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BOSTON MARATHON 2025

Carlos Dubs

Bib: 11471•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 19%
Gender (Male)
#0 / 16105
Top 31%
Masters (Masters Men)
#0 / 10463
Top 17%
Division (M50-54)
#0 / 1996
Top 11%
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
7:05/mi
22:00
↑ 97↓ 3451.5%
10K· 6.21 mi
6:49/mi
43:10
↑ 79↓ 1380.4%
15K· 9.32 mi
6:50/mi
1:04:23
↑ 67↓ 78
20K· 12.43 mi
7:01/mi
1:26:12
↑ 106↓ 860.1%
Half· 13.11 mi
6:52/mi
1:30:53
↑ 19↓ 370.5%
25K· 15.53 mi
7:01/mi
1:47:54
↑ 66↓ 880.2%
30K· 18.64 mi
6:59/mi
2:09:37
↑ 181↓ 1480.2%
20M
7:05/mi
2:19:14
↑ 64↓ 500.2%
21M
7:38/mi
2:26:52
↑ 106↓ 241.6%
35K· 21.75 mi
6:49/mi
2:31:58
↑ 17↓ 861.7%
23M
7:06/mi
2:40:52
↑ 23↓ 630.6%
24M
6:54/mi
2:47:46
↓ 821.3%
40K· 24.85 mi
7:13/mi
2:53:56
↓ 200.3%
25.2M
8:07/mi
2:56:44
↑ 13↓ 160.2%
Finish· 26.22 mi
7:07/mi
3:03:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:53
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:33:06
Pace7:06 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:2422:007:0522:00
7:05
-
10K
6.21 mi11:09:3443:106:5721:10
6:49
-0:16
15K
9.32 mi11:30:471:04:236:5421:13
6:50
+0:01
20K
12.43 mi11:52:361:26:126:5621:49
7:01
+0:11
Half
13.11 mi11:57:171:30:536:564:41
6:52
-0:09
25K
15.53 mi12:14:181:47:546:5717:01
7:01
+0:09
30K
18.64 mi12:36:012:09:376:5721:43
6:59
-0:02
20M
20.00 mi12:45:382:19:146:589:37
7:05
+0:06
21M
21.00 mi12:53:162:26:527:007:38
7:38
+0:33
35K
21.75 mi12:58:222:31:586:595:06
6:49
-0:49
23M
23.00 mi13:07:162:40:527:008:54
7:06
+0:17
24M
24.00 mi13:14:102:47:466:596:54
6:54
-0:12
40K
24.85 mi13:20:202:53:567:006:10
7:13
+0:19
25.2M
25.20 mi13:23:082:56:447:012:48
8:07
+0:54
Finish
26.22 mi13:30:233:03:597:017:15
7:07
-1:00

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

6:49 /mi

Average Pace

7:01 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:33

94% of race

Time at Steady Pace

7:38

4% of race

Time at Slower Pace

2:48

2% of race

Average Pace: 7:01 /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 mi10:48:2422:007:0522:00
7:05
#8454
10K
6.21 mi11:09:3443:106:5721:10
6:49
#7486
15K
9.32 mi11:30:471:04:236:5421:13
6:50
#7130
20K
12.43 mi11:52:361:26:126:5621:49
7:01
#7103
Half
13.11 mi11:57:171:30:536:564:41
6:52
#7068
25K
15.53 mi12:14:181:47:546:5717:01
7:01
#6897
30K
18.64 mi12:36:012:09:376:5721:43
6:59
#6344
20M
20.00 mi12:45:382:19:146:589:37
7:05
#6145
21M
21.00 mi12:53:162:26:527:007:38
7:38
#6048
35K
21.75 mi12:58:222:31:586:595:06
6:49
#5951
23M
23.00 mi13:07:162:40:527:008:54
7:06
#5769
24M
24.00 mi13:14:102:47:466:596:54
6:54
#5638
40K
24.85 mi13:20:202:53:567:006:10
7:13
#5559
25.2M
25.20 mi13:23:082:56:447:012:48
8:07
#5540
Finish
26.22 mi13:30:233:03:597:017:15
7:07
#5516
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi8454728472846383(Top 22%)5775(Top 36%)5775(Top 289%)
10K6.21 mi3.10 mi7486+9686644+6406644+6406528(Top 23%)5905(Top 37%)5905(Top 296%)
15K9.32 mi3.11 mi7130+3566384+2606384+2606383(Top 22%)5775(Top 36%)5775(Top 289%)
20K12.43 mi3.11 mi7103+276347+376347+377002(Top 25%)6204(Top 39%)6204(Top 311%)
Half13.11 mi0.68 mi7068+356319+286319+286637(Top 23%)5933(Top 37%)5933(Top 297%)
25K15.53 mi2.42 mi6897+1716174+1456174+1456438(Top 23%)5718(Top 36%)5718(Top 286%)
30K18.64 mi3.11 mi6344+5535706+4685706+4684646(Top 16%)4241(Top 26%)4241(Top 212%)
20M20.00 mi1.36 mi6145+1995532+1745532+1744570(Top 16%)4154(Top 26%)4154(Top 208%)
21M21.00 mi1.00 mi6048+975442+905442+905305(Top 19%)4604(Top 29%)4604(Top 231%)
35K21.75 mi0.75 mi5951+975360+825360+824249(Top 15%)3802(Top 24%)3802(Top 190%)
23M23.00 mi1.25 mi5769+1825202+1585202+1584396(Top 15%)3884(Top 24%)3884(Top 195%)
24M24.00 mi1.00 mi5638+1315086+1165086+1164109(Top 14%)3626(Top 23%)3626(Top 182%)
40K24.85 mi0.85 mi5559+795012+745012+745123(Top 18%)4294(Top 27%)4294(Top 215%)
25.2M25.20 mi0.35 mi5540+194991+214991+216563(Top 23%)5092(Top 32%)5092(Top 255%)
Finish26.22 mi1.02 mi5516+244956+354956+356459(Top 23%)5017(Top 31%)5017(Top 251%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21story building
+97ft-345ft

Overall

6383

Males

5775

M50-54

5775

5K→10K

3.1 - 6.2 mi

Top 23%
×5story building
+79ft-138ft

Overall

6528

Males

5905

M50-54

5905

10K→15K

6.2 - 9.3 mi

Top 22%
×3story building
+67ft-78ft

Overall

6383

Males

5775

M50-54

5775

15K→20K

9.3 - 12.4 mi

Top 25%
×5story building
+106ft-86ft

Overall

7002

Males

6204

M50-54

6204

20K→Half

12.4 - 13.1 mi

Top 23%
×2story building
+19ft-37ft

Overall

6637

Males

5933

M50-54

5933

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

6438

Males

5718

M50-54

5718

25K→30K

15.5 - 18.6 mi

Top 16%
×9story building
+181ft-148ft

Overall

4646

Males

4241

M50-54

4241

30K→20M

18.6 - 20.0 mi

Top 16%
×5story building
+64ft-50ft

Overall

4570

Males

4154

M50-54

4154

20M→21M

20.0 - 21.0 mi

Top 19%
×8story building
+106ft-24ft

Overall

5305

Males

4604

M50-54

4604

21M→35K

21.0 - 21.8 mi

Top 15%
×7story building
+17ft-86ft

Overall

4249

Males

3802

M50-54

3802

35K→23M

21.8 - 23.0 mi

Top 15%
×5story building
+23ft-63ft

Overall

4396

Males

3884

M50-54

3884

23M→24M

23.0 - 24.0 mi

Top 14%
×6story building
+12ft-82ft

Overall

4109

Males

3626

M50-54

3626

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

5123

Males

4294

M50-54

4294

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6563

Males

5092

M50-54

5092

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6459

Males

5017

M50-54

5017

Passing Analysis

Category:
Athletes Passed
3267
Passed By
329
Net Change
+2938
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8454
5K → 10K9779+968#8454#7486
10K → 15K37923+356#7486#7130
15K → 20K158131+27#7130#7103
20K → Half427+35#7103#7068
Half → 25K20029+171#7068#6897
25K → 30K5574+553#6897#6344
30K → 20M2067+199#6344#6145
20M → 21M12326+97#6145#6048
21M → 35K1036+97#6048#5951
35K → 23M1919+182#5951#5769
23M → 24M1343+131#5769#5638
24M → 40K9516+79#5638#5559
40K → 25.2M3617+19#5559#5540
25.2M → Finish6642+24#5540#5516
TOTALS3267329+2938
📊

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