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BOSTON MARATHON 2024

Kayla Gretzky

Bib: 28655•F

MA

0:00
0:00
/ mi
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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
32:56
Rank: #24270
Start → 5K
32:56 | 10:36/mi
10K· 6.21 mi
1:08:23
Rank: #24568 (-298)
5K → 10K
35:27 | 11:25/mi
15K· 9.32 mi
1:46:08
Rank: #24729 (-161)
10K → 15K
37:45 | 12:09/mi
20K· 12.43 mi
2:27:04
Rank: #24829 (-100)
15K → 20K
40:56 | 13:11/mi
Half· 13.11 mi
2:35:18
Rank: #24824 (+5)
20K → Half
8:14 | 12:04/mi
25K· 15.53 mi
3:09:31
Rank: #24892 (-68)
Half → 25K
34:13 | 14:07/mi
30K· 18.64 mi
3:57:32
Rank: #25007 (-115)
25K → 30K
48:01 | 15:27/mi
20M
4:17:32
Rank: #24994 (+13)
30K → 20M
20:00 | 14:43/mi
21M
4:33:06
Rank: #24991 (+3)
20M → 21M
15:34 | 15:34/mi
35K· 21.75 mi
4:43:11
Rank: #24958 (+33)
21M → 35K
10:05 | 13:29/mi
23M
5:00:44
Rank: #24932 (+26)
35K → 23M
17:33 | 14:01/mi
24M
5:14:42
Rank: #24924 (+8)
23M → 24M
13:58 | 13:58/mi
40K· 24.85 mi
5:27:08
Rank: #24931 (-7)
24M → 40K
12:26 | 14:33/mi
25.2M
5:32:20
Rank: #24918 (+13)
40K → 25.2M
5:12 | 15:05/mi
Finish· 26.22 mi
5:44:25
Rank: #24874 (+44)
25.2M → Finish
12:05 | 11:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:35:18
Pace11:51 /mi
2nd Half
Distance13.11 mi
Time3:09:07
Pace14:26 /mi
📊Positive Split: 21.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:5632:5610:3632:56
10:36
-
10K
6.21 mi12:29:231:08:2311:0035:27
11:25
+0:49
15K
9.32 mi13:07:081:46:0811:2337:45
12:09
+0:44
20K
12.43 mi13:48:042:27:0411:5040:56
13:11
+1:02
Half
13.11 mi13:56:182:35:1811:518:14
12:04
-1:07
25K
15.53 mi14:30:313:09:3112:1234:13
14:07
+2:03
30K
18.64 mi15:18:323:57:3212:4548:01
15:27
+1:20
20M
20.00 mi15:38:324:17:3212:5320:00
14:43
-0:44
21M
21.00 mi15:54:064:33:0613:0015:34
15:34
+0:51
35K
21.75 mi16:04:114:43:1113:0110:05
13:29
-2:05
23M
23.00 mi16:21:445:00:4413:0517:33
14:01
+0:32
24M
24.00 mi16:35:425:14:4213:0713:58
13:58
-0:03
40K
24.85 mi16:48:085:27:0813:1012:26
14:33
+0:35
25.2M
25.20 mi16:53:205:32:2013:115:12
15:05
+0:32
Finish
26.22 mi17:05:255:44:2513:0912:05
11:51
-3:14

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

10:36 /mi

Average Pace

13:09 /mi

Slowest Pace

15:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:23

49% of race

Time at Steady Pace

1:28:15

26% of race

Time at Slower Pace

1:28:47

26% of race

Average Pace: 13:08 /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 mi11:53:5632:5610:3632:56
10:36
#24270
10K
6.21 mi12:29:231:08:2311:0035:27
11:25
#24568
15K
9.32 mi13:07:081:46:0811:2337:45
12:09
#24729
20K
12.43 mi13:48:042:27:0411:5040:56
13:11
#24829
Half
13.11 mi13:56:182:35:1811:518:14
12:04
#24824
25K
15.53 mi14:30:313:09:3112:1234:13
14:07
#24892
30K
18.64 mi15:18:323:57:3212:4548:01
15:27
#25007
20M
20.00 mi15:38:324:17:3212:5320:00
14:43
#24994
21M
21.00 mi15:54:064:33:0613:0015:34
15:34
#24991
35K
21.75 mi16:04:114:43:1113:0110:05
13:29
#24958
23M
23.00 mi16:21:445:00:4413:0517:33
14:01
#24932
24M
24.00 mi16:35:425:14:4213:0713:58
13:58
#24924
40K
24.85 mi16:48:085:27:0813:1012:26
14:33
#24931
25.2M
25.20 mi16:53:205:32:2013:115:12
15:05
#24918
Finish
26.22 mi17:05:255:44:2513:0912:05
11:51
#24874
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24270101111011124823(Top 97%)10468(Top 96%)10468(Top 225%)
10K6.21 mi3.10 mi24568-29810301-19010301-19024703(Top 97%)10388(Top 95%)10388(Top 223%)
15K9.32 mi3.11 mi24729-16110396-9510396-9524823(Top 97%)10468(Top 96%)10468(Top 225%)
20K12.43 mi3.11 mi24829-10010461-6510461-6524995(Top 98%)10594(Top 97%)10594(Top 227%)
Half13.11 mi0.68 mi24824+510460+110460+124631(Top 96%)10415(Top 95%)10415(Top 223%)
25K15.53 mi2.42 mi24892-6810516-5610516-5624986(Top 98%)10621(Top 97%)10621(Top 228%)
30K18.64 mi3.11 mi25007-11510605-8910605-8925161(Top 98%)10766(Top 99%)10766(Top 231%)
20M20.00 mi1.36 mi24994+1310597+810597+824557(Top 96%)10496(Top 96%)10496(Top 225%)
21M21.00 mi1.00 mi24991+310599-210599-224160(Top 95%)10350(Top 95%)10350(Top 222%)
35K21.75 mi0.75 mi24958+3310586+1310586+1323793(Top 93%)10199(Top 93%)10199(Top 219%)
23M23.00 mi1.25 mi24932+2610575+1110575+1123789(Top 93%)10203(Top 93%)10203(Top 219%)
24M24.00 mi1.00 mi24924+810578-310578-324161(Top 95%)10419(Top 95%)10419(Top 224%)
40K24.85 mi0.85 mi24931-710588-1010588-1024175(Top 95%)10452(Top 96%)10452(Top 224%)
25.2M25.20 mi0.35 mi24918+1310584+410584+423132(Top 91%)9991(Top 91%)9991(Top 214%)
Finish26.22 mi1.02 mi24874+4410569+1510569+1523055(Top 90%)9969(Top 91%)9969(Top 214%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21stories
+97ft-345ft

Overall

24823

Females

10468

F18-39

10468

5K→10K

3.1 - 6.2 mi

Top 97%
×5stories
+79ft-138ft

Overall

24703

Females

10388

F18-39

10388

10K→15K

6.2 - 9.3 mi

Top 97%
×3stories
+67ft-78ft

Overall

24823

Females

10468

F18-39

10468

15K→20K

9.3 - 12.4 mi

Top 98%
×5stories
+106ft-86ft

Overall

24995

Females

10594

F18-39

10594

20K→Half

12.4 - 13.1 mi

Top 96%
×2stories
+19ft-37ft

Overall

24631

Females

10415

F18-39

10415

Half→25K

13.1 - 15.5 mi

Top 98%
×4stories
+66ft-88ft

Overall

24986

Females

10621

F18-39

10621

25K→30K

15.5 - 18.6 mi

Top 98%
×9stories
+181ft-148ft

Overall

25161

Females

10766

F18-39

10766

30K→20M

18.6 - 20.0 mi

Top 96%
×5stories
+64ft-50ft

Overall

24557

Females

10496

F18-39

10496

20M→21M

20.0 - 21.0 mi

Top 95%
×8stories
+106ft-24ft

Overall

24160

Females

10350

F18-39

10350

21M→35K

21.0 - 21.8 mi

Top 93%
×7stories
+17ft-86ft

Overall

23793

Females

10199

F18-39

10199

35K→23M

21.8 - 23.0 mi

Top 93%
×5stories
+23ft-63ft

Overall

23789

Females

10203

F18-39

10203

23M→24M

23.0 - 24.0 mi

Top 95%
×6stories
+12ft-82ft

Overall

24161

Females

10419

F18-39

10419

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

24175

Females

10452

F18-39

10452

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

23132

Females

9991

F18-39

9991

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2stories
+22ft-21ft

Overall

23055

Females

9969

F18-39

9969

Passing Analysis

Category:
Athletes Passed
466
Passed By
1070
Net Change
-604
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24270
5K → 10K59357-298#24270#24568
10K → 15K44205-161#24568#24729
15K → 20K42142-100#24729#24829
20K → Half1914+5#24829#24824
Half → 25K36104-68#24824#24892
25K → 30K28143-115#24892#25007
30K → 20M3320+13#25007#24994
20M → 21M2118+3#24994#24991
21M → 35K418+33#24991#24958
35K → 23M3812+26#24958#24932
23M → 24M2618+8#24932#24924
24M → 40K1623-7#24924#24931
40K → 25.2M174+13#24931#24918
25.2M → Finish462+44#24918#24874
TOTALS4661070-604
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing