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BOSTON MARATHON 2025

Alessandro Macchi

Bib: 3812•M

CT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 27%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:12
Rank: #3842
Start → 5K
20:12 | 6:30/mi
10K· 6.21 mi
40:37
Rank: #4028 (-186)
5K → 10K
20:25 | 6:34/mi
15K· 9.32 mi
1:01:01
Rank: #4005 (+23)
10K → 15K
20:24 | 6:34/mi
20K· 12.43 mi
1:21:56
Rank: #4110 (-105)
15K → 20K
20:55 | 6:44/mi
Half· 13.11 mi
1:26:29
Rank: #4142 (-32)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:42:57
Rank: #4199 (-57)
Half → 25K
16:28 | 6:47/mi
30K· 18.64 mi
2:05:11
Rank: #4438 (-239)
25K → 30K
22:14 | 7:09/mi
20M
2:14:55
Rank: #4477 (-39)
30K → 20M
9:44 | 7:10/mi
21M
2:22:26
Rank: #4466 (+11)
20M → 21M
7:31 | 7:31/mi
35K· 21.75 mi
2:27:50
Rank: #4539 (-73)
21M → 35K
5:24 | 7:13/mi
23M
2:37:07
Rank: #4641 (-102)
35K → 23M
9:17 | 7:25/mi
24M
2:44:21
Rank: #4704 (-63)
23M → 24M
7:14 | 7:14/mi
40K· 24.85 mi
2:50:39
Rank: #4750 (-46)
24M → 40K
6:18 | 7:22/mi
25.2M
2:53:24
Rank: #4767 (-17)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
3:00:36
Rank: #4820 (-53)
25.2M → Finish
7:12 | 7:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:29
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:34:07
Pace7:11 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5420:126:3020:12
6:30
-
10K
6.21 mi10:43:1940:376:3220:25
6:34
+0:04
15K
9.32 mi11:03:431:01:016:3320:24
6:34
0:00
20K
12.43 mi11:24:381:21:566:3620:55
6:44
+0:10
Half
13.11 mi11:29:111:26:296:364:33
6:40
-0:04
25K
15.53 mi11:45:391:42:576:3816:28
6:47
+0:07
30K
18.64 mi12:07:532:05:116:4322:14
7:09
+0:22
20M
20.00 mi12:17:372:14:556:459:44
7:10
+0:01
21M
21.00 mi12:25:082:22:266:477:31
7:31
+0:21
35K
21.75 mi12:30:322:27:506:485:24
7:13
-0:18
23M
23.00 mi12:39:492:37:076:509:17
7:25
+0:12
24M
24.00 mi12:47:032:44:216:517:14
7:14
-0:11
40K
24.85 mi12:53:212:50:396:526:18
7:22
+0:08
25.2M
25.20 mi12:56:062:53:246:532:45
7:58
+0:36
Finish
26.22 mi13:03:183:00:366:547:12
7:04
-0:54

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

6:30 /mi

Average Pace

6:54 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:57

57% of race

Time at Steady Pace

51:48

29% of race

Time at Slower Pace

25:51

14% of race

Average Pace: 6:53 /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 mi10:22:5420:126:3020:12
6:30
#3842
10K
6.21 mi10:43:1940:376:3220:25
6:34
#4028
15K
9.32 mi11:03:431:01:016:3320:24
6:34
#4005
20K
12.43 mi11:24:381:21:566:3620:55
6:44
#4110
Half
13.11 mi11:29:111:26:296:364:33
6:40
#4142
25K
15.53 mi11:45:391:42:576:3816:28
6:47
#4199
30K
18.64 mi12:07:532:05:116:4322:14
7:09
#4438
20M
20.00 mi12:17:372:14:556:459:44
7:10
#4477
21M
21.00 mi12:25:082:22:266:477:31
7:31
#4466
35K
21.75 mi12:30:322:27:506:485:24
7:13
#4539
23M
23.00 mi12:39:492:37:076:509:17
7:25
#4641
24M
24.00 mi12:47:032:44:216:517:14
7:14
#4704
40K
24.85 mi12:53:212:50:396:526:18
7:22
#4750
25.2M
25.20 mi12:56:062:53:246:532:45
7:58
#4767
Finish
26.22 mi13:03:183:00:366:547:12
7:04
#4820
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3842363536353985(Top 14%)3755(Top 23%)3755(Top 67%)
10K6.21 mi3.10 mi4028-1863802-1673802-1674229(Top 15%)3974(Top 25%)3974(Top 70%)
15K9.32 mi3.11 mi4005+233776+263776+263985(Top 14%)3755(Top 23%)3755(Top 67%)
20K12.43 mi3.11 mi4110-1053866-903866-904714(Top 17%)4368(Top 27%)4368(Top 77%)
Half13.11 mi0.68 mi4142-323897-313897-314963(Top 17%)4592(Top 29%)4592(Top 81%)
25K15.53 mi2.42 mi4199-573943-463943-464796(Top 17%)4411(Top 27%)4411(Top 78%)
30K18.64 mi3.11 mi4438-2394145-2024145-2025631(Top 20%)5034(Top 31%)5034(Top 89%)
20M20.00 mi1.36 mi4477-394163-184163-184977(Top 18%)4462(Top 28%)4462(Top 79%)
21M21.00 mi1.00 mi4466+114144+194144+194672(Top 16%)4129(Top 26%)4129(Top 73%)
35K21.75 mi0.75 mi4539-734206-624206-626653(Top 23%)5472(Top 34%)5472(Top 97%)
23M23.00 mi1.25 mi4641-1024278-724278-726103(Top 21%)5019(Top 31%)5019(Top 89%)
24M24.00 mi1.00 mi4704-634322-444322-445984(Top 21%)4898(Top 30%)4898(Top 87%)
40K24.85 mi0.85 mi4750-464357-354357-355981(Top 21%)4827(Top 30%)4827(Top 86%)
25.2M25.20 mi0.35 mi4767-174365-84365-85736(Top 20%)4561(Top 28%)4561(Top 81%)
Finish26.22 mi1.02 mi4820-534403-384403-386120(Top 22%)4796(Top 30%)4796(Top 85%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3985

Males

3755

M18-39

3755

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4229

Males

3974

M18-39

3974

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3985

Males

3755

M18-39

3755

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4714

Males

4368

M18-39

4368

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4963

Males

4592

M18-39

4592

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4796

Males

4411

M18-39

4411

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5631

Males

5034

M18-39

5034

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

4977

Males

4462

M18-39

4462

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4672

Males

4129

M18-39

4129

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6653

Males

5472

M18-39

5472

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

6103

Males

5019

M18-39

5019

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5984

Males

4898

M18-39

4898

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5981

Males

4827

M18-39

4827

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5736

Males

4561

M18-39

4561

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

6120

Males

4796

M18-39

4796

Passing Analysis

Category:
Athletes Passed
761
Passed By
1739
Net Change
-978
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3842
5K → 10K79265-186#3842#4028
10K → 15K9774+23#4028#4005
15K → 20K69174-105#4005#4110
20K → Half941-32#4110#4142
Half → 25K72129-57#4142#4199
25K → 30K75314-239#4199#4438
30K → 20M61100-39#4438#4477
20M → 21M7867+11#4477#4466
21M → 35K30103-73#4466#4539
35K → 23M51153-102#4539#4641
23M → 24M43106-63#4641#4704
24M → 40K4591-46#4704#4750
40K → 25.2M2340-17#4750#4767
25.2M → Finish2982-53#4767#4820
TOTALS7611739-978
📊

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