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BOSTON MARATHON 2023

Brittany Decker

Bib: 17792•F

AL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 49%
Gender (Female)
#0 / 11423
Top 33%
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
24:01
Rank: #11745
Start → 5K
24:01 | 7:44/mi
10K· 6.21 mi
47:26
Rank: #11217 (+528)
5K → 10K
23:25 | 7:32/mi
15K· 9.32 mi
1:11:25
Rank: #11474 (-257)
10K → 15K
23:59 | 7:43/mi
20K· 12.43 mi
1:36:01
Rank: #11758 (-284)
15K → 20K
24:36 | 7:55/mi
Half· 13.11 mi
1:41:19
Rank: #11789 (-31)
20K → Half
5:18 | 7:46/mi
25K· 15.53 mi
2:00:54
Rank: #12039 (-250)
Half → 25K
19:35 | 8:05/mi
30K· 18.64 mi
2:27:12
Rank: #12431 (-392)
25K → 30K
26:18 | 8:28/mi
20M
2:38:53
Rank: #12590 (-159)
30K → 20M
11:41 | 8:36/mi
21M
2:48:15
Rank: #12744 (-154)
20M → 21M
9:22 | 9:22/mi
35K· 21.75 mi
2:54:09
Rank: #12683 (+61)
21M → 35K
5:54 | 7:53/mi
23M
3:04:52
Rank: #12731 (-48)
35K → 23M
10:43 | 8:34/mi
24M
3:13:18
Rank: #12796 (-65)
23M → 24M
8:26 | 8:26/mi
40K· 24.85 mi
3:20:53
Rank: #12893 (-97)
24M → 40K
7:35 | 8:52/mi
25.2M
3:24:13
Rank: #12944 (-51)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:33:13
Rank: #13116 (-172)
25.2M → Finish
9:00 | 8:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:19
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:51:54
Pace8:32 /mi
📊Positive Split: 10.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:4924:017:4424:01
7:44
-
10K
6.21 mi11:38:1447:267:3823:25
7:32
-0:12
15K
9.32 mi12:02:131:11:257:4023:59
7:43
+0:11
20K
12.43 mi12:26:491:36:017:4424:36
7:55
+0:12
Half
13.11 mi12:32:071:41:197:445:18
7:46
-0:09
25K
15.53 mi12:51:422:00:547:4719:35
8:05
+0:19
30K
18.64 mi13:18:002:27:127:5426:18
8:28
+0:23
20M
20.00 mi13:29:412:38:537:5711:41
8:36
+0:08
21M
21.00 mi13:39:032:48:158:019:22
9:22
+0:46
35K
21.75 mi13:44:572:54:098:005:54
7:53
-1:29
23M
23.00 mi13:55:403:04:528:0210:43
8:34
+0:41
24M
24.00 mi14:04:063:13:188:038:26
8:26
-0:08
40K
24.85 mi14:11:413:20:538:057:35
8:52
+0:26
25.2M
25.20 mi14:15:013:24:138:063:20
9:40
+0:48
Finish
26.22 mi14:24:013:33:138:089:00
8:50
-0:50

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

7:32 /mi

Average Pace

8:08 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:48

59% of race

Time at Steady Pace

57:08

27% of race

Time at Slower Pace

29:17

14% of race

Average Pace: 8:08 /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 mi11:14:4924:017:4424:01
7:44
#11745
10K
6.21 mi11:38:1447:267:3823:25
7:32
#11217
15K
9.32 mi12:02:131:11:257:4023:59
7:43
#11474
20K
12.43 mi12:26:491:36:017:4424:36
7:55
#11758
Half
13.11 mi12:32:071:41:197:445:18
7:46
#11789
25K
15.53 mi12:51:422:00:547:4719:35
8:05
#12039
30K
18.64 mi13:18:002:27:127:5426:18
8:28
#12431
20M
20.00 mi13:29:412:38:537:5711:41
8:36
#12590
21M
21.00 mi13:39:032:48:158:019:22
9:22
#12744
35K
21.75 mi13:44:572:54:098:005:54
7:53
#12683
23M
23.00 mi13:55:403:04:528:0210:43
8:34
#12731
24M
24.00 mi14:04:063:13:188:038:26
8:26
#12796
40K
24.85 mi14:11:413:20:538:057:35
8:52
#12893
25.2M
25.20 mi14:15:013:24:138:063:20
9:40
#12944
Finish
26.22 mi14:24:013:33:138:089:00
8:50
#13116
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi117452719271912026(Top 45%)2916(Top 26%)2916(Top 60%)
10K6.21 mi3.10 mi11217+5282451+2682451+26810801(Top 41%)2207(Top 19%)2207(Top 45%)
15K9.32 mi3.11 mi11474-2572586-1352586-13512026(Top 45%)2916(Top 26%)2916(Top 60%)
20K12.43 mi3.11 mi11758-2842775-1892775-18912783(Top 48%)3432(Top 30%)3432(Top 70%)
Half13.11 mi0.68 mi11789-312791-162791-1612532(Top 47%)3235(Top 28%)3235(Top 66%)
25K15.53 mi2.42 mi12039-2502964-1732964-17313354(Top 50%)3838(Top 34%)3838(Top 79%)
30K18.64 mi3.11 mi12431-3923216-2523216-25214080(Top 53%)4377(Top 38%)4377(Top 90%)
20M20.00 mi1.36 mi12590-1593327-1113327-11114247(Top 54%)4559(Top 40%)4559(Top 93%)
21M21.00 mi1.00 mi12744-1543439-1123439-11215334(Top 58%)5242(Top 46%)5242(Top 107%)
35K21.75 mi0.75 mi12683+613419+203419+2011361(Top 43%)3068(Top 27%)3068(Top 63%)
23M23.00 mi1.25 mi12731-483473-543473-5413591(Top 51%)4386(Top 38%)4386(Top 90%)
24M24.00 mi1.00 mi12796-653530-573530-5714088(Top 53%)4715(Top 41%)4715(Top 97%)
40K24.85 mi0.85 mi12893-973611-813611-8115461(Top 58%)5555(Top 49%)5555(Top 114%)
25.2M25.20 mi0.35 mi12944-513652-413652-4115965(Top 60%)5829(Top 51%)5829(Top 119%)
Finish26.22 mi1.02 mi13116-1723766-1143766-11417203(Top 65%)6480(Top 57%)6480(Top 133%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

12026

Females

2916

F18-39

2916

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

10801

Females

2207

F18-39

2207

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

12026

Females

2916

F18-39

2916

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

12783

Females

3432

F18-39

3432

20K→Half

12.4 - 13.1 mi

Top 47%
×2stories
+19ft-37ft

Overall

12532

Females

3235

F18-39

3235

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

13354

Females

3838

F18-39

3838

25K→30K

15.5 - 18.6 mi

Top 53%
×9stories
+181ft-148ft

Overall

14080

Females

4377

F18-39

4377

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

14247

Females

4559

F18-39

4559

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

15334

Females

5242

F18-39

5242

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

11361

Females

3068

F18-39

3068

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

13591

Females

4386

F18-39

4386

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

14088

Females

4715

F18-39

4715

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15461

Females

5555

F18-39

5555

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15965

Females

5829

F18-39

5829

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

17203

Females

6480

F18-39

6480

Passing Analysis

Category:
Athletes Passed
1380
Passed By
2751
Net Change
-1371
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11745
5K → 10K638110+528#11745#11217
10K → 15K104361-257#11217#11474
15K → 20K73357-284#11474#11758
20K → Half2354-31#11758#11789
Half → 25K64314-250#11789#12039
25K → 30K103495-392#12039#12431
30K → 20M55214-159#12431#12590
20M → 21M50204-154#12590#12744
21M → 35K7615+61#12744#12683
35K → 23M71119-48#12683#12731
23M → 24M46111-65#12731#12796
24M → 40K46143-97#12796#12893
40K → 25.2M1364-51#12893#12944
25.2M → Finish18190-172#12944#13116
TOTALS13802751-1371
📊

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