Boston Marathon logo
BOSTON MARATHON 2023

Katelin Barkey

Bib: 8223•F

ON

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 19%
Gender (Female)
#0 / 11423
Top 3%
Division (F18-39)
#0 / 4884
Top 7%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:12
Rank: #4913
Start → 5K
21:12 | 6:49/mi
10K· 6.21 mi
42:29
Rank: #5296 (-383)
5K → 10K
21:17 | 6:51/mi
15K· 9.32 mi
1:03:52
Rank: #5497 (-201)
10K → 15K
21:23 | 6:53/mi
20K· 12.43 mi
1:26:03
Rank: #5865 (-368)
15K → 20K
22:11 | 7:08/mi
Half· 13.11 mi
1:30:42
Rank: #5840 (+25)
20K → Half
4:39 | 6:49/mi
25K· 15.53 mi
1:47:37
Rank: #5759 (+81)
Half → 25K
16:55 | 6:59/mi
30K· 18.64 mi
2:09:33
Rank: #5530 (+229)
25K → 30K
21:56 | 7:04/mi
20M
2:19:09
Rank: #5409 (+121)
30K → 20M
9:36 | 7:04/mi
21M
2:26:35
Rank: #5285 (+124)
20M → 21M
7:26 | 7:26/mi
35K· 21.75 mi
2:31:42
Rank: #5227 (+58)
21M → 35K
5:07 | 6:50/mi
23M
2:40:40
Rank: #5143 (+84)
35K → 23M
8:58 | 7:10/mi
24M
2:47:39
Rank: #5068 (+75)
23M → 24M
6:59 | 6:59/mi
40K· 24.85 mi
2:53:45
Rank: #5007 (+61)
24M → 40K
6:06 | 7:08/mi
25.2M
2:56:22
Rank: #4984 (+23)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
3:03:25
Rank: #4934 (+50)
25.2M → Finish
7:03 | 6:55/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
Time1:30:42
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:32:43
Pace7:04 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:2021:126:4921:12
6:49
-
10K
6.21 mi11:07:3742:296:5021:17
6:51
+0:02
15K
9.32 mi11:29:001:03:526:5121:23
6:53
+0:02
20K
12.43 mi11:51:111:26:036:5522:11
7:08
+0:15
Half
13.11 mi11:55:501:30:426:554:39
6:49
-0:19
25K
15.53 mi12:12:451:47:376:5616:55
6:59
+0:10
30K
18.64 mi12:34:412:09:336:5721:56
7:04
+0:05
20M
20.00 mi12:44:172:19:096:579:36
7:04
0:00
21M
21.00 mi12:51:432:26:356:597:26
7:26
+0:22
35K
21.75 mi12:56:502:31:426:595:07
6:50
-0:36
23M
23.00 mi13:05:482:40:406:598:58
7:10
+0:20
24M
24.00 mi13:12:472:47:396:596:59
6:59
-0:11
40K
24.85 mi13:18:532:53:456:596:06
7:08
+0:09
25.2M
25.20 mi13:21:302:56:227:002:37
7:35
+0:27
Finish
26.22 mi13:28:333:03:257:007:03
6:55
-0:40

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

6:49 /mi

Average Pace

7:00 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:48

99% of race

Time at Steady Pace

2:37

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:00 /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 mi10:46:2021:126:4921:12
6:49
#4913
10K
6.21 mi11:07:3742:296:5021:17
6:51
#5296
15K
9.32 mi11:29:001:03:526:5121:23
6:53
#5497
20K
12.43 mi11:51:111:26:036:5522:11
7:08
#5865
Half
13.11 mi11:55:501:30:426:554:39
6:49
#5840
25K
15.53 mi12:12:451:47:376:5616:55
6:59
#5759
30K
18.64 mi12:34:412:09:336:5721:56
7:04
#5530
20M
20.00 mi12:44:172:19:096:579:36
7:04
#5409
21M
21.00 mi12:51:432:26:356:597:26
7:26
#5285
35K
21.75 mi12:56:502:31:426:595:07
6:50
#5227
23M
23.00 mi13:05:482:40:406:598:58
7:10
#5143
24M
24.00 mi13:12:472:47:396:596:59
6:59
#5068
40K
24.85 mi13:18:532:53:456:596:06
7:08
#5007
25.2M
25.20 mi13:21:302:56:227:002:37
7:35
#4984
Finish
26.22 mi13:28:333:03:257:007:03
6:55
#4934
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi49133453455845(Top 22%)497(Top 4%)497(Top 10%)
10K6.21 mi3.10 mi5296-383391-46391-465774(Top 22%)484(Top 4%)484(Top 10%)
15K9.32 mi3.11 mi5497-201417-26417-265845(Top 22%)497(Top 4%)497(Top 10%)
20K12.43 mi3.11 mi5865-368486-69486-696763(Top 25%)719(Top 6%)719(Top 15%)
Half13.11 mi0.68 mi5840+25480+6480+65471(Top 21%)419(Top 4%)419(Top 9%)
25K15.53 mi2.42 mi5759+81463+17463+175454(Top 20%)428(Top 4%)428(Top 9%)
30K18.64 mi3.11 mi5530+229436+27436+274729(Top 18%)362(Top 3%)362(Top 7%)
20M20.00 mi1.36 mi5409+121419+17419+174433(Top 17%)354(Top 3%)354(Top 7%)
21M21.00 mi1.00 mi5285+124411+8411+84313(Top 16%)364(Top 3%)364(Top 7%)
35K21.75 mi0.75 mi5227+58410+1410+14495(Top 17%)391(Top 3%)391(Top 8%)
23M23.00 mi1.25 mi5143+844104104622(Top 17%)442(Top 4%)442(Top 9%)
24M24.00 mi1.00 mi5068+75405+5405+54625(Top 17%)470(Top 4%)470(Top 10%)
40K24.85 mi0.85 mi5007+61394+11394+114575(Top 17%)525(Top 5%)525(Top 11%)
25.2M25.20 mi0.35 mi4984+23391+3391+34383(Top 16%)538(Top 5%)538(Top 11%)
Finish26.22 mi1.02 mi4934+50394-3394-34758(Top 18%)643(Top 6%)643(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

5845

Females

497

F18-39

497

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5774

Females

484

F18-39

484

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

5845

Females

497

F18-39

497

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

6763

Females

719

F18-39

719

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5471

Females

419

F18-39

419

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5454

Females

428

F18-39

428

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4729

Females

362

F18-39

362

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4433

Females

354

F18-39

354

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4313

Females

364

F18-39

364

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4495

Females

391

F18-39

391

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4622

Females

442

F18-39

442

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4625

Females

470

F18-39

470

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4575

Females

525

F18-39

525

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4383

Females

538

F18-39

538

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

4758

Females

643

F18-39

643

Passing Analysis

Category:
Athletes Passed
1276
Passed By
1297
Net Change
-21
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4913
5K → 10K79462-383#4913#5296
10K → 15K56257-201#5296#5497
15K → 20K28396-368#5497#5865
20K → Half3611+25#5865#5840
Half → 25K12443+81#5840#5759
25K → 30K25021+229#5759#5530
30K → 20M1309+121#5530#5409
20M → 21M1328+124#5409#5285
21M → 35K7315+58#5285#5227
35K → 23M10622+84#5227#5143
23M → 24M9015+75#5143#5068
24M → 40K7716+61#5068#5007
40K → 25.2M296+23#5007#4984
25.2M → Finish6616+50#4984#4934
TOTALS12761297-21
📊

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