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BOSTON MARATHON 2025

Aldo Baruch Nieto Pereira

Bib: 29870•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:46
Rank: #22158
Start → 5K
8:56/mi
27:46 split
10K· 6.21 mi
55:36
Rank: #22189 (-31)
5K → 10K
8:58/mi
27:50 split
15K· 9.32 mi
1:24:06
Rank: #22374 (-185)
10K → 15K
9:10/mi
28:30 split
20K· 12.43 mi
1:53:49
Rank: #22616 (-242)
15K → 20K
9:34/mi
29:43 split
Half· 13.11 mi
2:00:21
Rank: #22685 (-69)
20K → Half
9:35/mi
6:32 split
25K· 15.53 mi
2:24:37
Rank: #22821 (-136)
Half → 25K
10:01/mi
24:16 split
30K· 18.64 mi
3:01:29
Rank: #23498 (-677)
25K → 30K
11:52/mi
36:52 split
20M
3:20:16
Rank: #24032 (-534)
30K → 20M
13:49/mi
18:47 split
21M
3:37:13
Rank: #24557 (-525)
20M → 21M
16:57/mi
16:57 split
35K· 21.75 mi
3:47:55
Rank: #24764 (-207)
21M → 35K
14:18/mi
10:42 split
23M
4:05:31
Rank: #25034 (-270)
35K → 23M
14:03/mi
17:36 split
24M
4:17:16
Rank: #25046 (-12)
23M → 24M
11:45/mi
11:45 split
40K· 24.85 mi
4:26:43
Rank: #24980 (+66)
24M → 40K
11:03/mi
9:27 split
25.2M
4:30:37
Rank: #24944 (+36)
40K → 25.2M
11:19/mi
3:54 split
Finish· 26.22 mi
4:40:54
Rank: #24909 (+35)
25.2M → Finish
10:05/mi
10:17 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:21
Pace9:11 /mi
2nd Half
Distance13.11 mi
Time2:40:33
Pace12:15 /mi
📊Positive Split: 33.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:2627:468:5627:46
8:56
-
10K
6.21 mi12:15:1655:368:5727:50
8:58
+0:02
15K
9.32 mi12:43:461:24:069:0128:30
9:10
+0:12
20K
12.43 mi13:13:291:53:499:1029:43
9:34
+0:24
Half
13.11 mi13:20:012:00:219:116:32
9:35
+0:01
25K
15.53 mi13:44:172:24:379:1924:16
10:01
+0:26
30K
18.64 mi14:21:093:01:299:4436:52
11:52
+1:51
20M
20.00 mi14:39:563:20:1610:0118:47
13:49
+1:57
21M
21.00 mi14:56:533:37:1310:2116:57
16:57
+3:08
35K
21.75 mi15:07:353:47:5510:2910:42
14:18
-2:39
23M
23.00 mi15:25:114:05:3110:4017:36
14:03
-0:15
24M
24.00 mi15:36:564:17:1610:4311:45
11:45
-2:18
40K
24.85 mi15:46:234:26:4310:449:27
11:03
-0:42
25.2M
25.20 mi15:50:174:30:3710:443:54
11:19
+0:16
Finish
26.22 mi16:00:344:40:5410:4310:17
10:05
-1:14

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

8:56 /mi

Average Pace

10:43 /mi

Slowest Pace

16:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:21

43% of race

Time at Steady Pace

1:36:31

34% of race

Time at Slower Pace

1:04:02

23% of race

Average Pace: 10:43 /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 mi11:47:2627:468:5627:46
8:56
#22158
10K
6.21 mi12:15:1655:368:5727:50
8:58
#22189
15K
9.32 mi12:43:461:24:069:0128:30
9:10
#22374
20K
12.43 mi13:13:291:53:499:1029:43
9:34
#22616
Half
13.11 mi13:20:012:00:219:116:32
9:35
#22685
25K
15.53 mi13:44:172:24:379:1924:16
10:01
#22821
30K
18.64 mi14:21:093:01:299:4436:52
11:52
#23498
20M
20.00 mi14:39:563:20:1610:0118:47
13:49
#24032
21M
21.00 mi14:56:533:37:1310:2116:57
16:57
#24557
35K
21.75 mi15:07:353:47:5510:2910:42
14:18
#24764
23M
23.00 mi15:25:114:05:3110:4017:36
14:03
#25034
24M
24.00 mi15:36:564:17:1610:4311:45
11:45
#25046
40K
24.85 mi15:46:234:26:4310:449:27
11:03
#24980
25.2M
25.20 mi15:50:174:30:3710:443:54
11:19
#24944
Finish
26.22 mi16:00:344:40:5410:4310:17
10:05
#24909
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi22158133881338822756(Top 80%)13719(Top 85%)13719(Top 611%)
10K6.21 mi3.10 mi22189-3113410-2213410-2222197(Top 78%)13431(Top 83%)13431(Top 598%)
15K9.32 mi3.11 mi22374-18513520-11013520-11022756(Top 80%)13719(Top 85%)13719(Top 611%)
20K12.43 mi3.11 mi22616-24213642-12213642-12223105(Top 81%)13837(Top 86%)13837(Top 616%)
Half13.11 mi0.68 mi22685-6913679-3713679-3723787(Top 84%)14146(Top 88%)14146(Top 630%)
25K15.53 mi2.42 mi22821-13613714-3513714-3523275(Top 82%)13868(Top 86%)13868(Top 617%)
30K18.64 mi3.11 mi23498-67713981-26713981-26725404(Top 89%)14720(Top 91%)14720(Top 655%)
20M20.00 mi1.36 mi24032-53414201-22014201-22027155(Top 96%)15449(Top 96%)15449(Top 688%)
21M21.00 mi1.00 mi24557-52514428-22714428-22728136(Top 99%)15946(Top 99%)15946(Top 710%)
35K21.75 mi0.75 mi24764-20714520-9214520-9227837(Top 98%)15746(Top 98%)15746(Top 701%)
23M23.00 mi1.25 mi25034-27014623-10314623-10327375(Top 96%)15517(Top 96%)15517(Top 691%)
24M24.00 mi1.00 mi25046-1214618+514618+525336(Top 89%)14479(Top 90%)14479(Top 644%)
40K24.85 mi0.85 mi24980+6614575+4314575+4323271(Top 82%)13381(Top 83%)13381(Top 596%)
25.2M25.20 mi0.35 mi24944+3614556+1914556+1921548(Top 76%)12571(Top 78%)12571(Top 559%)
Finish26.22 mi1.02 mi24909+3514529+2714529+2723195(Top 82%)13374(Top 83%)13374(Top 595%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

22756

Males

13719

M40-44

13719

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

22197

Males

13431

M40-44

13431

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

22756

Males

13719

M40-44

13719

15K→20K

9.3 - 12.4 mi

Top 81%
×5story building
+106ft-86ft

Overall

23105

Males

13837

M40-44

13837

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

23787

Males

14146

M40-44

14146

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

23275

Males

13868

M40-44

13868

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

25404

Males

14720

M40-44

14720

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

27155

Males

15449

M40-44

15449

20M→21M

20.0 - 21.0 mi

Top 99%
×8story building
+106ft-24ft

Overall

28136

Males

15946

M40-44

15946

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

27837

Males

15746

M40-44

15746

35K→23M

21.8 - 23.0 mi

Top 96%
×5story building
+23ft-63ft

Overall

27375

Males

15517

M40-44

15517

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

25336

Males

14479

M40-44

14479

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

23271

Males

13381

M40-44

13381

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21548

Males

12571

M40-44

12571

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2story building
+22ft-21ft

Overall

23195

Males

13374

M40-44

13374

Passing Analysis

Category:
Athletes Passed
844
Passed By
3595
Net Change
-2751
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22158
5K → 10K245276-31#22158#22189
10K → 15K126311-185#22189#22374
15K → 20K100342-242#22374#22616
20K → Half1887-69#22616#22685
Half → 25K103239-136#22685#22821
25K → 30K36713-677#22821#23498
30K → 20M11545-534#23498#24032
20M → 21M3528-525#24032#24557
21M → 35K3210-207#24557#24764
35K → 23M5275-270#24764#25034
23M → 24M2941-12#25034#25046
24M → 40K759+66#25046#24980
40K → 25.2M404+36#24980#24944
25.2M → Finish5015+35#24944#24909
TOTALS8443595-2751
📊

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