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BOSTON MARATHON 2025

Carlos Marca

Bib: 8888•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 21%
Gender (Male)
#0 / 16105
Top 32%
Masters (Masters Men)
#0 / 10463
Top 18%
Division (M50-54)
#0 / 1996
Top 13%
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
6:21/mi
19:45
↑ 97↓ 3451.5%
10K· 6.21 mi
6:38/mi
40:22
↑ 79↓ 1380.4%
15K· 9.32 mi
6:49/mi
1:01:32
↑ 67↓ 78
20K· 12.43 mi
7:09/mi
1:23:46
↑ 106↓ 860.1%
Half· 13.11 mi
7:09/mi
1:28:39
↑ 19↓ 370.5%
25K· 15.53 mi
7:17/mi
1:46:19
↑ 66↓ 880.2%
30K· 18.64 mi
7:34/mi
2:09:49
↑ 181↓ 1480.2%
20M
7:27/mi
2:19:57
↑ 64↓ 500.2%
21M
7:59/mi
2:27:56
↑ 106↓ 241.6%
35K· 21.75 mi
6:56/mi
2:33:07
↑ 17↓ 861.7%
23M
7:17/mi
2:42:14
↑ 23↓ 630.6%
24M
7:06/mi
2:49:20
↓ 821.3%
40K· 24.85 mi
7:14/mi
2:55:31
↓ 200.3%
25.2M
8:07/mi
2:58:19
↑ 13↓ 160.2%
Finish· 26.22 mi
7:04/mi
3:05:31
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:39
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:36:52
Pace7:23 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:44:5319:456:2119:45
6:21
-
10K
6.21 mi11:05:3040:226:3020:37
6:38
+0:17
15K
9.32 mi11:26:401:01:326:3621:10
6:49
+0:11
20K
12.43 mi11:48:541:23:466:4422:14
7:09
+0:20
Half
13.11 mi11:53:471:28:396:464:53
7:09
0:00
25K
15.53 mi12:11:271:46:196:5117:40
7:17
+0:08
30K
18.64 mi12:34:572:09:496:5823:30
7:34
+0:17
20M
20.00 mi12:45:052:19:577:0010:08
7:27
-0:07
21M
21.00 mi12:53:042:27:567:037:59
7:59
+0:32
35K
21.75 mi12:58:152:33:077:025:11
6:56
-1:03
23M
23.00 mi13:07:222:42:147:039:07
7:17
+0:21
24M
24.00 mi13:14:282:49:207:037:06
7:06
-0:11
40K
24.85 mi13:20:392:55:317:046:11
7:14
+0:08
25.2M
25.20 mi13:23:272:58:197:052:48
8:07
+0:53
Finish
26.22 mi13:30:393:05:317:057:12
7:04
-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

6:21 /mi

Average Pace

7:05 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:01:32

33% of race

Time at Steady Pace

1:19:34

43% of race

Time at Slower Pace

44:25

24% of race

Average Pace: 7:05 /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 mi10:44:5319:456:2119:45
6:21
#2799
10K
6.21 mi11:05:3040:226:3020:37
6:38
#3746
15K
9.32 mi11:26:401:01:326:3621:10
6:49
#4413
20K
12.43 mi11:48:541:23:466:4422:14
7:09
#5372
Half
13.11 mi11:53:471:28:396:464:53
7:09
#5599
25K
15.53 mi12:11:271:46:196:5117:40
7:17
#6112
30K
18.64 mi12:34:572:09:496:5823:30
7:34
#6423
20M
20.00 mi12:45:052:19:577:0010:08
7:27
#6367
21M
21.00 mi12:53:042:27:567:037:59
7:59
#6349
35K
21.75 mi12:58:152:33:077:025:11
6:56
#6265
23M
23.00 mi13:07:222:42:147:039:07
7:17
#6138
24M
24.00 mi13:14:282:49:207:037:06
7:06
#6038
40K
24.85 mi13:20:392:55:317:046:11
7:14
#5957
25.2M
25.20 mi13:23:272:58:197:052:48
8:07
#5927
Finish
26.22 mi13:30:393:05:317:057:12
7:04
#5864
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi2799266426646191(Top 22%)5612(Top 35%)5612(Top 281%)
10K6.21 mi3.10 mi3746-9473549-8853549-8854744(Top 17%)4441(Top 28%)4441(Top 222%)
15K9.32 mi3.11 mi4413-6674149-6004149-6006191(Top 22%)5612(Top 35%)5612(Top 281%)
20K12.43 mi3.11 mi5372-9594969-8204969-8207843(Top 28%)6766(Top 42%)6766(Top 339%)
Half13.11 mi0.68 mi5599-2275146-1775146-1778643(Top 30%)7255(Top 45%)7255(Top 363%)
25K15.53 mi2.42 mi6112-5135548-4025548-4028237(Top 29%)6898(Top 43%)6898(Top 346%)
30K18.64 mi3.11 mi6423-3115773-2255773-2258157(Top 29%)6674(Top 41%)6674(Top 334%)
20M20.00 mi1.36 mi6367+565713+605713+606699(Top 24%)5640(Top 35%)5640(Top 283%)
21M21.00 mi1.00 mi6349+185682+315682+317225(Top 25%)5799(Top 36%)5799(Top 291%)
35K21.75 mi0.75 mi6265+845606+765606+764898(Top 17%)4310(Top 27%)4310(Top 216%)
23M23.00 mi1.25 mi6138+1275486+1205486+1205327(Top 19%)4538(Top 28%)4538(Top 227%)
24M24.00 mi1.00 mi6038+1005396+905396+905195(Top 18%)4385(Top 27%)4385(Top 220%)
40K24.85 mi0.85 mi5957+815317+795317+795197(Top 18%)4338(Top 27%)4338(Top 217%)
25.2M25.20 mi0.35 mi5927+305284+335284+336512(Top 23%)5041(Top 31%)5041(Top 253%)
Finish26.22 mi1.02 mi5864+635217+675217+676129(Top 22%)4805(Top 30%)4805(Top 241%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21story building
+97ft-345ft

Overall

6191

Males

5612

M50-54

5612

5K→10K

3.1 - 6.2 mi

Top 17%
×5story building
+79ft-138ft

Overall

4744

Males

4441

M50-54

4441

10K→15K

6.2 - 9.3 mi

Top 22%
×3story building
+67ft-78ft

Overall

6191

Males

5612

M50-54

5612

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

7843

Males

6766

M50-54

6766

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8643

Males

7255

M50-54

7255

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

8237

Males

6898

M50-54

6898

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

8157

Males

6674

M50-54

6674

30K→20M

18.6 - 20.0 mi

Top 24%
×5story building
+64ft-50ft

Overall

6699

Males

5640

M50-54

5640

20M→21M

20.0 - 21.0 mi

Top 25%
×8story building
+106ft-24ft

Overall

7225

Males

5799

M50-54

5799

21M→35K

21.0 - 21.8 mi

Top 17%
×7story building
+17ft-86ft

Overall

4898

Males

4310

M50-54

4310

35K→23M

21.8 - 23.0 mi

Top 19%
×5story building
+23ft-63ft

Overall

5327

Males

4538

M50-54

4538

23M→24M

23.0 - 24.0 mi

Top 18%
×6story building
+12ft-82ft

Overall

5195

Males

4385

M50-54

4385

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

5197

Males

4338

M50-54

4338

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6512

Males

5041

M50-54

5041

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2story building
+22ft-21ft

Overall

6129

Males

4805

M50-54

4805

Passing Analysis

Category:
Athletes Passed
932
Passed By
3997
Net Change
-3065
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2799
5K → 10K5952-947#2799#3746
10K → 15K10677-667#3746#4413
15K → 20K13972-959#4413#5372
20K → Half1228-227#5372#5599
Half → 25K47560-513#5599#6112
25K → 30K91402-311#6112#6423
30K → 20M11559+56#6423#6367
20M → 21M7254+18#6367#6349
21M → 35K873+84#6349#6265
35K → 23M15124+127#6265#6138
23M → 24M11515+100#6138#6038
24M → 40K9312+81#6038#5957
40K → 25.2M4313+30#5957#5927
25.2M → Finish8926+63#5927#5864
TOTALS9323997-3065
📊

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