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BOSTON MARATHON 2023

Brittany Broderick

Bib: 25437•F

NY

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
27:54
Rank: #20366
Start → 5K
27:54 | 8:59/mi
10K· 6.21 mi
57:45
Rank: #21711 (-1345)
5K → 10K
29:51 | 9:36/mi
15K· 9.32 mi
1:26:53
Rank: #21746 (-35)
10K → 15K
29:08 | 9:23/mi
20K· 12.43 mi
1:56:05
Rank: #21648 (+98)
15K → 20K
29:12 | 9:24/mi
Half· 13.11 mi
2:02:15
Rank: #21586 (+62)
20K → Half
6:10 | 9:02/mi
25K· 15.53 mi
2:24:55
Rank: #21373 (+213)
Half → 25K
22:40 | 9:21/mi
30K· 18.64 mi
2:55:21
Rank: #21195 (+178)
25K → 30K
30:26 | 9:48/mi
20M
3:08:51
Rank: #21099 (+96)
30K → 20M
13:30 | 9:56/mi
21M
3:19:23
Rank: #21000 (+99)
20M → 21M
10:32 | 10:32/mi
35K· 21.75 mi
3:26:59
Rank: #21030 (-30)
21M → 35K
7:36 | 10:10/mi
23M
3:40:10
Rank: #21034 (-4)
35K → 23M
13:11 | 10:32/mi
24M
3:50:20
Rank: #21040 (-6)
23M → 24M
10:10 | 10:10/mi
40K· 24.85 mi
3:59:06
Rank: #21019 (+21)
24M → 40K
8:46 | 10:15/mi
25.2M
4:02:55
Rank: #21010 (+9)
40K → 25.2M
3:49 | 11:04/mi
Finish· 26.22 mi
4:12:51
Rank: #21007 (+3)
25.2M → Finish
9:56 | 9:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:15
Pace9:20 /mi
2nd Half
Distance13.11 mi
Time2:10:36
Pace9:58 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:1927:548:5927:54
8:59
-
10K
6.21 mi12:13:1057:459:1829:51
9:36
+0:37
15K
9.32 mi12:42:181:26:539:1929:08
9:23
-0:13
20K
12.43 mi13:11:301:56:059:2029:12
9:24
+0:01
Half
13.11 mi13:17:402:02:159:206:10
9:02
-0:22
25K
15.53 mi13:40:202:24:559:2022:40
9:21
+0:19
30K
18.64 mi14:10:462:55:219:2430:26
9:48
+0:27
20M
20.00 mi14:24:163:08:519:2713:30
9:56
+0:08
21M
21.00 mi14:34:483:19:239:3010:32
10:32
+0:36
35K
21.75 mi14:42:243:26:599:317:36
10:10
-0:22
23M
23.00 mi14:55:353:40:109:3413:11
10:32
+0:22
24M
24.00 mi15:05:453:50:209:3610:10
10:10
-0:22
40K
24.85 mi15:14:313:59:069:378:46
10:15
+0:05
25.2M
25.20 mi15:18:204:02:559:383:49
11:04
+0:49
Finish
26.22 mi15:28:164:12:519:399:56
9:45
-1:19

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

8:59 /mi

Average Pace

9:39 /mi

Slowest Pace

11:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:04

46% of race

Time at Steady Pace

1:23:43

33% of race

Time at Slower Pace

54:04

21% of race

Average Pace: 9:39 /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 mi11:43:1927:548:5927:54
8:59
#20366
10K
6.21 mi12:13:1057:459:1829:51
9:36
#21711
15K
9.32 mi12:42:181:26:539:1929:08
9:23
#21746
20K
12.43 mi13:11:301:56:059:2029:12
9:24
#21648
Half
13.11 mi13:17:402:02:159:206:10
9:02
#21586
25K
15.53 mi13:40:202:24:559:2022:40
9:21
#21373
30K
18.64 mi14:10:462:55:219:2430:26
9:48
#21195
20M
20.00 mi14:24:163:08:519:2713:30
9:56
#21099
21M
21.00 mi14:34:483:19:239:3010:32
10:32
#21000
35K
21.75 mi14:42:243:26:599:317:36
10:10
#21030
23M
23.00 mi14:55:353:40:109:3413:11
10:32
#21034
24M
24.00 mi15:05:453:50:209:3610:10
10:10
#21040
40K
24.85 mi15:14:313:59:069:378:46
10:15
#21019
25.2M
25.20 mi15:18:204:02:559:383:49
11:04
#21010
Finish
26.22 mi15:28:164:12:519:399:56
9:45
#21007
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi203668036803621895(Top 82%)8730(Top 76%)8730(Top 179%)
10K6.21 mi3.10 mi21711-13458695-6598695-65922823(Top 86%)9244(Top 81%)9244(Top 189%)
15K9.32 mi3.11 mi21746-358697-28697-221895(Top 82%)8730(Top 76%)8730(Top 179%)
20K12.43 mi3.11 mi21648+988635+628635+6221247(Top 80%)8371(Top 73%)8371(Top 171%)
Half13.11 mi0.68 mi21586+628598+378598+3720636(Top 78%)8049(Top 70%)8049(Top 165%)
25K15.53 mi2.42 mi21373+2138475+1238475+12320362(Top 76%)7911(Top 69%)7911(Top 162%)
30K18.64 mi3.11 mi21195+1788392+838392+8320441(Top 77%)8019(Top 70%)8019(Top 164%)
20M20.00 mi1.36 mi21099+968357+358357+3520303(Top 76%)8027(Top 70%)8027(Top 164%)
21M21.00 mi1.00 mi21000+998310+478310+4719712(Top 74%)7777(Top 68%)7777(Top 159%)
35K21.75 mi0.75 mi21030-308345-358345-3521686(Top 81%)8872(Top 78%)8872(Top 182%)
23M23.00 mi1.25 mi21034-48351-68351-621393(Top 80%)8733(Top 76%)8733(Top 179%)
24M24.00 mi1.00 mi21040-68366-158366-1521244(Top 80%)8691(Top 76%)8691(Top 178%)
40K24.85 mi0.85 mi21019+218367-18367-120636(Top 78%)8408(Top 74%)8408(Top 172%)
25.2M25.20 mi0.35 mi21010+98370-38370-320631(Top 77%)8392(Top 73%)8392(Top 172%)
Finish26.22 mi1.02 mi21007+38379-98379-920987(Top 79%)8556(Top 75%)8556(Top 175%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

21895

Females

8730

F18-39

8730

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

22823

Females

9244

F18-39

9244

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

21895

Females

8730

F18-39

8730

15K→20K

9.3 - 12.4 mi

Top 80%
×5stories
+106ft-86ft

Overall

21247

Females

8371

F18-39

8371

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

20636

Females

8049

F18-39

8049

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

20362

Females

7911

F18-39

7911

25K→30K

15.5 - 18.6 mi

Top 77%
×9stories
+181ft-148ft

Overall

20441

Females

8019

F18-39

8019

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

20303

Females

8027

F18-39

8027

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

19712

Females

7777

F18-39

7777

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

21686

Females

8872

F18-39

8872

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

21393

Females

8733

F18-39

8733

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

21244

Females

8691

F18-39

8691

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20636

Females

8408

F18-39

8408

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

20631

Females

8392

F18-39

8392

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

20987

Females

8556

F18-39

8556

Passing Analysis

Category:
Athletes Passed
1366
Passed By
2007
Net Change
-641
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20366
5K → 10K181363-1345#20366#21711
10K → 15K145180-35#21711#21746
15K → 20K17173+98#21746#21648
20K → Half719+62#21648#21586
Half → 25K23421+213#21586#21373
25K → 30K23557+178#21373#21195
30K → 20M11216+96#21195#21099
20M → 21M12021+99#21099#21000
21M → 35K3161-30#21000#21030
35K → 23M6872-4#21030#21034
23M → 24M3945-6#21034#21040
24M → 40K4726+21#21040#21019
40K → 25.2M3021+9#21019#21010
25.2M → Finish4542+3#21010#21007
TOTALS13662007-641
📊

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