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BOSTON MARATHON 2025

Emilio Pérez

Bib: 3558•M

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 16%
Masters (Masters Men)
#0 / 10463
Top 5%
Division (M45-49)
#0 / 2386
Top 5%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:36
Rank: #4855
Start → 5K
20:36 | 6:38/mi
10K· 6.21 mi
40:27
Rank: #3855 (+1000)
5K → 10K
19:51 | 6:23/mi
15K· 9.32 mi
1:00:27
Rank: #3590 (+265)
10K → 15K
20:00 | 6:26/mi
20K· 12.43 mi
1:20:38
Rank: #3420 (+170)
15K → 20K
20:11 | 6:30/mi
Half· 13.11 mi
1:24:54
Rank: #3343 (+77)
20K → Half
4:16 | 6:15/mi
25K· 15.53 mi
1:40:31
Rank: #3203 (+140)
Half → 25K
15:37 | 6:26/mi
30K· 18.64 mi
2:01:01
Rank: #2985 (+218)
25K → 30K
20:30 | 6:36/mi
20M
2:10:08
Rank: #2919 (+66)
30K → 20M
9:07 | 6:43/mi
21M
2:17:08
Rank: #2844 (+75)
20M → 21M
7:00 | 7:00/mi
35K· 21.75 mi
2:21:56
Rank: #2792 (+52)
21M → 35K
4:48 | 6:25/mi
23M
2:30:37
Rank: #2782 (+10)
35K → 23M
8:41 | 6:56/mi
24M
2:37:25
Rank: #2767 (+15)
23M → 24M
6:48 | 6:48/mi
40K· 24.85 mi
2:43:09
Rank: #2720 (+47)
24M → 40K
5:44 | 6:42/mi
25.2M
2:45:37
Rank: #2696 (+24)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:52:12
Rank: #2674 (+22)
25.2M → Finish
6:35 | 6:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:54
Pace6:29 /mi
2nd Half
Distance13.11 mi
Time1:27:18
Pace6:40 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1920:366:3820:36
6:38
-
10K
6.21 mi10:43:1040:276:3119:51
6:23
-0:15
15K
9.32 mi11:03:101:00:276:2920:00
6:26
+0:03
20K
12.43 mi11:23:211:20:386:2920:11
6:30
+0:04
Half
13.11 mi11:27:371:24:546:294:16
6:15
-0:15
25K
15.53 mi11:43:141:40:316:2815:37
6:26
+0:11
30K
18.64 mi12:03:442:01:016:3020:30
6:36
+0:10
20M
20.00 mi12:12:512:10:086:309:07
6:43
+0:07
21M
21.00 mi12:19:512:17:086:327:00
7:00
+0:17
35K
21.75 mi12:24:392:21:566:324:48
6:25
-0:35
23M
23.00 mi12:33:202:30:376:338:41
6:56
+0:31
24M
24.00 mi12:40:082:37:256:346:48
6:48
-0:08
40K
24.85 mi12:45:522:43:096:345:44
6:42
-0:06
25.2M
25.20 mi12:48:202:45:376:342:28
7:09
+0:27
Finish
26.22 mi12:54:552:52:126:346:35
6:28
-0:41

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

6:15 /mi

Average Pace

6:34 /mi

Slowest Pace

7:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:03

89% of race

Time at Steady Pace

18:09

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:34 /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 mi10:23:1920:366:3820:36
6:38
#4855
10K
6.21 mi10:43:1040:276:3119:51
6:23
#3855
15K
9.32 mi11:03:101:00:276:2920:00
6:26
#3590
20K
12.43 mi11:23:211:20:386:2920:11
6:30
#3420
Half
13.11 mi11:27:371:24:546:294:16
6:15
#3343
25K
15.53 mi11:43:141:40:316:2815:37
6:26
#3203
30K
18.64 mi12:03:442:01:016:3020:30
6:36
#2985
20M
20.00 mi12:12:512:10:086:309:07
6:43
#2919
21M
21.00 mi12:19:512:17:086:327:00
7:00
#2844
35K
21.75 mi12:24:392:21:566:324:48
6:25
#2792
23M
23.00 mi12:33:202:30:376:338:41
6:56
#2782
24M
24.00 mi12:40:082:37:256:346:48
6:48
#2767
40K
24.85 mi12:45:522:43:096:345:44
6:42
#2720
25.2M
25.20 mi12:48:202:45:376:342:28
7:09
#2696
Finish
26.22 mi12:54:552:52:126:346:35
6:28
#2674
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4855454545453179(Top 11%)3025(Top 19%)3025(Top 127%)
10K6.21 mi3.10 mi3855+10003646+8993646+8992981(Top 10%)2839(Top 18%)2839(Top 119%)
15K9.32 mi3.11 mi3590+2653403+2433403+2433179(Top 11%)3025(Top 19%)3025(Top 127%)
20K12.43 mi3.11 mi3420+1703245+1583245+1583115(Top 11%)2958(Top 18%)2958(Top 124%)
Half13.11 mi0.68 mi3343+773175+703175+702302(Top 8%)2203(Top 14%)2203(Top 92%)
25K15.53 mi2.42 mi3203+1403051+1243051+1242573(Top 9%)2448(Top 15%)2448(Top 103%)
30K18.64 mi3.11 mi2985+2182844+2072844+2072411(Top 8%)2283(Top 14%)2283(Top 96%)
20M20.00 mi1.36 mi2919+662778+662778+662516(Top 9%)2370(Top 15%)2370(Top 99%)
21M21.00 mi1.00 mi2844+752706+722706+722273(Top 8%)2124(Top 13%)2124(Top 89%)
35K21.75 mi0.75 mi2792+522655+512655+512121(Top 7%)1988(Top 12%)1988(Top 83%)
23M23.00 mi1.25 mi2782+102640+152640+153416(Top 12%)3104(Top 19%)3104(Top 130%)
24M24.00 mi1.00 mi2767+152624+162624+163520(Top 12%)3155(Top 20%)3155(Top 132%)
40K24.85 mi0.85 mi2720+472578+462578+462407(Top 8%)2204(Top 14%)2204(Top 92%)
25.2M25.20 mi0.35 mi2696+242554+242554+242011(Top 7%)1824(Top 11%)1824(Top 76%)
Finish26.22 mi1.02 mi2674+222530+242530+242636(Top 9%)2386(Top 15%)2386(Top 100%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3179

Males

3025

M45-49

3025

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2981

Males

2839

M45-49

2839

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3179

Males

3025

M45-49

3025

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3115

Males

2958

M45-49

2958

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2302

Males

2203

M45-49

2203

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2573

Males

2448

M45-49

2448

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2411

Males

2283

M45-49

2283

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2516

Males

2370

M45-49

2370

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2273

Males

2124

M45-49

2124

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

2121

Males

1988

M45-49

1988

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3416

Males

3104

M45-49

3104

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3520

Males

3155

M45-49

3155

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2407

Males

2204

M45-49

2204

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

2011

Males

1824

M45-49

1824

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2636

Males

2386

M45-49

2386

Passing Analysis

Category:
Athletes Passed
2420
Passed By
239
Net Change
+2181
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4855
5K → 10K10044+1000#4855#3855
10K → 15K28015+265#3855#3590
15K → 20K19626+170#3590#3420
20K → Half770+77#3420#3343
Half → 25K15010+140#3343#3203
25K → 30K24426+218#3203#2985
30K → 20M8721+66#2985#2919
20M → 21M8914+75#2919#2844
21M → 35K608+52#2844#2792
35K → 23M5141+10#2792#2782
23M → 24M4732+15#2782#2767
24M → 40K6518+47#2767#2720
40K → 25.2M262+24#2720#2696
25.2M → Finish4422+22#2696#2674
TOTALS2420239+2181
📊

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