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BOSTON MARATHON 2025

Amilcar Alfaro-Martell

Bib: 7284•M

NY

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
30:06
Rank: #24811
Start → 5K
30:06 | 9:41/mi
10K· 6.21 mi
1:02:11
Rank: #25461 (-650)
5K → 10K
32:05 | 10:20/mi
15K· 9.32 mi
1:32:47
Rank: #25173 (+288)
10K → 15K
30:36 | 9:51/mi
20K· 12.43 mi
2:04:40
Rank: #25087 (+86)
15K → 20K
31:53 | 10:16/mi
Half· 13.11 mi
2:11:24
Rank: #25052 (+35)
20K → Half
6:44 | 9:52/mi
25K· 15.53 mi
2:36:41
Rank: #24911 (+141)
Half → 25K
25:17 | 10:26/mi
30K· 18.64 mi
3:10:21
Rank: #24676 (+235)
25K → 30K
33:40 | 10:50/mi
20M
3:25:20
Rank: #24616 (+60)
30K → 20M
14:59 | 11:02/mi
21M
3:36:58
Rank: #24523 (+93)
20M → 21M
11:38 | 11:38/mi
35K· 21.75 mi
3:44:17
Rank: #24433 (+90)
21M → 35K
7:19 | 9:47/mi
23M
3:57:35
Rank: #24315 (+118)
35K → 23M
13:18 | 10:37/mi
24M
4:07:47
Rank: #24225 (+90)
23M → 24M
10:12 | 10:12/mi
40K· 24.85 mi
4:16:57
Rank: #24178 (+47)
24M → 40K
9:10 | 10:43/mi
25.2M
4:21:09
Rank: #24170 (+8)
40K → 25.2M
4:12 | 12:11/mi
Finish· 26.22 mi
4:31:36
Rank: #24158 (+12)
25.2M → Finish
10:27 | 10:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:24
Pace10:01 /mi
2nd Half
Distance13.11 mi
Time2:20:12
Pace10:42 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:5930:069:4130:06
9:41
-
10K
6.21 mi12:30:041:02:1110:0032:05
10:20
+0:39
15K
9.32 mi13:00:401:32:479:5730:36
9:51
-0:29
20K
12.43 mi13:32:332:04:4010:0231:53
10:16
+0:25
Half
13.11 mi13:39:172:11:2410:016:44
9:52
-0:24
25K
15.53 mi14:04:342:36:4110:0525:17
10:26
+0:34
30K
18.64 mi14:38:143:10:2110:1333:40
10:50
+0:24
20M
20.00 mi14:53:133:25:2010:1614:59
11:02
+0:12
21M
21.00 mi15:04:513:36:5810:2011:38
11:38
+0:36
35K
21.75 mi15:12:103:44:1710:197:19
9:47
-1:51
23M
23.00 mi15:25:283:57:3510:2013:18
10:37
+0:50
24M
24.00 mi15:35:404:07:4710:1910:12
10:12
-0:25
40K
24.85 mi15:44:504:16:5710:209:10
10:43
+0:31
25.2M
25.20 mi15:49:024:21:0910:224:12
12:11
+1:28
Finish
26.22 mi15:59:294:31:3610:2210:27
10:15
-1:56

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

9:41 /mi

Average Pace

10:22 /mi

Slowest Pace

12:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:45

28% of race

Time at Steady Pace

2:03:12

45% of race

Time at Slower Pace

1:13:39

27% of race

Average Pace: 10:22 /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 mi11:57:5930:069:4130:06
9:41
#24811
10K
6.21 mi12:30:041:02:1110:0032:05
10:20
#25461
15K
9.32 mi13:00:401:32:479:5730:36
9:51
#25173
20K
12.43 mi13:32:332:04:4010:0231:53
10:16
#25087
Half
13.11 mi13:39:172:11:2410:016:44
9:52
#25052
25K
15.53 mi14:04:342:36:4110:0525:17
10:26
#24911
30K
18.64 mi14:38:143:10:2110:1333:40
10:50
#24676
20M
20.00 mi14:53:133:25:2010:1614:59
11:02
#24616
21M
21.00 mi15:04:513:36:5810:2011:38
11:38
#24523
35K
21.75 mi15:12:103:44:1710:197:19
9:47
#24433
23M
23.00 mi15:25:283:57:3510:2013:18
10:37
#24315
24M
24.00 mi15:35:404:07:4710:1910:12
10:12
#24225
40K
24.85 mi15:44:504:16:5710:209:10
10:43
#24178
25.2M
25.20 mi15:49:024:21:0910:224:12
12:11
#24170
Finish
26.22 mi15:59:294:31:3610:2210:27
10:15
#24158
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi24811146331463324651(Top 87%)14558(Top 90%)14558(Top 648%)
10K6.21 mi3.10 mi25461-65014917-28414917-28425966(Top 91%)15128(Top 94%)15128(Top 673%)
15K9.32 mi3.11 mi25173+28814787+13014787+13024651(Top 87%)14558(Top 90%)14558(Top 648%)
20K12.43 mi3.11 mi25087+8614744+4314744+4324761(Top 87%)14563(Top 90%)14563(Top 648%)
Half13.11 mi0.68 mi25052+3514720+2414720+2424532(Top 86%)14450(Top 90%)14450(Top 643%)
25K15.53 mi2.42 mi24911+14114642+7814642+7824230(Top 85%)14300(Top 89%)14300(Top 636%)
30K18.64 mi3.11 mi24676+23514512+13014512+13023688(Top 83%)13932(Top 87%)13932(Top 620%)
20M20.00 mi1.36 mi24616+6014474+3814474+3823639(Top 83%)13819(Top 86%)13819(Top 615%)
21M21.00 mi1.00 mi24523+9314415+5914415+5922886(Top 81%)13387(Top 83%)13387(Top 596%)
35K21.75 mi0.75 mi24433+9014362+5314362+5321274(Top 75%)12572(Top 78%)12572(Top 560%)
23M23.00 mi1.25 mi24315+11814297+6514297+6522335(Top 79%)13039(Top 81%)13039(Top 580%)
24M24.00 mi1.00 mi24225+9014239+5814239+5821940(Top 77%)12786(Top 79%)12786(Top 569%)
40K24.85 mi0.85 mi24178+4714196+4314196+4322503(Top 79%)12990(Top 81%)12990(Top 578%)
25.2M25.20 mi0.35 mi24170+814188+814188+823562(Top 83%)13552(Top 84%)13552(Top 603%)
Finish26.22 mi1.02 mi24158+1214177+1114177+1123676(Top 83%)13605(Top 84%)13605(Top 605%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21stories
+97ft-345ft

Overall

24651

Males

14558

M40-44

14558

5K→10K

3.1 - 6.2 mi

Top 91%
×5stories
+79ft-138ft

Overall

25966

Males

15128

M40-44

15128

10K→15K

6.2 - 9.3 mi

Top 87%
×3stories
+67ft-78ft

Overall

24651

Males

14558

M40-44

14558

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

24761

Males

14563

M40-44

14563

20K→Half

12.4 - 13.1 mi

Top 86%
×2stories
+19ft-37ft

Overall

24532

Males

14450

M40-44

14450

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

24230

Males

14300

M40-44

14300

25K→30K

15.5 - 18.6 mi

Top 83%
×9stories
+181ft-148ft

Overall

23688

Males

13932

M40-44

13932

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

23639

Males

13819

M40-44

13819

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

22886

Males

13387

M40-44

13387

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

21274

Males

12572

M40-44

12572

35K→23M

21.8 - 23.0 mi

Top 79%
×5stories
+23ft-63ft

Overall

22335

Males

13039

M40-44

13039

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

21940

Males

12786

M40-44

12786

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

22503

Males

12990

M40-44

12990

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23562

Males

13552

M40-44

13552

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

23676

Males

13605

M40-44

13605

Passing Analysis

Category:
Athletes Passed
1664
Passed By
1011
Net Change
+653
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24811
5K → 10K41691-650#24811#25461
10K → 15K32133+288#25461#25173
15K → 20K17589+86#25173#25087
20K → Half438+35#25087#25052
Half → 25K18342+141#25052#24911
25K → 30K26328+235#24911#24676
30K → 20M8525+60#24676#24616
20M → 21M10411+93#24616#24523
21M → 35K911+90#24523#24433
35K → 23M12911+118#24433#24315
23M → 24M977+90#24315#24225
24M → 40K6720+47#24225#24178
40K → 25.2M1911+8#24178#24170
25.2M → Finish4634+12#24170#24158
TOTALS16641011+653
📊

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