-408#13610#14018
40K → 25.2M8136-128#14018#14146
25.2M → Finish37125-88#14146#14234
TOTALS5636336-5774
📊

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