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BOSTON MARATHON 2023

Kayleigh Smith

Bib: 10228•F

MI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 47%
Gender (Female)
#0 / 11423
Top 30%
Division (F18-39)
#0 / 4884
Top 48%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:03
Rank: #11836
Start → 5K
7:44/mi
24:03 split
10K· 6.21 mi
47:34
Rank: #11390 (+446)
5K → 10K
7:34/mi
23:31 split
15K· 9.32 mi
1:12:34
Rank: #12539 (-1149)
10K → 15K
8:03/mi
25:00 split
20K· 12.43 mi
1:36:09
Rank: #11847 (+692)
15K → 20K
7:35/mi
23:35 split
Half· 13.11 mi
1:41:16
Rank: #11755 (+92)
20K → Half
7:30/mi
5:07 split
25K· 15.53 mi
2:00:53
Rank: #12023 (-268)
Half → 25K
8:05/mi
19:37 split
30K· 18.64 mi
2:26:05
Rank: #11902 (+121)
25K → 30K
8:07/mi
25:12 split
20M
2:37:19
Rank: #11931 (-29)
30K → 20M
8:16/mi
11:14 split
21M
2:46:17
Rank: #12015 (-84)
20M → 21M
8:58/mi
8:58 split
35K· 21.75 mi
2:52:25
Rank: #12048 (-33)
21M → 35K
8:12/mi
6:08 split
23M
3:03:22
Rank: #12240 (-192)
35K → 23M
8:45/mi
10:57 split
24M
3:11:59
Rank: #12371 (-131)
23M → 24M
8:37/mi
8:37 split
40K· 24.85 mi
3:19:35
Rank: #12518 (-147)
24M → 40K
8:53/mi
7:36 split
25.2M
3:22:49
Rank: #12550 (-32)
40K → 25.2M
9:23/mi
3:14 split
Finish· 26.22 mi
3:30:56
Rank: #12511 (+39)
25.2M → Finish
7:58/mi
8:07 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:16
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:49:40
Pace8:22 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5224:037:4424:03
7:44
-
10K
6.21 mi11:15:2347:347:3923:31
7:34
-0:10
15K
9.32 mi11:40:231:12:347:4725:00
8:03
+0:29
20K
12.43 mi12:03:581:36:097:4423:35
7:35
-0:28
Half
13.11 mi12:09:051:41:167:435:07
7:30
-0:05
25K
15.53 mi12:28:422:00:537:4719:37
8:05
+0:35
30K
18.64 mi12:53:542:26:057:5025:12
8:07
+0:02
20M
20.00 mi13:05:082:37:197:5211:14
8:16
+0:09
21M
21.00 mi13:14:062:46:177:558:58
8:58
+0:42
35K
21.75 mi13:20:142:52:257:566:08
8:12
-0:46
23M
23.00 mi13:31:113:03:227:5810:57
8:45
+0:33
24M
24.00 mi13:39:483:11:598:008:37
8:37
-0:08
40K
24.85 mi13:47:243:19:358:027:36
8:53
+0:16
25.2M
25.20 mi13:50:383:22:498:033:14
9:23
+0:30
Finish
26.22 mi13:58:453:30:568:038:07
7:58
-1:25

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

7:30 /mi

Average Pace

8:03 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:16

36% of race

Time at Steady Pace

1:35:18

45% of race

Time at Slower Pace

39:22

19% of race

Average Pace: 8:03 /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 mi10:51:5224:037:4424:03
7:44
#11836
10K
6.21 mi11:15:2347:347:3923:31
7:34
#11390
15K
9.32 mi11:40:231:12:347:4725:00
8:03
#12539
20K
12.43 mi12:03:581:36:097:4423:35
7:35
#11847
Half
13.11 mi12:09:051:41:167:435:07
7:30
#11755
25K
15.53 mi12:28:422:00:537:4719:37
8:05
#12023
30K
18.64 mi12:53:542:26:057:5025:12
8:07
#11902
20M
20.00 mi13:05:082:37:197:5211:14
8:16
#11931
21M
21.00 mi13:14:062:46:177:558:58
8:58
#12015
35K
21.75 mi13:20:142:52:257:566:08
8:12
#12048
23M
23.00 mi13:31:113:03:227:5810:57
8:45
#12240
24M
24.00 mi13:39:483:11:598:008:37
8:37
#12371
40K
24.85 mi13:47:243:19:358:027:36
8:53
#12518
25.2M
25.20 mi13:50:383:22:498:033:14
9:23
#12550
Finish
26.22 mi13:58:453:30:568:038:07
7:58
#12511
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi118362760276014773(Top 55%)4546(Top 40%)4546(Top 93%)
10K6.21 mi3.10 mi11390+4462537+2232537+22311040(Top 41%)2327(Top 20%)2327(Top 48%)
15K9.32 mi3.11 mi12539-11493195-6583195-65814773(Top 55%)4546(Top 40%)4546(Top 93%)
20K12.43 mi3.11 mi11847+6922824+3712824+37110022(Top 38%)1919(Top 17%)1919(Top 39%)
Half13.11 mi0.68 mi11755+922773+512773+5110241(Top 38%)1974(Top 17%)1974(Top 40%)
25K15.53 mi2.42 mi12023-2682953-1802953-18013440(Top 50%)3879(Top 34%)3879(Top 79%)
30K18.64 mi3.11 mi11902+1212924+292924+2911724(Top 44%)3025(Top 26%)3025(Top 62%)
20M20.00 mi1.36 mi11931-292955-312955-3112140(Top 46%)3348(Top 29%)3348(Top 69%)
21M21.00 mi1.00 mi12015-843018-633018-6313214(Top 50%)4049(Top 35%)4049(Top 83%)
35K21.75 mi0.75 mi12048-333055-373055-3713408(Top 50%)4207(Top 37%)4207(Top 86%)
23M23.00 mi1.25 mi12240-1923190-1353190-13514668(Top 55%)4981(Top 44%)4981(Top 102%)
24M24.00 mi1.00 mi12371-1313278-883278-8815159(Top 57%)5310(Top 46%)5310(Top 109%)
40K24.85 mi0.85 mi12518-1473384-1063384-10615555(Top 58%)5600(Top 49%)5600(Top 115%)
25.2M25.20 mi0.35 mi12550-323406-223406-2214562(Top 55%)5028(Top 44%)5028(Top 103%)
Finish26.22 mi1.02 mi12511+393410-43410-411869(Top 45%)3626(Top 32%)3626(Top 74%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

14773

Females

4546

F18-39

4546

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

11040

Females

2327

F18-39

2327

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

14773

Females

4546

F18-39

4546

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10022

Females

1919

F18-39

1919

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

10241

Females

1974

F18-39

1974

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

13440

Females

3879

F18-39

3879

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11724

Females

3025

F18-39

3025

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

12140

Females

3348

F18-39

3348

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

13214

Females

4049

F18-39

4049

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

13408

Females

4207

F18-39

4207

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

14668

Females

4981

F18-39

4981

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

15159

Females

5310

F18-39

5310

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15555

Females

5600

F18-39

5600

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14562

Females

5028

F18-39

5028

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

11869

Females

3626

F18-39

3626

Passing Analysis

Category:
Athletes Passed
2094
Passed By
2769
Net Change
-675
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11836
5K → 10K582136+446#11836#11390
10K → 15K121161-1149#11390#12539
15K → 20K6964+692#12539#11847
20K → Half975+92#11847#11755
Half → 25K63331-268#11755#12023
25K → 30K252131+121#12023#11902
30K → 20M88117-29#11902#11931
20M → 21M65149-84#11931#12015
21M → 35K3770-33#12015#12048
35K → 23M41233-192#12048#12240
23M → 24M29160-131#12240#12371
24M → 40K25172-147#12371#12518
40K → 25.2M1749-32#12518#12550
25.2M → Finish9051+39#12550#12511
TOTALS20942769-675
📊

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