Boston Marathon logo
BOSTON MARATHON 2025

Eduardo Diaz Perez

Bib: 15801•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 (M55-59)
#0 / 1648
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:33
Rank: #12941
Start → 5K
7:35/mi
23:33 split
10K· 6.21 mi
47:48
Rank: #13865 (-924)
5K → 10K
7:48/mi
24:15 split
15K· 9.32 mi
1:12:42
Rank: #14627 (-762)
10K → 15K
8:01/mi
24:54 split
20K· 12.43 mi
1:38:38
Rank: #15421 (-794)
15K → 20K
8:21/mi
25:56 split
Half· 13.11 mi
1:44:19
Rank: #15607 (-186)
20K → Half
8:20/mi
5:41 split
25K· 15.53 mi
2:06:06
Rank: #16434 (-827)
Half → 25K
8:59/mi
21:47 split
30K· 18.64 mi
2:38:47
Rank: #18253 (-1819)
25K → 30K
10:31/mi
32:41 split
20M
2:53:40
Rank: #18920 (-667)
30K → 20M
10:57/mi
14:53 split
21M
3:06:25
Rank: #19587 (-667)
20M → 21M
12:45/mi
12:45 split
35K· 21.75 mi
3:13:30
Rank: #19631 (-44)
21M → 35K
9:28/mi
7:05 split
23M
3:27:41
Rank: #20067 (-436)
35K → 23M
11:20/mi
14:11 split
24M
3:37:10
Rank: #20049 (+18)
23M → 24M
9:29/mi
9:29 split
40K· 24.85 mi
3:45:36
Rank: #20044 (+5)
24M → 40K
9:52/mi
8:26 split
25.2M
3:49:47
Rank: #20155 (-111)
40K → 25.2M
12:08/mi
4:11 split
Finish· 26.22 mi
3:59:11
Rank: #20194 (-39)
25.2M → Finish
9:13/mi
9:24 split

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
Time1:44:19
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time2:14:52
Pace10:17 /mi
📊Positive Split: 29.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:3923:337:3523:33
7:35
-
10K
6.21 mi11:18:5447:487:4224:15
7:48
+0:13
15K
9.32 mi11:43:481:12:427:4824:54
8:01
+0:13
20K
12.43 mi12:09:441:38:387:5625:56
8:21
+0:20
Half
13.11 mi12:15:251:44:197:575:41
8:20
-0:01
25K
15.53 mi12:37:122:06:068:0721:47
8:59
+0:39
30K
18.64 mi13:09:532:38:478:3132:41
10:31
+1:32
20M
20.00 mi13:24:462:53:408:4114:53
10:57
+0:26
21M
21.00 mi13:37:313:06:258:5312:45
12:45
+1:48
35K
21.75 mi13:44:363:13:308:547:05
9:28
-3:17
23M
23.00 mi13:58:473:27:419:0214:11
11:20
+1:52
24M
24.00 mi14:08:163:37:109:039:29
9:29
-1:51
40K
24.85 mi14:16:423:45:369:058:26
9:52
+0:23
25.2M
25.20 mi14:20:533:49:479:074:11
12:08
+2:16
Finish
26.22 mi14:30:173:59:119:089:24
9:13
-2:55

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

7:35 /mi

Average Pace

9:08 /mi

Slowest Pace

12:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:19

44% of race

Time at Steady Pace

56:11

23% of race

Time at Slower Pace

1:18:41

33% of race

Average Pace: 9:07 /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 mi10:54:3923:337:3523:33
7:35
#12941
10K
6.21 mi11:18:5447:487:4224:15
7:48
#13865
15K
9.32 mi11:43:481:12:427:4824:54
8:01
#14627
20K
12.43 mi12:09:441:38:387:5625:56
8:21
#15421
Half
13.11 mi12:15:251:44:197:575:41
8:20
#15607
25K
15.53 mi12:37:122:06:068:0721:47
8:59
#16434
30K
18.64 mi13:09:532:38:478:3132:41
10:31
#18253
20M
20.00 mi13:24:462:53:408:4114:53
10:57
#18920
21M
21.00 mi13:37:313:06:258:5312:45
12:45
#19587
35K
21.75 mi13:44:363:13:308:547:05
9:28
#19631
23M
23.00 mi13:58:473:27:419:0214:11
11:20
#20067
24M
24.00 mi14:08:163:37:109:039:29
9:29
#20049
40K
24.85 mi14:16:423:45:369:058:26
9:52
#20044
25.2M
25.20 mi14:20:533:49:479:074:11
12:08
#20155
Finish
26.22 mi14:30:173:59:119:089:24
9:13
#20194
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi129419626962616147(Top 57%)10874(Top 68%)10874(Top 660%)
10K6.21 mi3.10 mi13865-9249965-3399965-33914862(Top 52%)10368(Top 64%)10368(Top 629%)
15K9.32 mi3.11 mi14627-76210256-29110256-29116147(Top 57%)10874(Top 68%)10874(Top 660%)
20K12.43 mi3.11 mi15421-79410559-30310559-30317206(Top 61%)11272(Top 70%)11272(Top 684%)
Half13.11 mi0.68 mi15607-18610626-6710626-6718095(Top 64%)11685(Top 73%)11685(Top 709%)
25K15.53 mi2.42 mi16434-82710962-33610962-33619815(Top 70%)12336(Top 77%)12336(Top 749%)
30K18.64 mi3.11 mi18253-181911668-70611668-70622977(Top 81%)13603(Top 84%)13603(Top 825%)
20M20.00 mi1.36 mi18920-66711937-26911937-26923491(Top 83%)13753(Top 85%)13753(Top 835%)
21M21.00 mi1.00 mi19587-66712192-25512192-25524730(Top 87%)14242(Top 88%)14242(Top 864%)
35K21.75 mi0.75 mi19631-4412199-712199-720207(Top 71%)12070(Top 75%)12070(Top 732%)
23M23.00 mi1.25 mi20067-43612353-15412353-15423934(Top 84%)13802(Top 86%)13802(Top 838%)
24M24.00 mi1.00 mi20049+1812328+2512328+2519572(Top 69%)11657(Top 72%)11657(Top 707%)
40K24.85 mi0.85 mi20044+512308+2012308+2019985(Top 70%)11783(Top 73%)11783(Top 715%)
25.2M25.20 mi0.35 mi20155-11112347-3912347-3923476(Top 83%)13507(Top 84%)13507(Top 820%)
Finish26.22 mi1.02 mi20194-3912362-1512362-1520044(Top 71%)11823(Top 73%)11823(Top 717%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

16147

Males

10874

M55-59

10874

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

14862

Males

10368

M55-59

10368

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

16147

Males

10874

M55-59

10874

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

17206

Males

11272

M55-59

11272

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

18095

Males

11685

M55-59

11685

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

19815

Males

12336

M55-59

12336

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

22977

Males

13603

M55-59

13603

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

23491

Males

13753

M55-59

13753

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

24730

Males

14242

M55-59

14242

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

20207

Males

12070

M55-59

12070

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

23934

Males

13802

M55-59

13802

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

19572

Males

11657

M55-59

11657

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

19985

Males

11783

M55-59

11783

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23476

Males

13507

M55-59

13507

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

20044

Males

11823

M55-59

11823

Passing Analysis

Category:
Athletes Passed
515
Passed By
7768
Net Change
-7253
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12941
5K → 10K65989-924#12941#13865
10K → 15K56818-762#13865#14627
15K → 20K68862-794#14627#15421
20K → Half7193-186#15421#15607
Half → 25K29856-827#15607#16434
25K → 30K171836-1819#16434#18253
30K → 20M18685-667#18253#18920
20M → 21M17684-667#18920#19587
21M → 35K3175-44#19587#19631
35K → 23M24460-436#19631#20067
23M → 24M7355+18#20067#20049
24M → 40K5651+5#20049#20044
40K → 25.2M8119-111#20044#20155
25.2M → Finish4685-39#20155#20194
TOTALS5157768-7253
📊

Passing Visuals

Category:
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