Boston Marathon logo
BOSTON MARATHON 2023

Alison Caruana

Bib: 8625•F

NY

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 22%
Gender (Female)
#0 / 11423
Top 5%
Division (F18-39)
#0 / 4884
Top 9%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:49
Rank: #6399
Start → 5K
7:01/mi
21:49 split
10K· 6.21 mi
43:14
Rank: #6265 (+134)
5K → 10K
6:54/mi
21:25 split
15K· 9.32 mi
1:04:41
Rank: #6130 (+135)
10K → 15K
6:54/mi
21:27 split
20K· 12.43 mi
1:26:13
Rank: #5973 (+157)
15K → 20K
6:56/mi
21:32 split
Half· 13.11 mi
1:30:54
Rank: #5952 (+21)
20K → Half
6:52/mi
4:41 split
25K· 15.53 mi
1:47:48
Rank: #5839 (+113)
Half → 25K
6:58/mi
16:54 split
30K· 18.64 mi
2:10:25
Rank: #5786 (+53)
25K → 30K
7:17/mi
22:37 split
20M
2:20:33
Rank: #5817 (-31)
30K → 20M
7:27/mi
10:08 split
21M
2:28:26
Rank: #5809 (+8)
20M → 21M
7:53/mi
7:53 split
35K· 21.75 mi
2:33:33
Rank: #5748 (+61)
21M → 35K
6:50/mi
5:07 split
23M
2:42:50
Rank: #5689 (+59)
35K → 23M
7:25/mi
9:17 split
24M
2:50:13
Rank: #5695 (-6)
23M → 24M
7:23/mi
7:23 split
40K· 24.85 mi
2:56:42
Rank: #5696 (-1)
24M → 40K
7:35/mi
6:29 split
25.2M
2:59:31
Rank: #5698 (-2)
40K → 25.2M
8:10/mi
2:49 split
Finish· 26.22 mi
3:07:07
Rank: #5732 (-34)
25.2M → Finish
7:27/mi
7:36 split

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:54
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:36:13
Pace7:20 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1521:497:0121:49
7:01
-
10K
6.21 mi11:08:4043:146:5721:25
6:54
-0:07
15K
9.32 mi11:30:071:04:416:5621:27
6:54
0:00
20K
12.43 mi11:51:391:26:136:5621:32
6:56
+0:02
Half
13.11 mi11:56:201:30:546:564:41
6:52
-0:04
25K
15.53 mi12:13:141:47:486:5616:54
6:58
+0:06
30K
18.64 mi12:35:512:10:257:0022:37
7:17
+0:19
20M
20.00 mi12:45:592:20:337:0210:08
7:27
+0:10
21M
21.00 mi12:53:522:28:267:047:53
7:53
+0:26
35K
21.75 mi12:58:592:33:337:045:07
6:50
-1:03
23M
23.00 mi13:08:162:42:507:059:17
7:25
+0:35
24M
24.00 mi13:15:392:50:137:067:23
7:23
-0:02
40K
24.85 mi13:22:082:56:427:076:29
7:35
+0:12
25.2M
25.20 mi13:24:572:59:317:072:49
8:10
+0:35
Finish
26.22 mi13:32:333:07:077:097:36
7:27
-0:43

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

6:50 /mi

Average Pace

7:09 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:56

91% of race

Time at Steady Pace

14:22

8% of race

Time at Slower Pace

2:49

2% of race

Average Pace: 7:08 /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 mi10:47:1521:497:0121:49
7:01
#6399
10K
6.21 mi11:08:4043:146:5721:25
6:54
#6265
15K
9.32 mi11:30:071:04:416:5621:27
6:54
#6130
20K
12.43 mi11:51:391:26:136:5621:32
6:56
#5973
Half
13.11 mi11:56:201:30:546:564:41
6:52
#5952
25K
15.53 mi12:13:141:47:486:5616:54
6:58
#5839
30K
18.64 mi12:35:512:10:257:0022:37
7:17
#5786
20M
20.00 mi12:45:592:20:337:0210:08
7:27
#5817
21M
21.00 mi12:53:522:28:267:047:53
7:53
#5809
35K
21.75 mi12:58:592:33:337:045:07
6:50
#5748
23M
23.00 mi13:08:162:42:507:059:17
7:25
#5689
24M
24.00 mi13:15:392:50:137:067:23
7:23
#5695
40K
24.85 mi13:22:082:56:427:076:29
7:35
#5696
25.2M
25.20 mi13:24:572:59:317:072:49
8:10
#5698
Finish
26.22 mi13:32:333:07:077:097:36
7:27
#5732
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi63995805805993(Top 23%)530(Top 5%)530(Top 11%)
10K6.21 mi3.10 mi6265+134570+10570+106095(Top 23%)555(Top 5%)555(Top 11%)
15K9.32 mi3.11 mi6130+135545+25545+255993(Top 23%)530(Top 5%)530(Top 11%)
20K12.43 mi3.11 mi5973+157514+31514+315564(Top 21%)443(Top 4%)443(Top 9%)
Half13.11 mi0.68 mi5952+21508+6508+65842(Top 22%)480(Top 4%)480(Top 10%)
25K15.53 mi2.42 mi5839+113479+29479+295425(Top 20%)425(Top 4%)425(Top 9%)
30K18.64 mi3.11 mi5786+53481-2481-25920(Top 22%)596(Top 5%)596(Top 12%)
20M20.00 mi1.36 mi5817-31499-18499-186522(Top 24%)847(Top 7%)847(Top 17%)
21M21.00 mi1.00 mi5809+8506-7506-76656(Top 25%)999(Top 9%)999(Top 20%)
35K21.75 mi0.75 mi5748+61495+11495+114501(Top 17%)397(Top 3%)397(Top 8%)
23M23.00 mi1.25 mi5689+59502-7502-75963(Top 22%)792(Top 7%)792(Top 16%)
24M24.00 mi1.00 mi5695-6512-10512-106948(Top 26%)1243(Top 11%)1243(Top 25%)
40K24.85 mi0.85 mi5696-1527-15527-157229(Top 27%)1448(Top 13%)1448(Top 30%)
25.2M25.20 mi0.35 mi5698-2532-5532-57526(Top 28%)1596(Top 14%)1596(Top 33%)
Finish26.22 mi1.02 mi5732-34554-22554-228251(Top 31%)1926(Top 17%)1926(Top 39%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

5993

Females

530

F18-39

530

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6095

Females

555

F18-39

555

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

5993

Females

530

F18-39

530

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5564

Females

443

F18-39

443

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

5842

Females

480

F18-39

480

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5425

Females

425

F18-39

425

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

5920

Females

596

F18-39

596

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6522

Females

847

F18-39

847

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

6656

Females

999

F18-39

999

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4501

Females

397

F18-39

397

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

5963

Females

792

F18-39

792

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

6948

Females

1243

F18-39

1243

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7229

Females

1448

F18-39

1448

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7526

Females

1596

F18-39

1596

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8251

Females

1926

F18-39

1926

Passing Analysis

Category:
Athletes Passed
1409
Passed By
742
Net Change
+667
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6399
5K → 10K268134+134#6399#6265
10K → 15K18853+135#6265#6130
15K → 20K19235+157#6130#5973
20K → Half3413+21#5973#5952
Half → 25K14835+113#5952#5839
25K → 30K13986+53#5839#5786
30K → 20M5788-31#5786#5817
20M → 21M5951+8#5817#5809
21M → 35K665+61#5809#5748
35K → 23M9940+59#5748#5689
23M → 24M4854-6#5689#5695
24M → 40K4748-1#5695#5696
40K → 25.2M1921-2#5696#5698
25.2M → Finish4579-34#5698#5732
TOTALS1409742+667
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing