Boston Marathon logo
BOSTON MARATHON 2025

Katie Mclaughlin

Bib: 17030•F

CO

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 43%
Gender (Female)
#0 / 12228
Top 28%
Division (F18-39)
#0 / 5469
Top 46%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:03
Rank: #14302
Start → 5K
24:03 | 7:44/mi
10K· 6.21 mi
47:33
Rank: #13527 (+775)
5K → 10K
23:30 | 7:34/mi
15K· 9.32 mi
1:10:59
Rank: #13001 (+526)
10K → 15K
23:26 | 7:33/mi
20K· 12.43 mi
1:34:54
Rank: #12801 (+200)
15K → 20K
23:55 | 7:42/mi
Half· 13.11 mi
1:40:01
Rank: #12747 (+54)
20K → Half
5:07 | 7:30/mi
25K· 15.53 mi
1:58:28
Rank: #12407 (+340)
Half → 25K
18:27 | 7:37/mi
30K· 18.64 mi
2:23:24
Rank: #12206 (+201)
25K → 30K
24:56 | 8:02/mi
20M
2:34:36
Rank: #12155 (+51)
30K → 20M
11:12 | 8:15/mi
21M
2:43:25
Rank: #12144 (+11)
20M → 21M
8:49 | 8:49/mi
35K· 21.75 mi
2:49:38
Rank: #12226 (-82)
21M → 35K
6:13 | 8:19/mi
23M
2:59:58
Rank: #12165 (+61)
35K → 23M
10:20 | 8:15/mi
24M
3:08:26
Rank: #12265 (-100)
23M → 24M
8:28 | 8:28/mi
40K· 24.85 mi
3:15:48
Rank: #12315 (-50)
24M → 40K
7:22 | 8:37/mi
25.2M
3:18:58
Rank: #12313 (+2)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:26:53
Rank: #12244 (+69)
25.2M → Finish
7:55 | 7:46/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
Time1:40:01
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:46:52
Pace8:09 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:2824:037:4424:03
7:44
-
10K
6.21 mi11:37:5847:337:3923:30
7:34
-0:10
15K
9.32 mi12:01:241:10:597:3723:26
7:33
-0:01
20K
12.43 mi12:25:191:34:547:3823:55
7:42
+0:09
Half
13.11 mi12:30:261:40:017:385:07
7:30
-0:12
25K
15.53 mi12:48:531:58:287:3818:27
7:37
+0:07
30K
18.64 mi13:13:492:23:247:4224:56
8:02
+0:25
20M
20.00 mi13:25:012:34:367:4411:12
8:15
+0:13
21M
21.00 mi13:33:502:43:257:478:49
8:49
+0:34
35K
21.75 mi13:40:032:49:387:486:13
8:19
-0:30
23M
23.00 mi13:50:232:59:587:4910:20
8:15
-0:04
24M
24.00 mi13:58:513:08:267:518:28
8:28
+0:13
40K
24.85 mi14:06:133:15:487:537:22
8:37
+0:09
25.2M
25.20 mi14:09:233:18:587:543:10
9:11
+0:34
Finish
26.22 mi14:17:183:26:537:547:55
7:46
-1:25

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

7:30 /mi

Average Pace

7:54 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:23

61% of race

Time at Steady Pace

46:28

22% of race

Time at Slower Pace

34:02

16% of race

Average Pace: 7:53 /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 mi11:14:2824:037:4424:03
7:44
#14302
10K
6.21 mi11:37:5847:337:3923:30
7:34
#13527
15K
9.32 mi12:01:241:10:597:3723:26
7:33
#13001
20K
12.43 mi12:25:191:34:547:3823:55
7:42
#12801
Half
13.11 mi12:30:261:40:017:385:07
7:30
#12747
25K
15.53 mi12:48:531:58:287:3818:27
7:37
#12407
30K
18.64 mi13:13:492:23:247:4224:56
8:02
#12206
20M
20.00 mi13:25:012:34:367:4411:12
8:15
#12155
21M
21.00 mi13:33:502:43:257:478:49
8:49
#12144
35K
21.75 mi13:40:032:49:387:486:13
8:19
#12226
23M
23.00 mi13:50:232:59:587:4910:20
8:15
#12165
24M
24.00 mi13:58:513:08:267:518:28
8:28
#12265
40K
24.85 mi14:06:133:15:487:537:22
8:37
#12315
25.2M
25.20 mi14:09:233:18:587:543:10
9:11
#12313
Finish
26.22 mi14:17:183:26:537:547:55
7:46
#12244
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi143024101410112147(Top 43%)2989(Top 24%)2989(Top 55%)
10K6.21 mi3.10 mi13527+7753661+4403661+44012710(Top 45%)3206(Top 26%)3206(Top 59%)
15K9.32 mi3.11 mi13001+5263390+2713390+27112147(Top 43%)2989(Top 24%)2989(Top 55%)
20K12.43 mi3.11 mi12801+2003330+603330+6012403(Top 44%)3224(Top 26%)3224(Top 59%)
Half13.11 mi0.68 mi12747+543306+243306+2411793(Top 42%)2832(Top 23%)2832(Top 52%)
25K15.53 mi2.42 mi12407+3403139+1673139+16710882(Top 38%)2530(Top 21%)2530(Top 46%)
30K18.64 mi3.11 mi12206+2013102+373102+3711590(Top 41%)3091(Top 25%)3091(Top 57%)
20M20.00 mi1.36 mi12155+513112-103112-1012091(Top 43%)3495(Top 29%)3495(Top 64%)
21M21.00 mi1.00 mi12144+113152-403152-4012424(Top 44%)3817(Top 31%)3817(Top 70%)
35K21.75 mi0.75 mi12226-823221-693221-6914307(Top 50%)4838(Top 40%)4838(Top 88%)
23M23.00 mi1.25 mi12165+613221322111748(Top 41%)3608(Top 30%)3608(Top 66%)
24M24.00 mi1.00 mi12265-1003304-833304-8314301(Top 50%)4970(Top 41%)4970(Top 91%)
40K24.85 mi0.85 mi12315-503366-623366-6214159(Top 50%)5039(Top 41%)5039(Top 92%)
25.2M25.20 mi0.35 mi12313+23374-83374-812844(Top 45%)4402(Top 36%)4402(Top 80%)
Finish26.22 mi1.02 mi12244+693376-23376-211239(Top 40%)3575(Top 29%)3575(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

12147

Females

2989

F18-39

2989

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

12710

Females

3206

F18-39

3206

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

12147

Females

2989

F18-39

2989

15K→20K

9.3 - 12.4 mi

Top 44%
×5stories
+106ft-86ft

Overall

12403

Females

3224

F18-39

3224

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

11793

Females

2832

F18-39

2832

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10882

Females

2530

F18-39

2530

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

11590

Females

3091

F18-39

3091

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

12091

Females

3495

F18-39

3495

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

12424

Females

3817

F18-39

3817

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

14307

Females

4838

F18-39

4838

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

11748

Females

3608

F18-39

3608

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

14301

Females

4970

F18-39

4970

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

14159

Females

5039

F18-39

5039

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12844

Females

4402

F18-39

4402

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

11239

Females

3575

F18-39

3575

Passing Analysis

Category:
Athletes Passed
3132
Passed By
1074
Net Change
+2058
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14302
5K → 10K83459+775#14302#13527
10K → 15K56135+526#13527#13001
15K → 20K305105+200#13001#12801
20K → Half6915+54#12801#12747
Half → 25K35515+340#12747#12407
25K → 30K335134+201#12407#12206
30K → 20M14291+51#12206#12155
20M → 21M112101+11#12155#12144
21M → 35K42124-82#12144#12226
35K → 23M13170+61#12226#12165
23M → 24M49149-100#12165#12265
24M → 40K57107-50#12265#12315
40K → 25.2M2927+2#12315#12313
25.2M → Finish11142+69#12313#12244
TOTALS31321074+2058
📊

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