Boston Marathon logo
BOSTON MARATHON 2024

Katie Carbiener

Bib: 10236•F

CO

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 18%
Gender (Female)
#0 / 10924
Top 5%
Division (F18-39)
#0 / 4660
Top 10%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:40
Rank: #6892
Start → 5K
21:40 | 6:58/mi
10K· 6.21 mi
43:28
Rank: #6804 (+88)
5K → 10K
21:48 | 7:01/mi
15K· 9.32 mi
1:05:03
Rank: #6475 (+329)
10K → 15K
21:35 | 6:57/mi
20K· 12.43 mi
1:26:42
Rank: #6029 (+446)
15K → 20K
21:39 | 6:58/mi
Half· 13.11 mi
1:31:29
Rank: #6006 (+23)
20K → Half
4:47 | 7:01/mi
25K· 15.53 mi
1:48:53
Rank: #5788 (+218)
Half → 25K
17:24 | 7:11/mi
30K· 18.64 mi
2:12:16
Rank: #5558 (+230)
25K → 30K
23:23 | 7:32/mi
20M
2:22:43
Rank: #5448 (+110)
30K → 20M
10:27 | 7:41/mi
21M
2:30:53
Rank: #5318 (+130)
20M → 21M
8:10 | 8:10/mi
35K· 21.75 mi
2:36:22
Rank: #5218 (+100)
21M → 35K
5:29 | 7:20/mi
23M
2:45:53
Rank: #5029 (+189)
35K → 23M
9:31 | 7:36/mi
24M
2:53:19
Rank: #4884 (+145)
23M → 24M
7:26 | 7:26/mi
40K· 24.85 mi
2:59:55
Rank: #4794 (+90)
24M → 40K
6:36 | 7:43/mi
25.2M
3:02:55
Rank: #4773 (+21)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:10:30
Rank: #4727 (+46)
25.2M → Finish
7:35 | 7:26/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
Time1:31:29
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time1:39:01
Pace7:33 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3521:406:5821:40
6:58
-
10K
6.21 mi11:10:2343:287:0021:48
7:01
+0:03
15K
9.32 mi11:31:581:05:036:5921:35
6:57
-0:04
20K
12.43 mi11:53:371:26:426:5921:39
6:58
+0:01
Half
13.11 mi11:58:241:31:296:594:47
7:01
+0:03
25K
15.53 mi12:15:481:48:537:0117:24
7:11
+0:10
30K
18.64 mi12:39:112:12:167:0623:23
7:32
+0:21
20M
20.00 mi12:49:382:22:437:0810:27
7:41
+0:09
21M
21.00 mi12:57:482:30:537:118:10
8:10
+0:29
35K
21.75 mi13:03:172:36:227:115:29
7:20
-0:50
23M
23.00 mi13:12:482:45:537:139:31
7:36
+0:16
24M
24.00 mi13:20:142:53:197:137:26
7:26
-0:10
40K
24.85 mi13:26:502:59:557:146:36
7:43
+0:17
25.2M
25.20 mi13:29:503:02:557:163:00
8:42
+0:59
Finish
26.22 mi13:37:253:10:307:167:35
7:26
-1:16

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

6:57 /mi

Average Pace

7:16 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:53

57% of race

Time at Steady Pace

53:24

28% of race

Time at Slower Pace

28:13

15% of race

Average Pace: 7:16 /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 mi10:48:3521:406:5821:40
6:58
#6892
10K
6.21 mi11:10:2343:287:0021:48
7:01
#6804
15K
9.32 mi11:31:581:05:036:5921:35
6:57
#6475
20K
12.43 mi11:53:371:26:426:5921:39
6:58
#6029
Half
13.11 mi11:58:241:31:296:594:47
7:01
#6006
25K
15.53 mi12:15:481:48:537:0117:24
7:11
#5788
30K
18.64 mi12:39:112:12:167:0623:23
7:32
#5558
20M
20.00 mi12:49:382:22:437:0810:27
7:41
#5448
21M
21.00 mi12:57:482:30:537:118:10
8:10
#5318
35K
21.75 mi13:03:172:36:227:115:29
7:20
#5218
23M
23.00 mi13:12:482:45:537:139:31
7:36
#5029
24M
24.00 mi13:20:142:53:197:137:26
7:26
#4884
40K
24.85 mi13:26:502:59:557:146:36
7:43
#4794
25.2M
25.20 mi13:29:503:02:557:163:00
8:42
#4773
Finish
26.22 mi13:37:253:10:307:167:35
7:26
#4727
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi68927857855901(Top 23%)575(Top 5%)575(Top 12%)
10K6.21 mi3.10 mi6804+88783+2783+26790(Top 27%)804(Top 7%)804(Top 17%)
15K9.32 mi3.11 mi6475+329708+75708+755901(Top 23%)575(Top 5%)575(Top 12%)
20K12.43 mi3.11 mi6029+446598+110598+1105069(Top 20%)434(Top 4%)434(Top 9%)
Half13.11 mi0.68 mi6006+23597+1597+15875(Top 23%)620(Top 6%)620(Top 13%)
25K15.53 mi2.42 mi5788+218569+28569+285189(Top 20%)566(Top 5%)566(Top 12%)
30K18.64 mi3.11 mi5558+230580-11580-115226(Top 20%)702(Top 6%)702(Top 15%)
20M20.00 mi1.36 mi5448+110571+9571+95164(Top 20%)801(Top 7%)801(Top 17%)
21M21.00 mi1.00 mi5318+130562+9562+94800(Top 19%)813(Top 7%)813(Top 17%)
35K21.75 mi0.75 mi5218+100552+10552+104306(Top 17%)620(Top 6%)620(Top 13%)
23M23.00 mi1.25 mi5029+189535+17535+174019(Top 16%)612(Top 6%)612(Top 13%)
24M24.00 mi1.00 mi4884+145527+8527+83911(Top 15%)649(Top 6%)649(Top 14%)
40K24.85 mi0.85 mi4794+90528-1528-14442(Top 17%)951(Top 9%)951(Top 20%)
25.2M25.20 mi0.35 mi4773+21531-3531-35268(Top 21%)1371(Top 13%)1371(Top 29%)
Finish26.22 mi1.02 mi4727+46545-14545-145294(Top 21%)1307(Top 12%)1307(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

5901

Females

575

F18-39

575

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

6790

Females

804

F18-39

804

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

5901

Females

575

F18-39

575

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5069

Females

434

F18-39

434

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

5875

Females

620

F18-39

620

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5189

Females

566

F18-39

566

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5226

Females

702

F18-39

702

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5164

Females

801

F18-39

801

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

4800

Females

813

F18-39

813

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4306

Females

620

F18-39

620

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4019

Females

612

F18-39

612

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

3911

Females

649

F18-39

649

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4442

Females

951

F18-39

951

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5268

Females

1371

F18-39

1371

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5294

Females

1307

F18-39

1307

Passing Analysis

Category:
Athletes Passed
2674
Passed By
509
Net Change
+2165
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6892
5K → 10K234146+88#6892#6804
10K → 15K35526+329#6804#6475
15K → 20K45711+446#6475#6029
20K → Half4017+23#6029#6006
Half → 25K26749+218#6006#5788
25K → 30K32090+230#5788#5558
30K → 20M14636+110#5558#5448
20M → 21M16131+130#5448#5318
21M → 35K1099+100#5318#5218
35K → 23M20415+189#5218#5029
23M → 24M15611+145#5029#4884
24M → 40K10515+90#4884#4794
40K → 25.2M3312+21#4794#4773
25.2M → Finish8741+46#4773#4727
TOTALS2674509+2165
📊

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