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BOSTON MARATHON 2023

Jessica Cain

Bib: 18752•F

OR

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 43%
Gender (Female)
#0 / 11423
Top 24%
Division (F18-39)
#0 / 4884
Top 41%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:33
Rank: #13265
Start → 5K
24:33 | 7:54/mi
10K· 6.21 mi
48:26
Rank: #12653 (+612)
5K → 10K
23:53 | 7:41/mi
15K· 9.32 mi
1:12:18
Rank: #12284 (+369)
10K → 15K
23:52 | 7:41/mi
20K· 12.43 mi
1:36:17
Rank: #11947 (+337)
15K → 20K
23:59 | 7:43/mi
Half· 13.11 mi
1:41:26
Rank: #11877 (+70)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
2:00:24
Rank: #11732 (+145)
Half → 25K
18:58 | 7:49/mi
30K· 18.64 mi
2:25:00
Rank: #11436 (+296)
25K → 30K
24:36 | 7:55/mi
20M
2:35:56
Rank: #11336 (+100)
30K → 20M
10:56 | 8:03/mi
21M
2:44:32
Rank: #11280 (+56)
20M → 21M
8:36 | 8:36/mi
35K· 21.75 mi
2:50:21
Rank: #11251 (+29)
21M → 35K
5:49 | 7:46/mi
23M
3:00:44
Rank: #11282 (-31)
35K → 23M
10:23 | 8:18/mi
24M
3:08:45
Rank: #11282
23M → 24M
8:01 | 8:01/mi
40K· 24.85 mi
3:15:53
Rank: #11318 (-36)
24M → 40K
7:08 | 8:21/mi
25.2M
3:18:54
Rank: #11306 (+12)
40K → 25.2M
3:01 | 8:45/mi
Finish· 26.22 mi
3:27:12
Rank: #11362 (-56)
25.2M → Finish
8:18 | 8:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:26
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:45:46
Pace8:04 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:4724:337:5424:33
7:54
-
10K
6.21 mi11:39:4048:267:4823:53
7:41
-0:13
15K
9.32 mi12:03:321:12:187:4523:52
7:41
0:00
20K
12.43 mi12:27:311:36:177:4523:59
7:43
+0:02
Half
13.11 mi12:32:401:41:267:445:09
7:33
-0:10
25K
15.53 mi12:51:382:00:247:4518:58
7:49
+0:16
30K
18.64 mi13:16:142:25:007:4724:36
7:55
+0:06
20M
20.00 mi13:27:102:35:567:4810:56
8:03
+0:08
21M
21.00 mi13:35:462:44:327:508:36
8:36
+0:33
35K
21.75 mi13:41:352:50:217:505:49
7:46
-0:50
23M
23.00 mi13:51:583:00:447:5110:23
8:18
+0:32
24M
24.00 mi13:59:593:08:457:528:01
8:01
-0:17
40K
24.85 mi14:07:073:15:537:537:08
8:21
+0:20
25.2M
25.20 mi14:10:083:18:547:543:01
8:45
+0:24
Finish
26.22 mi14:18:263:27:127:558:18
8:09
-0:36

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

7:33 /mi

Average Pace

7:55 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:27

91% of race

Time at Steady Pace

18:45

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:54 /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 mi11:15:4724:337:5424:33
7:54
#13265
10K
6.21 mi11:39:4048:267:4823:53
7:41
#12653
15K
9.32 mi12:03:321:12:187:4523:52
7:41
#12284
20K
12.43 mi12:27:311:36:177:4523:59
7:43
#11947
Half
13.11 mi12:32:401:41:267:445:09
7:33
#11877
25K
15.53 mi12:51:382:00:247:4518:58
7:49
#11732
30K
18.64 mi13:16:142:25:007:4724:36
7:55
#11436
20M
20.00 mi13:27:102:35:567:4810:56
8:03
#11336
21M
21.00 mi13:35:462:44:327:508:36
8:36
#11280
35K
21.75 mi13:41:352:50:217:505:49
7:46
#11251
23M
23.00 mi13:51:583:00:447:5110:23
8:18
#11282
24M
24.00 mi13:59:593:08:457:528:01
8:01
#11282
40K
24.85 mi14:07:073:15:537:537:08
8:21
#11318
25.2M
25.20 mi14:10:083:18:547:543:01
8:45
#11306
Finish
26.22 mi14:18:263:27:127:558:18
8:09
#11362
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi132653585358511714(Top 44%)2739(Top 24%)2739(Top 56%)
10K6.21 mi3.10 mi12653+6123235+3503235+35012128(Top 46%)2941(Top 26%)2941(Top 60%)
15K9.32 mi3.11 mi12284+3693052+1833052+18311714(Top 44%)2739(Top 24%)2739(Top 56%)
20K12.43 mi3.11 mi11947+3372883+1692883+16911086(Top 42%)2452(Top 21%)2452(Top 50%)
Half13.11 mi0.68 mi11877+702844+392844+3910702(Top 40%)2240(Top 20%)2240(Top 46%)
25K15.53 mi2.42 mi11732+1452776+682776+6811308(Top 42%)2664(Top 23%)2664(Top 55%)
30K18.64 mi3.11 mi11436+2962655+1212655+12110292(Top 39%)2304(Top 20%)2304(Top 47%)
20M20.00 mi1.36 mi11336+1002617+382617+3810619(Top 40%)2545(Top 22%)2545(Top 52%)
21M21.00 mi1.00 mi11280+562611+62611+611073(Top 42%)2908(Top 25%)2908(Top 60%)
35K21.75 mi0.75 mi11251+292606+52606+510523(Top 40%)2623(Top 23%)2623(Top 54%)
23M23.00 mi1.25 mi11282-312649-432649-4311852(Top 45%)3430(Top 30%)3430(Top 70%)
24M24.00 mi1.00 mi112822668-192668-1911375(Top 43%)3270(Top 29%)3270(Top 67%)
40K24.85 mi0.85 mi11318-362711-432711-4312345(Top 46%)3845(Top 34%)3845(Top 79%)
25.2M25.20 mi0.35 mi11306+122720-92720-911077(Top 42%)3235(Top 28%)3235(Top 66%)
Finish26.22 mi1.02 mi11362-562774-542774-5413077(Top 49%)4246(Top 37%)4246(Top 87%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

11714

Females

2739

F18-39

2739

5K→10K

3.1 - 6.2 mi

Top 46%
×5stories
+79ft-138ft

Overall

12128

Females

2941

F18-39

2941

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

11714

Females

2739

F18-39

2739

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11086

Females

2452

F18-39

2452

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

10702

Females

2240

F18-39

2240

Half→25K

13.1 - 15.5 mi

Top 42%
×4stories
+66ft-88ft

Overall

11308

Females

2664

F18-39

2664

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

10292

Females

2304

F18-39

2304

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

10619

Females

2545

F18-39

2545

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

11073

Females

2908

F18-39

2908

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

10523

Females

2623

F18-39

2623

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

11852

Females

3430

F18-39

3430

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

11375

Females

3270

F18-39

3270

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12345

Females

3845

F18-39

3845

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11077

Females

3235

F18-39

3235

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

13077

Females

4246

F18-39

4246

Passing Analysis

Category:
Athletes Passed
2762
Passed By
859
Net Change
+1903
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13265
5K → 10K732120+612#13265#12653
10K → 15K42657+369#12653#12284
15K → 20K37134+337#12284#11947
20K → Half755+70#11947#11877
Half → 25K20964+145#11877#11732
25K → 30K34549+296#11732#11436
30K → 20M13737+100#11436#11336
20M → 21M11458+56#11336#11280
21M → 35K5930+29#11280#11251
35K → 23M81112-31#11251#11282
23M → 24M65650#11282#11282
24M → 40K5692-36#11282#11318
40K → 25.2M3725+12#11318#11306
25.2M → Finish55111-56#11306#11362
TOTALS2762859+1903
📊

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