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BOSTON MARATHON 2023

Julie Booth

Bib: 23632•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Top 36%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:36
Rank: #19916
Start → 5K
27:36 | 8:53/mi
10K· 6.21 mi
55:05
Rank: #20015 (-99)
5K → 10K
27:29 | 8:51/mi
15K· 9.32 mi
1:22:39
Rank: #19966 (+49)
10K → 15K
27:34 | 8:52/mi
20K· 12.43 mi
1:50:12
Rank: #19687 (+279)
15K → 20K
27:33 | 8:52/mi
Half· 13.11 mi
1:56:10
Rank: #19666 (+21)
20K → Half
5:58 | 8:45/mi
25K· 15.53 mi
2:18:03
Rank: #19556 (+110)
Half → 25K
21:53 | 9:02/mi
30K· 18.64 mi
2:46:48
Rank: #19349 (+207)
25K → 30K
28:45 | 9:15/mi
20M
2:59:26
Rank: #19229 (+120)
30K → 20M
12:38 | 9:18/mi
21M
3:08:58
Rank: #19052 (+177)
20M → 21M
9:32 | 9:32/mi
35K· 21.75 mi
3:15:35
Rank: #18975 (+77)
21M → 35K
6:37 | 8:51/mi
23M
3:27:09
Rank: #18869 (+106)
35K → 23M
11:34 | 9:14/mi
24M
3:35:52
Rank: #18721 (+148)
23M → 24M
8:43 | 8:43/mi
40K· 24.85 mi
3:43:29
Rank: #18615 (+106)
24M → 40K
7:37 | 8:54/mi
25.2M
3:46:49
Rank: #18571 (+44)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:55:48
Rank: #18517 (+54)
25.2M → Finish
8:59 | 8:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:10
Pace8:52 /mi
2nd Half
Distance13.11 mi
Time1:59:38
Pace9:08 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:5727:368:5327:36
8:53
-
10K
6.21 mi11:50:2655:058:5227:29
8:51
-0:02
15K
9.32 mi12:18:001:22:398:5227:34
8:52
+0:01
20K
12.43 mi12:45:331:50:128:5227:33
8:52
0:00
Half
13.11 mi12:51:311:56:108:525:58
8:45
-0:07
25K
15.53 mi13:13:242:18:038:5321:53
9:02
+0:17
30K
18.64 mi13:42:092:46:488:5728:45
9:15
+0:13
20M
20.00 mi13:54:472:59:268:5812:38
9:18
+0:03
21M
21.00 mi14:04:193:08:589:009:32
9:32
+0:14
35K
21.75 mi14:10:563:15:359:006:37
8:51
-0:41
23M
23.00 mi14:22:303:27:099:0011:34
9:14
+0:23
24M
24.00 mi14:31:133:35:529:008:43
8:43
-0:31
40K
24.85 mi14:38:503:43:298:597:37
8:54
+0:11
25.2M
25.20 mi14:42:103:46:499:003:20
9:40
+0:46
Finish
26.22 mi14:51:093:55:489:008:59
8:49
-0:51

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

8:43 /mi

Average Pace

9:00 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:52:28

99% of race

Time at Steady Pace

3:20

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:00 /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 mi11:22:5727:368:5327:36
8:53
#19916
10K
6.21 mi11:50:2655:058:5227:29
8:51
#20015
15K
9.32 mi12:18:001:22:398:5227:34
8:52
#19966
20K
12.43 mi12:45:331:50:128:5227:33
8:52
#19687
Half
13.11 mi12:51:311:56:108:525:58
8:45
#19666
25K
15.53 mi13:13:242:18:038:5321:53
9:02
#19556
30K
18.64 mi13:42:092:46:488:5728:45
9:15
#19349
20M
20.00 mi13:54:472:59:268:5812:38
9:18
#19229
21M
21.00 mi14:04:193:08:589:009:32
9:32
#19052
35K
21.75 mi14:10:563:15:359:006:37
8:51
#18975
23M
23.00 mi14:22:303:27:099:0011:34
9:14
#18869
24M
24.00 mi14:31:133:35:529:008:43
8:43
#18721
40K
24.85 mi14:38:503:43:298:597:37
8:54
#18615
25.2M
25.20 mi14:42:103:46:499:003:20
9:40
#18571
Finish
26.22 mi14:51:093:55:489:008:59
8:49
#18517
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi199167755775519922(Top 75%)7639(Top 67%)7639(Top 937%)
10K6.21 mi3.10 mi20015-997773-187773-1820166(Top 76%)7796(Top 68%)7796(Top 957%)
15K9.32 mi3.11 mi19966+497716+577716+5719922(Top 75%)7639(Top 67%)7639(Top 937%)
20K12.43 mi3.11 mi19687+2797538+1787538+17819055(Top 72%)7120(Top 62%)7120(Top 874%)
Half13.11 mi0.68 mi19666+217519+197519+1919222(Top 72%)7213(Top 63%)7213(Top 885%)
25K15.53 mi2.42 mi19556+1107456+637456+6319094(Top 72%)7181(Top 63%)7181(Top 881%)
30K18.64 mi3.11 mi19349+2077347+1097347+10918425(Top 69%)6880(Top 60%)6880(Top 844%)
20M20.00 mi1.36 mi19229+1207284+637284+6318023(Top 68%)6756(Top 59%)6756(Top 829%)
21M21.00 mi1.00 mi19052+1777199+857199+8516154(Top 61%)5721(Top 50%)5721(Top 702%)
35K21.75 mi0.75 mi18975+777163+367163+3617220(Top 65%)6405(Top 56%)6405(Top 786%)
23M23.00 mi1.25 mi18869+1067115+487115+4817258(Top 65%)6434(Top 56%)6434(Top 789%)
24M24.00 mi1.00 mi18721+1487038+777038+7715797(Top 59%)5710(Top 50%)5710(Top 701%)
40K24.85 mi0.85 mi18615+1066988+506988+5015699(Top 59%)5691(Top 50%)5691(Top 698%)
25.2M25.20 mi0.35 mi18571+446967+216967+2116043(Top 60%)5907(Top 52%)5907(Top 725%)
Finish26.22 mi1.02 mi18517+546946+216946+2117151(Top 64%)6466(Top 57%)6466(Top 793%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

19922

Females

7639

F55-59

7639

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

20166

Females

7796

F55-59

7796

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

19922

Females

7639

F55-59

7639

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

19055

Females

7120

F55-59

7120

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

19222

Females

7213

F55-59

7213

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

19094

Females

7181

F55-59

7181

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

18425

Females

6880

F55-59

6880

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

18023

Females

6756

F55-59

6756

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

16154

Females

5721

F55-59

5721

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

17220

Females

6405

F55-59

6405

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

17258

Females

6434

F55-59

6434

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

15797

Females

5710

F55-59

5710

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15699

Females

5691

F55-59

5691

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

16043

Females

5907

F55-59

5907

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

17151

Females

6466

F55-59

6466

Passing Analysis

Category:
Athletes Passed
2240
Passed By
841
Net Change
+1399
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19916
5K → 10K250349-99#19916#20015
10K → 15K215166+49#20015#19966
15K → 20K33657+279#19966#19687
20K → Half4524+21#19687#19666
Half → 25K16959+110#19666#19556
25K → 30K27265+207#19556#19349
30K → 20M14222+120#19349#19229
20M → 21M19013+177#19229#19052
21M → 35K869+77#19052#18975
35K → 23M12923+106#18975#18869
23M → 24M1579+148#18869#18721
24M → 40K1115+106#18721#18615
40K → 25.2M5612+44#18615#18571
25.2M → Finish8228+54#18571#18517
TOTALS2240841+1399
📊

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