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BOSTON MARATHON 2025

Alberto López Prieto

Bib: 8627•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 18%
Gender (Male)
#0 / 16105
Top 29%
Masters (Masters Men)
#0 / 10463
Top 15%
Division (M50-54)
#0 / 1996
Top 9%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:31
Rank: #4624
Start → 5K
20:31 | 6:36/mi
10K· 6.21 mi
40:24
Rank: #3788 (+836)
5K → 10K
19:53 | 6:24/mi
15K· 9.32 mi
1:00:54
Rank: #3917 (-129)
10K → 15K
20:30 | 6:36/mi
20K· 12.43 mi
1:22:01
Rank: #4160 (-243)
15K → 20K
21:07 | 6:48/mi
Half· 13.11 mi
1:26:32
Rank: #4173 (-13)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:43:06
Rank: #4268 (-95)
Half → 25K
16:34 | 6:50/mi
30K· 18.64 mi
2:05:16
Rank: #4484 (-216)
25K → 30K
22:10 | 7:08/mi
20M
2:15:17
Rank: #4634 (-150)
30K → 20M
10:01 | 7:22/mi
21M
2:23:15
Rank: #4787 (-153)
20M → 21M
7:58 | 7:58/mi
35K· 21.75 mi
2:28:42
Rank: #4867 (-80)
21M → 35K
5:27 | 7:17/mi
23M
2:37:59
Rank: #4961 (-94)
35K → 23M
9:17 | 7:25/mi
24M
2:45:21
Rank: #5048 (-87)
23M → 24M
7:22 | 7:22/mi
40K· 24.85 mi
2:51:38
Rank: #5049 (-1)
24M → 40K
6:17 | 7:21/mi
25.2M
2:54:26
Rank: #5055 (-6)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:01:57
Rank: #5104 (-49)
25.2M → Finish
7:31 | 7:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:32
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:35:25
Pace7:17 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:4420:316:3620:31
6:36
-
10K
6.21 mi11:05:3740:246:3019:53
6:24
-0:12
15K
9.32 mi11:26:071:00:546:3220:30
6:36
+0:12
20K
12.43 mi11:47:141:22:016:3621:07
6:48
+0:12
Half
13.11 mi11:51:451:26:326:364:31
6:37
-0:11
25K
15.53 mi12:08:191:43:066:3816:34
6:50
+0:13
30K
18.64 mi12:30:292:05:166:4322:10
7:08
+0:18
20M
20.00 mi12:40:302:15:176:4610:01
7:22
+0:14
21M
21.00 mi12:48:282:23:156:497:58
7:58
+0:36
35K
21.75 mi12:53:552:28:426:505:27
7:17
-0:41
23M
23.00 mi13:03:122:37:596:529:17
7:25
+0:08
24M
24.00 mi13:10:342:45:216:537:22
7:22
-0:03
40K
24.85 mi13:16:512:51:386:546:17
7:21
-0:01
25.2M
25.20 mi13:19:392:54:266:552:48
8:07
+0:46
Finish
26.22 mi13:27:103:01:576:577:31
7:23
-0:44

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

6:24 /mi

Average Pace

6:57 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:06

57% of race

Time at Steady Pace

1:08:05

37% of race

Time at Slower Pace

10:46

6% of race

Average Pace: 6:56 /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 mi10:45:4420:316:3620:31
6:36
#4624
10K
6.21 mi11:05:3740:246:3019:53
6:24
#3788
15K
9.32 mi11:26:071:00:546:3220:30
6:36
#3917
20K
12.43 mi11:47:141:22:016:3621:07
6:48
#4160
Half
13.11 mi11:51:451:26:326:364:31
6:37
#4173
25K
15.53 mi12:08:191:43:066:3816:34
6:50
#4268
30K
18.64 mi12:30:292:05:166:4322:10
7:08
#4484
20M
20.00 mi12:40:302:15:176:4610:01
7:22
#4634
21M
21.00 mi12:48:282:23:156:497:58
7:58
#4787
35K
21.75 mi12:53:552:28:426:505:27
7:17
#4867
23M
23.00 mi13:03:122:37:596:529:17
7:25
#4961
24M
24.00 mi13:10:342:45:216:537:22
7:22
#5048
40K
24.85 mi13:16:512:51:386:546:17
7:21
#5049
25.2M
25.20 mi13:19:392:54:266:552:48
8:07
#5055
Finish
26.22 mi13:27:103:01:576:577:31
7:23
#5104
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi4624433643364212(Top 15%)3961(Top 25%)3961(Top 198%)
10K6.21 mi3.10 mi3788+8363581+7553581+7553042(Top 11%)2896(Top 18%)2896(Top 145%)
15K9.32 mi3.11 mi3917-1293693-1123693-1124212(Top 15%)3961(Top 25%)3961(Top 198%)
20K12.43 mi3.11 mi4160-2433914-2213914-2215254(Top 18%)4829(Top 30%)4829(Top 242%)
Half13.11 mi0.68 mi4173-133924-103924-104564(Top 16%)4257(Top 26%)4257(Top 213%)
25K15.53 mi2.42 mi4268-954003-794003-795111(Top 18%)4686(Top 29%)4686(Top 235%)
30K18.64 mi3.11 mi4484-2164187-1844187-1845515(Top 19%)4943(Top 31%)4943(Top 248%)
20M20.00 mi1.36 mi4634-1504297-1104297-1106177(Top 22%)5308(Top 33%)5308(Top 266%)
21M21.00 mi1.00 mi4787-1534424-1274424-1277126(Top 25%)5741(Top 36%)5741(Top 288%)
35K21.75 mi0.75 mi4867-804483-594483-597070(Top 25%)5722(Top 36%)5722(Top 287%)
23M23.00 mi1.25 mi4961-944548-654548-656106(Top 21%)5022(Top 31%)5022(Top 252%)
24M24.00 mi1.00 mi5048-874614-664614-666787(Top 24%)5386(Top 33%)5386(Top 270%)
40K24.85 mi0.85 mi5049-14604+104604+105882(Top 21%)4769(Top 30%)4769(Top 239%)
25.2M25.20 mi0.35 mi5055-64606-24606-26493(Top 23%)5022(Top 31%)5022(Top 252%)
Finish26.22 mi1.02 mi5104-494636-304636-308276(Top 29%)6052(Top 38%)6052(Top 303%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4212

Males

3961

M50-54

3961

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

3042

Males

2896

M50-54

2896

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4212

Males

3961

M50-54

3961

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

5254

Males

4829

M50-54

4829

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4564

Males

4257

M50-54

4257

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

5111

Males

4686

M50-54

4686

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5515

Males

4943

M50-54

4943

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

6177

Males

5308

M50-54

5308

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

7126

Males

5741

M50-54

5741

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

7070

Males

5722

M50-54

5722

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

6106

Males

5022

M50-54

5022

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6787

Males

5386

M50-54

5386

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5882

Males

4769

M50-54

4769

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6493

Males

5022

M50-54

5022

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

8276

Males

6052

M50-54

6052

Passing Analysis

Category:
Athletes Passed
1390
Passed By
1870
Net Change
-480
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4624
5K → 10K8437+836#4624#3788
10K → 15K59188-129#3788#3917
15K → 20K40283-243#3917#4160
20K → Half821-13#4160#4173
Half → 25K66161-95#4173#4268
25K → 30K82298-216#4268#4484
30K → 20M38188-150#4484#4634
20M → 21M32185-153#4634#4787
21M → 35K35115-80#4787#4867
35K → 23M56150-94#4867#4961
23M → 24M36123-87#4961#5048
24M → 40K5051-1#5048#5049
40K → 25.2M2026-6#5049#5055
25.2M → Finish2574-49#5055#5104
TOTALS13901870-480
📊

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