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BOSTON MARATHON 2023

Casey Mccormick

Bib: 24938•F

RI

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
32:03
Rank: #24260
Start → 5K
32:03 | 10:19/mi
10K· 6.21 mi
1:03:07
Rank: #23976 (+284)
5K → 10K
31:04 | 10:00/mi
15K· 9.32 mi
1:33:43
Rank: #23718 (+258)
10K → 15K
30:36 | 9:51/mi
20K· 12.43 mi
2:07:05
Rank: #23864 (-146)
15K → 20K
33:22 | 10:44/mi
Half· 13.11 mi
2:14:16
Rank: #23892 (-28)
20K → Half
7:11 | 10:32/mi
25K· 15.53 mi
2:42:55
Rank: #24140 (-248)
Half → 25K
28:39 | 11:49/mi
30K· 18.64 mi
3:20:56
Rank: #24309 (-169)
25K → 30K
38:01 | 12:14/mi
20M
3:37:19
Rank: #24312 (-3)
30K → 20M
16:23 | 12:03/mi
21M
3:51:54
Rank: #24437 (-125)
20M → 21M
14:35 | 14:35/mi
35K· 21.75 mi
3:59:58
Rank: #24376 (+61)
21M → 35K
8:04 | 10:47/mi
23M
4:14:54
Rank: #24362 (+14)
35K → 23M
14:56 | 11:56/mi
24M
4:26:47
Rank: #24369 (-7)
23M → 24M
11:53 | 11:53/mi
40K· 24.85 mi
4:37:25
Rank: #24388 (-19)
24M → 40K
10:38 | 12:26/mi
25.2M
4:41:51
Rank: #24390 (-2)
40K → 25.2M
4:26 | 12:51/mi
Finish· 26.22 mi
4:52:10
Rank: #24327 (+63)
25.2M → Finish
10:19 | 10:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:16
Pace10:15 /mi
2nd Half
Distance13.11 mi
Time2:37:54
Pace12:03 /mi
📊Positive Split: 17.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:5732:0310:1932:03
10:19
-
10K
6.21 mi12:24:011:03:0710:0931:04
10:00
-0:19
15K
9.32 mi12:54:371:33:4310:0330:36
9:51
-0:09
20K
12.43 mi13:27:592:07:0510:1433:22
10:44
+0:53
Half
13.11 mi13:35:102:14:1610:157:11
10:32
-0:12
25K
15.53 mi14:03:492:42:5510:2928:39
11:49
+1:17
30K
18.64 mi14:41:503:20:5610:4738:01
12:14
+0:25
20M
20.00 mi14:58:133:37:1910:5216:23
12:03
-0:11
21M
21.00 mi15:12:483:51:5411:0314:35
14:35
+2:32
35K
21.75 mi15:20:523:59:5811:028:04
10:47
-3:48
23M
23.00 mi15:35:484:14:5411:0514:56
11:56
+1:09
24M
24.00 mi15:47:414:26:4711:0711:53
11:53
-0:03
40K
24.85 mi15:58:194:37:2511:1010:38
12:26
+0:33
25.2M
25.20 mi16:02:454:41:5111:114:26
12:51
+0:25
Finish
26.22 mi16:13:044:52:1011:0910:19
10:07
-2:44

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

9:51 /mi

Average Pace

11:09 /mi

Slowest Pace

14:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:39

52% of race

Time at Steady Pace

2:00:30

41% of race

Time at Slower Pace

19:01

7% of race

Average Pace: 11:09 /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 mi11:52:5732:0310:1932:03
10:19
#24260
10K
6.21 mi12:24:011:03:0710:0931:04
10:00
#23976
15K
9.32 mi12:54:371:33:4310:0330:36
9:51
#23718
20K
12.43 mi13:27:592:07:0510:1433:22
10:44
#23864
Half
13.11 mi13:35:102:14:1610:157:11
10:32
#23892
25K
15.53 mi14:03:492:42:5510:2928:39
11:49
#24140
30K
18.64 mi14:41:503:20:5610:4738:01
12:14
#24309
20M
20.00 mi14:58:133:37:1910:5216:23
12:03
#24312
21M
21.00 mi15:12:483:51:5411:0314:35
14:35
#24437
35K
21.75 mi15:20:523:59:5811:028:04
10:47
#24376
23M
23.00 mi15:35:484:14:5411:0514:56
11:56
#24362
24M
24.00 mi15:47:414:26:4711:0711:53
11:53
#24369
40K
24.85 mi15:58:194:37:2511:1010:38
12:26
#24388
25.2M
25.20 mi16:02:454:41:5111:114:26
12:51
#24390
Finish
26.22 mi16:13:044:52:1011:0910:19
10:07
#24327
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24260100181001823185(Top 87%)9443(Top 83%)9443(Top 193%)
10K6.21 mi3.10 mi23976+2849879+1399879+13923684(Top 89%)9722(Top 85%)9722(Top 199%)
15K9.32 mi3.11 mi23718+2589737+1429737+14223185(Top 87%)9443(Top 83%)9443(Top 193%)
20K12.43 mi3.11 mi23864-1469813-769813-7624233(Top 91%)10053(Top 88%)10053(Top 206%)
Half13.11 mi0.68 mi23892-289827-149827-1424275(Top 91%)10079(Top 88%)10079(Top 206%)
25K15.53 mi2.42 mi24140-2489983-1569983-15624999(Top 94%)10516(Top 92%)10516(Top 215%)
30K18.64 mi3.11 mi24309-16910103-12010103-12024749(Top 93%)10425(Top 91%)10425(Top 213%)
20M20.00 mi1.36 mi24312-310111-810111-824271(Top 91%)10226(Top 90%)10226(Top 209%)
21M21.00 mi1.00 mi24437-12510185-7410185-7425474(Top 96%)10848(Top 95%)10848(Top 222%)
35K21.75 mi0.75 mi24376+6110160+2510160+2522911(Top 86%)9553(Top 84%)9553(Top 196%)
23M23.00 mi1.25 mi24362+1410162-210162-223901(Top 90%)10067(Top 88%)10067(Top 206%)
24M24.00 mi1.00 mi24369-710174-1210174-1224382(Top 92%)10369(Top 91%)10369(Top 212%)
40K24.85 mi0.85 mi24388-1910191-1710191-1724379(Top 92%)10380(Top 91%)10380(Top 213%)
25.2M25.20 mi0.35 mi24390-210193-210193-223809(Top 89%)10097(Top 88%)10097(Top 207%)
Finish26.22 mi1.02 mi24327+6310164+2910164+2922110(Top 83%)9176(Top 80%)9176(Top 188%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21stories
+97ft-345ft

Overall

23185

Females

9443

F18-39

9443

5K→10K

3.1 - 6.2 mi

Top 89%
×5stories
+79ft-138ft

Overall

23684

Females

9722

F18-39

9722

10K→15K

6.2 - 9.3 mi

Top 87%
×3stories
+67ft-78ft

Overall

23185

Females

9443

F18-39

9443

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

24233

Females

10053

F18-39

10053

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

24275

Females

10079

F18-39

10079

Half→25K

13.1 - 15.5 mi

Top 94%
×4stories
+66ft-88ft

Overall

24999

Females

10516

F18-39

10516

25K→30K

15.5 - 18.6 mi

Top 93%
×9stories
+181ft-148ft

Overall

24749

Females

10425

F18-39

10425

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

24271

Females

10226

F18-39

10226

20M→21M

20.0 - 21.0 mi

Top 96%
×8stories
+106ft-24ft

Overall

25474

Females

10848

F18-39

10848

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

22911

Females

9553

F18-39

9553

35K→23M

21.8 - 23.0 mi

Top 90%
×5stories
+23ft-63ft

Overall

23901

Females

10067

F18-39

10067

23M→24M

23.0 - 24.0 mi

Top 92%
×6stories
+12ft-82ft

Overall

24382

Females

10369

F18-39

10369

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

24379

Females

10380

F18-39

10380

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

23809

Females

10097

F18-39

10097

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

22110

Females

9176

F18-39

9176

Passing Analysis

Category:
Athletes Passed
1107
Passed By
1174
Net Change
-67
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24260
5K → 10K37692+284#24260#23976
10K → 15K27921+258#23976#23718
15K → 20K68214-146#23718#23864
20K → Half1442-28#23864#23892
Half → 25K29277-248#23892#24140
25K → 30K53222-169#24140#24309
30K → 20M5053-3#24309#24312
20M → 21M10135-125#24312#24437
21M → 35K654+61#24437#24376
35K → 23M3925+14#24376#24362
23M → 24M2633-7#24362#24369
24M → 40K2140-19#24369#24388
40K → 25.2M911-2#24388#24390
25.2M → Finish685+63#24390#24327
TOTALS11071174-67
📊

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