Boston Marathon logo
BOSTON MARATHON 2024

Katherine Kocur

Bib: 11514•F

ON

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 42%
Division (F18-39)
#0 / 4660
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:20/mi
22:46
↑ 97↓ 3451.5%
10K· 6.21 mi
7:38/mi
46:29
↑ 79↓ 1380.4%
15K· 9.32 mi
8:09/mi
1:11:48
↑ 67↓ 78
20K· 12.43 mi
8:30/mi
1:38:13
↑ 106↓ 860.1%
Half· 13.11 mi
8:05/mi
1:43:44
↑ 19↓ 370.5%
25K· 15.53 mi
8:52/mi
2:05:14
↑ 66↓ 880.2%
30K· 18.64 mi
9:25/mi
2:34:30
↑ 181↓ 1480.2%
20M
10:03/mi
2:48:10
↑ 64↓ 500.2%
21M
10:10/mi
2:58:20
↑ 106↓ 241.6%
35K· 21.75 mi
9:27/mi
3:05:24
↑ 17↓ 861.7%
23M
9:57/mi
3:17:52
↑ 23↓ 630.6%
24M
9:21/mi
3:27:13
↓ 821.3%
40K· 24.85 mi
8:52/mi
3:34:48
↓ 200.3%
25.2M
9:23/mi
3:38:02
↑ 13↓ 160.2%
Finish· 26.22 mi
8:16/mi
3:46:27
↑ 22↓ 21

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
Time1:43:44
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time2:02:43
Pace9:22 /mi
📊Positive Split: 18.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3522:467:2022:46
7:20
-
10K
6.21 mi11:14:1846:297:2923:43
7:38
+0:18
15K
9.32 mi11:39:371:11:487:4225:19
8:09
+0:31
20K
12.43 mi12:06:021:38:137:5426:25
8:30
+0:21
Half
13.11 mi12:11:331:43:447:555:31
8:05
-0:25
25K
15.53 mi12:33:032:05:148:0421:30
8:52
+0:47
30K
18.64 mi13:02:192:34:308:1729:16
9:25
+0:33
20M
20.00 mi13:15:592:48:108:2413:40
10:03
+0:38
21M
21.00 mi13:26:092:58:208:3010:10
10:10
+0:07
35K
21.75 mi13:33:133:05:248:317:04
9:27
-0:43
23M
23.00 mi13:45:413:17:528:3612:28
9:57
+0:30
24M
24.00 mi13:55:023:27:138:389:21
9:21
-0:36
40K
24.85 mi14:02:373:34:488:397:35
8:52
-0:29
25.2M
25.20 mi14:05:513:38:028:393:14
9:23
+0:31
Finish
26.22 mi14:14:163:46:278:398:25
8:16
-1:07

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

7:20 /mi

Average Pace

8:39 /mi

Slowest Pace

10:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:44

38% of race

Time at Steady Pace

55:30

25% of race

Time at Slower Pace

1:25:13

38% of race

Average Pace: 8:38 /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 mi10:50:3522:467:2022:46
7:20
#9414
10K
6.21 mi11:14:1846:297:2923:43
7:38
#10328
15K
9.32 mi11:39:371:11:487:4225:19
8:09
#11777
20K
12.43 mi12:06:021:38:137:5426:25
8:30
#12674
Half
13.11 mi12:11:331:43:447:555:31
8:05
#12702
25K
15.53 mi12:33:032:05:148:0421:30
8:52
#13147
30K
18.64 mi13:02:192:34:308:1729:16
9:25
#13543
20M
20.00 mi13:15:592:48:108:2413:40
10:03
#13827
21M
21.00 mi13:26:092:58:208:3010:10
10:10
#13799
35K
21.75 mi13:33:133:05:248:317:04
9:27
#13832
23M
23.00 mi13:45:413:17:528:3612:28
9:57
#13967
24M
24.00 mi13:55:023:27:138:389:21
9:21
#13947
40K
24.85 mi14:02:373:34:488:397:35
8:52
#13773
25.2M
25.20 mi14:05:513:38:028:393:14
9:23
#13634
Finish
26.22 mi14:14:163:46:278:398:25
8:16
#13473
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi94141761176114402(Top 56%)4609(Top 42%)4609(Top 99%)
10K6.21 mi3.10 mi10328-9142230-4692230-46911357(Top 44%)2847(Top 26%)2847(Top 61%)
15K9.32 mi3.11 mi11777-14493081-8513081-85114402(Top 56%)4609(Top 42%)4609(Top 99%)
20K12.43 mi3.11 mi12674-8973589-5083589-50814834(Top 58%)4903(Top 45%)4903(Top 105%)
Half13.11 mi0.68 mi12702-283613-243613-2413361(Top 52%)4125(Top 38%)4125(Top 89%)
25K15.53 mi2.42 mi13147-4453890-2773890-27714895(Top 58%)5115(Top 47%)5115(Top 110%)
30K18.64 mi3.11 mi13543-3964218-3284218-32815128(Top 59%)5486(Top 50%)5486(Top 118%)
20M20.00 mi1.36 mi13827-2844439-2214439-22116684(Top 65%)6553(Top 60%)6553(Top 141%)
21M21.00 mi1.00 mi13799+284485-464485-4613614(Top 53%)5103(Top 47%)5103(Top 110%)
35K21.75 mi0.75 mi13832-334538-534538-5315299(Top 60%)5982(Top 55%)5982(Top 128%)
23M23.00 mi1.25 mi13967-1354664-1264664-12615329(Top 60%)6083(Top 56%)6083(Top 131%)
24M24.00 mi1.00 mi13947+204700-364700-3613780(Top 54%)5324(Top 49%)5324(Top 114%)
40K24.85 mi0.85 mi13773+1744646+544646+5410264(Top 40%)3698(Top 34%)3698(Top 79%)
25.2M25.20 mi0.35 mi13634+1394586+604586+608310(Top 33%)2823(Top 26%)2823(Top 61%)
Finish26.22 mi1.02 mi13473+1614537+494537+4910127(Top 40%)3579(Top 33%)3579(Top 77%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14402

Females

4609

F18-39

4609

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

11357

Females

2847

F18-39

2847

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14402

Females

4609

F18-39

4609

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

14834

Females

4903

F18-39

4903

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13361

Females

4125

F18-39

4125

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

14895

Females

5115

F18-39

5115

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

15128

Females

5486

F18-39

5486

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

16684

Females

6553

F18-39

6553

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

13614

Females

5103

F18-39

5103

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

15299

Females

5982

F18-39

5982

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

15329

Females

6083

F18-39

6083

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

13780

Females

5324

F18-39

5324

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10264

Females

3698

F18-39

3698

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8310

Females

2823

F18-39

2823

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

10127

Females

3579

F18-39

3579

Passing Analysis

Category:
Athletes Passed
1483
Passed By
5540
Net Change
-4059
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9414
5K → 10K59971-914#9414#10328
10K → 15K221471-1449#10328#11777
15K → 20K70967-897#11777#12674
20K → Half3664-28#12674#12702
Half → 25K135580-445#12702#13147
25K → 30K164560-396#13147#13543
30K → 20M68352-284#13543#13827
20M → 21M158130+28#13827#13799
21M → 35K80113-33#13799#13832
35K → 23M76211-135#13832#13967
23M → 24M10888+20#13967#13947
24M → 40K19117+174#13947#13773
40K → 25.2M1412+139#13773#13634
25.2M → Finish17514+161#13634#13473
TOTALS14835540-4059
📊

Passing Visuals

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing