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BOSTON MARATHON 2023

Sabrina Cornet

Bib: 9129•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 34%
Gender (Female)
#0 / 11423
Top 15%
Masters (Masters Women)
#0 / 6539
Top 6%
Division (F40-44)
#0 / 1878
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:34
Rank: #5894
Start → 5K
21:34 | 6:56/mi
10K· 6.21 mi
43:15
Rank: #6288 (-394)
5K → 10K
21:41 | 6:59/mi
15K· 9.32 mi
1:05:13
Rank: #6505 (-217)
10K → 15K
21:58 | 7:04/mi
20K· 12.43 mi
1:27:26
Rank: #6550 (-45)
15K → 20K
22:13 | 7:09/mi
Half· 13.11 mi
1:32:18
Rank: #6600 (-50)
20K → Half
4:52 | 7:08/mi
25K· 15.53 mi
1:49:56
Rank: #6652 (-52)
Half → 25K
17:38 | 7:16/mi
30K· 18.64 mi
2:14:00
Rank: #6930 (-278)
25K → 30K
24:04 | 7:45/mi
20M
2:24:58
Rank: #7109 (-179)
30K → 20M
10:58 | 8:04/mi
21M
2:33:57
Rank: #7400 (-291)
20M → 21M
8:59 | 8:59/mi
35K· 21.75 mi
2:40:21
Rank: #7652 (-252)
21M → 35K
6:24 | 8:33/mi
23M
2:51:41
Rank: #8179 (-527)
35K → 23M
11:20 | 9:03/mi
24M
3:00:19
Rank: #8501 (-322)
23M → 24M
8:38 | 8:38/mi
40K· 24.85 mi
3:07:54
Rank: #8776 (-275)
24M → 40K
7:35 | 8:52/mi
25.2M
3:11:07
Rank: #8853 (-77)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:19:51
Rank: #9152 (-299)
25.2M → Finish
8:44 | 8:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:18
Pace7:02 /mi
2nd Half
Distance13.11 mi
Time1:47:33
Pace8:12 /mi
📊Positive Split: 16.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1221:346:5621:34
6:56
-
10K
6.21 mi11:08:5343:156:5821:41
6:59
+0:03
15K
9.32 mi11:30:511:05:137:0021:58
7:04
+0:05
20K
12.43 mi11:53:041:27:267:0222:13
7:09
+0:05
Half
13.11 mi11:57:561:32:187:024:52
7:08
-0:01
25K
15.53 mi12:15:341:49:567:0517:38
7:16
+0:08
30K
18.64 mi12:39:382:14:007:1124:04
7:45
+0:29
20M
20.00 mi12:50:362:24:587:1510:58
8:04
+0:19
21M
21.00 mi12:59:352:33:577:208:59
8:59
+0:55
35K
21.75 mi13:05:592:40:217:226:24
8:33
-0:26
23M
23.00 mi13:17:192:51:417:2811:20
9:03
+0:30
24M
24.00 mi13:25:573:00:197:318:38
8:38
-0:25
40K
24.85 mi13:33:323:07:547:347:35
8:52
+0:14
25.2M
25.20 mi13:36:453:11:077:353:13
9:20
+0:28
Finish
26.22 mi13:45:293:19:517:388:44
8:34
-0:46

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

6:56 /mi

Average Pace

7:38 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:56

55% of race

Time at Steady Pace

35:02

18% of race

Time at Slower Pace

54:53

27% of race

Average Pace: 7:37 /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 mi10:47:1221:346:5621:34
6:56
#5894
10K
6.21 mi11:08:5343:156:5821:41
6:59
#6288
15K
9.32 mi11:30:511:05:137:0021:58
7:04
#6505
20K
12.43 mi11:53:041:27:267:0222:13
7:09
#6550
Half
13.11 mi11:57:561:32:187:024:52
7:08
#6600
25K
15.53 mi12:15:341:49:567:0517:38
7:16
#6652
30K
18.64 mi12:39:382:14:007:1124:04
7:45
#6930
20M
20.00 mi12:50:362:24:587:1510:58
8:04
#7109
21M
21.00 mi12:59:352:33:577:208:59
8:59
#7400
35K
21.75 mi13:05:592:40:217:226:24
8:33
#7652
23M
23.00 mi13:17:192:51:417:2811:20
9:03
#8179
24M
24.00 mi13:25:573:00:197:318:38
8:38
#8501
40K
24.85 mi13:33:323:07:547:347:35
8:52
#8776
25.2M
25.20 mi13:36:453:11:077:353:13
9:20
#8853
Finish
26.22 mi13:45:293:19:517:388:44
8:34
#9152
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi58944864866987(Top 26%)746(Top 7%)746(Top 40%)
10K6.21 mi3.10 mi6288-394578-92578-926695(Top 25%)679(Top 6%)679(Top 36%)
15K9.32 mi3.11 mi6505-217625-47625-476987(Top 26%)746(Top 7%)746(Top 40%)
20K12.43 mi3.11 mi6550-45642-17642-176828(Top 26%)738(Top 6%)738(Top 39%)
Half13.11 mi0.68 mi6600-50661-19661-197471(Top 28%)928(Top 8%)928(Top 49%)
25K15.53 mi2.42 mi6652-52676-15676-157137(Top 27%)888(Top 8%)888(Top 47%)
30K18.64 mi3.11 mi6930-278764-88764-888981(Top 34%)1700(Top 15%)1700(Top 91%)
20M20.00 mi1.36 mi7109-179813-49813-4910803(Top 41%)2631(Top 23%)2631(Top 140%)
21M21.00 mi1.00 mi7400-291944-131944-13113317(Top 50%)4104(Top 36%)4104(Top 219%)
35K21.75 mi0.75 mi7652-2521027-831027-8315595(Top 59%)5454(Top 48%)5454(Top 290%)
23M23.00 mi1.25 mi8179-5271252-2251252-22516312(Top 61%)5912(Top 52%)5912(Top 315%)
24M24.00 mi1.00 mi8501-3221392-1401392-14015262(Top 57%)5374(Top 47%)5374(Top 286%)
40K24.85 mi0.85 mi8776-2751529-1371529-13715457(Top 58%)5551(Top 49%)5551(Top 296%)
25.2M25.20 mi0.35 mi8853-771569-401569-4014321(Top 54%)4891(Top 43%)4891(Top 260%)
Finish26.22 mi1.02 mi9152-2991715-1461715-14615821(Top 59%)5700(Top 50%)5700(Top 304%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

6987

Females

746

F40-44

746

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

6695

Females

679

F40-44

679

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

6987

Females

746

F40-44

746

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

6828

Females

738

F40-44

738

20K→Half

12.4 - 13.1 mi

Top 28%
×2stories
+19ft-37ft

Overall

7471

Females

928

F40-44

928

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7137

Females

888

F40-44

888

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

8981

Females

1700

F40-44

1700

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

10803

Females

2631

F40-44

2631

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

13317

Females

4104

F40-44

4104

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

15595

Females

5454

F40-44

5454

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

16312

Females

5912

F40-44

5912

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

15262

Females

5374

F40-44

5374

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15457

Females

5551

F40-44

5551

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14321

Females

4891

F40-44

4891

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

15821

Females

5700

F40-44

5700

Passing Analysis

Category:
Athletes Passed
428
Passed By
3686
Net Change
-3258
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5894
5K → 10K66460-394#5894#6288
10K → 15K52269-217#6288#6505
15K → 20K92137-45#6505#6550
20K → Half656-50#6550#6600
Half → 25K59111-52#6600#6652
25K → 30K48326-278#6652#6930
30K → 20M15194-179#6930#7109
20M → 21M17308-291#7109#7400
21M → 35K7259-252#7400#7652
35K → 23M14541-527#7652#8179
23M → 24M17339-322#8179#8501
24M → 40K14289-275#8501#8776
40K → 25.2M1390-77#8776#8853
25.2M → Finish8307-299#8853#9152
TOTALS4283686-3258
📊

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