Boston Marathon logo
BOSTON MARATHON 2024

Karen Cathell

Bib: 7953•F

MD

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 47%
Masters (Masters Women)
#0 / 6263
Top 38%
Division (F40-44)
#0 / 1613
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:23
Rank: #19338
Start → 5K
27:23 | 8:49/mi
10K· 6.21 mi
55:33
Rank: #19652 (-314)
5K → 10K
28:10 | 9:04/mi
15K· 9.32 mi
1:22:30
Rank: #18925 (+727)
10K → 15K
26:57 | 8:40/mi
20K· 12.43 mi
1:49:01
Rank: #17889 (+1036)
15K → 20K
26:31 | 8:32/mi
Half· 13.11 mi
1:54:47
Rank: #17758 (+131)
20K → Half
5:46 | 8:27/mi
25K· 15.53 mi
2:15:43
Rank: #17026 (+732)
Half → 25K
20:56 | 8:38/mi
30K· 18.64 mi
2:43:22
Rank: #16224 (+802)
25K → 30K
27:39 | 8:54/mi
20M
2:55:40
Rank: #15939 (+285)
30K → 20M
12:18 | 9:03/mi
21M
3:05:18
Rank: #15681 (+258)
20M → 21M
9:38 | 9:38/mi
35K· 21.75 mi
3:12:04
Rank: #15588 (+93)
21M → 35K
6:46 | 9:03/mi
23M
3:23:30
Rank: #15356 (+232)
35K → 23M
11:26 | 9:08/mi
24M
3:32:22
Rank: #15177 (+179)
23M → 24M
8:52 | 8:52/mi
40K· 24.85 mi
3:39:55
Rank: #14920 (+257)
24M → 40K
7:33 | 8:50/mi
25.2M
3:43:22
Rank: #14830 (+90)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
3:51:56
Rank: #14650 (+180)
25.2M → Finish
8:34 | 8:24/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
Time1:54:47
Pace8:45 /mi
2nd Half
Distance13.11 mi
Time1:57:09
Pace8:56 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:34:2327:238:4927:23
8:49
-
10K
6.21 mi11:02:3355:338:5628:10
9:04
+0:15
15K
9.32 mi11:29:301:22:308:5126:57
8:40
-0:24
20K
12.43 mi11:56:011:49:018:4626:31
8:32
-0:08
Half
13.11 mi12:01:471:54:478:455:46
8:27
-0:05
25K
15.53 mi12:22:432:15:438:4420:56
8:38
+0:11
30K
18.64 mi12:50:222:43:228:4627:39
8:54
+0:16
20M
20.00 mi13:02:402:55:408:4712:18
9:03
+0:09
21M
21.00 mi13:12:183:05:188:499:38
9:38
+0:35
35K
21.75 mi13:19:043:12:048:506:46
9:03
-0:35
23M
23.00 mi13:30:303:23:308:5111:26
9:08
+0:05
24M
24.00 mi13:39:223:32:228:518:52
8:52
-0:16
40K
24.85 mi13:46:553:39:558:517:33
8:50
-0:02
25.2M
25.20 mi13:50:223:43:228:523:27
10:00
+1:10
Finish
26.22 mi13:58:563:51:568:518:34
8:24
-1:36

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

8:24 /mi

Average Pace

8:51 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:38:51

94% of race

Time at Steady Pace

9:38

4% of race

Time at Slower Pace

3:27

1% of race

Average Pace: 8:51 /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 mi10:34:2327:238:4927:23
8:49
#19338
10K
6.21 mi11:02:3355:338:5628:10
9:04
#19652
15K
9.32 mi11:29:301:22:308:5126:57
8:40
#18925
20K
12.43 mi11:56:011:49:018:4626:31
8:32
#17889
Half
13.11 mi12:01:471:54:478:455:46
8:27
#17758
25K
15.53 mi12:22:432:15:438:4420:56
8:38
#17026
30K
18.64 mi12:50:222:43:228:4627:39
8:54
#16224
20M
20.00 mi13:02:402:55:408:4712:18
9:03
#15939
21M
21.00 mi13:12:183:05:188:499:38
9:38
#15681
35K
21.75 mi13:19:043:12:048:506:46
9:03
#15588
23M
23.00 mi13:30:303:23:308:5111:26
9:08
#15356
24M
24.00 mi13:39:223:32:228:518:52
8:52
#15177
40K
24.85 mi13:46:553:39:558:517:33
8:50
#14920
25.2M
25.20 mi13:50:223:43:228:523:27
10:00
#14830
Finish
26.22 mi13:58:563:51:568:518:34
8:24
#14650
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi193387546754617354(Top 68%)6348(Top 58%)6348(Top 394%)
10K6.21 mi3.10 mi19652-3147672-1267672-12620006(Top 78%)7829(Top 72%)7829(Top 485%)
15K9.32 mi3.11 mi18925+7277259+4137259+41317354(Top 68%)6348(Top 58%)6348(Top 394%)
20K12.43 mi3.11 mi17889+10366679+5806679+58014994(Top 59%)5008(Top 46%)5008(Top 310%)
Half13.11 mi0.68 mi17758+1316608+716608+7115472(Top 61%)5315(Top 49%)5315(Top 330%)
25K15.53 mi2.42 mi17026+7326211+3976211+39713779(Top 54%)4488(Top 41%)4488(Top 278%)
30K18.64 mi3.11 mi16224+8025807+4045807+40412759(Top 50%)4149(Top 38%)4149(Top 257%)
20M20.00 mi1.36 mi15939+2855672+1355672+13512432(Top 49%)4260(Top 39%)4260(Top 264%)
21M21.00 mi1.00 mi15681+2585569+1035569+10311439(Top 45%)3980(Top 36%)3980(Top 247%)
35K21.75 mi0.75 mi15588+935542+275542+2713543(Top 53%)5089(Top 47%)5089(Top 315%)
23M23.00 mi1.25 mi15356+2325454+885454+8811861(Top 46%)4336(Top 40%)4336(Top 269%)
24M24.00 mi1.00 mi15177+1795388+665388+6611512(Top 45%)4180(Top 38%)4180(Top 259%)
40K24.85 mi0.85 mi14920+2575283+1055283+10510086(Top 39%)3618(Top 33%)3618(Top 224%)
25.2M25.20 mi0.35 mi14830+905250+335250+3311033(Top 43%)4131(Top 38%)4131(Top 256%)
Finish26.22 mi1.02 mi14650+1805179+715179+7111030(Top 43%)4008(Top 37%)4008(Top 248%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

17354

Females

6348

F40-44

6348

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

20006

Females

7829

F40-44

7829

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

17354

Females

6348

F40-44

6348

15K→20K

9.3 - 12.4 mi

Top 59%
×5stories
+106ft-86ft

Overall

14994

Females

5008

F40-44

5008

20K→Half

12.4 - 13.1 mi

Top 61%
×2stories
+19ft-37ft

Overall

15472

Females

5315

F40-44

5315

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

13779

Females

4488

F40-44

4488

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

12759

Females

4149

F40-44

4149

30K→20M

18.6 - 20.0 mi

Top 49%
×5stories
+64ft-50ft

Overall

12432

Females

4260

F40-44

4260

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

11439

Females

3980

F40-44

3980

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

13543

Females

5089

F40-44

5089

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

11861

Females

4336

F40-44

4336

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

11512

Females

4180

F40-44

4180

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10086

Females

3618

F40-44

3618

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11033

Females

4131

F40-44

4131

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

11030

Females

4008

F40-44

4008

Passing Analysis

Category:
Athletes Passed
5258
Passed By
570
Net Change
+4688
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19338
5K → 10K139453-314#19338#19652
10K → 15K74114+727#19652#18925
15K → 20K10382+1036#18925#17889
20K → Half1343+131#17889#17758
Half → 25K7364+732#17758#17026
25K → 30K8086+802#17026#16224
30K → 20M29510+285#16224#15939
20M → 21M27315+258#15939#15681
21M → 35K11522+93#15681#15588
35K → 23M24715+232#15588#15356
23M → 24M1845+179#15356#15177
24M → 40K2592+257#15177#14920
40K → 25.2M966+90#14920#14830
25.2M → Finish19313+180#14830#14650
TOTALS5258570+4688
📊

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