Boston Marathon logo
BOSTON MARATHON 2023

Laura Houghton

Bib: 14697•F

IL

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 32%
Gender (Female)
#0 / 11423
Top 13%
Division (F18-39)
#0 / 4884
Top 24%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:05
Rank: #11935
Start → 5K
24:05 | 7:45/mi
10K· 6.21 mi
47:57
Rank: #11973 (-38)
5K → 10K
23:52 | 7:41/mi
15K· 9.32 mi
1:11:50
Rank: #11850 (+123)
10K → 15K
23:53 | 7:41/mi
20K· 12.43 mi
1:35:31
Rank: #11399 (+451)
15K → 20K
23:41 | 7:37/mi
Half· 13.11 mi
1:40:39
Rank: #11347 (+52)
20K → Half
5:08 | 7:31/mi
25K· 15.53 mi
1:59:01
Rank: #10996 (+351)
Half → 25K
18:22 | 7:35/mi
30K· 18.64 mi
2:22:43
Rank: #10404 (+592)
25K → 30K
23:42 | 7:38/mi
20M
2:32:55
Rank: #10126 (+278)
30K → 20M
10:12 | 7:30/mi
21M
2:40:44
Rank: #9842 (+284)
20M → 21M
7:49 | 7:49/mi
35K· 21.75 mi
2:46:02
Rank: #9676 (+166)
21M → 35K
5:18 | 7:05/mi
23M
2:55:06
Rank: #9306 (+370)
35K → 23M
9:04 | 7:14/mi
24M
3:02:10
Rank: #9099 (+207)
23M → 24M
7:04 | 7:04/mi
40K· 24.85 mi
3:08:14
Rank: #8881 (+218)
24M → 40K
6:04 | 7:06/mi
25.2M
3:10:56
Rank: #8801 (+80)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
3:18:00
Rank: #8613 (+188)
25.2M → Finish
7:04 | 6:56/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 Half
Distance13.11 mi
Time1:40:39
Pace7:41 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:37:21
Pace7:26 /mi
📊Negative Split: 3.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:1424:057:4524:05
7:45
-
10K
6.21 mi11:19:0647:577:4323:52
7:41
-0:04
15K
9.32 mi11:42:591:11:507:4223:53
7:41
0:00
20K
12.43 mi12:06:401:35:317:4123:41
7:37
-0:04
Half
13.11 mi12:11:481:40:397:415:08
7:31
-0:06
25K
15.53 mi12:30:101:59:017:4018:22
7:35
+0:04
30K
18.64 mi12:53:522:22:437:3923:42
7:38
+0:03
20M
20.00 mi13:04:042:32:557:3910:12
7:30
-0:08
21M
21.00 mi13:11:532:40:447:397:49
7:49
+0:19
35K
21.75 mi13:17:112:46:027:385:18
7:05
-0:44
23M
23.00 mi13:26:152:55:067:379:04
7:14
+0:09
24M
24.00 mi13:33:193:02:107:357:04
7:04
-0:10
40K
24.85 mi13:39:233:08:147:346:04
7:06
+0:02
25.2M
25.20 mi13:42:053:10:567:352:42
7:50
+0:44
Finish
26.22 mi13:49:093:18:007:337:04
6:56
-0:54

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

7:33 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:57

46% of race

Time at Steady Pace

1:46:03

54% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:33 /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 mi10:55:1424:057:4524:05
7:45
#11935
10K
6.21 mi11:19:0647:577:4323:52
7:41
#11973
15K
9.32 mi11:42:591:11:507:4223:53
7:41
#11850
20K
12.43 mi12:06:401:35:317:4123:41
7:37
#11399
Half
13.11 mi12:11:481:40:397:415:08
7:31
#11347
25K
15.53 mi12:30:101:59:017:4018:22
7:35
#10996
30K
18.64 mi12:53:522:22:437:3923:42
7:38
#10404
20M
20.00 mi13:04:042:32:557:3910:12
7:30
#10126
21M
21.00 mi13:11:532:40:447:397:49
7:49
#9842
35K
21.75 mi13:17:112:46:027:385:18
7:05
#9676
23M
23.00 mi13:26:152:55:067:379:04
7:14
#9306
24M
24.00 mi13:33:193:02:107:357:04
7:04
#9099
40K
24.85 mi13:39:233:08:147:346:04
7:06
#8881
25.2M
25.20 mi13:42:053:10:567:352:42
7:50
#8801
Finish
26.22 mi13:49:093:18:007:337:04
6:56
#8613
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi119352828282811752(Top 44%)2755(Top 24%)2755(Top 56%)
10K6.21 mi3.10 mi11973-382852-242852-2412072(Top 45%)2906(Top 25%)2906(Top 60%)
15K9.32 mi3.11 mi11850+1232807+452807+4511752(Top 44%)2755(Top 24%)2755(Top 56%)
20K12.43 mi3.11 mi11399+4512550+2572550+25710263(Top 39%)2024(Top 18%)2024(Top 41%)
Half13.11 mi0.68 mi11347+522531+192531+1910429(Top 39%)2084(Top 18%)2084(Top 43%)
25K15.53 mi2.42 mi10996+3512350+1812350+1819358(Top 35%)1707(Top 15%)1707(Top 35%)
30K18.64 mi3.11 mi10404+5922103+2472103+2478161(Top 31%)1372(Top 12%)1372(Top 28%)
20M20.00 mi1.36 mi10126+2781985+1181985+1186855(Top 26%)980(Top 9%)980(Top 20%)
21M21.00 mi1.00 mi9842+2841874+1111874+1116294(Top 24%)886(Top 8%)886(Top 18%)
35K21.75 mi0.75 mi9676+1661810+641810+645874(Top 22%)737(Top 6%)737(Top 15%)
23M23.00 mi1.25 mi9306+3701698+1121698+1125030(Top 19%)544(Top 5%)544(Top 11%)
24M24.00 mi1.00 mi9099+2071634+641634+645056(Top 19%)594(Top 5%)594(Top 12%)
40K24.85 mi0.85 mi8881+2181572+621572+624391(Top 16%)495(Top 4%)495(Top 10%)
25.2M25.20 mi0.35 mi8801+801548+241548+245638(Top 21%)951(Top 8%)951(Top 19%)
Finish26.22 mi1.02 mi8613+1881486+621486+624871(Top 18%)697(Top 6%)697(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

11752

Females

2755

F18-39

2755

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

12072

Females

2906

F18-39

2906

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

11752

Females

2755

F18-39

2755

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

10263

Females

2024

F18-39

2024

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10429

Females

2084

F18-39

2084

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

9358

Females

1707

F18-39

1707

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8161

Females

1372

F18-39

1372

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

6855

Females

980

F18-39

980

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6294

Females

886

F18-39

886

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

5874

Females

737

F18-39

737

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5030

Females

544

F18-39

544

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5056

Females

594

F18-39

594

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4391

Females

495

F18-39

495

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5638

Females

951

F18-39

951

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

4871

Females

697

F18-39

697

Passing Analysis

Category:
Athletes Passed
3832*
Passed By
510
Net Change
+3322
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11935
5K → 10K282320-38#11935#11973
10K → 15K260137+123#11973#11850
15K → 20K46817+451#11850#11399
20K → Half6412+52#11399#11347
Half → 25K3598+351#11347#10996
25K → 30K5953+592#10996#10404
30K → 20M278*0+278#10404#10126
20M → 21M288*4+284#10126#9842
21M → 35K1671+166#9842#9676
35K → 23M3711+370#9676#9306
23M → 24M2081+207#9306#9099
24M → 40K2191+218#9099#8881
40K → 25.2M822+80#8881#8801
25.2M → Finish1913+188#8801#8613
TOTALS3832*510+3322

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

📊

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