Boston Marathon logo
BOSTON MARATHON 2023

Kathryn Wilson

Bib: 13643•F

VA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 27%
Gender (Female)
#0 / 11423
Top 9%
Division (F18-39)
#0 / 4884
Top 16%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
23:49
Rank: #11154
Start → 5K
23:49 | 7:40/mi
10K· 6.21 mi
47:11
Rank: #10862 (+292)
5K → 10K
23:22 | 7:31/mi
15K· 9.32 mi
1:09:55
Rank: #10067 (+795)
10K → 15K
22:44 | 7:19/mi
20K· 12.43 mi
1:32:10
Rank: #9121 (+946)
15K → 20K
22:15 | 7:10/mi
Half· 13.11 mi
1:36:58
Rank: #9000 (+121)
20K → Half
4:48 | 7:02/mi
25K· 15.53 mi
1:54:31
Rank: #8614 (+386)
Half → 25K
17:33 | 7:14/mi
30K· 18.64 mi
2:17:39
Rank: #8248 (+366)
25K → 30K
23:08 | 7:27/mi
20M
2:27:50
Rank: #8120 (+128)
30K → 20M
10:11 | 7:30/mi
21M
2:35:30
Rank: #7903 (+217)
20M → 21M
7:40 | 7:40/mi
35K· 21.75 mi
2:40:48
Rank: #7803 (+100)
21M → 35K
5:18 | 7:05/mi
23M
2:50:02
Rank: #7632 (+171)
35K → 23M
9:14 | 7:22/mi
24M
2:57:07
Rank: #7481 (+151)
23M → 24M
7:05 | 7:05/mi
40K· 24.85 mi
3:03:15
Rank: #7350 (+131)
24M → 40K
6:08 | 7:10/mi
25.2M
3:05:55
Rank: #7301 (+49)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
3:13:04
Rank: #7177 (+124)
25.2M → Finish
7:09 | 7:01/mi

Course Map & Elevation

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⚖️ Balanced
Distance13.11 mi
Time1:36:58
Pace7:24 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:36:06
Pace7:20 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5123:497:4023:49
7:40
-
10K
6.21 mi11:16:1347:117:3623:22
7:31
-0:09
15K
9.32 mi11:38:571:09:557:3022:44
7:19
-0:12
20K
12.43 mi12:01:121:32:107:2522:15
7:10
-0:09
Half
13.11 mi12:06:001:36:587:244:48
7:02
-0:08
25K
15.53 mi12:23:331:54:317:2217:33
7:14
+0:12
30K
18.64 mi12:46:412:17:397:2323:08
7:27
+0:13
20M
20.00 mi12:56:522:27:507:2310:11
7:30
+0:03
21M
21.00 mi13:04:322:35:307:247:40
7:40
+0:10
35K
21.75 mi13:09:502:40:487:245:18
7:05
-0:35
23M
23.00 mi13:19:042:50:027:249:14
7:22
+0:17
24M
24.00 mi13:26:092:57:077:237:05
7:05
-0:17
40K
24.85 mi13:32:173:03:157:226:08
7:10
+0:05
25.2M
25.20 mi13:34:573:05:557:232:40
7:44
+0:34
Finish
26.22 mi13:42:063:13:047:227:09
7:01
-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

7:01 /mi

Average Pace

7:22 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

3:10:24

99% of race

Time at Steady Pace

2:40

1% of race

Time at Slower Pace

0:00

0% 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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:52:5123:497:4023:49
7:40
#11154
10K
6.21 mi11:16:1347:117:3623:22
7:31
#10862
15K
9.32 mi11:38:571:09:557:3022:44
7:19
#10067
20K
12.43 mi12:01:121:32:107:2522:15
7:10
#9121
Half
13.11 mi12:06:001:36:587:244:48
7:02
#9000
25K
15.53 mi12:23:331:54:317:2217:33
7:14
#8614
30K
18.64 mi12:46:412:17:397:2323:08
7:27
#8248
20M
20.00 mi12:56:522:27:507:2310:11
7:30
#8120
21M
21.00 mi13:04:322:35:307:247:40
7:40
#7903
35K
21.75 mi13:09:502:40:487:245:18
7:05
#7803
23M
23.00 mi13:19:042:50:027:249:14
7:22
#7632
24M
24.00 mi13:26:092:57:077:237:05
7:05
#7481
40K
24.85 mi13:32:173:03:157:226:08
7:10
#7350
25.2M
25.20 mi13:34:573:05:557:232:40
7:44
#7301
Finish
26.22 mi13:42:063:13:047:227:09
7:01
#7177
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi11154240124018706(Top 33%)1321(Top 12%)1321(Top 27%)
10K6.21 mi3.10 mi10862+2922254+1472254+14710624(Top 40%)2109(Top 18%)2109(Top 43%)
15K9.32 mi3.11 mi10067+7951850+4041850+4048706(Top 33%)1321(Top 12%)1321(Top 27%)
20K12.43 mi3.11 mi9121+9461484+3661484+3666883(Top 26%)756(Top 7%)756(Top 15%)
Half13.11 mi0.68 mi9000+1211443+411443+416826(Top 26%)723(Top 6%)723(Top 15%)
25K15.53 mi2.42 mi8614+3861301+1421301+1426908(Top 26%)811(Top 7%)811(Top 17%)
30K18.64 mi3.11 mi8248+3661209+921209+926875(Top 26%)890(Top 8%)890(Top 18%)
20M20.00 mi1.36 mi8120+1281180+291180+296763(Top 25%)942(Top 8%)942(Top 19%)
21M21.00 mi1.00 mi7903+2171106+741106+745478(Top 21%)660(Top 6%)660(Top 14%)
35K21.75 mi0.75 mi7803+1001080+261080+265861(Top 22%)724(Top 6%)724(Top 15%)
23M23.00 mi1.25 mi7632+1711044+361044+365754(Top 22%)737(Top 6%)737(Top 15%)
24M24.00 mi1.00 mi7481+1511021+231021+235153(Top 19%)618(Top 5%)618(Top 13%)
40K24.85 mi0.85 mi7350+131995+26995+264780(Top 18%)584(Top 5%)584(Top 12%)
25.2M25.20 mi0.35 mi7301+49984+11984+115123(Top 19%)768(Top 7%)768(Top 16%)
Finish26.22 mi1.02 mi7177+124975+9975+95342(Top 20%)841(Top 7%)841(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

8706

Females

1321

F18-39

1321

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

10624

Females

2109

F18-39

2109

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

8706

Females

1321

F18-39

1321

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

6883

Females

756

F18-39

756

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

6826

Females

723

F18-39

723

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

6908

Females

811

F18-39

811

25K→30K

15.5 - 18.6 mi

Top 26%
×9stories
+181ft-148ft

Overall

6875

Females

890

F18-39

890

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

6763

Females

942

F18-39

942

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5478

Females

660

F18-39

660

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

5861

Females

724

F18-39

724

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

5754

Females

737

F18-39

737

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5153

Females

618

F18-39

618

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4780

Females

584

F18-39

584

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5123

Females

768

F18-39

768

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5342

Females

841

F18-39

841

Passing Analysis

Category:
Athletes Passed
4260*
Passed By
283
Net Change
+3977
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11154
5K → 10K467175+292#11154#10862
10K → 15K80914+795#10862#10067
15K → 20K947*1+946#10067#9121
20K → Half1221+121#9121#9000
Half → 25K3882+386#9000#8614
25K → 30K38216+366#8614#8248
30K → 20M14921+128#8248#8120
20M → 21M2214+217#8120#7903
21M → 35K1044+100#7903#7803
35K → 23M18413+171#7803#7632
23M → 24M1554+151#7632#7481
24M → 40K1376+131#7481#7350
40K → 25.2M523+49#7350#7301
25.2M → Finish14319+124#7301#7177
TOTALS4260*283+3977

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

📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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