Boston Marathon logo
BOSTON MARATHON 2025

Laura Young

Bib: 10260•F

CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 37%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:37
Rank: #10181
Start → 5K
22:37 | 7:17/mi
10K· 6.21 mi
45:35
Rank: #10653 (-472)
5K → 10K
22:58 | 7:24/mi
15K· 9.32 mi
1:09:35
Rank: #11677 (-1024)
10K → 15K
24:00 | 7:43/mi
20K· 12.43 mi
1:34:17
Rank: #12377 (-700)
15K → 20K
24:42 | 7:57/mi
Half· 13.11 mi
1:39:25
Rank: #12359 (+18)
20K → Half
5:08 | 7:31/mi
25K· 15.53 mi
1:59:16
Rank: #12829 (-470)
Half → 25K
19:51 | 8:11/mi
30K· 18.64 mi
2:25:08
Rank: #12958 (-129)
25K → 30K
25:52 | 8:20/mi
20M
2:37:42
Rank: #13413 (-455)
30K → 20M
12:34 | 9:15/mi
21M
2:46:45
Rank: #13401 (+12)
20M → 21M
9:03 | 9:03/mi
35K· 21.75 mi
2:52:57
Rank: #13428 (-27)
21M → 35K
6:12 | 8:17/mi
23M
3:04:17
Rank: #13614 (-186)
35K → 23M
11:20 | 9:03/mi
24M
3:13:31
Rank: #13915 (-301)
23M → 24M
9:14 | 9:14/mi
40K· 24.85 mi
3:21:49
Rank: #14191 (-276)
24M → 40K
8:18 | 9:42/mi
25.2M
3:25:36
Rank: #14320 (-129)
40K → 25.2M
3:47 | 10:58/mi
Finish· 26.22 mi
3:34:04
Rank: #14315 (+5)
25.2M → Finish
8:28 | 8:19/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
Time1:39:25
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:54:39
Pace8:45 /mi
📊Positive Split: 15.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:0022:377:1722:37
7:17
-
10K
6.21 mi11:11:5845:357:2022:58
7:24
+0:07
15K
9.32 mi11:35:581:09:357:2824:00
7:43
+0:19
20K
12.43 mi12:00:401:34:177:3524:42
7:57
+0:14
Half
13.11 mi12:05:481:39:257:355:08
7:31
-0:26
25K
15.53 mi12:25:391:59:167:4119:51
8:11
+0:40
30K
18.64 mi12:51:312:25:087:4725:52
8:20
+0:09
20M
20.00 mi13:04:052:37:427:5312:34
9:15
+0:55
21M
21.00 mi13:13:082:46:457:569:03
9:03
-0:12
35K
21.75 mi13:19:202:52:577:576:12
8:17
-0:46
23M
23.00 mi13:30:403:04:178:0111:20
9:03
+0:46
24M
24.00 mi13:39:543:13:318:049:14
9:14
+0:11
40K
24.85 mi13:48:123:21:498:078:18
9:42
+0:28
25.2M
25.20 mi13:51:593:25:368:103:47
10:58
+1:16
Finish
26.22 mi14:00:273:34:048:108:28
8:19
-2:39

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

7:17 /mi

Average Pace

8:10 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:43

35% of race

Time at Steady Pace

1:25:05

40% of race

Time at Slower Pace

54:16

25% of race

Average Pace: 8:10 /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 mi10:49:0022:377:1722:37
7:17
#10181
10K
6.21 mi11:11:5845:357:2022:58
7:24
#10653
15K
9.32 mi11:35:581:09:357:2824:00
7:43
#11677
20K
12.43 mi12:00:401:34:177:3524:42
7:57
#12377
Half
13.11 mi12:05:481:39:257:355:08
7:31
#12359
25K
15.53 mi12:25:391:59:167:4119:51
8:11
#12829
30K
18.64 mi12:51:312:25:087:4725:52
8:20
#12958
20M
20.00 mi13:04:052:37:427:5312:34
9:15
#13413
21M
21.00 mi13:13:082:46:457:569:03
9:03
#13401
35K
21.75 mi13:19:202:52:577:576:12
8:17
#13428
23M
23.00 mi13:30:403:04:178:0111:20
9:03
#13614
24M
24.00 mi13:39:543:13:318:049:14
9:14
#13915
40K
24.85 mi13:48:123:21:498:078:18
9:42
#14191
25.2M
25.20 mi13:51:593:25:368:103:47
10:58
#14320
Finish
26.22 mi14:00:273:34:048:108:28
8:19
#14315
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi101811890189013758(Top 48%)3876(Top 32%)3876(Top 71%)
10K6.21 mi3.10 mi10653-4722141-2512141-25111147(Top 39%)2391(Top 20%)2391(Top 44%)
15K9.32 mi3.11 mi11677-10242661-5202661-52013758(Top 48%)3876(Top 32%)3876(Top 71%)
20K12.43 mi3.11 mi12377-7003075-4143075-41414555(Top 51%)4398(Top 36%)4398(Top 80%)
Half13.11 mi0.68 mi12359+183074+13074+112037(Top 42%)2987(Top 24%)2987(Top 55%)
25K15.53 mi2.42 mi12829-4703378-3043378-30415239(Top 54%)4867(Top 40%)4867(Top 89%)
30K18.64 mi3.11 mi12958-1293528-1503528-15013666(Top 48%)4179(Top 34%)4179(Top 76%)
20M20.00 mi1.36 mi13413-4553812-2843812-28418031(Top 63%)6726(Top 55%)6726(Top 123%)
21M21.00 mi1.00 mi13401+123834-223834-2213826(Top 49%)4532(Top 37%)4532(Top 83%)
35K21.75 mi0.75 mi13428-273878-443878-4414200(Top 50%)4788(Top 39%)4788(Top 88%)
23M23.00 mi1.25 mi13614-1864021-1434021-14316554(Top 58%)6195(Top 51%)6195(Top 113%)
24M24.00 mi1.00 mi13915-3014211-1904211-19018511(Top 65%)7295(Top 60%)7295(Top 133%)
40K24.85 mi0.85 mi14191-2764384-1734384-17319507(Top 69%)7890(Top 65%)7890(Top 144%)
25.2M25.20 mi0.35 mi14320-1294462-784462-7820538(Top 72%)8416(Top 69%)8416(Top 154%)
Finish26.22 mi1.02 mi14315+54489-274489-2714981(Top 53%)5466(Top 45%)5466(Top 100%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21stories
+97ft-345ft

Overall

13758

Females

3876

F18-39

3876

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

11147

Females

2391

F18-39

2391

10K→15K

6.2 - 9.3 mi

Top 48%
×3stories
+67ft-78ft

Overall

13758

Females

3876

F18-39

3876

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

14555

Females

4398

F18-39

4398

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

12037

Females

2987

F18-39

2987

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

15239

Females

4867

F18-39

4867

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

13666

Females

4179

F18-39

4179

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

18031

Females

6726

F18-39

6726

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

13826

Females

4532

F18-39

4532

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

14200

Females

4788

F18-39

4788

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

16554

Females

6195

F18-39

6195

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

18511

Females

7295

F18-39

7295

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

19507

Females

7890

F18-39

7890

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

20538

Females

8416

F18-39

8416

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

14981

Females

5466

F18-39

5466

Passing Analysis

Category:
Athletes Passed
909
Passed By
5043
Net Change
-4134
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10181
5K → 10K115587-472#10181#10653
10K → 15K361060-1024#10653#11677
15K → 20K57757-700#11677#12377
20K → Half3618+18#12377#12359
Half → 25K67537-470#12359#12829
25K → 30K195324-129#12829#12958
30K → 20M40495-455#12958#13413
20M → 21M10896+12#13413#13401
21M → 35K5279-27#13401#13428
35K → 23M63249-186#13428#13614
23M → 24M31332-301#13614#13915
24M → 40K22298-276#13915#14191
40K → 25.2M11140-129#14191#14320
25.2M → Finish7671+5#14320#14315
TOTALS9095043-4134
📊

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