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BOSTON MARATHON 2023

Briana Crowley

Bib: 26876•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
31:18
Rank: #23619
Start → 5K
31:18 | 10:04/mi
10K· 6.21 mi
1:02:02
Rank: #23587 (+32)
5K → 10K
30:44 | 9:54/mi
15K· 9.32 mi
1:33:08
Rank: #23581 (+6)
10K → 15K
31:06 | 10:01/mi
20K· 12.43 mi
2:05:36
Rank: #23657 (-76)
15K → 20K
32:28 | 10:27/mi
Half· 13.11 mi
2:12:38
Rank: #23663 (-6)
20K → Half
7:02 | 10:19/mi
25K· 15.53 mi
2:38:29
Rank: #23609 (+54)
Half → 25K
25:51 | 10:40/mi
30K· 18.64 mi
3:13:24
Rank: #23569 (+40)
25K → 30K
34:55 | 11:14/mi
20M
3:29:22
Rank: #23586 (-17)
30K → 20M
15:58 | 11:45/mi
21M
3:41:32
Rank: #23580 (+6)
20M → 21M
12:10 | 12:10/mi
35K· 21.75 mi
3:50:13
Rank: #23603 (-23)
21M → 35K
8:41 | 11:36/mi
23M
4:05:28
Rank: #23671 (-68)
35K → 23M
15:15 | 12:11/mi
24M
4:17:24
Rank: #23735 (-64)
23M → 24M
11:56 | 11:56/mi
40K· 24.85 mi
4:28:00
Rank: #23774 (-39)
24M → 40K
10:36 | 12:24/mi
25.2M
4:32:15
Rank: #23762 (+12)
40K → 25.2M
4:15 | 12:19/mi
Finish· 26.22 mi
4:42:16
Rank: #23694 (+68)
25.2M → Finish
10:01 | 9:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:38
Pace10:07 /mi
2nd Half
Distance13.11 mi
Time2:29:38
Pace11:25 /mi
📊Positive Split: 12.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4231:1810:0431:18
10:04
-
10K
6.21 mi12:24:261:02:029:5930:44
9:54
-0:10
15K
9.32 mi12:55:321:33:0810:0031:06
10:01
+0:07
20K
12.43 mi13:28:002:05:3610:0632:28
10:27
+0:26
Half
13.11 mi13:35:022:12:3810:077:02
10:19
-0:08
25K
15.53 mi14:00:532:38:2910:1225:51
10:40
+0:21
30K
18.64 mi14:35:483:13:2410:2234:55
11:14
+0:34
20M
20.00 mi14:51:463:29:2210:2815:58
11:45
+0:31
21M
21.00 mi15:03:563:41:3210:3312:10
12:10
+0:25
35K
21.75 mi15:12:373:50:1310:358:41
11:36
-0:34
23M
23.00 mi15:27:524:05:2810:4015:15
12:11
+0:35
24M
24.00 mi15:39:484:17:2410:4411:56
11:56
-0:15
40K
24.85 mi15:50:244:28:0010:4710:36
12:24
+0:28
25.2M
25.20 mi15:54:394:32:1510:484:15
12:19
-0:05
Finish
26.22 mi16:04:404:42:1610:4610:01
9:50
-2:29

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

9:50 /mi

Average Pace

10:46 /mi

Slowest Pace

12:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:30

60% of race

Time at Steady Pace

43:36

15% of race

Time at Slower Pace

1:10:10

25% of race

Average Pace: 10:46 /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 mi11:53:4231:1810:0431:18
10:04
#23619
10K
6.21 mi12:24:261:02:029:5930:44
9:54
#23587
15K
9.32 mi12:55:321:33:0810:0031:06
10:01
#23581
20K
12.43 mi13:28:002:05:3610:0632:28
10:27
#23657
Half
13.11 mi13:35:022:12:3810:077:02
10:19
#23663
25K
15.53 mi14:00:532:38:2910:1225:51
10:40
#23609
30K
18.64 mi14:35:483:13:2410:2234:55
11:14
#23569
20M
20.00 mi14:51:463:29:2210:2815:58
11:45
#23586
21M
21.00 mi15:03:563:41:3210:3312:10
12:10
#23580
35K
21.75 mi15:12:373:50:1310:358:41
11:36
#23603
23M
23.00 mi15:27:524:05:2810:4015:15
12:11
#23671
24M
24.00 mi15:39:484:17:2410:4411:56
11:56
#23735
40K
24.85 mi15:50:244:28:0010:4710:36
12:24
#23774
25.2M
25.20 mi15:54:394:32:1510:484:15
12:19
#23762
Finish
26.22 mi16:04:404:42:1610:4610:01
9:50
#23694
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi236199712971223524(Top 88%)9619(Top 84%)9619(Top 197%)
10K6.21 mi3.10 mi23587+329670+429670+4223470(Top 88%)9607(Top 84%)9607(Top 197%)
15K9.32 mi3.11 mi23581+69659+119659+1123524(Top 88%)9619(Top 84%)9619(Top 197%)
20K12.43 mi3.11 mi23657-769701-429701-4223755(Top 89%)9777(Top 86%)9777(Top 200%)
Half13.11 mi0.68 mi23663-69702-19702-123875(Top 90%)9848(Top 86%)9848(Top 202%)
25K15.53 mi2.42 mi23609+549678+249678+2423455(Top 88%)9645(Top 84%)9645(Top 197%)
30K18.64 mi3.11 mi23569+409682-49682-423478(Top 88%)9723(Top 85%)9723(Top 199%)
20M20.00 mi1.36 mi23586-179705-239705-2323888(Top 90%)10017(Top 88%)10017(Top 205%)
21M21.00 mi1.00 mi23580+69708-39708-323001(Top 86%)9554(Top 84%)9554(Top 196%)
35K21.75 mi0.75 mi23603-239723-159723-1524234(Top 91%)10247(Top 90%)10247(Top 210%)
23M23.00 mi1.25 mi23671-689767-449767-4424231(Top 91%)10255(Top 90%)10255(Top 210%)
24M24.00 mi1.00 mi23735-649818-519818-5124435(Top 92%)10396(Top 91%)10396(Top 213%)
40K24.85 mi0.85 mi23774-399845-279845-2724335(Top 91%)10354(Top 91%)10354(Top 212%)
25.2M25.20 mi0.35 mi23762+129840+59840+523042(Top 87%)9688(Top 85%)9688(Top 198%)
Finish26.22 mi1.02 mi23694+689811+299811+2921276(Top 80%)8708(Top 76%)8708(Top 178%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21stories
+97ft-345ft

Overall

23524

Females

9619

F18-39

9619

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

23470

Females

9607

F18-39

9607

10K→15K

6.2 - 9.3 mi

Top 88%
×3stories
+67ft-78ft

Overall

23524

Females

9619

F18-39

9619

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

23755

Females

9777

F18-39

9777

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

23875

Females

9848

F18-39

9848

Half→25K

13.1 - 15.5 mi

Top 88%
×4stories
+66ft-88ft

Overall

23455

Females

9645

F18-39

9645

25K→30K

15.5 - 18.6 mi

Top 88%
×9stories
+181ft-148ft

Overall

23478

Females

9723

F18-39

9723

30K→20M

18.6 - 20.0 mi

Top 90%
×5stories
+64ft-50ft

Overall

23888

Females

10017

F18-39

10017

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

23001

Females

9554

F18-39

9554

21M→35K

21.0 - 21.8 mi

Top 91%
×7stories
+17ft-86ft

Overall

24234

Females

10247

F18-39

10247

35K→23M

21.8 - 23.0 mi

Top 91%
×5stories
+23ft-63ft

Overall

24231

Females

10255

F18-39

10255

23M→24M

23.0 - 24.0 mi

Top 92%
×6stories
+12ft-82ft

Overall

24435

Females

10396

F18-39

10396

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24335

Females

10354

F18-39

10354

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23042

Females

9688

F18-39

9688

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

21276

Females

8708

F18-39

8708

Passing Analysis

Category:
Athletes Passed
941
Passed By
1016
Net Change
-75
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23619
5K → 10K218186+32#23619#23587
10K → 15K126120+6#23587#23581
15K → 20K98174-76#23581#23657
20K → Half1925-6#23657#23663
Half → 25K11359+54#23663#23609
25K → 30K12181+40#23609#23569
30K → 20M4562-17#23569#23586
20M → 21M4135+6#23586#23580
21M → 35K1740-23#23580#23603
35K → 23M2290-68#23603#23671
23M → 24M1680-64#23671#23735
24M → 40K1756-39#23735#23774
40K → 25.2M142+12#23774#23762
25.2M → Finish746+68#23762#23694
TOTALS9411016-75
📊

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