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BOSTON MARATHON 2025

Alvaro Perez

Bib: 9703•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 28%
Gender (Male)
#0 / 16105
Top 41%
Masters (Masters Men)
#0 / 10463
Top 28%
Division (M45-49)
#0 / 2386
Top 41%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:50
Rank: #5501
Start → 5K
20:50 | 6:42/mi
10K· 6.21 mi
42:04
Rank: #6019 (-518)
5K → 10K
21:14 | 6:50/mi
15K· 9.32 mi
1:03:49
Rank: #6648 (-629)
10K → 15K
21:45 | 7:00/mi
20K· 12.43 mi
1:26:02
Rank: #7014 (-366)
15K → 20K
22:13 | 7:09/mi
Half· 13.11 mi
1:30:49
Rank: #7040 (-26)
20K → Half
4:47 | 7:01/mi
25K· 15.53 mi
1:49:00
Rank: #7371 (-331)
Half → 25K
18:11 | 7:30/mi
30K· 18.64 mi
2:12:46
Rank: #7489 (-118)
25K → 30K
23:46 | 7:39/mi
20M
2:23:18
Rank: #7490 (-1)
30K → 20M
10:32 | 7:45/mi
21M
2:32:09
Rank: #7714 (-224)
20M → 21M
8:51 | 8:51/mi
35K· 21.75 mi
2:37:49
Rank: #7727 (-13)
21M → 35K
5:40 | 7:34/mi
23M
2:47:23
Rank: #7653 (+74)
35K → 23M
9:34 | 7:38/mi
24M
2:55:07
Rank: #7689 (-36)
23M → 24M
7:44 | 7:44/mi
40K· 24.85 mi
3:02:17
Rank: #7844 (-155)
24M → 40K
7:10 | 8:23/mi
25.2M
3:05:23
Rank: #7891 (-47)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:13:10
Rank: #7957 (-66)
25.2M → Finish
7:47 | 7:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:49
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:42:21
Pace7:48 /mi
📊Positive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:1720:506:4220:50
6:42
-
10K
6.21 mi11:07:3142:046:4621:14
6:50
+0:08
15K
9.32 mi11:29:161:03:496:5121:45
7:00
+0:10
20K
12.43 mi11:51:291:26:026:5522:13
7:09
+0:09
Half
13.11 mi11:56:161:30:496:564:47
7:01
-0:08
25K
15.53 mi12:14:271:49:007:0118:11
7:30
+0:29
30K
18.64 mi12:38:132:12:467:0723:46
7:39
+0:09
20M
20.00 mi12:48:452:23:187:1010:32
7:45
+0:06
21M
21.00 mi12:57:362:32:097:158:51
8:51
+1:06
35K
21.75 mi13:03:162:37:497:155:40
7:34
-1:17
23M
23.00 mi13:12:502:47:237:179:34
7:38
+0:04
24M
24.00 mi13:20:342:55:077:187:44
7:44
+0:06
40K
24.85 mi13:27:443:02:177:207:10
8:23
+0:39
25.2M
25.20 mi13:30:503:05:237:213:06
8:59
+0:36
Finish
26.22 mi13:38:373:13:107:227:47
7:38
-1:21

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

6:42 /mi

Average Pace

7:22 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:30:49

47% of race

Time at Steady Pace

1:23:14

43% of race

Time at Slower Pace

19:07

10% of race

Average Pace: 7:22 /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 mi10:46:1720:506:4220:50
6:42
#5501
10K
6.21 mi11:07:3142:046:4621:14
6:50
#6019
15K
9.32 mi11:29:161:03:496:5121:45
7:00
#6648
20K
12.43 mi11:51:291:26:026:5522:13
7:09
#7014
Half
13.11 mi11:56:161:30:496:564:47
7:01
#7040
25K
15.53 mi12:14:271:49:007:0118:11
7:30
#7371
30K
18.64 mi12:38:132:12:467:0723:46
7:39
#7489
20M
20.00 mi12:48:452:23:187:1010:32
7:45
#7490
21M
21.00 mi12:57:362:32:097:158:51
8:51
#7714
35K
21.75 mi13:03:162:37:497:155:40
7:34
#7727
23M
23.00 mi13:12:502:47:237:179:34
7:38
#7653
24M
24.00 mi13:20:342:55:077:187:44
7:44
#7689
40K
24.85 mi13:27:443:02:177:207:10
8:23
#7844
25.2M
25.20 mi13:30:503:05:237:213:06
8:59
#7891
Finish
26.22 mi13:38:373:13:107:227:47
7:38
#7957
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5501510351037639(Top 27%)6710(Top 42%)6710(Top 281%)
10K6.21 mi3.10 mi6019-5185526-4235526-4236735(Top 24%)6073(Top 38%)6073(Top 255%)
15K9.32 mi3.11 mi6648-6296005-4796005-4797639(Top 27%)6710(Top 42%)6710(Top 281%)
20K12.43 mi3.11 mi7014-3666285-2806285-2807819(Top 28%)6757(Top 42%)6757(Top 283%)
Half13.11 mi0.68 mi7040-266300-156300-157655(Top 27%)6676(Top 41%)6676(Top 280%)
25K15.53 mi2.42 mi7371-3316522-2226522-2229920(Top 35%)7820(Top 49%)7820(Top 328%)
30K18.64 mi3.11 mi7489-1186559-376559-378807(Top 31%)7033(Top 44%)7033(Top 295%)
20M20.00 mi1.36 mi7490-16516+436516+438694(Top 31%)6835(Top 42%)6835(Top 286%)
21M21.00 mi1.00 mi7714-2246630-1146630-11412578(Top 44%)8626(Top 54%)8626(Top 362%)
35K21.75 mi0.75 mi7727-136612+186612+189118(Top 32%)6908(Top 43%)6908(Top 290%)
23M23.00 mi1.25 mi7653+746518+946518+947508(Top 26%)5877(Top 36%)5877(Top 246%)
24M24.00 mi1.00 mi7689-366511+76511+79303(Top 33%)6797(Top 42%)6797(Top 285%)
40K24.85 mi0.85 mi7844-1556578-676578-6712625(Top 44%)8331(Top 52%)8331(Top 349%)
25.2M25.20 mi0.35 mi7891-476594-166594-1611650(Top 41%)7784(Top 48%)7784(Top 326%)
Finish26.22 mi1.02 mi7957-666603-96603-910189(Top 36%)7075(Top 44%)7075(Top 297%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

7639

Males

6710

M45-49

6710

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6735

Males

6073

M45-49

6073

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

7639

Males

6710

M45-49

6710

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7819

Males

6757

M45-49

6757

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7655

Males

6676

M45-49

6676

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

9920

Males

7820

M45-49

7820

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8807

Males

7033

M45-49

7033

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8694

Males

6835

M45-49

6835

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

12578

Males

8626

M45-49

8626

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

9118

Males

6908

M45-49

6908

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

7508

Males

5877

M45-49

5877

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

9303

Males

6797

M45-49

6797

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12625

Males

8331

M45-49

8331

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11650

Males

7784

M45-49

7784

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

10189

Males

7075

M45-49

7075

Passing Analysis

Category:
Athletes Passed
825
Passed By
3281
Net Change
-2456
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5501
5K → 10K45563-518#5501#6019
10K → 15K41670-629#6019#6648
15K → 20K46412-366#6648#7014
20K → Half1945-26#7014#7040
Half → 25K47378-331#7040#7371
25K → 30K135253-118#7371#7489
30K → 20M106107-1#7489#7490
20M → 21M33257-224#7490#7714
21M → 35K5669-13#7714#7727
35K → 23M12753+74#7727#7653
23M → 24M5995-36#7653#7689
24M → 40K31186-155#7689#7844
40K → 25.2M2269-47#7844#7891
25.2M → Finish58124-66#7891#7957
TOTALS8253281-2456
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing