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BOSTON MARATHON 2023

Kimberly Casey

Bib: 15549•F

NS

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 35%
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
25:09
Rank: #14686
Start → 5K
25:09 | 8:06/mi
10K· 6.21 mi
50:24
Rank: #15197 (-511)
5K → 10K
25:15 | 8:08/mi
15K· 9.32 mi
1:15:37
Rank: #15203 (-6)
10K → 15K
25:13 | 8:07/mi
20K· 12.43 mi
1:41:01
Rank: #15084 (+119)
15K → 20K
25:24 | 8:11/mi
Half· 13.11 mi
1:46:32
Rank: #15066 (+18)
20K → Half
5:31 | 8:05/mi
25K· 15.53 mi
2:06:11
Rank: #14804 (+262)
Half → 25K
19:39 | 8:06/mi
30K· 18.64 mi
2:31:41
Rank: #14378 (+426)
25K → 30K
25:30 | 8:12/mi
20M
2:42:56
Rank: #14199 (+179)
30K → 20M
11:15 | 8:17/mi
21M
2:51:28
Rank: #13951 (+248)
20M → 21M
8:32 | 8:32/mi
35K· 21.75 mi
2:57:27
Rank: #13872 (+79)
21M → 35K
5:59 | 8:00/mi
23M
3:07:51
Rank: #13728 (+144)
35K → 23M
10:24 | 8:18/mi
24M
3:15:58
Rank: #13623 (+105)
23M → 24M
8:07 | 8:07/mi
40K· 24.85 mi
3:23:05
Rank: #13549 (+74)
24M → 40K
7:07 | 8:19/mi
25.2M
3:26:11
Rank: #13514 (+35)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:34:31
Rank: #13508 (+6)
25.2M → Finish
8:20 | 8:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:32
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:47:59
Pace8:14 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:0925:098:0625:09
8:06
-
10K
6.21 mi11:20:2450:248:0725:15
8:08
+0:02
15K
9.32 mi11:45:371:15:378:0725:13
8:07
-0:01
20K
12.43 mi12:11:011:41:018:0825:24
8:11
+0:04
Half
13.11 mi12:16:321:46:328:085:31
8:05
-0:06
25K
15.53 mi12:36:112:06:118:0719:39
8:06
+0:01
30K
18.64 mi13:01:412:31:418:0825:30
8:12
+0:06
20M
20.00 mi13:12:562:42:568:0911:15
8:17
+0:05
21M
21.00 mi13:21:282:51:288:108:32
8:32
+0:15
35K
21.75 mi13:27:272:57:278:105:59
8:00
-0:32
23M
23.00 mi13:37:513:07:518:1010:24
8:18
+0:18
24M
24.00 mi13:45:583:15:588:108:07
8:07
-0:11
40K
24.85 mi13:53:053:23:058:107:07
8:19
+0:12
25.2M
25.20 mi13:56:113:26:118:113:06
8:59
+0:40
Finish
26.22 mi14:04:313:34:318:118:20
8:11
-0:48

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

8:00 /mi

Average Pace

8:11 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:31:25

99% of race

Time at Steady Pace

3:06

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:11 /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 mi10:55:0925:098:0625:09
8:06
#14686
10K
6.21 mi11:20:2450:248:0725:15
8:08
#15197
15K
9.32 mi11:45:371:15:378:0725:13
8:07
#15203
20K
12.43 mi12:11:011:41:018:0825:24
8:11
#15084
Half
13.11 mi12:16:321:46:328:085:31
8:05
#15066
25K
15.53 mi12:36:112:06:118:0719:39
8:06
#14804
30K
18.64 mi13:01:412:31:418:0825:30
8:12
#14378
20M
20.00 mi13:12:562:42:568:0911:15
8:17
#14199
21M
21.00 mi13:21:282:51:288:108:32
8:32
#13951
35K
21.75 mi13:27:272:57:278:105:59
8:00
#13872
23M
23.00 mi13:37:513:07:518:1010:24
8:18
#13728
24M
24.00 mi13:45:583:15:588:108:07
8:07
#13623
40K
24.85 mi13:53:053:23:058:107:07
8:19
#13549
25.2M
25.20 mi13:56:113:26:118:113:06
8:59
#13514
Finish
26.22 mi14:04:313:34:318:118:20
8:11
#13508
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi146864442444215282(Top 57%)4842(Top 42%)4842(Top 99%)
10K6.21 mi3.10 mi15197-5114767-3254767-32515726(Top 59%)5093(Top 45%)5093(Top 104%)
15K9.32 mi3.11 mi15203-64784-174784-1715282(Top 57%)4842(Top 42%)4842(Top 99%)
20K12.43 mi3.11 mi15084+1194736+484736+4814794(Top 56%)4581(Top 40%)4581(Top 94%)
Half13.11 mi0.68 mi15066+184726+104726+1015053(Top 57%)4698(Top 41%)4698(Top 96%)
25K15.53 mi2.42 mi14804+2624588+1384588+13813551(Top 51%)3951(Top 35%)3951(Top 81%)
30K18.64 mi3.11 mi14378+4264386+2024386+20212404(Top 47%)3416(Top 30%)3416(Top 70%)
20M20.00 mi1.36 mi14199+1794293+934293+9312252(Top 46%)3434(Top 30%)3434(Top 70%)
21M21.00 mi1.00 mi13951+2484151+1424151+14210713(Top 40%)2739(Top 24%)2739(Top 56%)
35K21.75 mi0.75 mi13872+794116+354116+3512170(Top 46%)3533(Top 31%)3533(Top 72%)
23M23.00 mi1.25 mi13728+1444060+564060+5611961(Top 45%)3499(Top 31%)3499(Top 72%)
24M24.00 mi1.00 mi13623+1054013+474013+4712085(Top 45%)3642(Top 32%)3642(Top 75%)
40K24.85 mi0.85 mi13549+743988+253988+2512246(Top 46%)3803(Top 33%)3803(Top 78%)
25.2M25.20 mi0.35 mi13514+353977+113977+1112537(Top 47%)3996(Top 35%)3996(Top 82%)
Finish26.22 mi1.02 mi13508+63995-183995-1813309(Top 50%)4368(Top 38%)4368(Top 89%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

15282

Females

4842

F18-39

4842

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

15726

Females

5093

F18-39

5093

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

15282

Females

4842

F18-39

4842

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

14794

Females

4581

F18-39

4581

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

15053

Females

4698

F18-39

4698

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

13551

Females

3951

F18-39

3951

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

12404

Females

3416

F18-39

3416

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

12252

Females

3434

F18-39

3434

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

10713

Females

2739

F18-39

2739

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

12170

Females

3533

F18-39

3533

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

11961

Females

3499

F18-39

3499

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

12085

Females

3642

F18-39

3642

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12246

Females

3803

F18-39

3803

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12537

Females

3996

F18-39

3996

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

13309

Females

4368

F18-39

4368

Passing Analysis

Category:
Athletes Passed
2368
Passed By
1190
Net Change
+1178
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14686
5K → 10K119630-511#14686#15197
10K → 15K179185-6#15197#15203
15K → 20K248129+119#15203#15084
20K → Half3921+18#15084#15066
Half → 25K28523+262#15066#14804
25K → 30K44620+426#14804#14378
30K → 20M19011+179#14378#14199
20M → 21M2568+248#14199#13951
21M → 35K9112+79#13951#13872
35K → 23M16824+144#13872#13728
23M → 24M12318+105#13728#13623
24M → 40K10228+74#13623#13549
40K → 25.2M4611+35#13549#13514
25.2M → Finish7670+6#13514#13508
TOTALS23681190+1178
📊

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