Boston Marathon logo
BOSTON MARATHON 2023

Alexis Leighton

Bib: 13168•F

NY

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 33%
Gender (Female)
#0 / 11423
Top 14%
Division (F18-39)
#0 / 4884
Top 25%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:40
Rank: #10701
Start → 5K
23:40 | 7:37/mi
10K· 6.21 mi
46:29
Rank: #9844 (+857)
5K → 10K
22:49 | 7:21/mi
15K· 9.32 mi
1:09:34
Rank: #9727 (+117)
10K → 15K
23:05 | 7:26/mi
20K· 12.43 mi
1:33:06
Rank: #9754 (-27)
15K → 20K
23:32 | 7:34/mi
Half· 13.11 mi
1:38:10
Rank: #9749 (+5)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:56:34
Rank: #9690 (+59)
Half → 25K
18:24 | 7:35/mi
30K· 18.64 mi
2:20:32
Rank: #9481 (+209)
25K → 30K
23:58 | 7:43/mi
20M
2:31:01
Rank: #9371 (+110)
30K → 20M
10:29 | 7:43/mi
21M
2:39:07
Rank: #9242 (+129)
20M → 21M
8:06 | 8:06/mi
35K· 21.75 mi
2:44:44
Rank: #9200 (+42)
21M → 35K
5:37 | 7:30/mi
23M
2:54:28
Rank: #9124 (+76)
35K → 23M
9:44 | 7:46/mi
24M
3:02:04
Rank: #9064 (+60)
23M → 24M
7:36 | 7:36/mi
40K· 24.85 mi
3:08:35
Rank: #8986 (+78)
24M → 40K
6:31 | 7:37/mi
25.2M
3:11:21
Rank: #8928 (+58)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:18:43
Rank: #8809 (+119)
25.2M → Finish
7:22 | 7:14/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
Time1:38:10
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:40:33
Pace7:40 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1323:407:3723:40
7:37
-
10K
6.21 mi11:15:0246:297:2922:49
7:21
-0:16
15K
9.32 mi11:38:071:09:347:2823:05
7:26
+0:05
20K
12.43 mi12:01:391:33:067:2923:32
7:34
+0:08
Half
13.11 mi12:06:431:38:107:295:04
7:26
-0:08
25K
15.53 mi12:25:071:56:347:3018:24
7:35
+0:09
30K
18.64 mi12:49:052:20:327:3223:58
7:43
+0:08
20M
20.00 mi12:59:342:31:017:3310:29
7:43
0:00
21M
21.00 mi13:07:402:39:077:358:06
8:06
+0:23
35K
21.75 mi13:13:172:44:447:345:37
7:30
-0:36
23M
23.00 mi13:23:012:54:287:359:44
7:46
+0:16
24M
24.00 mi13:30:373:02:047:357:36
7:36
-0:10
40K
24.85 mi13:37:083:08:357:356:31
7:37
+0:01
25.2M
25.20 mi13:39:543:11:217:362:46
8:01
+0:24
Finish
26.22 mi13:47:163:18:437:357:22
7:14
-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

7:14 /mi

Average Pace

7:35 /mi

Slowest Pace

8:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:51

95% of race

Time at Steady Pace

10:52

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:35 /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 mi10:52:1323:407:3723:40
7:37
#10701
10K
6.21 mi11:15:0246:297:2922:49
7:21
#9844
15K
9.32 mi11:38:071:09:347:2823:05
7:26
#9727
20K
12.43 mi12:01:391:33:067:2923:32
7:34
#9754
Half
13.11 mi12:06:431:38:107:295:04
7:26
#9749
25K
15.53 mi12:25:071:56:347:3018:24
7:35
#9690
30K
18.64 mi12:49:052:20:327:3223:58
7:43
#9481
20M
20.00 mi12:59:342:31:017:3310:29
7:43
#9371
21M
21.00 mi13:07:402:39:077:358:06
8:06
#9242
35K
21.75 mi13:13:172:44:447:345:37
7:30
#9200
23M
23.00 mi13:23:012:54:287:359:44
7:46
#9124
24M
24.00 mi13:30:373:02:047:357:36
7:36
#9064
40K
24.85 mi13:37:083:08:357:356:31
7:37
#8986
25.2M
25.20 mi13:39:543:11:217:362:46
8:01
#8928
Finish
26.22 mi13:47:163:18:437:357:22
7:14
#8809
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10701218021809613(Top 36%)1669(Top 15%)1669(Top 34%)
10K6.21 mi3.10 mi9844+8571762+4181762+4189197(Top 35%)1496(Top 13%)1496(Top 31%)
15K9.32 mi3.11 mi9727+1171720+421720+429613(Top 36%)1669(Top 15%)1669(Top 34%)
20K12.43 mi3.11 mi9754-271730-101730-109911(Top 37%)1870(Top 16%)1870(Top 38%)
Half13.11 mi0.68 mi9749+51728+21728+29663(Top 36%)1734(Top 15%)1734(Top 36%)
25K15.53 mi2.42 mi9690+591721+71721+79470(Top 36%)1761(Top 15%)1761(Top 36%)
30K18.64 mi3.11 mi9481+2091678+431678+438752(Top 33%)1613(Top 14%)1613(Top 33%)
20M20.00 mi1.36 mi9371+1101662+161662+168315(Top 31%)1519(Top 13%)1519(Top 31%)
21M21.00 mi1.00 mi9242+1291631+311631+318032(Top 30%)1530(Top 13%)1530(Top 31%)
35K21.75 mi0.75 mi9200+421630+11630+18608(Top 32%)1727(Top 15%)1727(Top 35%)
23M23.00 mi1.25 mi9124+761627+31627+38253(Top 31%)1691(Top 15%)1691(Top 35%)
24M24.00 mi1.00 mi9064+601616+111616+118428(Top 32%)1847(Top 16%)1847(Top 38%)
40K24.85 mi0.85 mi8986+781605+111605+117478(Top 28%)1551(Top 14%)1551(Top 32%)
25.2M25.20 mi0.35 mi8928+581594+111594+116736(Top 25%)1322(Top 12%)1322(Top 27%)
Finish26.22 mi1.02 mi8809+1191566+281566+286650(Top 25%)1301(Top 11%)1301(Top 27%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9613

Females

1669

F18-39

1669

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9197

Females

1496

F18-39

1496

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9613

Females

1669

F18-39

1669

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

9911

Females

1870

F18-39

1870

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

9663

Females

1734

F18-39

1734

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

9470

Females

1761

F18-39

1761

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8752

Females

1613

F18-39

1613

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8315

Females

1519

F18-39

1519

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

8032

Females

1530

F18-39

1530

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

8608

Females

1727

F18-39

1727

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8253

Females

1691

F18-39

1691

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

8428

Females

1847

F18-39

1847

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7478

Females

1551

F18-39

1551

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6736

Females

1322

F18-39

1322

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6650

Females

1301

F18-39

1301

Passing Analysis

Category:
Athletes Passed
2597*
Passed By
705
Net Change
+1892
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10701
5K → 10K913*56+857#10701#9844
10K → 15K234117+117#9844#9727
15K → 20K138*165-27#9727#9754
20K → Half4237+5#9754#9749
Half → 25K14283+59#9749#9690
25K → 30K273*64+209#9690#9481
30K → 20M13929+110#9481#9371
20M → 21M15728+129#9371#9242
21M → 35K6220+42#9242#9200
35K → 23M12347+76#9200#9124
23M → 24M8626+60#9124#9064
24M → 40K9214+78#9064#8986
40K → 25.2M635+58#8986#8928
25.2M → Finish13314+119#8928#8809
TOTALS2597*705+1892

* 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