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BOSTON MARATHON 2023

Anna Booker

Bib: 22618•F

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:19/mi
25:50
↑ 97↓ 3451.5%
10K· 6.21 mi
8:43/mi
52:55
↑ 79↓ 1380.4%
15K· 9.32 mi
9:01/mi
1:20:56
↑ 67↓ 78
20K· 12.43 mi
9:16/mi
1:49:44
↑ 106↓ 860.1%
Half· 13.11 mi
9:05/mi
1:55:56
↑ 19↓ 370.5%
25K· 15.53 mi
9:39/mi
2:19:21
↑ 66↓ 880.2%
30K· 18.64 mi
10:20/mi
2:51:27
↑ 181↓ 1480.2%
20M
10:15/mi
3:05:23
↑ 64↓ 500.2%
21M
11:52/mi
3:17:15
↑ 106↓ 241.6%
35K· 21.75 mi
10:51/mi
3:25:22
↑ 17↓ 861.7%
23M
10:33/mi
3:38:35
↑ 23↓ 630.6%
24M
10:54/mi
3:49:29
↓ 821.3%
40K· 24.85 mi
11:02/mi
3:58:55
↓ 200.3%
25.2M
12:02/mi
4:03:04
↑ 13↓ 160.2%
Finish· 26.22 mi
10:46/mi
4:14:02
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:56
Pace8:51 /mi
2nd Half
Distance13.11 mi
Time2:18:06
Pace10:32 /mi
📊Positive Split: 19.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:2525:508:1925:50
8:19
-
10K
6.21 mi11:51:3052:558:3127:05
8:43
+0:24
15K
9.32 mi12:19:311:20:568:4128:01
9:01
+0:18
20K
12.43 mi12:48:191:49:448:5028:48
9:16
+0:15
Half
13.11 mi12:54:311:55:568:516:12
9:05
-0:11
25K
15.53 mi13:17:562:19:218:5823:25
9:39
+0:34
30K
18.64 mi13:50:022:51:279:1232:06
10:20
+0:41
20M
20.00 mi14:03:583:05:239:1613:56
10:15
-0:05
21M
21.00 mi14:15:503:17:159:2411:52
11:52
+1:37
35K
21.75 mi14:23:573:25:229:278:07
10:51
-1:01
23M
23.00 mi14:37:103:38:359:3013:13
10:33
-0:18
24M
24.00 mi14:48:043:49:299:3410:54
10:54
+0:21
40K
24.85 mi14:57:303:58:559:379:26
11:02
+0:08
25.2M
25.20 mi15:01:394:03:049:394:09
12:02
+1:00
Finish
26.22 mi15:12:374:14:029:4210:58
10:46
-1:16

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

8:19 /mi

Average Pace

9:42 /mi

Slowest Pace

12:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:21

55% of race

Time at Steady Pace

1:18:20

31% of race

Time at Slower Pace

36:21

14% of race

Average Pace: 9:41 /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 mi11:24:2525:508:1925:50
8:19
#16276
10K
6.21 mi11:51:3052:558:3127:05
8:43
#18002
15K
9.32 mi12:19:311:20:568:4128:01
9:01
#18957
20K
12.43 mi12:48:191:49:448:5028:48
9:16
#19482
Half
13.11 mi12:54:311:55:568:516:12
9:05
#19568
25K
15.53 mi13:17:562:19:218:5823:25
9:39
#19984
30K
18.64 mi13:50:022:51:279:1232:06
10:20
#20444
20M
20.00 mi14:03:583:05:239:1613:56
10:15
#20518
21M
21.00 mi14:15:503:17:159:2411:52
11:52
#20656
35K
21.75 mi14:23:573:25:229:278:07
10:51
#20780
23M
23.00 mi14:37:103:38:359:3013:13
10:33
#20818
24M
24.00 mi14:48:043:49:299:3410:54
10:54
#20923
40K
24.85 mi14:57:303:58:559:379:26
11:02
#20987
25.2M
25.20 mi15:01:394:03:049:394:09
12:02
#21036
Finish
26.22 mi15:12:374:14:029:4210:58
10:46
#21156
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi162765457545720589(Top 77%)8009(Top 70%)8009(Top 664%)
10K6.21 mi3.10 mi18002-17266538-10816538-108119534(Top 73%)7412(Top 65%)7412(Top 614%)
15K9.32 mi3.11 mi18957-9557106-5687106-56820589(Top 77%)8009(Top 70%)8009(Top 664%)
20K12.43 mi3.11 mi19482-5257419-3137419-31320870(Top 78%)8153(Top 71%)8153(Top 675%)
Half13.11 mi0.68 mi19568-867469-507469-5020823(Top 78%)8147(Top 71%)8147(Top 675%)
25K15.53 mi2.42 mi19984-4167703-2347703-23421329(Top 80%)8455(Top 74%)8455(Top 700%)
30K18.64 mi3.11 mi20444-4607979-2767979-27621848(Top 82%)8814(Top 77%)8814(Top 730%)
20M20.00 mi1.36 mi20518-748031-528031-5221154(Top 79%)8497(Top 74%)8497(Top 704%)
21M21.00 mi1.00 mi20656-1388112-818112-8122522(Top 85%)9289(Top 81%)9289(Top 770%)
35K21.75 mi0.75 mi20780-1248195-838195-8323022(Top 86%)9599(Top 84%)9599(Top 795%)
23M23.00 mi1.25 mi20818-388230-358230-3521457(Top 81%)8766(Top 77%)8766(Top 726%)
24M24.00 mi1.00 mi20923-1058303-738303-7322855(Top 86%)9552(Top 84%)9552(Top 791%)
40K24.85 mi0.85 mi20987-648346-438346-4322432(Top 84%)9357(Top 82%)9357(Top 775%)
25.2M25.20 mi0.35 mi21036-498387-418387-4122576(Top 85%)9436(Top 83%)9436(Top 782%)
Finish26.22 mi1.02 mi21156-1208455-688455-6823538(Top 88%)9924(Top 87%)9924(Top 822%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

20589

Females

8009

F50-54

8009

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

19534

Females

7412

F50-54

7412

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

20589

Females

8009

F50-54

8009

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

20870

Females

8153

F50-54

8153

20K→Half

12.4 - 13.1 mi

Top 78%
×2story building
+19ft-37ft

Overall

20823

Females

8147

F50-54

8147

Half→25K

13.1 - 15.5 mi

Top 80%
×4story building
+66ft-88ft

Overall

21329

Females

8455

F50-54

8455

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

21848

Females

8814

F50-54

8814

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

21154

Females

8497

F50-54

8497

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

22522

Females

9289

F50-54

9289

21M→35K

21.0 - 21.8 mi

Top 86%
×7story building
+17ft-86ft

Overall

23022

Females

9599

F50-54

9599

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

21457

Females

8766

F50-54

8766

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

22855

Females

9552

F50-54

9552

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

22432

Females

9357

F50-54

9357

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22576

Females

9436

F50-54

9436

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

23538

Females

9924

F50-54

9924

Passing Analysis

Category:
Athletes Passed
431
Passed By
5311
Net Change
-4880
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16276
5K → 10K261752-1726#16276#18002
10K → 15K18973-955#18002#18957
15K → 20K57582-525#18957#19482
20K → Half894-86#19482#19568
Half → 25K37453-416#19568#19984
25K → 30K51511-460#19984#20444
30K → 20M50124-74#20444#20518
20M → 21M40178-138#20518#20656
21M → 35K18142-124#20656#20780
35K → 23M5593-38#20780#20818
23M → 24M23128-105#20818#20923
24M → 40K1882-64#20923#20987
40K → 25.2M1463-49#20987#21036
25.2M → Finish16136-120#21036#21156
TOTALS4315311-4880
📊

Passing Visuals

Category:
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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