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BOSTON MARATHON 2025

Alfredo Laboy

Bib: 25788•M

PR

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:58/mi
24:44
↑ 97↓ 3451.5%
10K· 6.21 mi
8:23/mi
50:47
↑ 79↓ 1380.4%
15K· 9.32 mi
8:34/mi
1:17:24
↑ 67↓ 78
20K· 12.43 mi
9:16/mi
1:46:10
↑ 106↓ 860.1%
Half· 13.11 mi
8:42/mi
1:52:06
↑ 19↓ 370.5%
25K· 15.53 mi
9:44/mi
2:15:42
↑ 66↓ 880.2%
30K· 18.64 mi
11:26/mi
2:51:13
↑ 181↓ 1480.2%
20M
12:08/mi
3:07:42
↑ 64↓ 500.2%
21M
13:44/mi
3:21:26
↑ 106↓ 241.6%
35K· 21.75 mi
11:39/mi
3:30:09
↑ 17↓ 861.7%
23M
11:47/mi
3:44:54
↑ 23↓ 630.6%
24M
11:07/mi
3:56:01
↓ 821.3%
40K· 24.85 mi
12:36/mi
4:06:47
↓ 200.3%
25.2M
13:06/mi
4:11:18
↑ 13↓ 160.2%
Finish· 26.22 mi
10:39/mi
4:22:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:06
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time2:30:03
Pace11:27 /mi
📊Positive Split: 33.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:4724:447:5824:44
7:58
-
10K
6.21 mi12:05:5050:478:1026:03
8:23
+0:25
15K
9.32 mi12:32:271:17:248:1826:37
8:34
+0:11
20K
12.43 mi13:01:131:46:108:3328:46
9:16
+0:42
Half
13.11 mi13:07:091:52:068:335:56
8:42
-0:34
25K
15.53 mi13:30:452:15:428:4423:36
9:44
+1:02
30K
18.64 mi14:06:162:51:139:1135:31
11:26
+1:42
20M
20.00 mi14:22:453:07:429:2316:29
12:08
+0:42
21M
21.00 mi14:36:293:21:269:3613:44
13:44
+1:36
35K
21.75 mi14:45:123:30:099:408:43
11:39
-2:05
23M
23.00 mi14:59:573:44:549:4714:45
11:47
+0:08
24M
24.00 mi15:11:043:56:019:5011:07
11:07
-0:40
40K
24.85 mi15:21:504:06:479:5610:46
12:36
+1:29
25.2M
25.20 mi15:26:214:11:189:584:31
13:06
+0:30
Finish
26.22 mi15:37:124:22:0910:0010:51
10:39
-2:27

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

7:58 /mi

Average Pace

10:00 /mi

Slowest Pace

13:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:42

52% of race

Time at Steady Pace

1:20:57

31% of race

Time at Slower Pace

45:30

17% of race

Average Pace: 10:00 /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 mi11:39:4724:447:5824:44
7:58
#16288
10K
6.21 mi12:05:5050:478:1026:03
8:23
#17787
15K
9.32 mi12:32:271:17:248:1826:37
8:34
#18428
20K
12.43 mi13:01:131:46:108:3328:46
9:16
#19553
Half
13.11 mi13:07:091:52:068:335:56
8:42
#19589
25K
15.53 mi13:30:452:15:428:4423:36
9:44
#20276
30K
18.64 mi14:06:162:51:139:1135:31
11:26
#21686
20M
20.00 mi14:22:453:07:429:2316:29
12:08
#22195
21M
21.00 mi14:36:293:21:269:3613:44
13:44
#22540
35K
21.75 mi14:45:123:30:099:408:43
11:39
#22676
23M
23.00 mi14:59:573:44:549:4714:45
11:47
#22834
24M
24.00 mi15:11:043:56:019:5011:07
11:07
#22893
40K
24.85 mi15:21:504:06:479:5610:46
12:36
#23078
25.2M
25.20 mi15:26:214:11:189:584:31
13:06
#23113
Finish
26.22 mi15:37:124:22:0910:0010:51
10:39
#23185
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi16288109221092219739(Top 69%)12392(Top 77%)12392(Top 621%)
10K6.21 mi3.10 mi17787-149911537-61511537-61519094(Top 67%)12105(Top 75%)12105(Top 606%)
15K9.32 mi3.11 mi18428-64111793-25611793-25619739(Top 69%)12392(Top 77%)12392(Top 621%)
20K12.43 mi3.11 mi19553-112512281-48812281-48822124(Top 78%)13417(Top 83%)13417(Top 672%)
Half13.11 mi0.68 mi19589-3612292-1112292-1120346(Top 72%)12638(Top 78%)12638(Top 633%)
25K15.53 mi2.42 mi20276-68712575-28312575-28322579(Top 79%)13550(Top 84%)13550(Top 679%)
30K18.64 mi3.11 mi21686-141013178-60313178-60324752(Top 87%)14419(Top 90%)14419(Top 722%)
20M20.00 mi1.36 mi22195-50913387-20913387-20925440(Top 90%)14652(Top 91%)14652(Top 734%)
21M21.00 mi1.00 mi22540-34513513-12613513-12625925(Top 91%)14851(Top 92%)14851(Top 744%)
35K21.75 mi0.75 mi22676-13613555-4213555-4225327(Top 89%)14505(Top 90%)14505(Top 727%)
23M23.00 mi1.25 mi22834-15813600-4513600-4524725(Top 87%)14203(Top 88%)14203(Top 712%)
24M24.00 mi1.00 mi22893-5913602-213602-224218(Top 85%)13928(Top 86%)13928(Top 698%)
40K24.85 mi0.85 mi23078-18513669-6713669-6725779(Top 91%)14679(Top 91%)14679(Top 735%)
25.2M25.20 mi0.35 mi23113-3513680-1113680-1125173(Top 89%)14326(Top 89%)14326(Top 718%)
Finish26.22 mi1.02 mi23185-7213704-2413704-2424610(Top 87%)14087(Top 87%)14087(Top 706%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

19739

Males

12392

M50-54

12392

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

19094

Males

12105

M50-54

12105

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

19739

Males

12392

M50-54

12392

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

22124

Males

13417

M50-54

13417

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

20346

Males

12638

M50-54

12638

Half→25K

13.1 - 15.5 mi

Top 79%
×4story building
+66ft-88ft

Overall

22579

Males

13550

M50-54

13550

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

24752

Males

14419

M50-54

14419

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

25440

Males

14652

M50-54

14652

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

25925

Males

14851

M50-54

14851

21M→35K

21.0 - 21.8 mi

Top 89%
×7story building
+17ft-86ft

Overall

25327

Males

14505

M50-54

14505

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

24725

Males

14203

M50-54

14203

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

24218

Males

13928

M50-54

13928

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

25779

Males

14679

M50-54

14679

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25173

Males

14326

M50-54

14326

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

24610

Males

14087

M50-54

14087

Passing Analysis

Category:
Athletes Passed
351
Passed By
7248
Net Change
-6897
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16288
5K → 10K281527-1499#16288#17787
10K → 15K49690-641#17787#18428
15K → 20K271152-1125#18428#19553
20K → Half2258-36#19553#19589
Half → 25K33720-687#19589#20276
25K → 30K291439-1410#20276#21686
30K → 20M14523-509#21686#22195
20M → 21M21366-345#22195#22540
21M → 35K17153-136#22540#22676
35K → 23M32190-158#22676#22834
23M → 24M4099-59#22834#22893
24M → 40K14199-185#22893#23078
40K → 25.2M641-35#23078#23113
25.2M → Finish1991-72#23113#23185
TOTALS3517248-6897
📊

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