Boston Marathon logo
BOSTON MARATHON 2024

Katherine Butts

Bib: 29264•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Division (F18-39)
#0 / 4660
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:52
Rank: #19952
Start → 5K
27:52 | 8:58/mi
10K· 6.21 mi
56:27
Rank: #20214 (-262)
5K → 10K
28:35 | 9:12/mi
15K· 9.32 mi
1:28:02
Rank: #21065 (-851)
10K → 15K
31:35 | 10:10/mi
20K· 12.43 mi
1:59:29
Rank: #20982 (+83)
15K → 20K
31:27 | 10:07/mi
Half· 13.11 mi
2:05:43
Rank: #20871 (+111)
20K → Half
6:14 | 9:08/mi
25K· 15.53 mi
2:29:10
Rank: #20422 (+449)
Half → 25K
23:27 | 9:40/mi
30K· 18.64 mi
2:59:18
Rank: #19742 (+680)
25K → 30K
30:08 | 9:42/mi
20M
3:12:41
Rank: #19444 (+298)
30K → 20M
13:23 | 9:51/mi
21M
3:24:17
Rank: #19340 (+104)
20M → 21M
11:36 | 11:36/mi
35K· 21.75 mi
3:31:44
Rank: #19229 (+111)
21M → 35K
7:27 | 9:57/mi
23M
3:44:30
Rank: #19016 (+213)
35K → 23M
12:46 | 10:12/mi
24M
3:54:47
Rank: #18906 (+110)
23M → 24M
10:17 | 10:17/mi
40K· 24.85 mi
4:03:27
Rank: #18762 (+144)
24M → 40K
8:40 | 10:08/mi
25.2M
4:07:07
Rank: #18690 (+72)
40K → 25.2M
3:40 | 10:38/mi
Finish· 26.22 mi
4:16:28
Rank: #18550 (+140)
25.2M → Finish
9:21 | 9:11/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
Time2:05:43
Pace9:35 /mi
2nd Half
Distance13.11 mi
Time2:10:45
Pace9:58 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:3027:528:5827:52
8:58
-
10K
6.21 mi12:22:0556:279:0528:35
9:12
+0:14
15K
9.32 mi12:53:401:28:029:2731:35
10:10
+0:58
20K
12.43 mi13:25:071:59:299:3731:27
10:07
-0:03
Half
13.11 mi13:31:212:05:439:356:14
9:08
-0:59
25K
15.53 mi13:54:482:29:109:3623:27
9:40
+0:32
30K
18.64 mi14:24:562:59:189:3730:08
9:42
+0:02
20M
20.00 mi14:38:193:12:419:3813:23
9:51
+0:09
21M
21.00 mi14:49:553:24:179:4411:36
11:36
+1:45
35K
21.75 mi14:57:223:31:449:447:27
9:57
-1:39
23M
23.00 mi15:10:083:44:309:4612:46
10:12
+0:15
24M
24.00 mi15:20:253:54:479:4710:17
10:17
+0:05
40K
24.85 mi15:29:054:03:279:488:40
10:08
-0:09
25.2M
25.20 mi15:32:454:07:079:483:40
10:38
+0:30
Finish
26.22 mi15:42:064:16:289:479:21
9:11
-1:27

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

8:58 /mi

Average Pace

9:47 /mi

Slowest Pace

11:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:02

28% of race

Time at Steady Pace

2:38:53

62% of race

Time at Slower Pace

25:33

10% of race

Average Pace: 9:47 /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 mi11:53:3027:528:5827:52
8:58
#19952
10K
6.21 mi12:22:0556:279:0528:35
9:12
#20214
15K
9.32 mi12:53:401:28:029:2731:35
10:10
#21065
20K
12.43 mi13:25:071:59:299:3731:27
10:07
#20982
Half
13.11 mi13:31:212:05:439:356:14
9:08
#20871
25K
15.53 mi13:54:482:29:109:3623:27
9:40
#20422
30K
18.64 mi14:24:562:59:189:3730:08
9:42
#19742
20M
20.00 mi14:38:193:12:419:3813:23
9:51
#19444
21M
21.00 mi14:49:553:24:179:4411:36
11:36
#19340
35K
21.75 mi14:57:223:31:449:447:27
9:57
#19229
23M
23.00 mi15:10:083:44:309:4612:46
10:12
#19016
24M
24.00 mi15:20:253:54:479:4710:17
10:17
#18906
40K
24.85 mi15:29:054:03:279:488:40
10:08
#18762
25.2M
25.20 mi15:32:454:07:079:483:40
10:38
#18690
Finish
26.22 mi15:42:064:16:289:479:21
9:11
#18550
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi199527856785622263(Top 87%)9017(Top 83%)9017(Top 193%)
10K6.21 mi3.10 mi20214-2627971-1157971-11520497(Top 80%)8099(Top 74%)8099(Top 174%)
15K9.32 mi3.11 mi21065-8518400-4298400-42922263(Top 87%)9017(Top 83%)9017(Top 193%)
20K12.43 mi3.11 mi20982+838343+578343+5720845(Top 82%)8262(Top 76%)8262(Top 177%)
Half13.11 mi0.68 mi20871+1118288+558288+5518867(Top 74%)7257(Top 66%)7257(Top 156%)
25K15.53 mi2.42 mi20422+4498068+2208068+22018121(Top 71%)6898(Top 63%)6898(Top 148%)
30K18.64 mi3.11 mi19742+6807757+3117757+31116257(Top 64%)6106(Top 56%)6106(Top 131%)
20M20.00 mi1.36 mi19444+2987640+1177640+11715964(Top 62%)6192(Top 57%)6192(Top 133%)
21M21.00 mi1.00 mi19340+1047608+327608+3217907(Top 70%)7284(Top 67%)7284(Top 156%)
35K21.75 mi0.75 mi19229+1117563+457563+4517033(Top 67%)6871(Top 63%)6871(Top 147%)
23M23.00 mi1.25 mi19016+2137471+927471+9216116(Top 63%)6459(Top 59%)6459(Top 139%)
24M24.00 mi1.00 mi18906+1107430+417430+4117239(Top 67%)7080(Top 65%)7080(Top 152%)
40K24.85 mi0.85 mi18762+1447376+547376+5415518(Top 61%)6274(Top 57%)6274(Top 135%)
25.2M25.20 mi0.35 mi18690+727350+267350+2613337(Top 52%)5261(Top 48%)5261(Top 113%)
Finish26.22 mi1.02 mi18550+1407308+427308+4215069(Top 59%)6021(Top 55%)6021(Top 129%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21stories
+97ft-345ft

Overall

22263

Females

9017

F18-39

9017

5K→10K

3.1 - 6.2 mi

Top 80%
×5stories
+79ft-138ft

Overall

20497

Females

8099

F18-39

8099

10K→15K

6.2 - 9.3 mi

Top 87%
×3stories
+67ft-78ft

Overall

22263

Females

9017

F18-39

9017

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

20845

Females

8262

F18-39

8262

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

18867

Females

7257

F18-39

7257

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

18121

Females

6898

F18-39

6898

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

16257

Females

6106

F18-39

6106

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

15964

Females

6192

F18-39

6192

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

17907

Females

7284

F18-39

7284

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

17033

Females

6871

F18-39

6871

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

16116

Females

6459

F18-39

6459

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

17239

Females

7080

F18-39

7080

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

15518

Females

6274

F18-39

6274

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13337

Females

5261

F18-39

5261

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

15069

Females

6021

F18-39

6021

Passing Analysis

Category:
Athletes Passed
2960
Passed By
1558
Net Change
+1402
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19952
5K → 10K169431-262#19952#20214
10K → 15K38889-851#20214#21065
15K → 20K224141+83#21065#20982
20K → Half1132+111#20982#20871
Half → 25K4523+449#20871#20422
25K → 30K6822+680#20422#19742
30K → 20M2980+298#19742#19444
20M → 21M13834+104#19444#19340
21M → 35K12514+111#19340#19229
35K → 23M22512+213#19229#19016
23M → 24M12919+110#19016#18906
24M → 40K1473+144#18906#18762
40K → 25.2M753+72#18762#18690
25.2M → Finish1455+140#18690#18550
TOTALS29601558+1402
📊

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