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BOSTON MARATHON 2023

Lauryn Massic

Bib: 16927•F

NV

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0:00
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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
27:35
Rank: #19890
Start → 5K
8:53/mi
27:35 split
10K· 6.21 mi
54:12
Rank: #19254 (+636)
5K → 10K
8:34/mi
26:37 split
15K· 9.32 mi
1:18:51
Rank: #17595 (+1659)
10K → 15K
7:56/mi
24:39 split
20K· 12.43 mi
1:43:40
Rank: #16572 (+1023)
15K → 20K
7:59/mi
24:49 split
Half· 13.11 mi
1:49:00
Rank: #16404 (+168)
20K → Half
7:49/mi
5:20 split
25K· 15.53 mi
2:08:42
Rank: #15939 (+465)
Half → 25K
8:08/mi
19:42 split
30K· 18.64 mi
2:34:41
Rank: #15461 (+478)
25K → 30K
8:22/mi
25:59 split
20M
2:46:08
Rank: #15282 (+179)
30K → 20M
8:26/mi
11:27 split
21M
2:55:20
Rank: #15207 (+75)
20M → 21M
9:12/mi
9:12 split
35K· 21.75 mi
3:01:29
Rank: #15141 (+66)
21M → 35K
8:13/mi
6:09 split
23M
3:12:42
Rank: #15149 (-8)
35K → 23M
8:58/mi
11:13 split
24M
3:25:32
Rank: #16273 (-1124)
23M → 24M
12:50/mi
12:50 split
40K· 24.85 mi
3:34:17
Rank: #16525 (-252)
24M → 40K
10:14/mi
8:45 split
25.2M
3:37:58
Rank: #16596 (-71)
40K → 25.2M
10:41/mi
3:41 split
Finish· 26.22 mi
3:47:05
Rank: #16637 (-41)
25.2M → Finish
8:57/mi
9:07 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:00
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time1:58:05
Pace9:00 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:5027:358:5327:35
8:53
-
10K
6.21 mi12:16:2754:128:4326:37
8:34
-0:19
15K
9.32 mi12:41:061:18:518:2824:39
7:56
-0:38
20K
12.43 mi13:05:551:43:408:2124:49
7:59
+0:03
Half
13.11 mi13:11:151:49:008:195:20
7:49
-0:10
25K
15.53 mi13:30:572:08:428:1719:42
8:08
+0:19
30K
18.64 mi13:56:562:34:418:1825:59
8:22
+0:14
20M
20.00 mi14:08:232:46:088:1811:27
8:26
+0:04
21M
21.00 mi14:17:352:55:208:219:12
9:12
+0:46
35K
21.75 mi14:23:443:01:298:216:09
8:13
-0:59
23M
23.00 mi14:34:573:12:428:2311:13
8:58
+0:45
24M
24.00 mi14:47:473:25:328:3412:50
12:50
+3:52
40K
24.85 mi14:56:323:34:178:378:45
10:14
-2:36
25.2M
25.20 mi15:00:133:37:588:393:41
10:41
+0:27
Finish
26.22 mi15:09:203:47:058:409:07
8:57
-1:44

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

7:49 /mi

Average Pace

8:40 /mi

Slowest Pace

12:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

5:20

2% of race

Time at Steady Pace

3:16:29

87% of race

Time at Slower Pace

25:16

11% of race

Average Pace: 8:40 /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 mi11:49:5027:358:5327:35
8:53
#19890
10K
6.21 mi12:16:2754:128:4326:37
8:34
#19254
15K
9.32 mi12:41:061:18:518:2824:39
7:56
#17595
20K
12.43 mi13:05:551:43:408:2124:49
7:59
#16572
Half
13.11 mi13:11:151:49:008:195:20
7:49
#16404
25K
15.53 mi13:30:572:08:428:1719:42
8:08
#15939
30K
18.64 mi13:56:562:34:418:1825:59
8:22
#15461
20M
20.00 mi14:08:232:46:088:1811:27
8:26
#15282
21M
21.00 mi14:17:352:55:208:219:12
9:12
#15207
35K
21.75 mi14:23:443:01:298:216:09
8:13
#15141
23M
23.00 mi14:34:573:12:428:2311:13
8:58
#15149
24M
24.00 mi14:47:473:25:328:3412:50
12:50
#16273
40K
24.85 mi14:56:323:34:178:378:45
10:14
#16525
25.2M
25.20 mi15:00:133:37:588:393:41
10:41
#16596
Finish
26.22 mi15:09:203:47:058:409:07
8:57
#16637
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi198907736773613882(Top 52%)4022(Top 35%)4022(Top 82%)
10K6.21 mi3.10 mi19254+6367307+4297307+42918661(Top 70%)6871(Top 60%)6871(Top 141%)
15K9.32 mi3.11 mi17595+16596273+10346273+103413882(Top 52%)4022(Top 35%)4022(Top 82%)
20K12.43 mi3.11 mi16572+10235662+6115662+61113333(Top 50%)3731(Top 33%)3731(Top 76%)
Half13.11 mi0.68 mi16404+1685555+1075555+10712989(Top 49%)3518(Top 31%)3518(Top 72%)
25K15.53 mi2.42 mi15939+4655298+2575298+25713717(Top 52%)4052(Top 35%)4052(Top 83%)
30K18.64 mi3.11 mi15461+4785051+2475051+24713449(Top 51%)4006(Top 35%)4006(Top 82%)
20M20.00 mi1.36 mi15282+1794960+914960+9113211(Top 50%)3980(Top 35%)3980(Top 81%)
21M21.00 mi1.00 mi15207+754931+294931+2914511(Top 55%)4774(Top 42%)4774(Top 98%)
35K21.75 mi0.75 mi15141+664907+244907+2413663(Top 51%)4398(Top 39%)4398(Top 90%)
23M23.00 mi1.25 mi15149-84929-224929-2215859(Top 60%)5659(Top 50%)5659(Top 116%)
24M24.00 mi1.00 mi16273-11245618-6895618-68925356(Top 95%)10853(Top 95%)10853(Top 222%)
40K24.85 mi0.85 mi16525-2525784-1665784-16620579(Top 77%)8364(Top 73%)8364(Top 171%)
25.2M25.20 mi0.35 mi16596-715828-445828-4419658(Top 74%)7866(Top 69%)7866(Top 161%)
Finish26.22 mi1.02 mi16637-415861-335861-3317719(Top 67%)6763(Top 59%)6763(Top 138%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

13882

Females

4022

F18-39

4022

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

18661

Females

6871

F18-39

6871

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

13882

Females

4022

F18-39

4022

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

13333

Females

3731

F18-39

3731

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

12989

Females

3518

F18-39

3518

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13717

Females

4052

F18-39

4052

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

13449

Females

4006

F18-39

4006

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

13211

Females

3980

F18-39

3980

20M→21M

20.0 - 21.0 mi

Top 55%
×8stories
+106ft-24ft

Overall

14511

Females

4774

F18-39

4774

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

13663

Females

4398

F18-39

4398

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

15859

Females

5659

F18-39

5659

23M→24M

23.0 - 24.0 mi

Top 95%
×6stories
+12ft-82ft

Overall

25356

Females

10853

F18-39

10853

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20579

Females

8364

F18-39

8364

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19658

Females

7866

F18-39

7866

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

17719

Females

6763

F18-39

6763

Passing Analysis

Category:
Athletes Passed
5125
Passed By
1872
Net Change
+3253
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19890
5K → 10K756120+636#19890#19254
10K → 15K16601+1659#19254#17595
15K → 20K10252+1023#17595#16572
20K → Half1680+168#16572#16404
Half → 25K4694+465#16404#15939
25K → 30K49921+478#15939#15461
30K → 20M19415+179#15461#15282
20M → 21M12550+75#15282#15207
21M → 35K8115+66#15207#15141
35K → 23M7381-8#15141#15149
23M → 24M31127-1124#15149#16273
24M → 40K19271-252#16273#16525
40K → 25.2M1586-71#16525#16596
25.2M → Finish3879-41#16596#16637
TOTALS51251872+3253
📊

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