Boston Marathon logo
BOSTON MARATHON 2025

Sean Curran

Bib: 3671•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:01
Rank: #20984
Start → 5K
27:01 | 8:42/mi
10K· 6.21 mi
54:38
Rank: #21406 (-422)
5K → 10K
27:37 | 8:53/mi
15K· 9.32 mi
1:22:33
Rank: #21562 (-156)
10K → 15K
27:55 | 8:59/mi
20K· 12.43 mi
1:51:14
Rank: #21706 (-144)
15K → 20K
28:41 | 9:14/mi
Half· 13.11 mi
1:57:18
Rank: #21678 (+28)
20K → Half
6:04 | 8:54/mi
25K· 15.53 mi
2:18:33
Rank: #21193 (+485)
Half → 25K
21:15 | 8:46/mi
30K· 18.64 mi
2:46:11
Rank: #20446 (+747)
25K → 30K
27:38 | 8:54/mi
20M
2:58:13
Rank: #20133 (+313)
30K → 20M
12:02 | 8:51/mi
21M
3:07:16
Rank: #19789 (+344)
20M → 21M
9:03 | 9:03/mi
35K· 21.75 mi
3:13:23
Rank: #19594 (+195)
21M → 35K
6:07 | 8:11/mi
23M
3:24:06
Rank: #19278 (+316)
35K → 23M
10:43 | 8:34/mi
24M
3:32:12
Rank: #18999 (+279)
23M → 24M
8:06 | 8:06/mi
40K· 24.85 mi
3:39:09
Rank: #18720 (+279)
24M → 40K
6:57 | 8:08/mi
25.2M
3:42:17
Rank: #18609 (+111)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:50:35
Rank: #18446 (+163)
25.2M → Finish
8:18 | 8:09/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 Half
Distance13.11 mi
Time1:57:18
Pace8:57 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:53:17
Pace8:38 /mi
📊Negative Split: 3.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:4027:018:4227:01
8:42
-
10K
6.21 mi11:20:1754:388:4827:37
8:53
+0:11
15K
9.32 mi11:48:121:22:338:5127:55
8:59
+0:06
20K
12.43 mi12:16:531:51:148:5728:41
9:14
+0:15
Half
13.11 mi12:22:571:57:188:576:04
8:54
-0:20
25K
15.53 mi12:44:122:18:338:5521:15
8:46
-0:08
30K
18.64 mi13:11:502:46:118:5527:38
8:54
+0:08
20M
20.00 mi13:23:522:58:138:5512:02
8:51
-0:03
21M
21.00 mi13:32:553:07:168:559:03
9:03
+0:12
35K
21.75 mi13:39:023:13:238:546:07
8:11
-0:52
23M
23.00 mi13:49:453:24:068:5210:43
8:34
+0:23
24M
24.00 mi13:57:513:32:128:518:06
8:06
-0:28
40K
24.85 mi14:04:483:39:098:496:57
8:08
+0:02
25.2M
25.20 mi14:07:563:42:178:493:08
9:05
+0:57
Finish
26.22 mi14:16:143:50:358:488:18
8:09
-0:56

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

8:06 /mi

Average Pace

8:48 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:48

70% of race

Time at Steady Pace

1:08:47

30% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:48 /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 mi10:52:4027:018:4227:01
8:42
#20984
10K
6.21 mi11:20:1754:388:4827:37
8:53
#21406
15K
9.32 mi11:48:121:22:338:5127:55
8:59
#21562
20K
12.43 mi12:16:531:51:148:5728:41
9:14
#21706
Half
13.11 mi12:22:571:57:188:576:04
8:54
#21678
25K
15.53 mi12:44:122:18:338:5521:15
8:46
#21193
30K
18.64 mi13:11:502:46:118:5527:38
8:54
#20446
20M
20.00 mi13:23:522:58:138:5512:02
8:51
#20133
21M
21.00 mi13:32:553:07:168:559:03
9:03
#19789
35K
21.75 mi13:39:023:13:238:546:07
8:11
#19594
23M
23.00 mi13:49:453:24:068:5210:43
8:34
#19278
24M
24.00 mi13:57:513:32:128:518:06
8:06
#18999
40K
24.85 mi14:04:483:39:098:496:57
8:08
#18720
25.2M
25.20 mi14:07:563:42:178:493:08
9:05
#18609
Finish
26.22 mi14:16:143:50:358:488:18
8:09
#18446
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi20984128501285021965(Top 77%)13373(Top 83%)13373(Top 595%)
10K6.21 mi3.10 mi21406-42213072-22213072-22221850(Top 77%)13271(Top 82%)13271(Top 591%)
15K9.32 mi3.11 mi21562-15613164-9213164-9221965(Top 77%)13373(Top 83%)13373(Top 595%)
20K12.43 mi3.11 mi21706-14413205-4113205-4122006(Top 77%)13362(Top 83%)13362(Top 595%)
Half13.11 mi0.68 mi21678+2813193+1213193+1221302(Top 75%)13032(Top 81%)13032(Top 580%)
25K15.53 mi2.42 mi21193+48512983+21012983+21018738(Top 66%)11851(Top 74%)11851(Top 527%)
30K18.64 mi3.11 mi20446+74712602+38112602+38117114(Top 60%)10985(Top 68%)10985(Top 489%)
20M20.00 mi1.36 mi20133+31312448+15412448+15415961(Top 56%)10354(Top 64%)10354(Top 461%)
21M21.00 mi1.00 mi19789+34412282+16612282+16613805(Top 49%)9257(Top 57%)9257(Top 412%)
35K21.75 mi0.75 mi19594+19512177+10512177+10513457(Top 47%)9033(Top 56%)9033(Top 402%)
23M23.00 mi1.25 mi19278+31612019+15812019+15813670(Top 48%)9013(Top 56%)9013(Top 401%)
24M24.00 mi1.00 mi18999+27911880+13911880+13911902(Top 42%)8128(Top 50%)8128(Top 362%)
40K24.85 mi0.85 mi18720+27911721+15911721+15911088(Top 39%)7624(Top 47%)7624(Top 339%)
25.2M25.20 mi0.35 mi18609+11111661+6011661+6012280(Top 43%)8163(Top 51%)8163(Top 363%)
Finish26.22 mi1.02 mi18446+16311568+9311568+9313901(Top 49%)8970(Top 56%)8970(Top 399%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

21965

Males

13373

M40-44

13373

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

21850

Males

13271

M40-44

13271

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

21965

Males

13373

M40-44

13373

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

22006

Males

13362

M40-44

13362

20K→Half

12.4 - 13.1 mi

Top 75%
×2stories
+19ft-37ft

Overall

21302

Males

13032

M40-44

13032

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

18738

Males

11851

M40-44

11851

25K→30K

15.5 - 18.6 mi

Top 60%
×9stories
+181ft-148ft

Overall

17114

Males

10985

M40-44

10985

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

15961

Males

10354

M40-44

10354

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

13805

Males

9257

M40-44

9257

21M→35K

21.0 - 21.8 mi

Top 47%
×7stories
+17ft-86ft

Overall

13457

Males

9033

M40-44

9033

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

13670

Males

9013

M40-44

9013

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

11902

Males

8128

M40-44

8128

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

11088

Males

7624

M40-44

7624

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12280

Males

8163

M40-44

8163

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

13901

Males

8970

M40-44

8970

Passing Analysis

Category:
Athletes Passed
3738
Passed By
1200
Net Change
+2538
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20984
5K → 10K140562-422#20984#21406
10K → 15K153309-156#21406#21562
15K → 20K147291-144#21562#21706
20K → Half4618+28#21706#21678
Half → 25K4861+485#21678#21193
25K → 30K7492+747#21193#20446
30K → 20M3152+313#20446#20133
20M → 21M3451+344#20133#19789
21M → 35K1961+195#19789#19594
35K → 23M3171+316#19594#19278
23M → 24M2801+279#19278#18999
24M → 40K2801+279#18999#18720
40K → 25.2M1110+111#18720#18609
25.2M → Finish17310+163#18609#18446
TOTALS37381200+2538
📊

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