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BOSTON MARATHON 2023

Laura Specker Sullivan

Bib: 17035•F

PA

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
25:51
Rank: #16309
Start → 5K
25:51 | 8:19/mi
10K· 6.21 mi
51:56
Rank: #16912 (-603)
5K → 10K
26:05 | 8:24/mi
15K· 9.32 mi
1:19:13
Rank: #17850 (-938)
10K → 15K
27:17 | 8:47/mi
20K· 12.43 mi
1:45:58
Rank: #17745 (+105)
15K → 20K
26:45 | 8:37/mi
Half· 13.11 mi
1:51:38
Rank: #17665 (+80)
20K → Half
5:40 | 8:18/mi
25K· 15.53 mi
2:13:28
Rank: #17899 (-234)
Half → 25K
21:50 | 9:00/mi
30K· 18.64 mi
2:41:48
Rank: #17850 (+49)
25K → 30K
28:20 | 9:07/mi
20M
2:53:59
Rank: #17721 (+129)
30K → 20M
12:11 | 8:58/mi
21M
3:03:42
Rank: #17685 (+36)
20M → 21M
9:43 | 9:43/mi
35K· 21.75 mi
3:10:22
Rank: #17660 (+25)
21M → 35K
6:40 | 8:55/mi
23M
3:21:38
Rank: #17553 (+107)
35K → 23M
11:16 | 9:00/mi
24M
3:30:34
Rank: #17543 (+10)
23M → 24M
8:56 | 8:56/mi
40K· 24.85 mi
3:38:11
Rank: #17471 (+72)
24M → 40K
7:37 | 8:54/mi
25.2M
3:41:24
Rank: #17425 (+46)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:50:04
Rank: #17357 (+68)
25.2M → Finish
8:40 | 8:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:38
Pace8:31 /mi
2nd Half
Distance13.11 mi
Time1:58:26
Pace9:02 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:3625:518:1925:51
8:19
-
10K
6.21 mi11:42:4151:568:2126:05
8:24
+0:05
15K
9.32 mi12:09:581:19:138:3027:17
8:47
+0:23
20K
12.43 mi12:36:431:45:588:3226:45
8:37
-0:10
Half
13.11 mi12:42:231:51:388:315:40
8:18
-0:19
25K
15.53 mi13:04:132:13:288:3621:50
9:00
+0:42
30K
18.64 mi13:32:332:41:488:4128:20
9:07
+0:07
20M
20.00 mi13:44:442:53:598:4212:11
8:58
-0:09
21M
21.00 mi13:54:273:03:428:459:43
9:43
+0:45
35K
21.75 mi14:01:073:10:228:456:40
8:55
-0:48
23M
23.00 mi14:12:233:21:388:4611:16
9:00
+0:05
24M
24.00 mi14:21:193:30:348:468:56
8:56
-0:04
40K
24.85 mi14:28:563:38:118:477:37
8:54
-0:02
25.2M
25.20 mi14:32:093:41:248:473:13
9:20
+0:26
Finish
26.22 mi14:40:493:50:048:478:40
8:30
-0:50

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

8:18 /mi

Average Pace

8:47 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:37:08

94% of race

Time at Steady Pace

12:56

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:46 /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 mi11:16:3625:518:1925:51
8:19
#16309
10K
6.21 mi11:42:4151:568:2126:05
8:24
#16912
15K
9.32 mi12:09:581:19:138:3027:17
8:47
#17850
20K
12.43 mi12:36:431:45:588:3226:45
8:37
#17745
Half
13.11 mi12:42:231:51:388:315:40
8:18
#17665
25K
15.53 mi13:04:132:13:288:3621:50
9:00
#17899
30K
18.64 mi13:32:332:41:488:4128:20
9:07
#17850
20M
20.00 mi13:44:442:53:598:4212:11
8:58
#17721
21M
21.00 mi13:54:273:03:428:459:43
9:43
#17685
35K
21.75 mi14:01:073:10:228:456:40
8:55
#17660
23M
23.00 mi14:12:233:21:388:4611:16
9:00
#17553
24M
24.00 mi14:21:193:30:348:468:56
8:56
#17543
40K
24.85 mi14:28:563:38:118:477:37
8:54
#17471
25.2M
25.20 mi14:32:093:41:248:473:13
9:20
#17425
Finish
26.22 mi14:40:493:50:048:478:40
8:30
#17357
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi163095476547619405(Top 73%)7330(Top 64%)7330(Top 150%)
10K6.21 mi3.10 mi16912-6035855-3795855-37917572(Top 66%)6227(Top 55%)6227(Top 127%)
15K9.32 mi3.11 mi17850-9386434-5796434-57919405(Top 73%)7330(Top 64%)7330(Top 150%)
20K12.43 mi3.11 mi17745+1056372+626372+6217562(Top 66%)6264(Top 55%)6264(Top 128%)
Half13.11 mi0.68 mi17665+806323+496323+4916581(Top 62%)5664(Top 50%)5664(Top 116%)
25K15.53 mi2.42 mi17899-2346480-1576480-15718978(Top 71%)7114(Top 62%)7114(Top 146%)
30K18.64 mi3.11 mi17850+496470+106470+1017794(Top 67%)6518(Top 57%)6518(Top 133%)
20M20.00 mi1.36 mi17721+1296411+596411+5916372(Top 61%)5797(Top 51%)5797(Top 119%)
21M21.00 mi1.00 mi17685+366401+106401+1016934(Top 64%)6150(Top 54%)6150(Top 126%)
35K21.75 mi0.75 mi17660+256402-16402-117520(Top 66%)6562(Top 57%)6562(Top 134%)
23M23.00 mi1.25 mi17553+1076355+476355+4716089(Top 60%)5796(Top 51%)5796(Top 119%)
24M24.00 mi1.00 mi17543+106359-46359-416941(Top 64%)6322(Top 55%)6322(Top 129%)
40K24.85 mi0.85 mi17471+726324+356324+3515692(Top 59%)5684(Top 50%)5684(Top 116%)
25.2M25.20 mi0.35 mi17425+466308+166308+1614430(Top 54%)5000(Top 44%)5000(Top 102%)
Finish26.22 mi1.02 mi17357+686280+286280+2815487(Top 58%)5534(Top 48%)5534(Top 113%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

19405

Females

7330

F18-39

7330

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

17572

Females

6227

F18-39

6227

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

19405

Females

7330

F18-39

7330

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

17562

Females

6264

F18-39

6264

20K→Half

12.4 - 13.1 mi

Top 62%
×2stories
+19ft-37ft

Overall

16581

Females

5664

F18-39

5664

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

18978

Females

7114

F18-39

7114

25K→30K

15.5 - 18.6 mi

Top 67%
×9stories
+181ft-148ft

Overall

17794

Females

6518

F18-39

6518

30K→20M

18.6 - 20.0 mi

Top 61%
×5stories
+64ft-50ft

Overall

16372

Females

5797

F18-39

5797

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

16934

Females

6150

F18-39

6150

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

17520

Females

6562

F18-39

6562

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

16089

Females

5796

F18-39

5796

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

16941

Females

6322

F18-39

6322

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15692

Females

5684

F18-39

5684

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14430

Females

5000

F18-39

5000

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

15487

Females

5534

F18-39

5534

Passing Analysis

Category:
Athletes Passed
1464
Passed By
2512
Net Change
-1048
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16309
5K → 10K101704-603#16309#16912
10K → 15K37975-938#16912#17850
15K → 20K214109+105#17850#17745
20K → Half844+80#17745#17665
Half → 25K61295-234#17665#17899
25K → 30K204155+49#17899#17850
30K → 20M15829+129#17850#17721
20M → 21M9862+36#17721#17685
21M → 35K6035+25#17685#17660
35K → 23M13831+107#17660#17553
23M → 24M6353+10#17553#17543
24M → 40K10028+72#17543#17471
40K → 25.2M548+46#17471#17425
25.2M → Finish9224+68#17425#17357
TOTALS14642512-1048
📊

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