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BOSTON MARATHON 2023

Claire Perreault

Bib: 13922•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 32%
Gender (Female)
#0 / 11423
Top 12%
Division (F18-39)
#0 / 4884
Top 23%
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
7:34/mi
23:30
↑ 97↓ 3451.5%
10K· 6.21 mi
7:40/mi
47:18
↑ 79↓ 1380.4%
15K· 9.32 mi
7:37/mi
1:10:58
↑ 67↓ 78
20K· 12.43 mi
7:39/mi
1:34:44
↑ 106↓ 860.1%
Half· 13.11 mi
7:23/mi
1:39:46
↑ 19↓ 370.5%
25K· 15.53 mi
7:36/mi
1:58:11
↑ 66↓ 880.2%
30K· 18.64 mi
7:38/mi
2:21:54
↑ 181↓ 1480.2%
20M
7:29/mi
2:32:04
↑ 64↓ 500.2%
21M
7:40/mi
2:39:44
↑ 106↓ 241.6%
35K· 21.75 mi
7:06/mi
2:45:03
↑ 17↓ 861.7%
23M
7:23/mi
2:54:18
↑ 23↓ 630.6%
24M
7:12/mi
3:01:30
↓ 821.3%
40K· 24.85 mi
7:21/mi
3:07:47
↓ 200.3%
25.2M
7:44/mi
3:10:27
↑ 13↓ 160.2%
Finish· 26.22 mi
6:51/mi
3:17:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:39:46
Pace7:37 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:37:40
Pace7:27 /mi
📊Negative Split: 2.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2523:307:3423:30
7:34
-
10K
6.21 mi11:16:1347:187:3723:48
7:40
+0:06
15K
9.32 mi11:39:531:10:587:3723:40
7:37
-0:03
20K
12.43 mi12:03:391:34:447:3723:46
7:39
+0:02
Half
13.11 mi12:08:411:39:467:375:02
7:23
-0:16
25K
15.53 mi12:27:061:58:117:3618:25
7:36
+0:13
30K
18.64 mi12:50:492:21:547:3723:43
7:38
+0:02
20M
20.00 mi13:00:592:32:047:3610:10
7:29
-0:09
21M
21.00 mi13:08:392:39:447:367:40
7:40
+0:11
35K
21.75 mi13:13:582:45:037:355:19
7:06
-0:34
23M
23.00 mi13:23:132:54:187:359:15
7:23
+0:17
24M
24.00 mi13:30:253:01:307:347:12
7:12
-0:11
40K
24.85 mi13:36:423:07:477:336:17
7:21
+0:09
25.2M
25.20 mi13:39:223:10:277:332:40
7:44
+0:23
Finish
26.22 mi13:46:213:17:267:326:59
6:51
-0:53

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

6:51 /mi

Average Pace

7:32 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

50:14

25% of race

Time at Steady Pace

2:27:12

75% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:32 /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 mi10:52:2523:307:3423:30
7:34
#10213
10K
6.21 mi11:16:1347:187:3723:48
7:40
#11018
15K
9.32 mi11:39:531:10:587:3723:40
7:37
#11053
20K
12.43 mi12:03:391:34:447:3723:46
7:39
#10906
Half
13.11 mi12:08:411:39:467:375:02
7:23
#10815
25K
15.53 mi12:27:061:58:117:3618:25
7:36
#10551
30K
18.64 mi12:50:492:21:547:3723:43
7:38
#10067
20M
20.00 mi13:00:592:32:047:3610:10
7:29
#9766
21M
21.00 mi13:08:392:39:447:367:40
7:40
#9486
35K
21.75 mi13:13:582:45:037:355:19
7:06
#9312
23M
23.00 mi13:23:132:54:187:359:15
7:23
#9063
24M
24.00 mi13:30:253:01:307:347:12
7:12
#8871
40K
24.85 mi13:36:423:07:477:336:17
7:21
#8736
25.2M
25.20 mi13:39:223:10:277:332:40
7:44
#8673
Finish
26.22 mi13:46:213:17:267:326:59
6:51
#8441
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi102131956195611165(Top 42%)2433(Top 21%)2433(Top 50%)
10K6.21 mi3.10 mi11018-8052335-3792335-37911887(Top 45%)2794(Top 24%)2794(Top 57%)
15K9.32 mi3.11 mi11053-352357-222357-2211165(Top 42%)2433(Top 21%)2433(Top 50%)
20K12.43 mi3.11 mi10906+1472288+692288+6910511(Top 39%)2143(Top 19%)2143(Top 44%)
Half13.11 mi0.68 mi10815+912251+372251+379285(Top 35%)1577(Top 14%)1577(Top 32%)
25K15.53 mi2.42 mi10551+2642118+1332118+1339513(Top 36%)1780(Top 16%)1780(Top 36%)
30K18.64 mi3.11 mi10067+4841921+1971921+1978202(Top 31%)1388(Top 12%)1388(Top 28%)
20M20.00 mi1.36 mi9766+3011815+1061815+1066704(Top 25%)930(Top 8%)930(Top 19%)
21M21.00 mi1.00 mi9486+2801727+881727+885484(Top 21%)666(Top 6%)666(Top 14%)
35K21.75 mi0.75 mi9312+1741678+491678+496010(Top 23%)780(Top 7%)780(Top 16%)
23M23.00 mi1.25 mi9063+2491593+851593+855827(Top 22%)768(Top 7%)768(Top 16%)
24M24.00 mi1.00 mi8871+1921549+441549+445784(Top 22%)825(Top 7%)825(Top 17%)
40K24.85 mi0.85 mi8736+1351511+381511+385798(Top 22%)915(Top 8%)915(Top 19%)
25.2M25.20 mi0.35 mi8673+631489+221489+225144(Top 19%)789(Top 7%)789(Top 16%)
Finish26.22 mi1.02 mi8441+2321418+711418+714401(Top 17%)558(Top 5%)558(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

11165

Females

2433

F18-39

2433

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

11887

Females

2794

F18-39

2794

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

11165

Females

2433

F18-39

2433

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

10511

Females

2143

F18-39

2143

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9285

Females

1577

F18-39

1577

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

9513

Females

1780

F18-39

1780

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8202

Females

1388

F18-39

1388

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

6704

Females

930

F18-39

930

20M→21M

20.0 - 21.0 mi

Top 21%
×8story building
+106ft-24ft

Overall

5484

Females

666

F18-39

666

21M→35K

21.0 - 21.8 mi

Top 23%
×7story building
+17ft-86ft

Overall

6010

Females

780

F18-39

780

35K→23M

21.8 - 23.0 mi

Top 22%
×5story building
+23ft-63ft

Overall

5827

Females

768

F18-39

768

23M→24M

23.0 - 24.0 mi

Top 22%
×6story building
+12ft-82ft

Overall

5784

Females

825

F18-39

825

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5798

Females

915

F18-39

915

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5144

Females

789

F18-39

789

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4401

Females

558

F18-39

558

Passing Analysis

Category:
Athletes Passed
2986*
Passed By
1214
Net Change
+1772
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10213
5K → 10K66871-805#10213#11018
10K → 15K168203-35#11018#11053
15K → 20K23285+147#11053#10906
20K → Half954+91#10906#10815
Half → 25K28319+264#10815#10551
25K → 30K495*11+484#10551#10067
30K → 20M301*0+301#10067#9766
20M → 21M2800+280#9766#9486
21M → 35K1751+174#9486#9312
35K → 23M2523+249#9312#9063
23M → 24M1997+192#9063#8871
24M → 40K1416+135#8871#8736
40K → 25.2M674+63#8736#8673
25.2M → Finish2320+232#8673#8441
TOTALS2986*1214+1772

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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