Boston Marathon logo
BOSTON MARATHON 2023

Katelyn Burke

Bib: 29739•F

GA

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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
11:00/mi
34:09
↑ 97↓ 3451.5%
10K· 6.21 mi
11:25/mi
1:09:36
↑ 79↓ 1380.4%
15K· 9.32 mi
12:19/mi
1:47:51
↑ 67↓ 78
20K· 12.43 mi
12:44/mi
2:27:24
↑ 106↓ 860.1%
Half· 13.11 mi
11:51/mi
2:35:29
↑ 19↓ 370.5%
25K· 15.53 mi
13:17/mi
3:07:42
↑ 66↓ 880.2%
30K· 18.64 mi
13:47/mi
3:50:32
↑ 181↓ 1480.2%
20M
14:09/mi
4:09:46
↑ 64↓ 500.2%
21M
15:32/mi
4:25:18
↑ 106↓ 241.6%
35K· 21.75 mi
13:59/mi
4:35:46
↑ 17↓ 861.7%
23M
15:36/mi
4:55:18
↑ 23↓ 630.6%
24M
13:44/mi
5:09:02
↓ 821.3%
40K· 24.85 mi
14:03/mi
5:21:03
↓ 200.3%
25.2M
15:28/mi
5:26:23
↑ 13↓ 160.2%
Finish· 26.22 mi
13:56/mi
5:40:35
↑ 22↓ 21

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
Time2:35:29
Pace11:52 /mi
2nd Half
Distance13.11 mi
Time3:05:06
Pace14:07 /mi
📊Positive Split: 19.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:3334:0911:0034:09
11:00
-
10K
6.21 mi12:26:001:09:3611:1235:27
11:25
+0:25
15K
9.32 mi13:04:151:47:5111:3438:15
12:19
+0:54
20K
12.43 mi13:43:482:27:2411:5239:33
12:44
+0:25
Half
13.11 mi13:51:532:35:2911:528:05
11:51
-0:53
25K
15.53 mi14:24:063:07:4212:0532:13
13:17
+1:26
30K
18.64 mi15:06:563:50:3212:2242:50
13:47
+0:30
20M
20.00 mi15:26:104:09:4612:2919:14
14:09
+0:22
21M
21.00 mi15:41:424:25:1812:3815:32
15:32
+1:23
35K
21.75 mi15:52:104:35:4612:4110:28
13:59
-1:33
23M
23.00 mi16:11:424:55:1812:5019:32
15:36
+1:37
24M
24.00 mi16:25:265:09:0212:5313:44
13:44
-1:52
40K
24.85 mi16:37:275:21:0312:5512:01
14:03
+0:19
25.2M
25.20 mi16:42:475:26:2312:575:20
15:28
+1:25
Finish
26.22 mi16:56:595:40:3513:0014:12
13:56
-1:32

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

11:00 /mi

Average Pace

13:00 /mi

Slowest Pace

15:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:29

46% of race

Time at Steady Pace

2:24:42

42% of race

Time at Slower Pace

40:24

12% of race

Average Pace: 12:59 /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 mi11:50:3334:0911:0034:09
11:00
#25668
10K
6.21 mi12:26:001:09:3611:1235:27
11:25
#25819
15K
9.32 mi13:04:151:47:5111:3438:15
12:19
#26031
20K
12.43 mi13:43:482:27:2411:5239:33
12:44
#26077
Half
13.11 mi13:51:532:35:2911:528:05
11:51
#26056
25K
15.53 mi14:24:063:07:4212:0532:13
13:17
#26069
30K
18.64 mi15:06:563:50:3212:2242:50
13:47
#26062
20M
20.00 mi15:26:104:09:4612:2919:14
14:09
#26050
21M
21.00 mi15:41:424:25:1812:3815:32
15:32
#26060
35K
21.75 mi15:52:104:35:4612:4110:28
13:59
#26070
23M
23.00 mi16:11:424:55:1812:5019:32
15:36
#26126
24M
24.00 mi16:25:265:09:0212:5313:44
13:44
#26130
40K
24.85 mi16:37:275:21:0312:5512:01
14:03
#26125
25.2M
25.20 mi16:42:475:26:2312:575:20
15:28
#26125
Finish
26.22 mi16:56:595:40:3513:0014:12
13:56
#26141
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25668108351083526235(Top 99%)11190(Top 98%)11190(Top 229%)
10K6.21 mi3.10 mi25819-15110932-9710932-9725890(Top 97%)10972(Top 96%)10972(Top 225%)
15K9.32 mi3.11 mi26031-21211055-12311055-12326235(Top 99%)11190(Top 98%)11190(Top 229%)
20K12.43 mi3.11 mi26077-4611089-3411089-3426104(Top 98%)11116(Top 97%)11116(Top 228%)
Half13.11 mi0.68 mi26056+2111078+1111078+1125776(Top 97%)10939(Top 96%)10939(Top 224%)
25K15.53 mi2.42 mi26069-1311085-711085-726021(Top 98%)11089(Top 97%)11089(Top 227%)
30K18.64 mi3.11 mi26062+711094-911094-925911(Top 97%)11057(Top 97%)11057(Top 226%)
20M20.00 mi1.36 mi26050+1211086+811086+825913(Top 97%)11075(Top 97%)11075(Top 227%)
21M21.00 mi1.00 mi26060-1011097-1111097-1126033(Top 98%)11129(Top 97%)11129(Top 228%)
35K21.75 mi0.75 mi26070-1011110-1311110-1326125(Top 98%)11193(Top 98%)11193(Top 229%)
23M23.00 mi1.25 mi26126-5611142-3211142-3226427(Top 99%)11339(Top 99%)11339(Top 232%)
24M24.00 mi1.00 mi26130-411147-511147-525939(Top 97%)11135(Top 97%)11135(Top 228%)
40K24.85 mi0.85 mi26125+5111471114725719(Top 97%)11036(Top 97%)11036(Top 226%)
25.2M25.20 mi0.35 mi26125111471114725931(Top 97%)11140(Top 98%)11140(Top 228%)
Finish26.22 mi1.02 mi26141-1611157-1011157-1026343(Top 99%)11328(Top 99%)11328(Top 232%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

26235

Females

11190

F18-39

11190

5K→10K

3.1 - 6.2 mi

Top 97%
×5story building
+79ft-138ft

Overall

25890

Females

10972

F18-39

10972

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

26235

Females

11190

F18-39

11190

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

26104

Females

11116

F18-39

11116

20K→Half

12.4 - 13.1 mi

Top 97%
×2story building
+19ft-37ft

Overall

25776

Females

10939

F18-39

10939

Half→25K

13.1 - 15.5 mi

Top 98%
×4story building
+66ft-88ft

Overall

26021

Females

11089

F18-39

11089

25K→30K

15.5 - 18.6 mi

Top 97%
×9story building
+181ft-148ft

Overall

25911

Females

11057

F18-39

11057

30K→20M

18.6 - 20.0 mi

Top 97%
×5story building
+64ft-50ft

Overall

25913

Females

11075

F18-39

11075

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

26033

Females

11129

F18-39

11129

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

26125

Females

11193

F18-39

11193

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

26427

Females

11339

F18-39

11339

23M→24M

23.0 - 24.0 mi

Top 97%
×6story building
+12ft-82ft

Overall

25939

Females

11135

F18-39

11135

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25719

Females

11036

F18-39

11036

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

25931

Females

11140

F18-39

11140

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2story building
+22ft-21ft

Overall

26343

Females

11328

F18-39

11328

Passing Analysis

Category:
Athletes Passed
301
Passed By
774
Net Change
-473
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25668
5K → 10K69220-151#25668#25819
10K → 15K14226-212#25819#26031
15K → 20K3783-46#26031#26077
20K → Half243+21#26077#26056
Half → 25K2942-13#26056#26069
25K → 30K4942+7#26069#26062
30K → 20M2210+12#26062#26050
20M → 21M1626-10#26050#26060
21M → 35K919-10#26060#26070
35K → 23M056-56#26070#26126
23M → 24M1014-4#26126#26130
24M → 40K138+5#26130#26125
40K → 25.2M440#26125#26125
25.2M → Finish521-16#26125#26141
TOTALS301774-473
📊

Passing Visuals

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing