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BOSTON MARATHON 2025

Arthur Mazzeo

Bib: 2537•M

NC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 20%
Gender (Male)
#0 / 16105
Top 31%
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
19:15
Rank: #1857
Start → 5K
19:15 | 6:12/mi
10K· 6.21 mi
38:44
Rank: #2052 (-195)
5K → 10K
19:29 | 6:16/mi
15K· 9.32 mi
58:05
Rank: #2011 (+41)
10K → 15K
19:21 | 6:14/mi
20K· 12.43 mi
1:17:22
Rank: #1882 (+129)
15K → 20K
19:17 | 6:12/mi
Half· 13.11 mi
1:21:33
Rank: #1868 (+14)
20K → Half
4:11 | 6:08/mi
25K· 15.53 mi
1:37:05
Rank: #1935 (-67)
Half → 25K
15:32 | 6:24/mi
30K· 18.64 mi
2:00:28
Rank: #2807 (-872)
25K → 30K
23:23 | 7:32/mi
20M
2:10:59
Rank: #3158 (-351)
30K → 20M
10:31 | 7:44/mi
21M
2:19:15
Rank: #3435 (-277)
20M → 21M
8:16 | 8:16/mi
35K· 21.75 mi
2:26:42
Rank: #4141 (-706)
21M → 35K
7:27 | 9:57/mi
23M
2:37:03
Rank: #4620 (-479)
35K → 23M
10:21 | 8:16/mi
24M
2:44:59
Rank: #4937 (-317)
23M → 24M
7:56 | 7:56/mi
40K· 24.85 mi
2:53:26
Rank: #5445 (-508)
24M → 40K
8:27 | 9:53/mi
25.2M
2:56:35
Rank: #5501 (-56)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:04:20
Rank: #5599 (-98)
25.2M → Finish
7:45 | 7:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:33
Pace6:13 /mi
2nd Half
Distance13.11 mi
Time1:42:47
Pace7:50 /mi
📊Positive Split: 26.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1019:156:1219:15
6:12
-
10K
6.21 mi10:39:3938:446:1419:29
6:16
+0:04
15K
9.32 mi10:59:0058:056:1419:21
6:14
-0:02
20K
12.43 mi11:18:171:17:226:1419:17
6:12
-0:02
Half
13.11 mi11:22:281:21:336:134:11
6:08
-0:04
25K
15.53 mi11:38:001:37:056:1515:32
6:24
+0:16
30K
18.64 mi12:01:232:00:286:2823:23
7:32
+1:08
20M
20.00 mi12:11:542:10:596:3310:31
7:44
+0:12
21M
21.00 mi12:20:102:19:156:388:16
8:16
+0:32
35K
21.75 mi12:27:372:26:426:457:27
9:57
+1:41
23M
23.00 mi12:37:582:37:036:5010:21
8:16
-1:41
24M
24.00 mi12:45:542:44:596:527:56
7:56
-0:20
40K
24.85 mi12:54:212:53:266:598:27
9:53
+1:57
25.2M
25.20 mi12:57:302:56:357:003:09
9:08
-0:45
Finish
26.22 mi13:05:153:04:207:027:45
7:36
-1:32

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

6:08 /mi

Average Pace

7:02 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:05

53% of race

Time at Steady Pace

49:35

27% of race

Time at Slower Pace

37:40

20% of race

Average Pace: 7:02 /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 mi10:20:1019:156:1219:15
6:12
#1857
10K
6.21 mi10:39:3938:446:1419:29
6:16
#2052
15K
9.32 mi10:59:0058:056:1419:21
6:14
#2011
20K
12.43 mi11:18:171:17:226:1419:17
6:12
#1882
Half
13.11 mi11:22:281:21:336:134:11
6:08
#1868
25K
15.53 mi11:38:001:37:056:1515:32
6:24
#1935
30K
18.64 mi12:01:232:00:286:2823:23
7:32
#2807
20M
20.00 mi12:11:542:10:596:3310:31
7:44
#3158
21M
21.00 mi12:20:102:19:156:388:16
8:16
#3435
35K
21.75 mi12:27:372:26:426:457:27
9:57
#4141
23M
23.00 mi12:37:582:37:036:5010:21
8:16
#4620
24M
24.00 mi12:45:542:44:596:527:56
7:56
#4937
40K
24.85 mi12:54:212:53:266:598:27
9:53
#5445
25.2M
25.20 mi12:57:302:56:357:003:09
9:08
#5501
Finish
26.22 mi13:05:153:04:207:027:45
7:36
#5599
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1857176517651988(Top 7%)1894(Top 12%)1894(Top 34%)
10K6.21 mi3.10 mi2052-1951957-1921957-1922248(Top 8%)2149(Top 13%)2149(Top 38%)
15K9.32 mi3.11 mi2011+411915+421915+421988(Top 7%)1894(Top 12%)1894(Top 34%)
20K12.43 mi3.11 mi1882+1291793+1221793+1221611(Top 6%)1530(Top 10%)1530(Top 27%)
Half13.11 mi0.68 mi1868+141779+141779+141710(Top 6%)1629(Top 10%)1629(Top 29%)
25K15.53 mi2.42 mi1935-671845-661845-662415(Top 9%)2298(Top 14%)2298(Top 41%)
30K18.64 mi3.11 mi2807-8722675-8302675-8307921(Top 28%)6530(Top 41%)6530(Top 116%)
20M20.00 mi1.36 mi3158-3512991-3162991-3168595(Top 30%)6774(Top 42%)6774(Top 120%)
21M21.00 mi1.00 mi3435-2773246-2553246-2558975(Top 32%)6794(Top 42%)6794(Top 120%)
35K21.75 mi0.75 mi4141-7063861-6153861-61521764(Top 77%)12789(Top 79%)12789(Top 227%)
23M23.00 mi1.25 mi4620-4794259-3984259-39811782(Top 41%)8119(Top 50%)8119(Top 144%)
24M24.00 mi1.00 mi4937-3174521-2624521-26210738(Top 38%)7542(Top 47%)7542(Top 134%)
40K24.85 mi0.85 mi5445-5084924-4034924-40320040(Top 71%)11797(Top 73%)11797(Top 209%)
25.2M25.20 mi0.35 mi5501-564958-344958-3412458(Top 44%)8187(Top 51%)8187(Top 145%)
Finish26.22 mi1.02 mi5599-985018-605018-609928(Top 35%)6937(Top 43%)6937(Top 123%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1988

Males

1894

M18-39

1894

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2248

Males

2149

M18-39

2149

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1988

Males

1894

M18-39

1894

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1611

Males

1530

M18-39

1530

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1710

Males

1629

M18-39

1629

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2415

Males

2298

M18-39

2298

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7921

Males

6530

M18-39

6530

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

8595

Males

6774

M18-39

6774

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8975

Males

6794

M18-39

6794

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

21764

Males

12789

M18-39

12789

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

11782

Males

8119

M18-39

8119

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

10738

Males

7542

M18-39

7542

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

20040

Males

11797

M18-39

11797

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12458

Males

8187

M18-39

8187

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9928

Males

6937

M18-39

6937

Passing Analysis

Category:
Athletes Passed
419
Passed By
4161
Net Change
-3742
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1857
5K → 10K46241-195#1857#2052
10K → 15K8746+41#2052#2011
15K → 20K1378+129#2011#1882
20K → Half184+14#1882#1868
Half → 25K2996-67#1868#1935
25K → 30K9881-872#1935#2807
30K → 20M9360-351#2807#3158
20M → 21M6283-277#3158#3435
21M → 35K3709-706#3435#4141
35K → 23M17496-479#4141#4620
23M → 24M13330-317#4620#4937
24M → 40K8516-508#4937#5445
40K → 25.2M1470-56#5445#5501
25.2M → Finish23121-98#5501#5599
TOTALS4194161-3742
📊

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