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BOSTON MARATHON 2023

Kaitlin Squier

Bib: 15088•F

OR

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0:00
/ mi
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Overall
#0 / 26622
Top 34%
Gender (Female)
#0 / 11423
Top 15%
Division (F18-39)
#0 / 4884
Top 27%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:27
Rank: #10069
Start → 5K
23:27 | 7:33/mi
10K· 6.21 mi
47:08
Rank: #10786 (-717)
5K → 10K
23:41 | 7:37/mi
15K· 9.32 mi
1:10:36
Rank: #10709 (+77)
10K → 15K
23:28 | 7:33/mi
20K· 12.43 mi
1:34:08
Rank: #10474 (+235)
15K → 20K
23:32 | 7:34/mi
Half· 13.11 mi
1:39:09
Rank: #10399 (+75)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
1:57:30
Rank: #10179 (+220)
Half → 25K
18:21 | 7:34/mi
30K· 18.64 mi
2:21:27
Rank: #9890 (+289)
25K → 30K
23:57 | 7:43/mi
20M
2:31:54
Rank: #9703 (+187)
30K → 20M
10:27 | 7:41/mi
21M
2:39:49
Rank: #9512 (+191)
20M → 21M
7:55 | 7:55/mi
35K· 21.75 mi
2:45:17
Rank: #9400 (+112)
21M → 35K
5:28 | 7:18/mi
23M
2:54:59
Rank: #9276 (+124)
35K → 23M
9:42 | 7:45/mi
24M
3:02:36
Rank: #9207 (+69)
23M → 24M
7:37 | 7:37/mi
40K· 24.85 mi
3:09:18
Rank: #9180 (+27)
24M → 40K
6:42 | 7:50/mi
25.2M
3:12:10
Rank: #9164 (+16)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
3:19:50
Rank: #9151 (+13)
25.2M → Finish
7:40 | 7:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:09
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:40:41
Pace7:41 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1123:277:3323:27
7:33
-
10K
6.21 mi11:16:5247:087:3523:41
7:37
+0:04
15K
9.32 mi11:40:201:10:367:3423:28
7:33
-0:04
20K
12.43 mi12:03:521:34:087:3423:32
7:34
+0:01
Half
13.11 mi12:08:531:39:097:345:01
7:21
-0:13
25K
15.53 mi12:27:141:57:307:3418:21
7:34
+0:13
30K
18.64 mi12:51:112:21:277:3523:57
7:43
+0:09
20M
20.00 mi13:01:382:31:547:3610:27
7:41
-0:02
21M
21.00 mi13:09:332:39:497:377:55
7:55
+0:14
35K
21.75 mi13:15:012:45:177:365:28
7:18
-0:37
23M
23.00 mi13:24:432:54:597:369:42
7:45
+0:27
24M
24.00 mi13:32:203:02:367:377:37
7:37
-0:08
40K
24.85 mi13:39:023:09:187:376:42
7:50
+0:13
25.2M
25.20 mi13:41:543:12:107:382:52
8:19
+0:29
Finish
26.22 mi13:49:343:19:507:387:40
7:31
-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

7:18 /mi

Average Pace

7:38 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:58

99% of race

Time at Steady Pace

2:52

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:37 /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 mi10:53:1123:277:3323:27
7:33
#10069
10K
6.21 mi11:16:5247:087:3523:41
7:37
#10786
15K
9.32 mi11:40:201:10:367:3423:28
7:33
#10709
20K
12.43 mi12:03:521:34:087:3423:32
7:34
#10474
Half
13.11 mi12:08:531:39:097:345:01
7:21
#10399
25K
15.53 mi12:27:141:57:307:3418:21
7:34
#10179
30K
18.64 mi12:51:112:21:277:3523:57
7:43
#9890
20M
20.00 mi13:01:382:31:547:3610:27
7:41
#9703
21M
21.00 mi13:09:332:39:497:377:55
7:55
#9512
35K
21.75 mi13:15:012:45:177:365:28
7:18
#9400
23M
23.00 mi13:24:432:54:597:369:42
7:45
#9276
24M
24.00 mi13:32:203:02:367:377:37
7:37
#9207
40K
24.85 mi13:39:023:09:187:376:42
7:50
#9180
25.2M
25.20 mi13:41:543:12:107:382:52
8:19
#9164
Finish
26.22 mi13:49:343:19:507:387:40
7:31
#9151
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi100691894189410613(Top 40%)2138(Top 19%)2138(Top 44%)
10K6.21 mi3.10 mi10786-7172217-3232217-32311541(Top 43%)2617(Top 23%)2617(Top 54%)
15K9.32 mi3.11 mi10709+772172+452172+4510613(Top 40%)2138(Top 19%)2138(Top 44%)
20K12.43 mi3.11 mi10474+2352057+1152057+1159915(Top 37%)1874(Top 16%)1874(Top 38%)
Half13.11 mi0.68 mi10399+752028+292028+299092(Top 34%)1516(Top 13%)1516(Top 31%)
25K15.53 mi2.42 mi10179+2201941+871941+879318(Top 35%)1690(Top 15%)1690(Top 35%)
30K18.64 mi3.11 mi9890+2891843+981843+988720(Top 33%)1603(Top 14%)1603(Top 33%)
20M20.00 mi1.36 mi9703+1871794+491794+498137(Top 31%)1458(Top 13%)1458(Top 30%)
21M21.00 mi1.00 mi9512+1911736+581736+586872(Top 26%)1091(Top 10%)1091(Top 22%)
35K21.75 mi0.75 mi9400+1121712+241712+247242(Top 27%)1204(Top 11%)1204(Top 25%)
23M23.00 mi1.25 mi9276+1241690+221690+228077(Top 30%)1621(Top 14%)1621(Top 33%)
24M24.00 mi1.00 mi9207+691678+121678+128540(Top 32%)1892(Top 17%)1892(Top 39%)
40K24.85 mi0.85 mi9180+271694-161694-168923(Top 34%)2139(Top 19%)2139(Top 44%)
25.2M25.20 mi0.35 mi9164+161695-11695-18441(Top 32%)1992(Top 17%)1992(Top 41%)
Finish26.22 mi1.02 mi9151+131714-191714-198747(Top 33%)2127(Top 19%)2127(Top 44%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10613

Females

2138

F18-39

2138

5K→10K

3.1 - 6.2 mi

Top 43%
×5stories
+79ft-138ft

Overall

11541

Females

2617

F18-39

2617

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10613

Females

2138

F18-39

2138

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

9915

Females

1874

F18-39

1874

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9092

Females

1516

F18-39

1516

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

9318

Females

1690

F18-39

1690

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8720

Females

1603

F18-39

1603

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8137

Females

1458

F18-39

1458

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

6872

Females

1091

F18-39

1091

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

7242

Females

1204

F18-39

1204

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

8077

Females

1621

F18-39

1621

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

8540

Females

1892

F18-39

1892

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

8923

Females

2139

F18-39

2139

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8441

Females

1992

F18-39

1992

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

8747

Females

2127

F18-39

2127

Passing Analysis

Category:
Athletes Passed
2201*
Passed By
1283
Net Change
+918
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10069
5K → 10K83800-717#10069#10786
10K → 15K225148+77#10786#10709
15K → 20K29358+235#10709#10474
20K → Half805+75#10474#10399
Half → 25K25939+220#10399#10179
25K → 30K327*38+289#10179#9890
30K → 20M20114+187#9890#9703
20M → 21M1965+191#9703#9512
21M → 35K1219+112#9512#9400
35K → 23M14622+124#9400#9276
23M → 24M9728+69#9276#9207
24M → 40K7649+27#9207#9180
40K → 25.2M2812+16#9180#9164
25.2M → Finish6956+13#9164#9151
TOTALS2201*1283+918

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

📊

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