Boston Marathon logo
BOSTON MARATHON 2025

Matt O'Reilly

Bib: 3283•M

KS

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 20%
Masters (Masters Men)
#0 / 10463
Top 8%
Division (M40-44)
#0 / 2247
Top 21%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:08
Rank: #3703
Start → 5K
20:08 | 6:29/mi
10K· 6.21 mi
40:17
Rank: #3658 (+45)
5K → 10K
20:09 | 6:29/mi
15K· 9.32 mi
1:00:27
Rank: #3594 (+64)
10K → 15K
20:10 | 6:29/mi
20K· 12.43 mi
1:21:03
Rank: #3666 (-72)
15K → 20K
20:36 | 6:38/mi
Half· 13.11 mi
1:25:34
Rank: #3702 (-36)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:41:46
Rank: #3704 (-2)
Half → 25K
16:12 | 6:41/mi
30K· 18.64 mi
2:03:10
Rank: #3695 (+9)
25K → 30K
21:24 | 6:53/mi
20M
2:12:36
Rank: #3649 (+46)
30K → 20M
9:26 | 6:57/mi
21M
2:20:04
Rank: #3670 (-21)
20M → 21M
7:28 | 7:28/mi
35K· 21.75 mi
2:25:08
Rank: #3663 (+7)
21M → 35K
5:04 | 6:46/mi
23M
2:33:56
Rank: #3630 (+33)
35K → 23M
8:48 | 7:02/mi
24M
2:40:44
Rank: #3586 (+44)
23M → 24M
6:48 | 6:48/mi
40K· 24.85 mi
2:46:38
Rank: #3542 (+44)
24M → 40K
5:54 | 6:54/mi
25.2M
2:49:11
Rank: #3503 (+39)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:56:00
Rank: #3491 (+12)
25.2M → Finish
6:49 | 6:41/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
Time1:25:34
Pace6:32 /mi
2nd Half
Distance13.11 mi
Time1:30:26
Pace6:54 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4420:086:2920:08
6:29
-
10K
6.21 mi10:41:5340:176:2920:09
6:29
0:00
15K
9.32 mi11:02:031:00:276:2920:10
6:29
0:00
20K
12.43 mi11:22:391:21:036:3120:36
6:38
+0:09
Half
13.11 mi11:27:101:25:346:324:31
6:37
-0:01
25K
15.53 mi11:43:221:41:466:3316:12
6:41
+0:04
30K
18.64 mi12:04:462:03:106:3621:24
6:53
+0:12
20M
20.00 mi12:14:122:12:366:389:26
6:57
+0:04
21M
21.00 mi12:21:402:20:046:407:28
7:28
+0:31
35K
21.75 mi12:26:442:25:086:405:04
6:46
-0:42
23M
23.00 mi12:35:322:33:566:428:48
7:02
+0:16
24M
24.00 mi12:42:202:40:446:426:48
6:48
-0:14
40K
24.85 mi12:48:142:46:386:425:54
6:54
+0:06
25.2M
25.20 mi12:50:472:49:116:432:33
7:24
+0:30
Finish
26.22 mi12:57:362:56:006:436:49
6:41
-0:43

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

6:29 /mi

Average Pace

6:43 /mi

Slowest Pace

7:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:59

94% of race

Time at Steady Pace

10:01

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:43 /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 mi10:21:4420:086:2920:08
6:29
#3703
10K
6.21 mi10:41:5340:176:2920:09
6:29
#3658
15K
9.32 mi11:02:031:00:276:2920:10
6:29
#3594
20K
12.43 mi11:22:391:21:036:3120:36
6:38
#3666
Half
13.11 mi11:27:101:25:346:324:31
6:37
#3702
25K
15.53 mi11:43:221:41:466:3316:12
6:41
#3704
30K
18.64 mi12:04:462:03:106:3621:24
6:53
#3695
20M
20.00 mi12:14:122:12:366:389:26
6:57
#3649
21M
21.00 mi12:21:402:20:046:407:28
7:28
#3670
35K
21.75 mi12:26:442:25:086:405:04
6:46
#3663
23M
23.00 mi12:35:322:33:566:428:48
7:02
#3630
24M
24.00 mi12:42:202:40:446:426:48
6:48
#3586
40K
24.85 mi12:48:142:46:386:425:54
6:54
#3542
25.2M
25.20 mi12:50:472:49:116:432:33
7:24
#3503
Finish
26.22 mi12:57:362:56:006:436:49
6:41
#3491
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3703350935093518(Top 12%)3329(Top 21%)3329(Top 148%)
10K6.21 mi3.10 mi3658+453469+403469+403619(Top 13%)3424(Top 21%)3424(Top 152%)
15K9.32 mi3.11 mi3594+643407+623407+623518(Top 12%)3329(Top 21%)3329(Top 148%)
20K12.43 mi3.11 mi3666-723468-613468-613901(Top 14%)3675(Top 23%)3675(Top 164%)
Half13.11 mi0.68 mi3702-363499-313499-314606(Top 16%)4299(Top 27%)4299(Top 191%)
25K15.53 mi2.42 mi3704-23498+13498+13999(Top 14%)3731(Top 23%)3731(Top 166%)
30K18.64 mi3.11 mi3695+93488+103488+104005(Top 14%)3691(Top 23%)3691(Top 164%)
20M20.00 mi1.36 mi3649+463441+473441+473772(Top 13%)3471(Top 22%)3471(Top 154%)
21M21.00 mi1.00 mi3670-213453-123453-124450(Top 16%)3968(Top 25%)3968(Top 177%)
35K21.75 mi0.75 mi3663+73444+93444+93959(Top 14%)3559(Top 22%)3559(Top 158%)
23M23.00 mi1.25 mi3630+333409+353409+353934(Top 14%)3523(Top 22%)3523(Top 157%)
24M24.00 mi1.00 mi3586+443362+473362+473527(Top 12%)3162(Top 20%)3162(Top 141%)
40K24.85 mi0.85 mi3542+443313+493313+493367(Top 12%)3009(Top 19%)3009(Top 134%)
25.2M25.20 mi0.35 mi3503+393278+353278+352969(Top 10%)2648(Top 16%)2648(Top 118%)
Finish26.22 mi1.02 mi3491+123260+183260+183810(Top 13%)3298(Top 20%)3298(Top 147%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3518

Males

3329

M40-44

3329

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3619

Males

3424

M40-44

3424

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3518

Males

3329

M40-44

3329

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3901

Males

3675

M40-44

3675

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4606

Males

4299

M40-44

4299

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3999

Males

3731

M40-44

3731

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

4005

Males

3691

M40-44

3691

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3772

Males

3471

M40-44

3471

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4450

Males

3968

M40-44

3968

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3959

Males

3559

M40-44

3559

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3934

Males

3523

M40-44

3523

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3527

Males

3162

M40-44

3162

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3367

Males

3009

M40-44

3009

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2969

Males

2648

M40-44

2648

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3810

Males

3298

M40-44

3298

Passing Analysis

Category:
Athletes Passed
1023
Passed By
811
Net Change
+212
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3703
5K → 10K161116+45#3703#3658
10K → 15K13369+64#3658#3594
15K → 20K67139-72#3594#3666
20K → Half743-36#3666#3702
Half → 25K7173-2#3702#3704
25K → 30K113104+9#3704#3695
30K → 20M8034+46#3695#3649
20M → 21M4566-21#3649#3670
21M → 35K3528+7#3670#3663
35K → 23M7845+33#3663#3630
23M → 24M7127+44#3630#3586
24M → 40K6824+44#3586#3542
40K → 25.2M434+39#3542#3503
25.2M → Finish5139+12#3503#3491
TOTALS1023811+212
📊

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