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BOSTON MARATHON 2025

Marcelo Costa Alves Marcelo

Bib: 12723•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 34%
Gender (Male)
#0 / 16105
Top 47%
Masters (Masters Men)
#0 / 10463
Top 35%
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:20/mi
22:46
↑ 97↓ 3451.5%
10K· 6.21 mi
7:05/mi
44:45
↑ 79↓ 1380.4%
15K· 9.32 mi
7:18/mi
1:07:27
↑ 67↓ 78
20K· 12.43 mi
7:22/mi
1:30:21
↑ 106↓ 860.1%
Half· 13.11 mi
7:23/mi
1:35:23
↑ 19↓ 370.5%
25K· 15.53 mi
8:00/mi
1:54:46
↑ 66↓ 880.2%
30K· 18.64 mi
7:47/mi
2:18:58
↑ 181↓ 1480.2%
20M
7:50/mi
2:29:37
↑ 64↓ 500.2%
21M
8:20/mi
2:37:57
↑ 106↓ 241.6%
35K· 21.75 mi
7:34/mi
2:43:37
↑ 17↓ 861.7%
23M
7:49/mi
2:53:24
↑ 23↓ 630.6%
24M
7:42/mi
3:01:06
↓ 821.3%
40K· 24.85 mi
7:45/mi
3:07:44
↓ 200.3%
25.2M
8:22/mi
3:10:37
↑ 13↓ 160.2%
Finish· 26.22 mi
7:32/mi
3:18:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:23
Pace7:17 /mi
2nd Half
Distance13.11 mi
Time1:42:55
Pace7:51 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2122:467:2022:46
7:20
-
10K
6.21 mi11:14:2044:457:1221:59
7:05
-0:15
15K
9.32 mi11:37:021:07:277:1422:42
7:18
+0:13
20K
12.43 mi11:59:561:30:217:1622:54
7:22
+0:04
Half
13.11 mi12:04:581:35:237:175:02
7:23
+0:01
25K
15.53 mi12:24:211:54:467:2319:23
8:00
+0:37
30K
18.64 mi12:48:332:18:587:2724:12
7:47
-0:13
20M
20.00 mi12:59:122:29:377:2910:39
7:50
+0:03
21M
21.00 mi13:07:322:37:577:318:20
8:20
+0:30
35K
21.75 mi13:13:122:43:377:315:40
7:34
-0:46
23M
23.00 mi13:22:592:53:247:329:47
7:49
+0:15
24M
24.00 mi13:30:413:01:067:337:42
7:42
-0:07
40K
24.85 mi13:37:193:07:447:336:38
7:45
+0:03
25.2M
25.20 mi13:40:123:10:377:342:53
8:22
+0:37
Finish
26.22 mi13:47:533:18:187:347:41
7:32
-0:50

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

7:05 /mi

Average Pace

7:34 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:16

74% of race

Time at Steady Pace

48:09

24% of race

Time at Slower Pace

2:53

1% of race

Average Pace: 7:34 /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 mi10:52:2122:467:2022:46
7:20
#10626
10K
6.21 mi11:14:2044:457:1221:59
7:05
#9472
15K
9.32 mi11:37:021:07:277:1422:42
7:18
#9630
20K
12.43 mi11:59:561:30:217:1622:54
7:22
#9600
Half
13.11 mi12:04:581:35:237:175:02
7:23
#9652
25K
15.53 mi12:24:211:54:467:2319:23
8:00
#10336
30K
18.64 mi12:48:332:18:587:2724:12
7:47
#10192
20M
20.00 mi12:59:122:29:377:2910:39
7:50
#10060
21M
21.00 mi13:07:322:37:577:318:20
8:20
#10005
35K
21.75 mi13:13:122:43:377:315:40
7:34
#9934
23M
23.00 mi13:22:592:53:247:329:47
7:49
#9831
24M
24.00 mi13:30:413:01:067:337:42
7:42
#9772
40K
24.85 mi13:37:193:07:447:336:38
7:45
#9690
25.2M
25.20 mi13:40:123:10:377:342:53
8:22
#9635
Finish
26.22 mi13:47:533:18:187:347:41
7:32
#9610
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi106268498849810034(Top 35%)8102(Top 50%)8102(Top 340%)
10K6.21 mi3.10 mi9472+11547883+6157883+6158469(Top 30%)7278(Top 45%)7278(Top 305%)
15K9.32 mi3.11 mi9630-1587943-607943-6010034(Top 35%)8102(Top 50%)8102(Top 340%)
20K12.43 mi3.11 mi9600+307886+577886+579638(Top 34%)7810(Top 48%)7810(Top 327%)
Half13.11 mi0.68 mi9652-527912-267912-2610615(Top 37%)8337(Top 52%)8337(Top 349%)
25K15.53 mi2.42 mi10336-6848249-3378249-33713822(Top 49%)9660(Top 60%)9660(Top 405%)
30K18.64 mi3.11 mi10192+1448110+1398110+1399849(Top 35%)7605(Top 47%)7605(Top 319%)
20M20.00 mi1.36 mi10060+1328016+948016+949264(Top 33%)7140(Top 44%)7140(Top 299%)
21M21.00 mi1.00 mi10005+557946+707946+709417(Top 33%)7053(Top 44%)7053(Top 296%)
35K21.75 mi0.75 mi9934+717880+667880+669138(Top 32%)6928(Top 43%)6928(Top 290%)
23M23.00 mi1.25 mi9831+1037781+997781+998673(Top 31%)6539(Top 41%)6539(Top 274%)
24M24.00 mi1.00 mi9772+597715+667715+669105(Top 32%)6707(Top 42%)6707(Top 281%)
40K24.85 mi0.85 mi9690+827641+747641+748466(Top 30%)6240(Top 39%)6240(Top 262%)
25.2M25.20 mi0.35 mi9635+557592+497592+497948(Top 28%)5889(Top 37%)5889(Top 247%)
Finish26.22 mi1.02 mi9610+257537+557537+559461(Top 33%)6689(Top 42%)6689(Top 280%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

10034

Males

8102

M45-49

8102

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

8469

Males

7278

M45-49

7278

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

10034

Males

8102

M45-49

8102

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9638

Males

7810

M45-49

7810

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

10615

Males

8337

M45-49

8337

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

13822

Males

9660

M45-49

9660

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

9849

Males

7605

M45-49

7605

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

9264

Males

7140

M45-49

7140

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

9417

Males

7053

M45-49

7053

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

9138

Males

6928

M45-49

6928

35K→23M

21.8 - 23.0 mi

Top 31%
×5story building
+23ft-63ft

Overall

8673

Males

6539

M45-49

6539

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

9105

Males

6707

M45-49

6707

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8466

Males

6240

M45-49

6240

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7948

Males

5889

M45-49

5889

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

9461

Males

6689

M45-49

6689

Passing Analysis

Category:
Athletes Passed
2784*
Passed By
1764
Net Change
+1016
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10626
5K → 10K1177*23+1154#10626#9472
10K → 15K115273-158#9472#9630
15K → 20K192162+30#9630#9600
20K → Half1567-52#9600#9652
Half → 25K44726-684#9652#10336
25K → 30K302157+144#10336#10192
30K → 20M18149+132#10192#10060
20M → 21M13983+55#10060#10005
21M → 35K9827+71#10005#9934
35K → 23M15148+103#9934#9831
23M → 24M11152+59#9831#9772
24M → 40K11028+82#9772#9690
40K → 25.2M649+55#9690#9635
25.2M → Finish8560+25#9635#9610
TOTALS2784*1764+1016

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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