Boston Marathon logo
BOSTON MARATHON 2025

Kayla Strong

Bib: 4024•F

UT

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 7%
Gender (Female)
#0 / 12228
Top 0.8%
Division (F18-39)
#0 / 5469
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:42
Rank: #2715
Start → 5K
19:42 | 6:20/mi
10K· 6.21 mi
39:23
Rank: #2671 (+44)
5K → 10K
19:41 | 6:20/mi
15K· 9.32 mi
58:50
Rank: #2467 (+204)
10K → 15K
19:27 | 6:16/mi
20K· 12.43 mi
1:18:31
Rank: #2357 (+110)
15K → 20K
19:41 | 6:20/mi
Half· 13.11 mi
1:22:50
Rank: #2368 (-11)
20K → Half
4:19 | 6:20/mi
25K· 15.53 mi
1:38:12
Rank: #2300 (+68)
Half → 25K
15:22 | 6:20/mi
30K· 18.64 mi
1:58:13
Rank: #2148 (+152)
25K → 30K
20:01 | 6:27/mi
20M
2:07:06
Rank: #2099 (+49)
30K → 20M
8:53 | 6:32/mi
21M
2:13:52
Rank: #2040 (+59)
20M → 21M
6:46 | 6:46/mi
35K· 21.75 mi
2:18:38
Rank: #2013 (+27)
21M → 35K
4:46 | 6:22/mi
23M
2:26:54
Rank: #1967 (+46)
35K → 23M
8:16 | 6:36/mi
24M
2:33:23
Rank: #1933 (+34)
23M → 24M
6:29 | 6:29/mi
40K· 24.85 mi
2:39:00
Rank: #1903 (+30)
24M → 40K
5:37 | 6:34/mi
25.2M
2:41:29
Rank: #1898 (+5)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
2:48:11
Rank: #1922 (-24)
25.2M → Finish
6:42 | 6:34/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
Time1:22:50
Pace6:19 /mi
2nd Half
Distance13.11 mi
Time1:25:21
Pace6:31 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:1519:426:2019:42
6:20
-
10K
6.21 mi10:41:5639:236:2019:41
6:20
0:00
15K
9.32 mi11:01:2358:506:1919:27
6:16
-0:04
20K
12.43 mi11:21:041:18:316:1919:41
6:20
+0:04
Half
13.11 mi11:25:231:22:506:194:19
6:20
0:00
25K
15.53 mi11:40:451:38:126:1915:22
6:20
0:00
30K
18.64 mi12:00:461:58:136:2120:01
6:27
+0:07
20M
20.00 mi12:09:392:07:066:218:53
6:32
+0:05
21M
21.00 mi12:16:252:13:526:226:46
6:46
+0:14
35K
21.75 mi12:21:112:18:386:224:46
6:22
-0:24
23M
23.00 mi12:29:272:26:546:238:16
6:36
+0:14
24M
24.00 mi12:35:562:33:236:236:29
6:29
-0:07
40K
24.85 mi12:41:332:39:006:245:37
6:34
+0:05
25.2M
25.20 mi12:44:022:41:296:242:29
7:12
+0:38
Finish
26.22 mi12:50:442:48:116:256:42
6:34
-0:38

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

6:16 /mi

Average Pace

6:25 /mi

Slowest Pace

7:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:42

99% of race

Time at Steady Pace

2:29

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:25 /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 mi10:22:1519:426:2019:42
6:20
#2715
10K
6.21 mi10:41:5639:236:2019:41
6:20
#2671
15K
9.32 mi11:01:2358:506:1919:27
6:16
#2467
20K
12.43 mi11:21:041:18:316:1919:41
6:20
#2357
Half
13.11 mi11:25:231:22:506:194:19
6:20
#2368
25K
15.53 mi11:40:451:38:126:1915:22
6:20
#2300
30K
18.64 mi12:00:461:58:136:2120:01
6:27
#2148
20M
20.00 mi12:09:392:07:066:218:53
6:32
#2099
21M
21.00 mi12:16:252:13:526:226:46
6:46
#2040
35K
21.75 mi12:21:112:18:386:224:46
6:22
#2013
23M
23.00 mi12:29:272:26:546:238:16
6:36
#1967
24M
24.00 mi12:35:562:33:236:236:29
6:29
#1933
40K
24.85 mi12:41:332:39:006:245:37
6:34
#1903
25.2M
25.20 mi12:44:022:41:296:242:29
7:12
#1898
Finish
26.22 mi12:50:442:48:116:256:42
6:34
#1922
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27151201202168(Top 8%)94(Top 0.8%)94(Top 2%)
10K6.21 mi3.10 mi2671+44121-1121-12660(Top 9%)117(Top 1.0%)117(Top 2%)
15K9.32 mi3.11 mi2467+204106+15106+152168(Top 8%)94(Top 0.8%)94(Top 2%)
20K12.43 mi3.11 mi2357+110101+5101+52208(Top 8%)96(Top 0.8%)96(Top 2%)
Half13.11 mi0.68 mi2368-11103-2103-22724(Top 10%)113(Top 0.9%)113(Top 2%)
25K15.53 mi2.42 mi2300+6897+697+62064(Top 7%)91(Top 0.7%)91(Top 2%)
30K18.64 mi3.11 mi2148+15295+295+21747(Top 6%)81(Top 0.7%)81(Top 1%)
20M20.00 mi1.36 mi2099+4995951785(Top 6%)89(Top 0.7%)89(Top 2%)
21M21.00 mi1.00 mi2040+5992+392+31440(Top 5%)74(Top 0.6%)74(Top 1%)
35K21.75 mi0.75 mi2013+2793-193-11946(Top 7%)112(Top 0.9%)112(Top 2%)
23M23.00 mi1.25 mi1967+4693931870(Top 7%)112(Top 0.9%)112(Top 2%)
24M24.00 mi1.00 mi1933+3493932009(Top 7%)136(Top 1%)136(Top 2%)
40K24.85 mi0.85 mi1903+3093931893(Top 7%)140(Top 1%)140(Top 3%)
25.2M25.20 mi0.35 mi1898+594-194-12211(Top 8%)204(Top 2%)204(Top 4%)
Finish26.22 mi1.02 mi1922-2495-195-13226(Top 11%)359(Top 3%)359(Top 7%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2168

Females

94

F18-39

94

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2660

Females

117

F18-39

117

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2168

Females

94

F18-39

94

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2208

Females

96

F18-39

96

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2724

Females

113

F18-39

113

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

2064

Females

91

F18-39

91

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1747

Females

81

F18-39

81

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1785

Females

89

F18-39

89

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1440

Females

74

F18-39

74

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1946

Females

112

F18-39

112

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1870

Females

112

F18-39

112

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

2009

Females

136

F18-39

136

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1893

Females

140

F18-39

140

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2211

Females

204

F18-39

204

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3226

Females

359

F18-39

359

Passing Analysis

Category:
Athletes Passed
1120
Passed By
327
Net Change
+793
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2715
5K → 10K13995+44#2715#2671
10K → 15K22016+204#2671#2467
15K → 20K13424+110#2467#2357
20K → Half617-11#2357#2368
Half → 25K8719+68#2368#2300
25K → 30K16917+152#2300#2148
30K → 20M6112+49#2148#2099
20M → 21M6910+59#2099#2040
21M → 35K3811+27#2040#2013
35K → 23M7226+46#2013#1967
23M → 24M5016+34#1967#1933
24M → 40K4414+30#1933#1903
40K → 25.2M94+5#1903#1898
25.2M → Finish2246-24#1898#1922
TOTALS1120327+793
📊

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