Boston Marathon logo
BOSTON MARATHON 2023

Katelyn Bennett

Bib: 30332•F

NH

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

Start
0:00:00
Race begins
5K· 3.11 mi
31:41
Rank: #23945
Start → 5K
31:41 | 10:12/mi
10K· 6.21 mi
1:02:06
Rank: #23612 (+333)
5K → 10K
30:25 | 9:47/mi
15K· 9.32 mi
1:32:18
Rank: #23382 (+230)
10K → 15K
30:12 | 9:43/mi
20K· 12.43 mi
2:08:09
Rank: #24043 (-661)
15K → 20K
35:51 | 11:32/mi
Half· 13.11 mi
2:15:07
Rank: #24014 (+29)
20K → Half
6:58 | 10:13/mi
25K· 15.53 mi
2:43:50
Rank: #24272 (-258)
Half → 25K
28:43 | 11:51/mi
30K· 18.64 mi
3:17:14
Rank: #23962 (+310)
25K → 30K
33:24 | 10:45/mi
20M
3:31:27
Rank: #23795 (+167)
30K → 20M
14:13 | 10:28/mi
21M
3:44:07
Rank: #23812 (-17)
20M → 21M
12:40 | 12:40/mi
35K· 21.75 mi
3:51:41
Rank: #23740 (+72)
21M → 35K
7:34 | 10:07/mi
23M
4:05:53
Rank: #23717 (+23)
35K → 23M
14:12 | 11:20/mi
24M
4:17:18
Rank: #23721 (-4)
23M → 24M
11:25 | 11:25/mi
40K· 24.85 mi
4:26:48
Rank: #23682 (+39)
24M → 40K
9:30 | 11:07/mi
25.2M
4:30:38
Rank: #23648 (+34)
40K → 25.2M
3:50 | 11:07/mi
Finish· 26.22 mi
4:39:56
Rank: #23531 (+117)
25.2M → Finish
9:18 | 9:08/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
Time2:15:07
Pace10:18 /mi
2nd Half
Distance13.11 mi
Time2:24:49
Pace11:03 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:5231:4110:1231:41
10:12
-
10K
6.21 mi12:21:171:02:0610:0030:25
9:47
-0:25
15K
9.32 mi12:51:291:32:189:5430:12
9:43
-0:04
20K
12.43 mi13:27:202:08:0910:1935:51
11:32
+1:49
Half
13.11 mi13:34:182:15:0710:186:58
10:13
-1:19
25K
15.53 mi14:03:012:43:5010:3328:43
11:51
+1:38
30K
18.64 mi14:36:253:17:1410:3533:24
10:45
-1:06
20M
20.00 mi14:50:383:31:2710:3414:13
10:28
-0:17
21M
21.00 mi15:03:183:44:0710:4012:40
12:40
+2:12
35K
21.75 mi15:10:523:51:4110:397:34
10:07
-2:33
23M
23.00 mi15:25:044:05:5310:4114:12
11:20
+1:13
24M
24.00 mi15:36:294:17:1810:4311:25
11:25
+0:05
40K
24.85 mi15:45:594:26:4810:449:30
11:07
-0:18
25.2M
25.20 mi15:49:494:30:3810:443:50
11:07
0:00
Finish
26.22 mi15:59:074:39:5610:419:18
9:08
-1:59

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

9:08 /mi

Average Pace

10:41 /mi

Slowest Pace

12:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:08

41% of race

Time at Steady Pace

1:00:57

22% of race

Time at Slower Pace

1:42:51

37% of race

Average Pace: 10:41 /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 mi11:50:5231:4110:1231:41
10:12
#23945
10K
6.21 mi12:21:171:02:0610:0030:25
9:47
#23612
15K
9.32 mi12:51:291:32:189:5430:12
9:43
#23382
20K
12.43 mi13:27:202:08:0910:1935:51
11:32
#24043
Half
13.11 mi13:34:182:15:0710:186:58
10:13
#24014
25K
15.53 mi14:03:012:43:5010:3328:43
11:51
#24272
30K
18.64 mi14:36:253:17:1410:3533:24
10:45
#23962
20M
20.00 mi14:50:383:31:2710:3414:13
10:28
#23795
21M
21.00 mi15:03:183:44:0710:4012:40
12:40
#23812
35K
21.75 mi15:10:523:51:4110:397:34
10:07
#23740
23M
23.00 mi15:25:044:05:5310:4114:12
11:20
#23717
24M
24.00 mi15:36:294:17:1810:4311:25
11:25
#23721
40K
24.85 mi15:45:594:26:4810:449:30
11:07
#23682
25.2M
25.20 mi15:49:494:30:3810:443:50
11:07
#23648
Finish
26.22 mi15:59:074:39:5610:419:18
9:08
#23531
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi239459861986122869(Top 86%)9271(Top 81%)9271(Top 190%)
10K6.21 mi3.10 mi23612+3339683+1789683+17823258(Top 87%)9483(Top 83%)9483(Top 194%)
15K9.32 mi3.11 mi23382+2309547+1369547+13622869(Top 86%)9271(Top 81%)9271(Top 190%)
20K12.43 mi3.11 mi24043-6619917-3709917-37025291(Top 95%)10650(Top 93%)10650(Top 218%)
Half13.11 mi0.68 mi24014+299904+139904+1323697(Top 89%)9739(Top 85%)9739(Top 199%)
25K15.53 mi2.42 mi24272-25810060-15610060-15625025(Top 94%)10526(Top 92%)10526(Top 216%)
30K18.64 mi3.11 mi23962+3109895+1659895+16522707(Top 85%)9305(Top 81%)9305(Top 191%)
20M20.00 mi1.36 mi23795+1679812+839812+8321655(Top 81%)8788(Top 77%)8788(Top 180%)
21M21.00 mi1.00 mi23812-179833-219833-2123674(Top 89%)9907(Top 87%)9907(Top 203%)
35K21.75 mi0.75 mi23740+729796+379796+3721617(Top 81%)8841(Top 77%)8841(Top 181%)
23M23.00 mi1.25 mi23717+239796979622982(Top 86%)9576(Top 84%)9576(Top 196%)
24M24.00 mi1.00 mi23721-49810-149810-1423761(Top 89%)10035(Top 88%)10035(Top 205%)
40K24.85 mi0.85 mi23682+399794+169794+1622595(Top 85%)9450(Top 83%)9450(Top 193%)
25.2M25.20 mi0.35 mi23648+349776+189776+1820766(Top 78%)8472(Top 74%)8472(Top 173%)
Finish26.22 mi1.02 mi23531+1179725+519725+5118613(Top 70%)7243(Top 63%)7243(Top 148%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21stories
+97ft-345ft

Overall

22869

Females

9271

F18-39

9271

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

23258

Females

9483

F18-39

9483

10K→15K

6.2 - 9.3 mi

Top 86%
×3stories
+67ft-78ft

Overall

22869

Females

9271

F18-39

9271

15K→20K

9.3 - 12.4 mi

Top 95%
×5stories
+106ft-86ft

Overall

25291

Females

10650

F18-39

10650

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

23697

Females

9739

F18-39

9739

Half→25K

13.1 - 15.5 mi

Top 94%
×4stories
+66ft-88ft

Overall

25025

Females

10526

F18-39

10526

25K→30K

15.5 - 18.6 mi

Top 85%
×9stories
+181ft-148ft

Overall

22707

Females

9305

F18-39

9305

30K→20M

18.6 - 20.0 mi

Top 81%
×5stories
+64ft-50ft

Overall

21655

Females

8788

F18-39

8788

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

23674

Females

9907

F18-39

9907

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

21617

Females

8841

F18-39

8841

35K→23M

21.8 - 23.0 mi

Top 86%
×5stories
+23ft-63ft

Overall

22982

Females

9576

F18-39

9576

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

23761

Females

10035

F18-39

10035

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22595

Females

9450

F18-39

9450

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20766

Females

8472

F18-39

8472

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

18613

Females

7243

F18-39

7243

Passing Analysis

Category:
Athletes Passed
1660
Passed By
1246
Net Change
+414
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23945
5K → 10K41784+333#23945#23612
10K → 15K26636+230#23612#23382
15K → 20K13674-661#23382#24043
20K → Half389+29#24043#24014
Half → 25K32290-258#24014#24272
25K → 30K3199+310#24272#23962
30K → 20M1670+167#23962#23795
20M → 21M4360-17#23795#23812
21M → 35K753+72#23812#23740
35K → 23M5330+23#23740#23717
23M → 24M3438-4#23717#23721
24M → 40K4910+39#23721#23682
40K → 25.2M351+34#23682#23648
25.2M → Finish1192+117#23648#23531
TOTALS16601246+414
📊

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