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BOSTON MARATHON 2023

Olivia Brackett

Bib: 13055•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 17%
Gender (Female)
#0 / 11423
Top 3%
Division (F18-39)
#0 / 4884
Top 5%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:53
Rank: #6526
Start → 5K
7:03/mi
21:53 split
10K· 6.21 mi
43:09
Rank: #6154 (+372)
5K → 10K
6:51/mi
21:16 split
15K· 9.32 mi
1:04:25
Rank: #5939 (+215)
10K → 15K
6:51/mi
21:16 split
20K· 12.43 mi
1:25:44
Rank: #5704 (+235)
15K → 20K
6:52/mi
21:19 split
Half· 13.11 mi
1:30:24
Rank: #5694 (+10)
20K → Half
6:50/mi
4:40 split
25K· 15.53 mi
1:47:02
Rank: #5516 (+178)
Half → 25K
6:52/mi
16:38 split
30K· 18.64 mi
2:08:37
Rank: #5179 (+337)
25K → 30K
6:57/mi
21:35 split
20M
2:18:07
Rank: #5035 (+144)
30K → 20M
6:59/mi
9:30 split
21M
2:25:29
Rank: #4941 (+94)
20M → 21M
7:22/mi
7:22 split
35K· 21.75 mi
2:30:41
Rank: #4930 (+11)
21M → 35K
6:57/mi
5:12 split
23M
2:39:36
Rank: #4848 (+82)
35K → 23M
7:07/mi
8:55 split
24M
2:46:34
Rank: #4808 (+40)
23M → 24M
6:58/mi
6:58 split
40K· 24.85 mi
2:52:34
Rank: #4732 (+76)
24M → 40K
7:01/mi
6:00 split
25.2M
2:55:03
Rank: #4677 (+55)
40K → 25.2M
7:12/mi
2:29 split
Finish· 26.22 mi
3:01:40
Rank: #4549 (+128)
25.2M → Finish
6:30/mi
6:37 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:30:24
Pace6:54 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:31:16
Pace6:58 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0421:537:0321:53
7:03
-
10K
6.21 mi11:11:2043:096:5721:16
6:51
-0:12
15K
9.32 mi11:32:361:04:256:5521:16
6:51
0:00
20K
12.43 mi11:53:551:25:446:5421:19
6:52
+0:01
Half
13.11 mi11:58:351:30:246:544:40
6:50
-0:02
25K
15.53 mi12:15:131:47:026:5316:38
6:52
+0:02
30K
18.64 mi12:36:482:08:376:5421:35
6:57
+0:05
20M
20.00 mi12:46:182:18:076:549:30
6:59
+0:02
21M
21.00 mi12:53:402:25:296:567:22
7:22
+0:23
35K
21.75 mi12:58:522:30:416:565:12
6:57
-0:25
23M
23.00 mi13:07:472:39:366:568:55
7:07
+0:10
24M
24.00 mi13:14:452:46:346:566:58
6:58
-0:09
40K
24.85 mi13:20:452:52:346:576:00
7:01
+0:03
25.2M
25.20 mi13:23:142:55:036:572:29
7:12
+0:11
Finish
26.22 mi13:29:513:01:406:566:37
6:30
-0:42

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

6:30 /mi

Average Pace

6:56 /mi

Slowest Pace

7:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:49

95% of race

Time at Steady Pace

9:51

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:56 /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 mi10:50:0421:537:0321:53
7:03
#6526
10K
6.21 mi11:11:2043:096:5721:16
6:51
#6154
15K
9.32 mi11:32:361:04:256:5521:16
6:51
#5939
20K
12.43 mi11:53:551:25:446:5421:19
6:52
#5704
Half
13.11 mi11:58:351:30:246:544:40
6:50
#5694
25K
15.53 mi12:15:131:47:026:5316:38
6:52
#5516
30K
18.64 mi12:36:482:08:376:5421:35
6:57
#5179
20M
20.00 mi12:46:182:18:076:549:30
6:59
#5035
21M
21.00 mi12:53:402:25:296:567:22
7:22
#4941
35K
21.75 mi12:58:522:30:416:565:12
6:57
#4930
23M
23.00 mi13:07:472:39:366:568:55
7:07
#4848
24M
24.00 mi13:14:452:46:346:566:58
6:58
#4808
40K
24.85 mi13:20:452:52:346:576:00
7:01
#4732
25.2M
25.20 mi13:23:142:55:036:572:29
7:12
#4677
Finish
26.22 mi13:29:513:01:406:566:37
6:30
#4549
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi65266106105537(Top 21%)432(Top 4%)432(Top 9%)
10K6.21 mi3.10 mi6154+372541+69541+695715(Top 21%)473(Top 4%)473(Top 10%)
15K9.32 mi3.11 mi5939+215502+39502+395537(Top 21%)432(Top 4%)432(Top 9%)
20K12.43 mi3.11 mi5704+235449+53449+535032(Top 19%)365(Top 3%)365(Top 7%)
Half13.11 mi0.68 mi5694+10446+3446+35667(Top 21%)442(Top 4%)442(Top 9%)
25K15.53 mi2.42 mi5516+178420+26420+264684(Top 18%)328(Top 3%)328(Top 7%)
30K18.64 mi3.11 mi5179+337380+40380+404007(Top 15%)261(Top 2%)261(Top 5%)
20M20.00 mi1.36 mi5035+144366+14366+144004(Top 15%)290(Top 3%)290(Top 6%)
21M21.00 mi1.00 mi4941+94355+11355+114008(Top 15%)314(Top 3%)314(Top 6%)
35K21.75 mi0.75 mi4930+11357-2357-25097(Top 19%)523(Top 5%)523(Top 11%)
23M23.00 mi1.25 mi4848+82349+8349+84421(Top 17%)391(Top 3%)391(Top 8%)
24M24.00 mi1.00 mi4808+40350-1350-14528(Top 17%)439(Top 4%)439(Top 9%)
40K24.85 mi0.85 mi4732+76342+8342+83960(Top 15%)398(Top 3%)398(Top 8%)
25.2M25.20 mi0.35 mi4677+55337+5337+52608(Top 10%)200(Top 2%)200(Top 4%)
Finish26.22 mi1.02 mi4549+128321+16321+162484(Top 9%)197(Top 2%)197(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5537

Females

432

F18-39

432

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5715

Females

473

F18-39

473

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5537

Females

432

F18-39

432

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

5032

Females

365

F18-39

365

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5667

Females

442

F18-39

442

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4684

Females

328

F18-39

328

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4007

Females

261

F18-39

261

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4004

Females

290

F18-39

290

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4008

Females

314

F18-39

314

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5097

Females

523

F18-39

523

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4421

Females

391

F18-39

391

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4528

Females

439

F18-39

439

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3960

Females

398

F18-39

398

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2608

Females

200

F18-39

200

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2484

Females

197

F18-39

197

Passing Analysis

Category:
Athletes Passed
2262
Passed By
285
Net Change
+1977
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6526
5K → 10K43967+372#6526#6154
10K → 15K25641+215#6154#5939
15K → 20K25217+235#5939#5704
20K → Half2212+10#5704#5694
Half → 25K18911+178#5694#5516
25K → 30K3469+337#5516#5179
30K → 20M15814+144#5179#5035
20M → 21M11521+94#5035#4941
21M → 35K3928+11#4941#4930
35K → 23M11432+82#4930#4848
23M → 24M6525+40#4848#4808
24M → 40K826+76#4808#4732
40K → 25.2M561+55#4732#4677
25.2M → Finish1291+128#4677#4549
TOTALS2262285+1977
📊

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