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BOSTON MARATHON 2023

Cecilia Perez

Bib: 26069•F

FL

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0:00
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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
29:26
Rank: #22020
Start → 5K
9:28/mi
29:26 split
10K· 6.21 mi
58:32
Rank: #22114 (-94)
5K → 10K
9:22/mi
29:06 split
15K· 9.32 mi
1:28:44
Rank: #22378 (-264)
10K → 15K
9:43/mi
30:12 split
20K· 12.43 mi
1:59:22
Rank: #22413 (-35)
15K → 20K
9:52/mi
30:38 split
Half· 13.11 mi
2:06:03
Rank: #22456 (-43)
20K → Half
9:48/mi
6:41 split
25K· 15.53 mi
2:32:32
Rank: #22768 (-312)
Half → 25K
10:55/mi
26:29 split
30K· 18.64 mi
3:04:42
Rank: #22582 (+186)
25K → 30K
10:21/mi
32:10 split
20M
3:18:43
Rank: #22483 (+99)
30K → 20M
10:19/mi
14:01 split
21M
3:29:27
Rank: #22362 (+121)
20M → 21M
10:44/mi
10:44 split
35K· 21.75 mi
3:39:16
Rank: #22560 (-198)
21M → 35K
13:07/mi
9:49 split
23M
3:51:58
Rank: #22452 (+108)
35K → 23M
10:09/mi
12:42 split
24M
4:02:00
Rank: #22390 (+62)
23M → 24M
10:02/mi
10:02 split
40K· 24.85 mi
4:10:40
Rank: #22315 (+75)
24M → 40K
10:08/mi
8:40 split
25.2M
4:14:19
Rank: #22273 (+42)
40K → 25.2M
10:35/mi
3:39 split
Finish· 26.22 mi
4:23:41
Rank: #22174 (+99)
25.2M → Finish
9:11/mi
9:22 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:03
Pace9:37 /mi
2nd Half
Distance13.11 mi
Time2:17:38
Pace10:30 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:0029:269:2829:26
9:28
-
10K
6.21 mi12:15:0658:329:2529:06
9:22
-0:06
15K
9.32 mi12:45:181:28:449:3130:12
9:43
+0:21
20K
12.43 mi13:15:561:59:229:3630:38
9:52
+0:09
Half
13.11 mi13:22:372:06:039:376:41
9:48
-0:04
25K
15.53 mi13:49:062:32:329:4926:29
10:55
+1:07
30K
18.64 mi14:21:163:04:429:5432:10
10:21
-0:34
20M
20.00 mi14:35:173:18:439:5614:01
10:19
-0:02
21M
21.00 mi14:46:013:29:279:5810:44
10:44
+0:25
35K
21.75 mi14:55:503:39:1610:059:49
13:07
+2:23
23M
23.00 mi15:08:323:51:5810:0512:42
10:09
-2:58
24M
24.00 mi15:18:344:02:0010:0510:02
10:02
-0:07
40K
24.85 mi15:27:144:10:4010:058:40
10:08
+0:06
25.2M
25.20 mi15:30:534:14:1910:063:39
10:35
+0:27
Finish
26.22 mi15:40:154:23:4110:049:22
9:11
-1:24

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

9:11 /mi

Average Pace

10:04 /mi

Slowest Pace

13:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:07:54

26% of race

Time at Steady Pace

2:28:45

56% of race

Time at Slower Pace

47:02

18% of race

Average Pace: 10:03 /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 mi11:46:0029:269:2829:26
9:28
#22020
10K
6.21 mi12:15:0658:329:2529:06
9:22
#22114
15K
9.32 mi12:45:181:28:449:3130:12
9:43
#22378
20K
12.43 mi13:15:561:59:229:3630:38
9:52
#22413
Half
13.11 mi13:22:372:06:039:376:41
9:48
#22456
25K
15.53 mi13:49:062:32:329:4926:29
10:55
#22768
30K
18.64 mi14:21:163:04:429:5432:10
10:21
#22582
20M
20.00 mi14:35:173:18:439:5614:01
10:19
#22483
21M
21.00 mi14:46:013:29:279:5810:44
10:44
#22362
35K
21.75 mi14:55:503:39:1610:059:49
13:07
#22560
23M
23.00 mi15:08:323:51:5810:0512:42
10:09
#22452
24M
24.00 mi15:18:344:02:0010:0510:02
10:02
#22390
40K
24.85 mi15:27:144:10:4010:058:40
10:08
#22315
25.2M
25.20 mi15:30:534:14:1910:063:39
10:35
#22273
Finish
26.22 mi15:40:154:23:4110:049:22
9:11
#22174
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi220208891889122861(Top 86%)9263(Top 81%)9263(Top 190%)
10K6.21 mi3.10 mi22114-948914-238914-2322136(Top 83%)8894(Top 78%)8894(Top 182%)
15K9.32 mi3.11 mi22378-2649030-1169030-11622861(Top 86%)9263(Top 81%)9263(Top 190%)
20K12.43 mi3.11 mi22413-359035-59035-522548(Top 85%)9108(Top 80%)9108(Top 186%)
Half13.11 mi0.68 mi22456-439061-269061-2622864(Top 86%)9274(Top 81%)9274(Top 190%)
25K15.53 mi2.42 mi22768-3129239-1789239-17823846(Top 90%)9872(Top 86%)9872(Top 202%)
30K18.64 mi3.11 mi22582+1869179+609179+6021899(Top 82%)8849(Top 77%)8849(Top 181%)
20M20.00 mi1.36 mi22483+999125+549125+5421318(Top 80%)8595(Top 75%)8595(Top 176%)
21M21.00 mi1.00 mi22362+1219066+599066+5920242(Top 76%)8063(Top 71%)8063(Top 165%)
35K21.75 mi0.75 mi22560-1989176-1109176-11025653(Top 96%)10971(Top 96%)10971(Top 225%)
23M23.00 mi1.25 mi22452+1089126+509126+5020431(Top 77%)8194(Top 72%)8194(Top 168%)
24M24.00 mi1.00 mi22390+629099+279099+2720894(Top 78%)8489(Top 74%)8489(Top 174%)
40K24.85 mi0.85 mi22315+759061+389061+3820357(Top 76%)8262(Top 72%)8262(Top 169%)
25.2M25.20 mi0.35 mi22273+429044+179044+1719423(Top 73%)7757(Top 68%)7757(Top 159%)
Finish26.22 mi1.02 mi22174+998999+458999+4518914(Top 71%)7407(Top 65%)7407(Top 152%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21story building
+97ft-345ft

Overall

22861

Females

9263

F18-39

9263

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

22136

Females

8894

F18-39

8894

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+67ft-78ft

Overall

22861

Females

9263

F18-39

9263

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

22548

Females

9108

F18-39

9108

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

22864

Females

9274

F18-39

9274

Half→25K

13.1 - 15.5 mi

Top 90%
×4story building
+66ft-88ft

Overall

23846

Females

9872

F18-39

9872

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

21899

Females

8849

F18-39

8849

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

21318

Females

8595

F18-39

8595

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

20242

Females

8063

F18-39

8063

21M→35K

21.0 - 21.8 mi

Top 96%
×7story building
+17ft-86ft

Overall

25653

Females

10971

F18-39

10971

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

20431

Females

8194

F18-39

8194

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

20894

Females

8489

F18-39

8489

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20357

Females

8262

F18-39

8262

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19423

Females

7757

F18-39

7757

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

18914

Females

7407

F18-39

7407

Passing Analysis

Category:
Athletes Passed
1327
Passed By
1481
Net Change
-154
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22020
5K → 10K201295-94#22020#22114
10K → 15K86350-264#22114#22378
15K → 20K119154-35#22378#22413
20K → Half1053-43#22413#22456
Half → 25K26338-312#22456#22768
25K → 30K22135+186#22768#22582
30K → 20M10910+99#22582#22483
20M → 21M1298+121#22483#22362
21M → 35K10208-198#22362#22560
35K → 23M1179+108#22560#22452
23M → 24M697+62#22452#22390
24M → 40K8510+75#22390#22315
40K → 25.2M442+42#22315#22273
25.2M → Finish1012+99#22273#22174
TOTALS13271481-154
📊

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