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BOSTON MARATHON 2025

Justin Mauro

Bib: 5741•M

MI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 14%
Gender (Male)
#0 / 16105
Top 23%
Division (M18-39)
#0 / 5642
Top 48%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:45
Rank: #5249
Start → 5K
20:45 | 6:41/mi
10K· 6.21 mi
41:43
Rank: #5492 (-243)
5K → 10K
20:58 | 6:45/mi
15K· 9.32 mi
1:02:15
Rank: #5050 (+442)
10K → 15K
20:32 | 6:37/mi
20K· 12.43 mi
1:22:53
Rank: #4721 (+329)
15K → 20K
20:38 | 6:38/mi
Half· 13.11 mi
1:27:22
Rank: #4674 (+47)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:44:14
Rank: #4884 (-210)
Half → 25K
16:52 | 6:57/mi
30K· 18.64 mi
2:05:37
Rank: #4633 (+251)
25K → 30K
21:23 | 6:53/mi
20M
2:14:51
Rank: #4447 (+186)
30K → 20M
9:14 | 6:48/mi
21M
2:22:11
Rank: #4364 (+83)
20M → 21M
7:20 | 7:20/mi
35K· 21.75 mi
2:26:58
Rank: #4216 (+148)
21M → 35K
4:47 | 6:24/mi
23M
2:35:20
Rank: #4044 (+172)
35K → 23M
8:22 | 6:41/mi
24M
2:42:07
Rank: #3990 (+54)
23M → 24M
6:47 | 6:47/mi
40K· 24.85 mi
2:48:15
Rank: #3999 (-9)
24M → 40K
6:08 | 7:10/mi
25.2M
2:50:57
Rank: #4003 (-4)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
2:57:52
Rank: #4000 (+3)
25.2M → Finish
6:55 | 6:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:22
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:30:30
Pace6:54 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:4520:456:4120:45
6:41
-
10K
6.21 mi10:47:4341:436:4320:58
6:45
+0:04
15K
9.32 mi11:08:151:02:156:4120:32
6:37
-0:08
20K
12.43 mi11:28:531:22:536:4020:38
6:38
+0:01
Half
13.11 mi11:33:221:27:226:404:29
6:34
-0:04
25K
15.53 mi11:50:141:44:146:4316:52
6:57
+0:23
30K
18.64 mi12:11:372:05:376:4421:23
6:53
-0:04
20M
20.00 mi12:20:512:14:516:459:14
6:48
-0:05
21M
21.00 mi12:28:112:22:116:467:20
7:20
+0:32
35K
21.75 mi12:32:582:26:586:454:47
6:24
-0:56
23M
23.00 mi12:41:202:35:206:458:22
6:41
+0:17
24M
24.00 mi12:48:072:42:076:456:47
6:47
+0:06
40K
24.85 mi12:54:152:48:156:466:08
7:10
+0:23
25.2M
25.20 mi12:56:572:50:576:472:42
7:50
+0:40
Finish
26.22 mi13:03:522:57:526:476:55
6:47
-1:03

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

6:24 /mi

Average Pace

6:47 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

9:16

5% of race

Time at Steady Pace

2:32:26

86% of race

Time at Slower Pace

16:10

9% of race

Average Pace: 6:47 /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 mi10:26:4520:456:4120:45
6:41
#5249
10K
6.21 mi10:47:4341:436:4320:58
6:45
#5492
15K
9.32 mi11:08:151:02:156:4120:32
6:37
#5050
20K
12.43 mi11:28:531:22:536:4020:38
6:38
#4721
Half
13.11 mi11:33:221:27:226:404:29
6:34
#4674
25K
15.53 mi11:50:141:44:146:4316:52
6:57
#4884
30K
18.64 mi12:11:372:05:376:4421:23
6:53
#4633
20M
20.00 mi12:20:512:14:516:459:14
6:48
#4447
21M
21.00 mi12:28:112:22:116:467:20
7:20
#4364
35K
21.75 mi12:32:582:26:586:454:47
6:24
#4216
23M
23.00 mi12:41:202:35:206:458:22
6:41
#4044
24M
24.00 mi12:48:072:42:076:456:47
6:47
#3990
40K
24.85 mi12:54:152:48:156:466:08
7:10
#3999
25.2M
25.20 mi12:56:572:50:576:472:42
7:50
#4003
Finish
26.22 mi13:03:522:57:526:476:55
6:47
#4000
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5249488448844297(Top 15%)4035(Top 25%)4035(Top 72%)
10K6.21 mi3.10 mi5492-2435076-1925076-1925805(Top 20%)5313(Top 33%)5313(Top 94%)
15K9.32 mi3.11 mi5050+4424703+3734703+3734297(Top 15%)4035(Top 25%)4035(Top 72%)
20K12.43 mi3.11 mi4721+3294407+2964407+2963948(Top 14%)3715(Top 23%)3715(Top 66%)
Half13.11 mi0.68 mi4674+474366+414366+414133(Top 15%)3872(Top 24%)3872(Top 69%)
25K15.53 mi2.42 mi4884-2104537-1714537-1716007(Top 21%)5398(Top 34%)5398(Top 96%)
30K18.64 mi3.11 mi4633+2514306+2314306+2313960(Top 14%)3648(Top 23%)3648(Top 65%)
20M20.00 mi1.36 mi4447+1864142+1644142+1642893(Top 10%)2702(Top 17%)2702(Top 48%)
21M21.00 mi1.00 mi4364+834053+894053+893759(Top 13%)3422(Top 21%)3422(Top 61%)
35K21.75 mi0.75 mi4216+1483924+1293924+1292003(Top 7%)1877(Top 12%)1877(Top 33%)
23M23.00 mi1.25 mi4044+1723764+1603764+1602175(Top 8%)2032(Top 13%)2032(Top 36%)
24M24.00 mi1.00 mi3990+543707+573707+573387(Top 12%)3042(Top 19%)3042(Top 54%)
40K24.85 mi0.85 mi3999-93711-43711-44868(Top 17%)4112(Top 26%)4112(Top 73%)
25.2M25.20 mi0.35 mi4003-43709+23709+24945(Top 17%)4062(Top 25%)4062(Top 72%)
Finish26.22 mi1.02 mi4000+33696+133696+134399(Top 15%)3715(Top 23%)3715(Top 66%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4297

Males

4035

M18-39

4035

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5805

Males

5313

M18-39

5313

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4297

Males

4035

M18-39

4035

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3948

Males

3715

M18-39

3715

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4133

Males

3872

M18-39

3872

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

6007

Males

5398

M18-39

5398

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3960

Males

3648

M18-39

3648

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2893

Males

2702

M18-39

2702

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3759

Males

3422

M18-39

3422

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

2003

Males

1877

M18-39

1877

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2175

Males

2032

M18-39

2032

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3387

Males

3042

M18-39

3042

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4868

Males

4112

M18-39

4112

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4945

Males

4062

M18-39

4062

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4399

Males

3715

M18-39

3715

Passing Analysis

Category:
Athletes Passed
2123
Passed By
874
Net Change
+1249
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5249
5K → 10K94337-243#5249#5492
10K → 15K45513+442#5492#5050
15K → 20K33910+329#5050#4721
20K → Half536+47#4721#4674
Half → 25K59269-210#4674#4884
25K → 30K29948+251#4884#4633
30K → 20M1915+186#4633#4447
20M → 21M11229+83#4447#4364
21M → 35K1502+148#4364#4216
35K → 23M1775+172#4216#4044
23M → 24M7925+54#4044#3990
24M → 40K4453-9#3990#3999
40K → 25.2M2024-4#3999#4003
25.2M → Finish5148+3#4003#4000
TOTALS2123874+1249
📊

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