Boston Marathon logo
BOSTON MARATHON 2025

Oscar Serrato

Bib: 20906•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 (M60-64)
#0 / 1259
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:21
Rank: #17822
Start → 5K
25:21 | 8:10/mi
10K· 6.21 mi
51:32
Rank: #18566 (-744)
5K → 10K
26:11 | 8:26/mi
15K· 9.32 mi
1:17:26
Rank: #18451 (+115)
10K → 15K
25:54 | 8:20/mi
20K· 12.43 mi
1:47:00
Rank: #19920 (-1469)
15K → 20K
29:34 | 9:31/mi
Half· 13.11 mi
1:52:45
Rank: #19870 (+50)
20K → Half
5:45 | 8:26/mi
25K· 15.53 mi
2:16:26
Rank: #20532 (-662)
Half → 25K
23:41 | 9:46/mi
30K· 18.64 mi
2:51:33
Rank: #21772 (-1240)
25K → 30K
35:07 | 11:18/mi
20M
3:21:18
Rank: #24161 (-2389)
30K → 20M
29:45 | 21:54/mi
21M
3:34:44
Rank: #24291 (-130)
20M → 21M
13:26 | 13:26/mi
35K· 21.75 mi
3:42:41
Rank: #24256 (+35)
21M → 35K
7:57 | 10:38/mi
23M
3:56:26
Rank: #24194 (+62)
35K → 23M
13:45 | 10:59/mi
24M
4:06:30
Rank: #24097 (+97)
23M → 24M
10:04 | 10:04/mi
40K· 24.85 mi
4:14:34
Rank: #23931 (+166)
24M → 40K
8:04 | 9:26/mi
25.2M
4:18:13
Rank: #23870 (+61)
40K → 25.2M
3:39 | 10:35/mi
Finish· 26.22 mi
4:26:35
Rank: #23658 (+212)
25.2M → Finish
8:22 | 8:13/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
Time1:52:45
Pace8:36 /mi
2nd Half
Distance13.11 mi
Time2:33:50
Pace11:44 /mi
📊Positive Split: 36.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:4125:218:1025:21
8:10
-
10K
6.21 mi11:49:5251:328:1826:11
8:26
+0:16
15K
9.32 mi12:15:461:17:268:1825:54
8:20
-0:06
20K
12.43 mi12:45:201:47:008:3729:34
9:31
+1:11
Half
13.11 mi12:51:051:52:458:365:45
8:26
-1:05
25K
15.53 mi13:14:462:16:268:4723:41
9:46
+1:20
30K
18.64 mi13:49:532:51:339:1235:07
11:18
+1:32
20M
20.00 mi14:19:383:21:1810:0429:45
21:54
+10:36
21M
21.00 mi14:33:043:34:4410:1413:26
13:26
-8:28
35K
21.75 mi14:41:013:42:4110:147:57
10:38
-2:48
23M
23.00 mi14:54:463:56:2610:1713:45
10:59
+0:21
24M
24.00 mi15:04:504:06:3010:1610:04
10:04
-0:55
40K
24.85 mi15:12:544:14:3410:158:04
9:26
-0:38
25.2M
25.20 mi15:16:334:18:1310:153:39
10:35
+1:09
Finish
26.22 mi15:24:554:26:3510:108:22
8:13
-2:22

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

8:10 /mi

Average Pace

10:10 /mi

Slowest Pace

21:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:43:24

84% of race

Time at Slower Pace

43:11

16% of race

Average Pace: 10:10 /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 mi11:23:4125:218:1025:21
8:10
#17822
10K
6.21 mi11:49:5251:328:1826:11
8:26
#18566
15K
9.32 mi12:15:461:17:268:1825:54
8:20
#18451
20K
12.43 mi12:45:201:47:008:3729:34
9:31
#19920
Half
13.11 mi12:51:051:52:458:365:45
8:26
#19870
25K
15.53 mi13:14:462:16:268:4723:41
9:46
#20532
30K
18.64 mi13:49:532:51:339:1235:07
11:18
#21772
20M
20.00 mi14:19:383:21:1810:0429:45
21:54
#24161
21M
21.00 mi14:33:043:34:4410:1413:26
13:26
#24291
35K
21.75 mi14:41:013:42:4110:147:57
10:38
#24256
23M
23.00 mi14:54:463:56:2610:1713:45
10:59
#24194
24M
24.00 mi15:04:504:06:3010:1610:04
10:04
#24097
40K
24.85 mi15:12:544:14:3410:158:04
9:26
#23931
25.2M
25.20 mi15:16:334:18:1310:153:39
10:35
#23870
Finish
26.22 mi15:24:554:26:3510:108:22
8:13
#23658
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17822115421154218299(Top 64%)11759(Top 73%)11759(Top 934%)
10K6.21 mi3.10 mi18566-74411861-31911861-31919354(Top 68%)12218(Top 76%)12218(Top 970%)
15K9.32 mi3.11 mi18451+11511802+5911802+5918299(Top 64%)11759(Top 73%)11759(Top 934%)
20K12.43 mi3.11 mi19920-146912436-63412436-63422955(Top 81%)13772(Top 86%)13772(Top 1094%)
Half13.11 mi0.68 mi19870+5012414+2212414+2218741(Top 66%)11950(Top 74%)11950(Top 949%)
25K15.53 mi2.42 mi20532-66212686-27212686-27222692(Top 80%)13605(Top 84%)13605(Top 1081%)
30K18.64 mi3.11 mi21772-124013220-53413220-53424555(Top 86%)14335(Top 89%)14335(Top 1139%)
20M20.00 mi1.36 mi24161-238914256-103614256-103628391(Top 100%)16097(Top 100%)16097(Top 1279%)
21M21.00 mi1.00 mi24291-13014300-4414300-4425589(Top 90%)14667(Top 91%)14667(Top 1165%)
35K21.75 mi0.75 mi24256+3514277+2314277+2323426(Top 82%)13604(Top 84%)13604(Top 1081%)
23M23.00 mi1.25 mi24194+6214229+4814229+4823178(Top 82%)13418(Top 83%)13418(Top 1066%)
24M24.00 mi1.00 mi24097+9714166+6314166+6321539(Top 76%)12613(Top 78%)12613(Top 1002%)
40K24.85 mi0.85 mi23931+16614087+7914087+7918437(Top 65%)11044(Top 69%)11044(Top 877%)
25.2M25.20 mi0.35 mi23870+6114050+3714050+3719299(Top 68%)11458(Top 71%)11458(Top 910%)
Finish26.22 mi1.02 mi23658+21213928+12213928+12214336(Top 50%)9190(Top 57%)9190(Top 730%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

18299

Males

11759

M60-64

11759

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

19354

Males

12218

M60-64

12218

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

18299

Males

11759

M60-64

11759

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

22955

Males

13772

M60-64

13772

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

18741

Males

11950

M60-64

11950

Half→25K

13.1 - 15.5 mi

Top 80%
×4stories
+66ft-88ft

Overall

22692

Males

13605

M60-64

13605

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

24555

Males

14335

M60-64

14335

30K→20M

18.6 - 20.0 mi

Top 100%
×5stories
+64ft-50ft

Overall

28391

Males

16097

M60-64

16097

20M→21M

20.0 - 21.0 mi

Top 90%
×8stories
+106ft-24ft

Overall

25589

Males

14667

M60-64

14667

21M→35K

21.0 - 21.8 mi

Top 82%
×7stories
+17ft-86ft

Overall

23426

Males

13604

M60-64

13604

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

23178

Males

13418

M60-64

13418

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

21539

Males

12613

M60-64

12613

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18437

Males

11044

M60-64

11044

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19299

Males

11458

M60-64

11458

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

14336

Males

9190

M60-64

9190

Passing Analysis

Category:
Athletes Passed
1184
Passed By
7020
Net Change
-5836
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17822
5K → 10K77821-744#17822#18566
10K → 15K245130+115#18566#18451
15K → 20K211490-1469#18451#19920
20K → Half555+50#19920#19870
Half → 25K35697-662#19870#20532
25K → 30K321272-1240#20532#21772
30K → 20M32392-2389#21772#24161
20M → 21M24154-130#24161#24291
21M → 35K5318+35#24291#24256
35K → 23M9331+62#24256#24194
23M → 24M10710+97#24194#24097
24M → 40K1660+166#24097#23931
40K → 25.2M610+61#23931#23870
25.2M → Finish2120+212#23870#23658
TOTALS11847020-5836
📊

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