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BOSTON MARATHON 2023

Kasey Boxleitner

Bib: 27099•F

MA

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
26:58
Rank: #18761
Start → 5K
26:58 | 8:41/mi
10K· 6.21 mi
53:02
Rank: #18117 (+644)
5K → 10K
26:04 | 8:23/mi
15K· 9.32 mi
1:19:11
Rank: #17833 (+284)
10K → 15K
26:09 | 8:25/mi
20K· 12.43 mi
1:47:30
Rank: #18514 (-681)
15K → 20K
28:19 | 9:07/mi
Half· 13.11 mi
1:53:36
Rank: #18613 (-99)
20K → Half
6:06 | 8:56/mi
25K· 15.53 mi
2:17:43
Rank: #19433 (-820)
Half → 25K
24:07 | 9:57/mi
30K· 18.64 mi
2:47:12
Rank: #19445 (-12)
25K → 30K
29:29 | 9:29/mi
20M
3:02:13
Rank: #19865 (-420)
30K → 20M
15:01 | 11:03/mi
21M
3:13:16
Rank: #19958 (-93)
20M → 21M
11:03 | 11:03/mi
35K· 21.75 mi
3:20:07
Rank: #19910 (+48)
21M → 35K
6:51 | 9:09/mi
23M
3:31:51
Rank: #19772 (+138)
35K → 23M
11:44 | 9:22/mi
24M
3:41:07
Rank: #19720 (+52)
23M → 24M
9:16 | 9:16/mi
40K· 24.85 mi
3:48:54
Rank: #19616 (+104)
24M → 40K
7:47 | 9:06/mi
25.2M
3:52:22
Rank: #19590 (+26)
40K → 25.2M
3:28 | 10:03/mi
Finish· 26.22 mi
4:01:15
Rank: #19508 (+82)
25.2M → Finish
8:53 | 8:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:36
Pace8:40 /mi
2nd Half
Distance13.11 mi
Time2:07:39
Pace9:44 /mi
📊Positive Split: 12.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:2326:588:4126:58
8:41
-
10K
6.21 mi12:11:2753:028:3226:04
8:23
-0:18
15K
9.32 mi12:37:361:19:118:3026:09
8:25
+0:02
20K
12.43 mi13:05:551:47:308:3928:19
9:07
+0:42
Half
13.11 mi13:12:011:53:368:406:06
8:56
-0:11
25K
15.53 mi13:36:082:17:438:5224:07
9:57
+1:01
30K
18.64 mi14:05:372:47:128:5829:29
9:29
-0:28
20M
20.00 mi14:20:383:02:139:0715:01
11:03
+1:34
21M
21.00 mi14:31:413:13:169:1211:03
11:03
0:00
35K
21.75 mi14:38:323:20:079:126:51
9:09
-1:54
23M
23.00 mi14:50:163:31:519:1311:44
9:22
+0:13
24M
24.00 mi14:59:323:41:079:139:16
9:16
-0:06
40K
24.85 mi15:07:193:48:549:137:47
9:06
-0:10
25.2M
25.20 mi15:10:473:52:229:133:28
10:03
+0:57
Finish
26.22 mi15:19:404:01:159:128:53
8:43
-1:20

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

8:23 /mi

Average Pace

9:12 /mi

Slowest Pace

11:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:04

37% of race

Time at Steady Pace

1:39:32

41% of race

Time at Slower Pace

53:39

22% of race

Average Pace: 9:12 /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 mi11:45:2326:588:4126:58
8:41
#18761
10K
6.21 mi12:11:2753:028:3226:04
8:23
#18117
15K
9.32 mi12:37:361:19:118:3026:09
8:25
#17833
20K
12.43 mi13:05:551:47:308:3928:19
9:07
#18514
Half
13.11 mi13:12:011:53:368:406:06
8:56
#18613
25K
15.53 mi13:36:082:17:438:5224:07
9:57
#19433
30K
18.64 mi14:05:372:47:128:5829:29
9:29
#19445
20M
20.00 mi14:20:383:02:139:0715:01
11:03
#19865
21M
21.00 mi14:31:413:13:169:1211:03
11:03
#19958
35K
21.75 mi14:38:323:20:079:126:51
9:09
#19910
23M
23.00 mi14:50:163:31:519:1311:44
9:22
#19772
24M
24.00 mi14:59:323:41:079:139:16
9:16
#19720
40K
24.85 mi15:07:193:48:549:137:47
9:06
#19616
25.2M
25.20 mi15:10:473:52:229:133:28
10:03
#19590
Finish
26.22 mi15:19:404:01:159:128:53
8:43
#19508
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi187617051705117268(Top 65%)6093(Top 53%)6093(Top 125%)
10K6.21 mi3.10 mi18117+6446596+4556596+45517541(Top 66%)6209(Top 54%)6209(Top 127%)
15K9.32 mi3.11 mi17833+2846423+1736423+17317268(Top 65%)6093(Top 53%)6093(Top 125%)
20K12.43 mi3.11 mi18514-6816811-3886811-38820200(Top 76%)7780(Top 68%)7780(Top 159%)
Half13.11 mi0.68 mi18613-996876-656876-6520208(Top 76%)7779(Top 68%)7779(Top 159%)
25K15.53 mi2.42 mi19433-8207378-5027378-50222104(Top 83%)8893(Top 78%)8893(Top 182%)
30K18.64 mi3.11 mi19445-127396-187396-1819407(Top 73%)7421(Top 65%)7421(Top 152%)
20M20.00 mi1.36 mi19865-4207663-2677663-26722799(Top 86%)9409(Top 82%)9409(Top 193%)
21M21.00 mi1.00 mi19958-937727-647727-6420914(Top 79%)8413(Top 74%)8413(Top 172%)
35K21.75 mi0.75 mi19910+487703+247703+2418606(Top 70%)7175(Top 63%)7175(Top 147%)
23M23.00 mi1.25 mi19772+1387629+747629+7417835(Top 67%)6774(Top 59%)6774(Top 139%)
24M24.00 mi1.00 mi19720+527603+267603+2618356(Top 69%)7089(Top 62%)7089(Top 145%)
40K24.85 mi0.85 mi19616+1047556+477556+4716685(Top 63%)6238(Top 55%)6238(Top 128%)
25.2M25.20 mi0.35 mi19590+267549+77549+717663(Top 66%)6790(Top 59%)6790(Top 139%)
Finish26.22 mi1.02 mi19508+827507+427507+4216617(Top 62%)6171(Top 54%)6171(Top 126%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

17268

Females

6093

F18-39

6093

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

17541

Females

6209

F18-39

6209

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

17268

Females

6093

F18-39

6093

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

20200

Females

7780

F18-39

7780

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

20208

Females

7779

F18-39

7779

Half→25K

13.1 - 15.5 mi

Top 83%
×4stories
+66ft-88ft

Overall

22104

Females

8893

F18-39

8893

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

19407

Females

7421

F18-39

7421

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

22799

Females

9409

F18-39

9409

20M→21M

20.0 - 21.0 mi

Top 79%
×8stories
+106ft-24ft

Overall

20914

Females

8413

F18-39

8413

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

18606

Females

7175

F18-39

7175

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

17835

Females

6774

F18-39

6774

23M→24M

23.0 - 24.0 mi

Top 69%
×6stories
+12ft-82ft

Overall

18356

Females

7089

F18-39

7089

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16685

Females

6238

F18-39

6238

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17663

Females

6790

F18-39

6790

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

16617

Females

6171

F18-39

6171

Passing Analysis

Category:
Athletes Passed
2001
Passed By
2748
Net Change
-747
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18761
5K → 10K787143+644#18761#18117
10K → 15K36682+284#18117#17833
15K → 20K43724-681#17833#18514
20K → Half10109-99#18514#18613
Half → 25K17837-820#18613#19433
25K → 30K162174-12#19433#19445
30K → 20M23443-420#19445#19865
20M → 21M54147-93#19865#19958
21M → 35K6416+48#19958#19910
35K → 23M15618+138#19910#19772
23M → 24M7321+52#19772#19720
24M → 40K11410+104#19720#19616
40K → 25.2M3913+26#19616#19590
25.2M → Finish9311+82#19590#19508
TOTALS20012748-747
📊

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