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BOSTON MARATHON 2023

Alexis Carroll

Bib: 8267•F

MI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 27%
Gender (Female)
#0 / 11423
Top 9%
Division (F18-39)
#0 / 4884
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:45
Rank: #6266
Start → 5K
21:45 | 7:00/mi
10K· 6.21 mi
43:09
Rank: #6159 (+107)
5K → 10K
21:24 | 6:53/mi
15K· 9.32 mi
1:04:44
Rank: #6165 (-6)
10K → 15K
21:35 | 6:57/mi
20K· 12.43 mi
1:26:58
Rank: #6343 (-178)
15K → 20K
22:14 | 7:09/mi
Half· 13.11 mi
1:31:55
Rank: #6427 (-84)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:49:21
Rank: #6447 (-20)
Half → 25K
17:26 | 7:11/mi
30K· 18.64 mi
2:12:59
Rank: #6594 (-147)
25K → 30K
23:38 | 7:36/mi
20M
2:22:59
Rank: #6512 (+82)
30K → 20M
10:00 | 7:22/mi
21M
2:30:59
Rank: #6522 (-10)
20M → 21M
8:00 | 8:00/mi
35K· 21.75 mi
2:36:52
Rank: #6635 (-113)
21M → 35K
5:53 | 7:52/mi
23M
2:46:52
Rank: #6727 (-92)
35K → 23M
10:00 | 7:59/mi
24M
2:55:01
Rank: #6892 (-165)
23M → 24M
8:09 | 8:09/mi
40K· 24.85 mi
3:02:02
Rank: #7017 (-125)
24M → 40K
7:01 | 8:12/mi
25.2M
3:05:05
Rank: #7066 (-49)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:13:18
Rank: #7246 (-180)
25.2M → Finish
8:13 | 8:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:55
Pace7:01 /mi
2nd Half
Distance13.11 mi
Time1:41:23
Pace7:44 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:4121:457:0021:45
7:00
-
10K
6.21 mi11:09:0543:096:5721:24
6:53
-0:07
15K
9.32 mi11:30:401:04:446:5721:35
6:57
+0:04
20K
12.43 mi11:52:541:26:587:0022:14
7:09
+0:12
Half
13.11 mi11:57:511:31:557:014:57
7:15
+0:06
25K
15.53 mi12:15:171:49:217:0217:26
7:11
-0:04
30K
18.64 mi12:38:552:12:597:0823:38
7:36
+0:25
20M
20.00 mi12:48:552:22:597:0910:00
7:22
-0:14
21M
21.00 mi12:56:552:30:597:118:00
8:00
+0:38
35K
21.75 mi13:02:482:36:527:135:53
7:52
-0:08
23M
23.00 mi13:12:482:46:527:1510:00
7:59
+0:07
24M
24.00 mi13:20:572:55:017:188:09
8:09
+0:10
40K
24.85 mi13:27:583:02:027:197:01
8:12
+0:03
25.2M
25.20 mi13:31:013:05:057:213:03
8:51
+0:39
Finish
26.22 mi13:39:143:13:187:238:13
8:04
-0:47

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

6:53 /mi

Average Pace

7:23 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:21

57% of race

Time at Steady Pace

39:31

20% of race

Time at Slower Pace

44:26

23% of race

Average Pace: 7:22 /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 mi10:47:4121:457:0021:45
7:00
#6266
10K
6.21 mi11:09:0543:096:5721:24
6:53
#6159
15K
9.32 mi11:30:401:04:446:5721:35
6:57
#6165
20K
12.43 mi11:52:541:26:587:0022:14
7:09
#6343
Half
13.11 mi11:57:511:31:557:014:57
7:15
#6427
25K
15.53 mi12:15:171:49:217:0217:26
7:11
#6447
30K
18.64 mi12:38:552:12:597:0823:38
7:36
#6594
20M
20.00 mi12:48:552:22:597:0910:00
7:22
#6512
21M
21.00 mi12:56:552:30:597:118:00
8:00
#6522
35K
21.75 mi13:02:482:36:527:135:53
7:52
#6635
23M
23.00 mi13:12:482:46:527:1510:00
7:59
#6727
24M
24.00 mi13:20:572:55:017:188:09
8:09
#6892
40K
24.85 mi13:27:583:02:027:197:01
8:12
#7017
25.2M
25.20 mi13:31:013:05:057:213:03
8:51
#7066
Finish
26.22 mi13:39:143:13:187:238:13
8:04
#7246
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi62665485486258(Top 24%)589(Top 5%)589(Top 12%)
10K6.21 mi3.10 mi6159+107546+2546+26055(Top 23%)545(Top 5%)545(Top 11%)
15K9.32 mi3.11 mi6165-6553-7553-76258(Top 24%)589(Top 5%)589(Top 12%)
20K12.43 mi3.11 mi6343-178596-43596-436853(Top 26%)745(Top 7%)745(Top 15%)
Half13.11 mi0.68 mi6427-84616-20616-208289(Top 31%)1194(Top 10%)1194(Top 24%)
25K15.53 mi2.42 mi6447-20629-13629-136640(Top 25%)746(Top 7%)746(Top 15%)
30K18.64 mi3.11 mi6594-147675-46675-467985(Top 30%)1298(Top 11%)1298(Top 27%)
20M20.00 mi1.36 mi6512+82669+6669+65989(Top 22%)707(Top 6%)707(Top 14%)
21M21.00 mi1.00 mi6522-10686-17686-177368(Top 28%)1264(Top 11%)1264(Top 26%)
35K21.75 mi0.75 mi6635-113724-38724-3811133(Top 42%)2920(Top 26%)2920(Top 60%)
23M23.00 mi1.25 mi6727-92758-34758-349656(Top 36%)2320(Top 20%)2320(Top 48%)
24M24.00 mi1.00 mi6892-165828-70828-7012254(Top 46%)3714(Top 33%)3714(Top 76%)
40K24.85 mi0.85 mi7017-125885-57885-5711407(Top 43%)3355(Top 29%)3355(Top 69%)
25.2M25.20 mi0.35 mi7066-49909-24909-2411581(Top 44%)3477(Top 30%)3477(Top 71%)
Finish26.22 mi1.02 mi7246-180998-89998-8912562(Top 47%)3979(Top 35%)3979(Top 81%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6258

Females

589

F18-39

589

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6055

Females

545

F18-39

545

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6258

Females

589

F18-39

589

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

6853

Females

745

F18-39

745

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8289

Females

1194

F18-39

1194

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

6640

Females

746

F18-39

746

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

7985

Females

1298

F18-39

1298

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5989

Females

707

F18-39

707

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7368

Females

1264

F18-39

1264

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

11133

Females

2920

F18-39

2920

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

9656

Females

2320

F18-39

2320

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

12254

Females

3714

F18-39

3714

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11407

Females

3355

F18-39

3355

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11581

Females

3477

F18-39

3477

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

12562

Females

3979

F18-39

3979

Passing Analysis

Category:
Athletes Passed
851
Passed By
1831
Net Change
-980
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6266
5K → 10K241134+107#6266#6159
10K → 15K121127-6#6159#6165
15K → 20K48226-178#6165#6343
20K → Half185-84#6343#6427
Half → 25K7292-20#6427#6447
25K → 30K76223-147#6447#6594
30K → 20M9715+82#6594#6512
20M → 21M5464-10#6512#6522
21M → 35K19132-113#6522#6635
35K → 23M40132-92#6635#6727
23M → 24M17182-165#6727#6892
24M → 40K24149-125#6892#7017
40K → 25.2M1463-49#7017#7066
25.2M → Finish27207-180#7066#7246
TOTALS8511831-980
📊

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