Boston Marathon logo
BOSTON MARATHON 2024

Karen Horvath

Bib: 17429•F

CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 44%
Gender (Female)
#0 / 10924
Top 30%
Division (F18-39)
#0 / 4660
Top 47%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:16
Rank: #10676
Start → 5K
23:16 | 7:29/mi
10K· 6.21 mi
46:26
Rank: #10257 (+419)
5K → 10K
23:10 | 7:27/mi
15K· 9.32 mi
1:10:06
Rank: #10342 (-85)
10K → 15K
23:40 | 7:37/mi
20K· 12.43 mi
1:33:59
Rank: #10122 (+220)
15K → 20K
23:53 | 7:41/mi
Half· 13.11 mi
1:39:11
Rank: #10122
20K → Half
5:12 | 7:37/mi
25K· 15.53 mi
1:58:37
Rank: #10064 (+58)
Half → 25K
19:26 | 8:01/mi
30K· 18.64 mi
2:25:38
Rank: #10332 (-268)
25K → 30K
27:01 | 8:42/mi
20M
2:38:06
Rank: #10543 (-211)
30K → 20M
12:28 | 9:10/mi
21M
2:48:42
Rank: #10822 (-279)
20M → 21M
10:36 | 10:36/mi
35K· 21.75 mi
2:55:45
Rank: #11030 (-208)
21M → 35K
7:03 | 9:25/mi
23M
3:07:34
Rank: #11170 (-140)
35K → 23M
11:49 | 9:26/mi
24M
3:16:05
Rank: #11042 (+128)
23M → 24M
8:31 | 8:31/mi
40K· 24.85 mi
3:23:35
Rank: #10946 (+96)
24M → 40K
7:30 | 8:46/mi
25.2M
3:27:04
Rank: #10945 (+1)
40K → 25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
3:36:37
Rank: #11141 (-196)
25.2M → Finish
9:33 | 9:22/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
Time1:39:11
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:57:26
Pace8:57 /mi
📊Positive Split: 18.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:4923:167:2923:16
7:29
-
10K
6.21 mi11:36:5946:267:2823:10
7:27
-0:02
15K
9.32 mi12:00:391:10:067:3123:40
7:37
+0:10
20K
12.43 mi12:24:321:33:597:3423:53
7:41
+0:04
Half
13.11 mi12:29:441:39:117:345:12
7:37
-0:04
25K
15.53 mi12:49:101:58:377:3819:26
8:01
+0:24
30K
18.64 mi13:16:112:25:387:4927:01
8:42
+0:41
20M
20.00 mi13:28:392:38:067:5412:28
9:10
+0:28
21M
21.00 mi13:39:152:48:428:0210:36
10:36
+1:26
35K
21.75 mi13:46:182:55:458:057:03
9:25
-1:11
23M
23.00 mi13:58:073:07:348:0911:49
9:26
+0:01
24M
24.00 mi14:06:383:16:058:108:31
8:31
-0:55
40K
24.85 mi14:14:083:23:358:117:30
8:46
+0:15
25.2M
25.20 mi14:17:373:27:048:133:29
10:06
+1:20
Finish
26.22 mi14:27:103:36:378:169:33
9:22
-0:44

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

7:27 /mi

Average Pace

8:16 /mi

Slowest Pace

10:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:37

55% of race

Time at Steady Pace

55:30

26% of race

Time at Slower Pace

42:30

20% of race

Average Pace: 8:16 /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 mi11:13:4923:167:2923:16
7:29
#10676
10K
6.21 mi11:36:5946:267:2823:10
7:27
#10257
15K
9.32 mi12:00:391:10:067:3123:40
7:37
#10342
20K
12.43 mi12:24:321:33:597:3423:53
7:41
#10122
Half
13.11 mi12:29:441:39:117:345:12
7:37
#10122
25K
15.53 mi12:49:101:58:377:3819:26
8:01
#10064
30K
18.64 mi13:16:112:25:387:4927:01
8:42
#10332
20M
20.00 mi13:28:392:38:067:5412:28
9:10
#10543
21M
21.00 mi13:39:152:48:428:0210:36
10:36
#10822
35K
21.75 mi13:46:182:55:458:057:03
9:25
#11030
23M
23.00 mi13:58:073:07:348:0911:49
9:26
#11170
24M
24.00 mi14:06:383:16:058:108:31
8:31
#11042
40K
24.85 mi14:14:083:23:358:117:30
8:46
#10946
25.2M
25.20 mi14:17:373:27:048:133:29
10:06
#10945
Finish
26.22 mi14:27:103:36:378:169:33
9:22
#11141
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi106762393239310582(Top 41%)2474(Top 23%)2474(Top 53%)
10K6.21 mi3.10 mi10257+4192185+2082185+2089923(Top 39%)2065(Top 19%)2065(Top 44%)
15K9.32 mi3.11 mi10342-852262-772262-7710582(Top 41%)2474(Top 23%)2474(Top 53%)
20K12.43 mi3.11 mi10122+2202213+492213+499680(Top 38%)2167(Top 20%)2167(Top 47%)
Half13.11 mi0.68 mi101222220-72220-710092(Top 39%)2364(Top 22%)2364(Top 51%)
25K15.53 mi2.42 mi10064+582251-312251-3110312(Top 40%)2647(Top 24%)2647(Top 57%)
30K18.64 mi3.11 mi10332-2682498-2472498-24711676(Top 46%)3557(Top 33%)3557(Top 76%)
20M20.00 mi1.36 mi10543-2112653-1552653-15512998(Top 51%)4572(Top 42%)4572(Top 98%)
21M21.00 mi1.00 mi10822-2792854-2012854-20115161(Top 59%)5895(Top 54%)5895(Top 127%)
35K21.75 mi0.75 mi11030-2082990-1362990-13615208(Top 60%)5932(Top 54%)5932(Top 127%)
23M23.00 mi1.25 mi11170-1403129-1393129-13913244(Top 52%)5024(Top 46%)5024(Top 108%)
24M24.00 mi1.00 mi11042+1283109+203109+209577(Top 37%)3232(Top 30%)3232(Top 69%)
40K24.85 mi0.85 mi10946+963099+103099+109758(Top 38%)3452(Top 32%)3452(Top 74%)
25.2M25.20 mi0.35 mi10945+13128-293128-2911354(Top 44%)4254(Top 39%)4254(Top 91%)
Finish26.22 mi1.02 mi11141-1963277-1493277-14915942(Top 62%)6475(Top 59%)6475(Top 139%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21stories
+97ft-345ft

Overall

10582

Females

2474

F18-39

2474

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

9923

Females

2065

F18-39

2065

10K→15K

6.2 - 9.3 mi

Top 41%
×3stories
+67ft-78ft

Overall

10582

Females

2474

F18-39

2474

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

9680

Females

2167

F18-39

2167

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10092

Females

2364

F18-39

2364

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

10312

Females

2647

F18-39

2647

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

11676

Females

3557

F18-39

3557

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

12998

Females

4572

F18-39

4572

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

15161

Females

5895

F18-39

5895

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

15208

Females

5932

F18-39

5932

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

13244

Females

5024

F18-39

5024

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

9577

Females

3232

F18-39

3232

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

9758

Females

3452

F18-39

3452

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11354

Females

4254

F18-39

4254

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

15942

Females

6475

F18-39

6475

Passing Analysis

Category:
Athletes Passed
2162*
Passed By
2624
Net Change
-465
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10676
5K → 10K521*102+419#10676#10257
10K → 15K180265-85#10257#10342
15K → 20K335115+220#10342#10122
20K → Half33330#10122#10122
Half → 25K225166+58#10122#10064
25K → 30K202469-268#10064#10332
30K → 20M78288-211#10332#10543
20M → 21M61340-279#10543#10822
21M → 35K38246-208#10822#11030
35K → 23M95235-140#11030#11170
23M → 24M16335+128#11170#11042
24M → 40K14145+96#11042#10946
40K → 25.2M4746+1#10946#10945
25.2M → Finish43239-196#10945#11141
TOTALS2162*2624-465

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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