Boston Marathon logo
BOSTON MARATHON 2023

Cara Hasser

Bib: 14938•F

IN

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:45
Rank: #16077
Start → 5K
25:45 | 8:17/mi
10K· 6.21 mi
52:09
Rank: #17174 (-1097)
5K → 10K
26:24 | 8:30/mi
15K· 9.32 mi
1:19:13
Rank: #17851 (-677)
10K → 15K
27:04 | 8:43/mi
20K· 12.43 mi
1:46:14
Rank: #17880 (-29)
15K → 20K
27:01 | 8:42/mi
Half· 13.11 mi
1:52:00
Rank: #17853 (+27)
20K → Half
5:46 | 8:27/mi
25K· 15.53 mi
2:12:57
Rank: #17680 (+173)
Half → 25K
20:57 | 8:38/mi
30K· 18.64 mi
2:40:53
Rank: #17555 (+125)
25K → 30K
27:56 | 8:59/mi
20M
2:53:56
Rank: #17711 (-156)
30K → 20M
13:03 | 9:36/mi
21M
3:05:46
Rank: #18263 (-552)
20M → 21M
11:50 | 11:50/mi
35K· 21.75 mi
3:13:58
Rank: #18590 (-327)
21M → 35K
8:12 | 10:58/mi
23M
3:26:01
Rank: #18604 (-14)
35K → 23M
12:03 | 9:37/mi
24M
3:35:56
Rank: #18735 (-131)
23M → 24M
9:55 | 9:55/mi
40K· 24.85 mi
3:44:04
Rank: #18733 (+2)
24M → 40K
8:08 | 9:31/mi
25.2M
3:47:19
Rank: #18675 (+58)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:55:16
Rank: #18422 (+253)
25.2M → Finish
7:57 | 7:48/mi

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
Time1:52:00
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time2:03:16
Pace9:24 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:1625:458:1725:45
8:17
-
10K
6.21 mi11:21:4052:098:2426:24
8:30
+0:13
15K
9.32 mi11:48:441:19:138:3027:04
8:43
+0:13
20K
12.43 mi12:15:451:46:148:3327:01
8:42
-0:01
Half
13.11 mi12:21:311:52:008:335:46
8:27
-0:15
25K
15.53 mi12:42:282:12:578:3420:57
8:38
+0:11
30K
18.64 mi13:10:242:40:538:3827:56
8:59
+0:21
20M
20.00 mi13:23:272:53:568:4213:03
9:36
+0:37
21M
21.00 mi13:35:173:05:468:5111:50
11:50
+2:14
35K
21.75 mi13:43:293:13:588:558:12
10:58
-0:52
23M
23.00 mi13:55:323:26:018:5712:03
9:37
-1:21
24M
24.00 mi14:05:273:35:569:009:55
9:55
+0:18
40K
24.85 mi14:13:353:44:049:018:08
9:31
-0:24
25.2M
25.20 mi14:16:503:47:199:013:15
9:25
-0:06
Finish
26.22 mi14:24:473:55:168:597:57
7:48
-1:37

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

7:48 /mi

Average Pace

8:59 /mi

Slowest Pace

11:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

39:28

17% of race

Time at Steady Pace

2:12:37

56% of race

Time at Slower Pace

1:03:11

27% of race

Average Pace: 8:58 /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 mi10:55:1625:458:1725:45
8:17
#16077
10K
6.21 mi11:21:4052:098:2426:24
8:30
#17174
15K
9.32 mi11:48:441:19:138:3027:04
8:43
#17851
20K
12.43 mi12:15:451:46:148:3327:01
8:42
#17880
Half
13.11 mi12:21:311:52:008:335:46
8:27
#17853
25K
15.53 mi12:42:282:12:578:3420:57
8:38
#17680
30K
18.64 mi13:10:242:40:538:3827:56
8:59
#17555
20M
20.00 mi13:23:272:53:568:4213:03
9:36
#17711
21M
21.00 mi13:35:173:05:468:5111:50
11:50
#18263
35K
21.75 mi13:43:293:13:588:558:12
10:58
#18590
23M
23.00 mi13:55:323:26:018:5712:03
9:37
#18604
24M
24.00 mi14:05:273:35:569:009:55
9:55
#18735
40K
24.85 mi14:13:353:44:049:018:08
9:31
#18733
25.2M
25.20 mi14:16:503:47:199:013:15
9:25
#18675
Finish
26.22 mi14:24:473:55:168:597:57
7:48
#18422
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi160775337533719054(Top 72%)7137(Top 62%)7137(Top 146%)
10K6.21 mi3.10 mi17174-10976038-7016038-70118244(Top 69%)6621(Top 58%)6621(Top 136%)
15K9.32 mi3.11 mi17851-6776435-3976435-39719054(Top 72%)7137(Top 62%)7137(Top 146%)
20K12.43 mi3.11 mi17880-296456-216456-2118112(Top 68%)6576(Top 58%)6576(Top 135%)
Half13.11 mi0.68 mi17853+276436+206436+2017523(Top 66%)6206(Top 54%)6206(Top 127%)
25K15.53 mi2.42 mi17680+1736340+966340+9617064(Top 64%)6048(Top 53%)6048(Top 124%)
30K18.64 mi3.11 mi17555+1256292+486292+4817138(Top 64%)6152(Top 54%)6152(Top 126%)
20M20.00 mi1.36 mi17711-1566405-1136405-11319246(Top 72%)7424(Top 65%)7424(Top 152%)
21M21.00 mi1.00 mi18263-5526758-3536758-35322479(Top 84%)9264(Top 81%)9264(Top 190%)
35K21.75 mi0.75 mi18590-3276929-1716929-17123237(Top 87%)9714(Top 85%)9714(Top 199%)
23M23.00 mi1.25 mi18604-146951-226951-2218837(Top 71%)7311(Top 64%)7311(Top 150%)
24M24.00 mi1.00 mi18735-1317049-987049-9820554(Top 77%)8294(Top 73%)8294(Top 170%)
40K24.85 mi0.85 mi18733+27057-87057-818391(Top 69%)7151(Top 63%)7151(Top 146%)
25.2M25.20 mi0.35 mi18675+587032+257032+2514921(Top 56%)5279(Top 46%)5279(Top 108%)
Finish26.22 mi1.02 mi18422+2536894+1386894+13810743(Top 40%)3075(Top 27%)3075(Top 63%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

19054

Females

7137

F18-39

7137

5K→10K

3.1 - 6.2 mi

Top 69%
×5stories
+79ft-138ft

Overall

18244

Females

6621

F18-39

6621

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

19054

Females

7137

F18-39

7137

15K→20K

9.3 - 12.4 mi

Top 68%
×5stories
+106ft-86ft

Overall

18112

Females

6576

F18-39

6576

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

17523

Females

6206

F18-39

6206

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

17064

Females

6048

F18-39

6048

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

17138

Females

6152

F18-39

6152

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

19246

Females

7424

F18-39

7424

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

22479

Females

9264

F18-39

9264

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

23237

Females

9714

F18-39

9714

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

18837

Females

7311

F18-39

7311

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

20554

Females

8294

F18-39

8294

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18391

Females

7151

F18-39

7151

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14921

Females

5279

F18-39

5279

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

10743

Females

3075

F18-39

3075

Passing Analysis

Category:
Athletes Passed
1260
Passed By
3605
Net Change
-2345
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16077
5K → 10K421139-1097#16077#17174
10K → 15K51728-677#17174#17851
15K → 20K154183-29#17851#17880
20K → Half4619+27#17880#17853
Half → 25K22047+173#17853#17680
25K → 30K232107+125#17680#17555
30K → 20M45201-156#17555#17711
20M → 21M6558-552#17711#18263
21M → 35K7334-327#18263#18590
35K → 23M6983-14#18590#18604
23M → 24M25156-131#18604#18735
24M → 40K4846+2#18735#18733
40K → 25.2M613+58#18733#18675
25.2M → Finish2541+253#18675#18422
TOTALS12603605-2345
📊

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