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BOSTON MARATHON 2023

Carly Cantlon

Bib: 15052•F

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Overall
#0 / 26622
Top 40%
Gender (Female)
#0 / 11423
Top 21%
Division (F18-39)
#0 / 4884
Top 36%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:01
Rank: #8902
Start → 5K
7:25/mi
23:01 split
10K· 6.21 mi
46:14
Rank: #9515 (-613)
5K → 10K
7:28/mi
23:13 split
15K· 9.32 mi
1:09:42
Rank: #9855 (-340)
10K → 15K
7:33/mi
23:28 split
20K· 12.43 mi
1:34:16
Rank: #10582 (-727)
15K → 20K
7:54/mi
24:34 split
Half· 13.11 mi
1:39:27
Rank: #10604 (-22)
20K → Half
7:36/mi
5:11 split
25K· 15.53 mi
1:58:46
Rank: #10871 (-267)
Half → 25K
7:58/mi
19:19 split
30K· 18.64 mi
2:23:56
Rank: #10939 (-68)
25K → 30K
8:06/mi
25:10 split
20M
2:35:04
Rank: #10962 (-23)
30K → 20M
8:12/mi
11:08 split
21M
2:43:34
Rank: #10925 (+37)
20M → 21M
8:30/mi
8:30 split
35K· 21.75 mi
2:49:35
Rank: #10954 (-29)
21M → 35K
8:03/mi
6:01 split
23M
2:59:51
Rank: #10943 (+11)
35K → 23M
8:12/mi
10:16 split
24M
3:07:20
Rank: #10778 (+165)
23M → 24M
7:29/mi
7:29 split
40K· 24.85 mi
3:14:01
Rank: #10679 (+99)
24M → 40K
7:49/mi
6:41 split
25.2M
3:16:56
Rank: #10647 (+32)
40K → 25.2M
8:27/mi
2:55 split
Finish· 26.22 mi
3:24:48
Rank: #10591 (+56)
25.2M → Finish
7:43/mi
7:52 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:27
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:45:21
Pace8:02 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1623:017:2523:01
7:25
-
10K
6.21 mi11:17:2946:147:2623:13
7:28
+0:03
15K
9.32 mi11:40:571:09:427:2923:28
7:33
+0:05
20K
12.43 mi12:05:311:34:167:3524:34
7:54
+0:21
Half
13.11 mi12:10:421:39:277:355:11
7:36
-0:18
25K
15.53 mi12:30:011:58:467:3919:19
7:58
+0:22
30K
18.64 mi12:55:112:23:567:4325:10
8:06
+0:08
20M
20.00 mi13:06:192:35:047:4511:08
8:12
+0:06
21M
21.00 mi13:14:492:43:347:478:30
8:30
+0:18
35K
21.75 mi13:20:502:49:357:486:01
8:03
-0:27
23M
23.00 mi13:31:062:59:517:4910:16
8:12
+0:09
24M
24.00 mi13:38:353:07:207:487:29
7:29
-0:43
40K
24.85 mi13:45:163:14:017:486:41
7:49
+0:20
25.2M
25.20 mi13:48:113:16:567:492:55
8:27
+0:38
Finish
26.22 mi13:56:033:24:487:497:52
7:43
-0:44

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

7:25 /mi

Average Pace

7:49 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:59

84% of race

Time at Steady Pace

32:49

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:49 /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 mi10:54:1623:017:2523:01
7:25
#8902
10K
6.21 mi11:17:2946:147:2623:13
7:28
#9515
15K
9.32 mi11:40:571:09:427:2923:28
7:33
#9855
20K
12.43 mi12:05:311:34:167:3524:34
7:54
#10582
Half
13.11 mi12:10:421:39:277:355:11
7:36
#10604
25K
15.53 mi12:30:011:58:467:3919:19
7:58
#10871
30K
18.64 mi12:55:112:23:567:4325:10
8:06
#10939
20M
20.00 mi13:06:192:35:047:4511:08
8:12
#10962
21M
21.00 mi13:14:492:43:347:478:30
8:30
#10925
35K
21.75 mi13:20:502:49:357:486:01
8:03
#10954
23M
23.00 mi13:31:062:59:517:4910:16
8:12
#10943
24M
24.00 mi13:38:353:07:207:487:29
7:29
#10778
40K
24.85 mi13:45:163:14:017:486:41
7:49
#10679
25.2M
25.20 mi13:48:113:16:567:492:55
8:27
#10647
Finish
26.22 mi13:56:033:24:487:497:52
7:43
#10591
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi89021365136510632(Top 40%)2157(Top 19%)2157(Top 44%)
10K6.21 mi3.10 mi9515-6131622-2571622-25710259(Top 39%)1941(Top 17%)1941(Top 40%)
15K9.32 mi3.11 mi9855-3401763-1411763-14110632(Top 40%)2157(Top 19%)2157(Top 44%)
20K12.43 mi3.11 mi10582-7272117-3542117-35412700(Top 48%)3384(Top 30%)3384(Top 69%)
Half13.11 mi0.68 mi10604-222126-92126-911107(Top 42%)2449(Top 21%)2449(Top 50%)
25K15.53 mi2.42 mi10871-2672284-1582284-15812490(Top 47%)3362(Top 29%)3362(Top 69%)
30K18.64 mi3.11 mi10939-682370-862370-8611662(Top 44%)3005(Top 26%)3005(Top 62%)
20M20.00 mi1.36 mi10962-232414-442414-4411688(Top 44%)3118(Top 27%)3118(Top 64%)
21M21.00 mi1.00 mi10925+372424-102424-1010528(Top 40%)2649(Top 23%)2649(Top 54%)
35K21.75 mi0.75 mi10954-292455-312455-3112510(Top 47%)3729(Top 33%)3729(Top 76%)
23M23.00 mi1.25 mi10943+112469-142469-1411221(Top 42%)3133(Top 27%)3133(Top 64%)
24M24.00 mi1.00 mi10778+1652411+582411+587648(Top 29%)1553(Top 14%)1553(Top 32%)
40K24.85 mi0.85 mi10679+992391+202391+208851(Top 33%)2128(Top 19%)2128(Top 44%)
25.2M25.20 mi0.35 mi10647+32239123919402(Top 35%)2461(Top 22%)2461(Top 50%)
Finish26.22 mi1.02 mi10591+562388+32388+310154(Top 38%)2785(Top 24%)2785(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

10632

Females

2157

F18-39

2157

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

10259

Females

1941

F18-39

1941

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

10632

Females

2157

F18-39

2157

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

12700

Females

3384

F18-39

3384

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

11107

Females

2449

F18-39

2449

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

12490

Females

3362

F18-39

3362

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11662

Females

3005

F18-39

3005

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

11688

Females

3118

F18-39

3118

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

10528

Females

2649

F18-39

2649

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12510

Females

3729

F18-39

3729

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11221

Females

3133

F18-39

3133

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

7648

Females

1553

F18-39

1553

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8851

Females

2128

F18-39

2128

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9402

Females

2461

F18-39

2461

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10154

Females

2785

F18-39

2785

Passing Analysis

Category:
Athletes Passed
1193*
Passed By
2881
Net Change
-1689
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8902
5K → 10K89702-613#8902#9515
10K → 15K76416-340#9515#9855
15K → 20K32758-727#9855#10582
20K → Half2749-22#10582#10604
Half → 25K58325-267#10604#10871
25K → 30K163231-68#10871#10939
30K → 20M80*103-23#10939#10962
20M → 21M9356+37#10962#10925
21M → 35K4271-29#10925#10954
35K → 23M9382+11#10954#10943
23M → 24M1749+165#10943#10778
24M → 40K12223+99#10778#10679
40K → 25.2M4816+32#10679#10647
25.2M → Finish9640+56#10647#10591
TOTALS1193*2881-1689

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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