Boston Marathon logo
BOSTON MARATHON 2025

Don Kerrigan

Bib: 2341•M

NC

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 24%
Gender (Male)
#0 / 16105
Top 36%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:16
Rank: #6666
Start → 5K
21:16 | 6:51/mi
10K· 6.21 mi
43:05
Rank: #7396 (-730)
5K → 10K
21:49 | 7:01/mi
15K· 9.32 mi
1:05:26
Rank: #7891 (-495)
10K → 15K
22:21 | 7:12/mi
20K· 12.43 mi
1:27:39
Rank: #7845 (+46)
15K → 20K
22:13 | 7:09/mi
Half· 13.11 mi
1:32:26
Rank: #7835 (+10)
20K → Half
4:47 | 7:01/mi
25K· 15.53 mi
1:49:18
Rank: #7491 (+344)
Half → 25K
16:52 | 6:57/mi
30K· 18.64 mi
2:11:03
Rank: #6862 (+629)
25K → 30K
21:45 | 7:00/mi
20M
2:20:14
Rank: #6462 (+400)
30K → 20M
9:11 | 6:45/mi
21M
2:27:34
Rank: #6252 (+210)
20M → 21M
7:20 | 7:20/mi
35K· 21.75 mi
2:32:51
Rank: #6195 (+57)
21M → 35K
5:17 | 7:04/mi
23M
2:41:58
Rank: #6056 (+139)
35K → 23M
9:07 | 7:17/mi
24M
2:50:00
Rank: #6214 (-158)
23M → 24M
8:02 | 8:02/mi
40K· 24.85 mi
2:57:14
Rank: #6387 (-173)
24M → 40K
7:14 | 8:28/mi
25.2M
3:00:25
Rank: #6441 (-54)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:08:56
Rank: #6744 (-303)
25.2M → Finish
8:31 | 8:21/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
Time1:32:26
Pace7:03 /mi
2nd Half
Distance13.11 mi
Time1:36:30
Pace7:22 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4321:166:5121:16
6:51
-
10K
6.21 mi10:44:3243:056:5621:49
7:01
+0:10
15K
9.32 mi11:06:531:05:267:0122:21
7:12
+0:11
20K
12.43 mi11:29:061:27:397:0322:13
7:09
-0:03
Half
13.11 mi11:33:531:32:267:034:47
7:01
-0:08
25K
15.53 mi11:50:451:49:187:0216:52
6:57
-0:04
30K
18.64 mi12:12:302:11:037:0221:45
7:00
+0:03
20M
20.00 mi12:21:412:20:147:019:11
6:45
-0:15
21M
21.00 mi12:29:012:27:347:027:20
7:20
+0:35
35K
21.75 mi12:34:182:32:517:025:17
7:04
-0:16
23M
23.00 mi12:43:252:41:587:039:07
7:17
+0:13
24M
24.00 mi12:51:272:50:007:058:02
8:02
+0:45
40K
24.85 mi12:58:412:57:147:087:14
8:28
+0:26
25.2M
25.20 mi13:01:523:00:257:103:11
9:14
+0:46
Finish
26.22 mi13:10:233:08:567:138:31
8:21
-0:53

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

6:45 /mi

Average Pace

7:13 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

9:11

5% of race

Time at Steady Pace

2:32:47

81% of race

Time at Slower Pace

26:58

14% of race

Average Pace: 7:12 /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 mi10:22:4321:166:5121:16
6:51
#6666
10K
6.21 mi10:44:3243:056:5621:49
7:01
#7396
15K
9.32 mi11:06:531:05:267:0122:21
7:12
#7891
20K
12.43 mi11:29:061:27:397:0322:13
7:09
#7845
Half
13.11 mi11:33:531:32:267:034:47
7:01
#7835
25K
15.53 mi11:50:451:49:187:0216:52
6:57
#7491
30K
18.64 mi12:12:302:11:037:0221:45
7:00
#6862
20M
20.00 mi12:21:412:20:147:019:11
6:45
#6462
21M
21.00 mi12:29:012:27:347:027:20
7:20
#6252
35K
21.75 mi12:34:182:32:517:025:17
7:04
#6195
23M
23.00 mi12:43:252:41:587:039:07
7:17
#6056
24M
24.00 mi12:51:272:50:007:058:02
8:02
#6214
40K
24.85 mi12:58:412:57:147:087:14
8:28
#6387
25.2M
25.20 mi13:01:523:00:257:103:11
9:14
#6441
Finish
26.22 mi13:10:233:08:567:138:31
8:21
#6744
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6666604960499043(Top 32%)7571(Top 47%)7571(Top 134%)
10K6.21 mi3.10 mi7396-7306583-5346583-5348071(Top 28%)7013(Top 44%)7013(Top 124%)
15K9.32 mi3.11 mi7891-4956913-3306913-3309043(Top 32%)7571(Top 47%)7571(Top 134%)
20K12.43 mi3.11 mi7845+466855+586855+587817(Top 28%)6755(Top 42%)6755(Top 120%)
Half13.11 mi0.68 mi7835+106848+76848+77643(Top 27%)6664(Top 41%)6664(Top 118%)
25K15.53 mi2.42 mi7491+3446603+2456603+2456038(Top 21%)5429(Top 34%)5429(Top 96%)
30K18.64 mi3.11 mi6862+6296102+5016102+5014695(Top 17%)4282(Top 27%)4282(Top 76%)
20M20.00 mi1.36 mi6462+4005787+3155787+3152739(Top 10%)2568(Top 16%)2568(Top 46%)
21M21.00 mi1.00 mi6252+2105608+1795608+1793804(Top 13%)3467(Top 22%)3467(Top 61%)
35K21.75 mi0.75 mi6195+575551+575551+575792(Top 20%)4928(Top 31%)4928(Top 87%)
23M23.00 mi1.25 mi6056+1395428+1235428+1235362(Top 19%)4573(Top 28%)4573(Top 81%)
24M24.00 mi1.00 mi6214-1585525-975525-9711443(Top 40%)7864(Top 49%)7864(Top 139%)
40K24.85 mi0.85 mi6387-1735620-955620-9513133(Top 46%)8572(Top 53%)8572(Top 152%)
25.2M25.20 mi0.35 mi6441-545645-255645-2512982(Top 46%)8427(Top 52%)8427(Top 149%)
Finish26.22 mi1.02 mi6744-3035824-1795824-17915251(Top 54%)9581(Top 59%)9581(Top 170%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

9043

Males

7571

M18-39

7571

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

8071

Males

7013

M18-39

7013

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

9043

Males

7571

M18-39

7571

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7817

Males

6755

M18-39

6755

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7643

Males

6664

M18-39

6664

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

6038

Males

5429

M18-39

5429

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4695

Males

4282

M18-39

4282

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2739

Males

2568

M18-39

2568

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3804

Males

3467

M18-39

3467

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5792

Males

4928

M18-39

4928

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5362

Males

4573

M18-39

4573

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

11443

Males

7864

M18-39

7864

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

13133

Males

8572

M18-39

8572

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12982

Males

8427

M18-39

8427

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

15251

Males

9581

M18-39

9581

Passing Analysis

Category:
Athletes Passed
2137
Passed By
2215
Net Change
-78
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6666
5K → 10K37767-730#6666#7396
10K → 15K40535-495#7396#7891
15K → 20K152106+46#7891#7845
20K → Half3121+10#7845#7835
Half → 25K3506+344#7835#7491
25K → 30K6301+629#7491#6862
30K → 20M4000+400#6862#6462
20M → 21M2144+210#6462#6252
21M → 35K6811+57#6252#6195
35K → 23M15314+139#6195#6056
23M → 24M24182-158#6056#6214
24M → 40K16189-173#6214#6387
40K → 25.2M1266-54#6387#6441
25.2M → Finish10313-303#6441#6744
TOTALS21372215-78
📊

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