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BOSTON MARATHON 2023

Brittany Good

Bib: 27315•F

GA

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
37:02
Rank: #26407
Start → 5K
37:02 | 11:55/mi
10K· 6.21 mi
1:16:02
Rank: #26463 (-56)
5K → 10K
39:00 | 12:33/mi
15K· 9.32 mi
1:54:19
Rank: #26409 (+54)
10K → 15K
38:17 | 12:19/mi
20K· 12.43 mi
2:36:13
Rank: #26437 (-28)
15K → 20K
41:54 | 13:29/mi
Half· 13.11 mi
2:45:21
Rank: #26444 (-7)
20K → Half
9:08 | 13:23/mi
25K· 15.53 mi
3:20:01
Rank: #26460 (-16)
Half → 25K
34:40 | 14:18/mi
30K· 18.64 mi
4:07:25
Rank: #26502 (-42)
25K → 30K
47:24 | 15:15/mi
20M
4:27:54
Rank: #26507 (-5)
30K → 20M
20:29 | 15:04/mi
21M
4:43:17
Rank: #26501 (+6)
20M → 21M
15:23 | 15:23/mi
35K· 21.75 mi
4:54:17
Rank: #26504 (-3)
21M → 35K
11:00 | 14:42/mi
23M
5:13:29
Rank: #26514 (-10)
35K → 23M
19:12 | 15:20/mi
24M
5:28:40
Rank: #26524 (-10)
23M → 24M
15:11 | 15:11/mi
40K· 24.85 mi
5:42:27
Rank: #26535 (-11)
24M → 40K
13:47 | 16:07/mi
25.2M
5:48:11
Rank: #26537 (-2)
40K → 25.2M
5:44 | 16:38/mi
Finish· 26.22 mi
6:00:55
Rank: #26533 (+4)
25.2M → Finish
12:44 | 12:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:45:21
Pace12:37 /mi
2nd Half
Distance13.11 mi
Time3:15:34
Pace14:55 /mi
📊Positive Split: 18.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:0937:0211:5537:02
11:55
-
10K
6.21 mi12:34:091:16:0212:1439:00
12:33
+0:38
15K
9.32 mi13:12:261:54:1912:1638:17
12:19
-0:14
20K
12.43 mi13:54:202:36:1312:3441:54
13:29
+1:10
Half
13.11 mi14:03:282:45:2112:379:08
13:23
-0:06
25K
15.53 mi14:38:083:20:0112:5334:40
14:18
+0:55
30K
18.64 mi15:25:324:07:2513:1647:24
15:15
+0:57
20M
20.00 mi15:46:014:27:5413:2420:29
15:04
-0:11
21M
21.00 mi16:01:244:43:1713:2915:23
15:23
+0:19
35K
21.75 mi16:12:244:54:1713:3211:00
14:42
-0:41
23M
23.00 mi16:31:365:13:2913:3819:12
15:20
+0:38
24M
24.00 mi16:46:475:28:4013:4215:11
15:11
-0:09
40K
24.85 mi17:00:345:42:2713:4713:47
16:07
+0:56
25.2M
25.20 mi17:06:185:48:1113:495:44
16:38
+0:31
Finish
26.22 mi17:19:026:00:5513:4712:44
12:30
-4:08

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

11:55 /mi

Average Pace

13:47 /mi

Slowest Pace

16:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:05

49% of race

Time at Steady Pace

2:43:19

45% of race

Time at Slower Pace

19:31

5% of race

Average Pace: 13:46 /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 mi11:55:0937:0211:5537:02
11:55
#26407
10K
6.21 mi12:34:091:16:0212:1439:00
12:33
#26463
15K
9.32 mi13:12:261:54:1912:1638:17
12:19
#26409
20K
12.43 mi13:54:202:36:1312:3441:54
13:29
#26437
Half
13.11 mi14:03:282:45:2112:379:08
13:23
#26444
25K
15.53 mi14:38:083:20:0112:5334:40
14:18
#26460
30K
18.64 mi15:25:324:07:2513:1647:24
15:15
#26502
20M
20.00 mi15:46:014:27:5413:2420:29
15:04
#26507
21M
21.00 mi16:01:244:43:1713:2915:23
15:23
#26501
35K
21.75 mi16:12:244:54:1713:3211:00
14:42
#26504
23M
23.00 mi16:31:365:13:2913:3819:12
15:20
#26514
24M
24.00 mi16:46:475:28:4013:4215:11
15:11
#26524
40K
24.85 mi17:00:345:42:2713:4713:47
16:07
#26535
25.2M
25.20 mi17:06:185:48:1113:495:44
16:38
#26537
Finish
26.22 mi17:19:026:00:5513:4712:44
12:30
#26533
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26407112971129726240(Top 99%)11195(Top 98%)11195(Top 229%)
10K6.21 mi3.10 mi26463-5611335-3811335-3826486(Top 99%)11354(Top 99%)11354(Top 232%)
15K9.32 mi3.11 mi26409+5411299+3611299+3626240(Top 99%)11195(Top 98%)11195(Top 229%)
20K12.43 mi3.11 mi26437-2811317-1811317-1826415(Top 99%)11306(Top 99%)11306(Top 231%)
Half13.11 mi0.68 mi26444-711323-611323-626448(Top 99%)11336(Top 99%)11336(Top 232%)
25K15.53 mi2.42 mi26460-1611334-1111334-1126436(Top 99%)11327(Top 99%)11327(Top 232%)
30K18.64 mi3.11 mi26502-4211360-2611360-2626486(Top 99%)11351(Top 99%)11351(Top 232%)
20M20.00 mi1.36 mi26507-511362-211362-226319(Top 99%)11291(Top 99%)11291(Top 231%)
21M21.00 mi1.00 mi26501+611358+411358+425954(Top 97%)11086(Top 97%)11086(Top 227%)
35K21.75 mi0.75 mi26504-311361-311361-326360(Top 99%)11311(Top 99%)11311(Top 232%)
23M23.00 mi1.25 mi26514-1011365-411365-426368(Top 99%)11315(Top 99%)11315(Top 232%)
24M24.00 mi1.00 mi26524-1011372-711372-726432(Top 99%)11350(Top 99%)11350(Top 232%)
40K24.85 mi0.85 mi26535-1111379-711379-726444(Top 99%)11357(Top 99%)11357(Top 233%)
25.2M25.20 mi0.35 mi26537-211381-211381-226295(Top 99%)11301(Top 99%)11301(Top 231%)
Finish26.22 mi1.02 mi26533+411380+111380+125691(Top 97%)11027(Top 97%)11027(Top 226%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21stories
+97ft-345ft

Overall

26240

Females

11195

F18-39

11195

5K→10K

3.1 - 6.2 mi

Top 99%
×5stories
+79ft-138ft

Overall

26486

Females

11354

F18-39

11354

10K→15K

6.2 - 9.3 mi

Top 99%
×3stories
+67ft-78ft

Overall

26240

Females

11195

F18-39

11195

15K→20K

9.3 - 12.4 mi

Top 99%
×5stories
+106ft-86ft

Overall

26415

Females

11306

F18-39

11306

20K→Half

12.4 - 13.1 mi

Top 99%
×2stories
+19ft-37ft

Overall

26448

Females

11336

F18-39

11336

Half→25K

13.1 - 15.5 mi

Top 99%
×4stories
+66ft-88ft

Overall

26436

Females

11327

F18-39

11327

25K→30K

15.5 - 18.6 mi

Top 99%
×9stories
+181ft-148ft

Overall

26486

Females

11351

F18-39

11351

30K→20M

18.6 - 20.0 mi

Top 99%
×5stories
+64ft-50ft

Overall

26319

Females

11291

F18-39

11291

20M→21M

20.0 - 21.0 mi

Top 97%
×8stories
+106ft-24ft

Overall

25954

Females

11086

F18-39

11086

21M→35K

21.0 - 21.8 mi

Top 99%
×7stories
+17ft-86ft

Overall

26360

Females

11311

F18-39

11311

35K→23M

21.8 - 23.0 mi

Top 99%
×5stories
+23ft-63ft

Overall

26368

Females

11315

F18-39

11315

23M→24M

23.0 - 24.0 mi

Top 99%
×6stories
+12ft-82ft

Overall

26432

Females

11350

F18-39

11350

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

26444

Females

11357

F18-39

11357

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

26295

Females

11301

F18-39

11301

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2stories
+22ft-21ft

Overall

25691

Females

11027

F18-39

11027

Passing Analysis

Category:
Athletes Passed
150
Passed By
276
Net Change
-126
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26407
5K → 10K1975-56#26407#26463
10K → 15K606+54#26463#26409
15K → 20K2048-28#26409#26437
20K → Half310-7#26437#26444
Half → 25K1127-16#26444#26460
25K → 30K446-42#26460#26502
30K → 20M813-5#26502#26507
20M → 21M93+6#26507#26501
21M → 35K36-3#26501#26504
35K → 23M313-10#26504#26514
23M → 24M212-10#26514#26524
24M → 40K011-11#26524#26535
40K → 25.2M02-2#26535#26537
25.2M → Finish84+4#26537#26533
TOTALS150276-126
📊

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