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BOSTON MARATHON 2023

Caroline Cooney

Bib: 9184•F

CO

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
26:55
Rank: #18667
Start → 5K
8:40/mi
26:55 split
10K· 6.21 mi
53:58
Rank: #19028 (-361)
5K → 10K
8:42/mi
27:03 split
15K· 9.32 mi
1:22:39
Rank: #19971 (-943)
10K → 15K
9:14/mi
28:41 split
20K· 12.43 mi
1:50:24
Rank: #19779 (+192)
15K → 20K
8:56/mi
27:45 split
Half· 13.11 mi
1:56:16
Rank: #19709 (+70)
20K → Half
8:36/mi
5:52 split
25K· 15.53 mi
2:19:47
Rank: #20114 (-405)
Half → 25K
9:42/mi
23:31 split
30K· 18.64 mi
2:49:52
Rank: #20116 (-2)
25K → 30K
9:41/mi
30:05 split
20M
3:02:52
Rank: #20015 (+101)
30K → 20M
9:34/mi
13:00 split
21M
3:13:05
Rank: #19923 (+92)
20M → 21M
10:13/mi
10:13 split
35K· 21.75 mi
3:20:34
Rank: #19990 (-67)
21M → 35K
10:00/mi
7:29 split
23M
3:32:49
Rank: #19949 (+41)
35K → 23M
9:47/mi
12:15 split
24M
3:42:19
Rank: #19917 (+32)
23M → 24M
9:30/mi
9:30 split
40K· 24.85 mi
3:50:43
Rank: #19913 (+4)
24M → 40K
9:49/mi
8:24 split
25.2M
3:54:22
Rank: #19909 (+4)
40K → 25.2M
10:35/mi
3:39 split
Finish· 26.22 mi
4:03:53
Rank: #19887 (+22)
25.2M → Finish
9:20/mi
9:31 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:16
Pace8:52 /mi
2nd Half
Distance13.11 mi
Time2:07:37
Pace9:44 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:3926:558:4026:55
8:40
-
10K
6.21 mi11:19:4253:588:4127:03
8:42
+0:02
15K
9.32 mi11:48:231:22:398:5228:41
9:14
+0:32
20K
12.43 mi12:16:081:50:248:5327:45
8:56
-0:18
Half
13.11 mi12:22:001:56:168:525:52
8:36
-0:20
25K
15.53 mi12:45:312:19:479:0023:31
9:42
+1:06
30K
18.64 mi13:15:362:49:529:0730:05
9:41
-0:01
20M
20.00 mi13:28:363:02:529:0913:00
9:34
-0:07
21M
21.00 mi13:38:493:13:059:1210:13
10:13
+0:39
35K
21.75 mi13:46:183:20:349:137:29
10:00
-0:13
23M
23.00 mi13:58:333:32:499:1512:15
9:47
-0:13
24M
24.00 mi14:08:033:42:199:169:30
9:30
-0:17
40K
24.85 mi14:16:273:50:439:178:24
9:49
+0:19
25.2M
25.20 mi14:20:063:54:229:183:39
10:35
+0:46
Finish
26.22 mi14:29:374:03:539:199:31
9:20
-1:15

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

8:36 /mi

Average Pace

9:19 /mi

Slowest Pace

10:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:16

48% of race

Time at Steady Pace

1:46:16

44% of race

Time at Slower Pace

21:21

9% of race

Average Pace: 9:18 /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 mi10:52:3926:558:4026:55
8:40
#18667
10K
6.21 mi11:19:4253:588:4127:03
8:42
#19028
15K
9.32 mi11:48:231:22:398:5228:41
9:14
#19971
20K
12.43 mi12:16:081:50:248:5327:45
8:56
#19779
Half
13.11 mi12:22:001:56:168:525:52
8:36
#19709
25K
15.53 mi12:45:312:19:479:0023:31
9:42
#20114
30K
18.64 mi13:15:362:49:529:0730:05
9:41
#20116
20M
20.00 mi13:28:363:02:529:0913:00
9:34
#20015
21M
21.00 mi13:38:493:13:059:1210:13
10:13
#19923
35K
21.75 mi13:46:183:20:349:137:29
10:00
#19990
23M
23.00 mi13:58:333:32:499:1512:15
9:47
#19949
24M
24.00 mi14:08:033:42:199:169:30
9:30
#19917
40K
24.85 mi14:16:273:50:439:178:24
9:49
#19913
25.2M
25.20 mi14:20:063:54:229:183:39
10:35
#19909
Finish
26.22 mi14:29:374:03:539:199:31
9:20
#19887
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi186676979697921411(Top 80%)8452(Top 74%)8452(Top 173%)
10K6.21 mi3.10 mi19028-3617168-1897168-18919476(Top 73%)7370(Top 65%)7370(Top 151%)
15K9.32 mi3.11 mi19971-9437721-5537721-55321411(Top 80%)8452(Top 74%)8452(Top 173%)
20K12.43 mi3.11 mi19779+1927594+1277594+12719386(Top 73%)7317(Top 64%)7317(Top 150%)
Half13.11 mi0.68 mi19709+707540+547540+5418397(Top 69%)6732(Top 59%)6732(Top 138%)
25K15.53 mi2.42 mi20114-4057769-2297769-22921456(Top 81%)8533(Top 75%)8533(Top 175%)
30K18.64 mi3.11 mi20116-27791-227791-2220090(Top 75%)7819(Top 68%)7819(Top 160%)
20M20.00 mi1.36 mi20015+1017754+377754+3719122(Top 72%)7363(Top 64%)7363(Top 151%)
21M21.00 mi1.00 mi19923+927700+547700+5418786(Top 71%)7218(Top 63%)7218(Top 148%)
35K21.75 mi0.75 mi19990-677745-457745-4521283(Top 80%)8640(Top 76%)8640(Top 177%)
23M23.00 mi1.25 mi19949+417738+77738+719397(Top 73%)7629(Top 67%)7629(Top 156%)
24M24.00 mi1.00 mi19917+327724+147724+1419233(Top 72%)7582(Top 66%)7582(Top 155%)
40K24.85 mi0.85 mi19913+47734-107734-1019480(Top 73%)7761(Top 68%)7761(Top 159%)
25.2M25.20 mi0.35 mi19909+47730+47730+419394(Top 73%)7728(Top 68%)7728(Top 158%)
Finish26.22 mi1.02 mi19887+227727+37727+319545(Top 73%)7756(Top 68%)7756(Top 159%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

21411

Females

8452

F18-39

8452

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

19476

Females

7370

F18-39

7370

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

21411

Females

8452

F18-39

8452

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

19386

Females

7317

F18-39

7317

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

18397

Females

6732

F18-39

6732

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

21456

Females

8533

F18-39

8533

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

20090

Females

7819

F18-39

7819

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

19122

Females

7363

F18-39

7363

20M→21M

20.0 - 21.0 mi

Top 71%
×8story building
+106ft-24ft

Overall

18786

Females

7218

F18-39

7218

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

21283

Females

8640

F18-39

8640

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

19397

Females

7629

F18-39

7629

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

19233

Females

7582

F18-39

7582

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19480

Females

7761

F18-39

7761

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19394

Females

7728

F18-39

7728

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

19545

Females

7756

F18-39

7756

Passing Analysis

Category:
Athletes Passed
1335
Passed By
2555
Net Change
-1220
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18667
5K → 10K190551-361#18667#19028
10K → 15K19962-943#19028#19971
15K → 20K27886+192#19971#19779
20K → Half8010+70#19779#19709
Half → 25K35440-405#19709#20114
25K → 30K154156-2#20114#20116
30K → 20M13635+101#20116#20015
20M → 21M13240+92#20015#19923
21M → 35K3198-67#19923#19990
35K → 23M8544+41#19990#19949
23M → 24M6937+32#19949#19917
24M → 40K5046+4#19917#19913
40K → 25.2M2420+4#19913#19909
25.2M → Finish5230+22#19909#19887
TOTALS13352555-1220
📊

Passing Visuals

Category:
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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