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BOSTON MARATHON 2025

Alberto Colin

Bib: 8421•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 49%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Top 41%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:40
Rank: #16082
Start → 5K
7:56/mi
24:40 split
10K· 6.21 mi
49:00
Rank: #15527 (+555)
5K → 10K
7:50/mi
24:20 split
15K· 9.32 mi
1:13:37
Rank: #15475 (+52)
10K → 15K
7:55/mi
24:37 split
20K· 12.43 mi
1:38:38
Rank: #15418 (+57)
15K → 20K
8:03/mi
25:01 split
Half· 13.11 mi
1:44:09
Rank: #15487 (-69)
20K → Half
8:05/mi
5:31 split
25K· 15.53 mi
2:03:36
Rank: #15210 (+277)
Half → 25K
8:01/mi
19:27 split
30K· 18.64 mi
2:29:35
Rank: #14924 (+286)
25K → 30K
8:22/mi
25:59 split
20M
2:41:12
Rank: #14825 (+99)
30K → 20M
8:33/mi
11:37 split
21M
2:50:11
Rank: #14695 (+130)
20M → 21M
8:59/mi
8:59 split
35K· 21.75 mi
2:56:09
Rank: #14568 (+127)
21M → 35K
7:59/mi
5:58 split
23M
3:06:40
Rank: #14432 (+136)
35K → 23M
8:24/mi
10:31 split
24M
3:14:46
Rank: #14304 (+128)
23M → 24M
8:06/mi
8:06 split
40K· 24.85 mi
3:21:43
Rank: #14159 (+145)
24M → 40K
8:08/mi
6:57 split
25.2M
3:24:46
Rank: #14093 (+66)
40K → 25.2M
8:51/mi
3:03 split
Finish· 26.22 mi
3:32:26
Rank: #13870 (+223)
25.2M → Finish
7:31/mi
7:40 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:09
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:48:17
Pace8:16 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:34:0224:407:5624:40
7:56
-
10K
6.21 mi10:58:2249:007:5324:20
7:50
-0:06
15K
9.32 mi11:22:591:13:377:5424:37
7:55
+0:05
20K
12.43 mi11:48:001:38:387:5625:01
8:03
+0:08
Half
13.11 mi11:53:311:44:097:575:31
8:05
+0:02
25K
15.53 mi12:12:582:03:367:5719:27
8:01
-0:04
30K
18.64 mi12:38:572:29:358:0125:59
8:22
+0:21
20M
20.00 mi12:50:342:41:128:0411:37
8:33
+0:11
21M
21.00 mi12:59:332:50:118:068:59
8:59
+0:26
35K
21.75 mi13:05:312:56:098:065:58
7:59
-1:00
23M
23.00 mi13:16:023:06:408:0710:31
8:24
+0:25
24M
24.00 mi13:24:083:14:468:078:06
8:06
-0:18
40K
24.85 mi13:31:053:21:438:076:57
8:08
+0:02
25.2M
25.20 mi13:34:083:24:468:083:03
8:51
+0:43
Finish
26.22 mi13:41:483:32:268:067:40
7:31
-1:20

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

7:31 /mi

Average Pace

8:06 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:17

72% of race

Time at Steady Pace

51:10

24% of race

Time at Slower Pace

8:59

4% of race

Average Pace: 8:06 /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 mi10:34:0224:407:5624:40
7:56
#16082
10K
6.21 mi10:58:2249:007:5324:20
7:50
#15527
15K
9.32 mi11:22:591:13:377:5424:37
7:55
#15475
20K
12.43 mi11:48:001:38:387:5625:01
8:03
#15418
Half
13.11 mi11:53:311:44:097:575:31
8:05
#15487
25K
15.53 mi12:12:582:03:367:5719:27
8:01
#15210
30K
18.64 mi12:38:572:29:358:0125:59
8:22
#14924
20M
20.00 mi12:50:342:41:128:0411:37
8:33
#14825
21M
21.00 mi12:59:332:50:118:068:59
8:59
#14695
35K
21.75 mi13:05:312:56:098:065:58
7:59
#14568
23M
23.00 mi13:16:023:06:408:0710:31
8:24
#14432
24M
24.00 mi13:24:083:14:468:078:06
8:06
#14304
40K
24.85 mi13:31:053:21:438:076:57
8:08
#14159
25.2M
25.20 mi13:34:083:24:468:083:03
8:51
#14093
Finish
26.22 mi13:41:483:32:268:067:40
7:31
#13870
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi16082108371083715403(Top 54%)10545(Top 65%)10545(Top 640%)
10K6.21 mi3.10 mi15527+55510626+21110626+21115095(Top 53%)10460(Top 65%)10460(Top 635%)
15K9.32 mi3.11 mi15475+5210600+2610600+2615403(Top 54%)10545(Top 65%)10545(Top 640%)
20K12.43 mi3.11 mi15418+5710556+4410556+4415280(Top 54%)10444(Top 65%)10444(Top 634%)
Half13.11 mi0.68 mi15487-6910587-3110587-3116471(Top 58%)10950(Top 68%)10950(Top 664%)
25K15.53 mi2.42 mi15210+27710437+15010437+15014051(Top 49%)9780(Top 61%)9780(Top 593%)
30K18.64 mi3.11 mi14924+28610251+18610251+18613909(Top 49%)9558(Top 59%)9558(Top 580%)
20M20.00 mi1.36 mi14825+9910185+6610185+6614070(Top 50%)9480(Top 59%)9480(Top 575%)
21M21.00 mi1.00 mi14695+13010103+8210103+8213379(Top 47%)9038(Top 56%)9038(Top 548%)
35K21.75 mi0.75 mi14568+12710034+6910034+6912108(Top 43%)8388(Top 52%)8388(Top 509%)
23M23.00 mi1.25 mi14432+1369939+959939+9512664(Top 45%)8549(Top 53%)8549(Top 519%)
24M24.00 mi1.00 mi14304+1289851+889851+8811888(Top 42%)8114(Top 50%)8114(Top 492%)
40K24.85 mi0.85 mi14159+1459750+1019750+10111083(Top 39%)7619(Top 47%)7619(Top 462%)
25.2M25.20 mi0.35 mi14093+669709+419709+4110895(Top 38%)7448(Top 46%)7448(Top 452%)
Finish26.22 mi1.02 mi13870+2239579+1309579+1309356(Top 33%)6642(Top 41%)6642(Top 403%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

15403

Males

10545

M55-59

10545

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

15095

Males

10460

M55-59

10460

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

15403

Males

10545

M55-59

10545

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

15280

Males

10444

M55-59

10444

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

16471

Males

10950

M55-59

10950

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

14051

Males

9780

M55-59

9780

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

13909

Males

9558

M55-59

9558

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

14070

Males

9480

M55-59

9480

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

13379

Males

9038

M55-59

9038

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

12108

Males

8388

M55-59

8388

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

12664

Males

8549

M55-59

8549

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

11888

Males

8114

M55-59

8114

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

11083

Males

7619

M55-59

7619

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10895

Males

7448

M55-59

7448

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

9356

Males

6642

M55-59

6642

Passing Analysis

Category:
Athletes Passed
3107
Passed By
895
Net Change
+2212
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16082
5K → 10K664109+555#16082#15527
10K → 15K228176+52#15527#15475
15K → 20K229172+57#15475#15418
20K → Half1786-69#15418#15487
Half → 25K31740+277#15487#15210
25K → 30K391105+286#15210#14924
30K → 20M17172+99#14924#14825
20M → 21M17343+130#14825#14695
21M → 35K14922+127#14695#14568
35K → 23M16731+136#14568#14432
23M → 24M14416+128#14432#14304
24M → 40K15510+145#14304#14159
40K → 25.2M759+66#14159#14093
25.2M → Finish2274+223#14093#13870
TOTALS3107895+2212
📊

Passing Visuals

Category:
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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