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BOSTON MARATHON 2025

Carlos Dias

Bib: 10617•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
6:52/mi
21:19
↑ 97↓ 3451.5%
10K· 6.21 mi
6:54/mi
42:44
↑ 79↓ 1380.4%
15K· 9.32 mi
6:58/mi
1:04:24
↑ 67↓ 78
20K· 12.43 mi
7:09/mi
1:26:38
↑ 106↓ 860.1%
Half· 13.11 mi
7:11/mi
1:31:32
↑ 19↓ 370.5%
25K· 15.53 mi
7:23/mi
1:49:25
↑ 66↓ 880.2%
30K· 18.64 mi
7:51/mi
2:13:48
↑ 181↓ 1480.2%
20M
8:02/mi
2:24:43
↑ 64↓ 500.2%
21M
8:53/mi
2:33:36
↑ 106↓ 241.6%
35K· 21.75 mi
7:51/mi
2:39:28
↑ 17↓ 861.7%
23M
8:28/mi
2:50:04
↑ 23↓ 630.6%
24M
8:23/mi
2:58:27
↓ 821.3%
40K· 24.85 mi
8:47/mi
3:05:58
↓ 200.3%
25.2M
9:46/mi
3:09:20
↑ 13↓ 160.2%
Finish· 26.22 mi
8:36/mi
3:18:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:32
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time1:46:34
Pace8:08 /mi
📊Positive Split: 16.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:0421:196:5221:19
6:52
-
10K
6.21 mi11:08:2942:446:5321:25
6:54
+0:02
15K
9.32 mi11:30:091:04:246:5521:40
6:58
+0:04
20K
12.43 mi11:52:231:26:386:5822:14
7:09
+0:11
Half
13.11 mi11:57:171:31:326:594:54
7:11
+0:02
25K
15.53 mi12:15:101:49:257:0317:53
7:23
+0:12
30K
18.64 mi12:39:332:13:487:1124:23
7:51
+0:28
20M
20.00 mi12:50:282:24:437:1410:55
8:02
+0:11
21M
21.00 mi12:59:212:33:367:198:53
8:53
+0:51
35K
21.75 mi13:05:132:39:287:205:52
7:51
-1:02
23M
23.00 mi13:15:492:50:047:2410:36
8:28
+0:37
24M
24.00 mi13:24:122:58:277:268:23
8:23
-0:05
40K
24.85 mi13:31:433:05:587:297:31
8:47
+0:24
25.2M
25.20 mi13:35:053:09:207:313:22
9:46
+0:59
Finish
26.22 mi13:43:513:18:067:348:46
8:36
-1:10

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

6:52 /mi

Average Pace

7:34 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:25

55% of race

Time at Steady Pace

41:10

21% of race

Time at Slower Pace

47:31

24% of race

Average Pace: 7:33 /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 mi10:47:0421:196:5221:19
6:52
#6782
10K
6.21 mi11:08:2942:446:5321:25
6:54
#6990
15K
9.32 mi11:30:091:04:246:5521:40
6:58
#7159
20K
12.43 mi11:52:231:26:386:5822:14
7:09
#7306
Half
13.11 mi11:57:171:31:326:594:54
7:11
#7368
25K
15.53 mi12:15:101:49:257:0317:53
7:23
#7545
30K
18.64 mi12:39:332:13:487:1124:23
7:51
#7878
20M
20.00 mi12:50:282:24:437:1410:55
8:02
#8025
21M
21.00 mi12:59:212:33:367:198:53
8:53
#8257
35K
21.75 mi13:05:132:39:287:205:52
7:51
#8329
23M
23.00 mi13:15:492:50:047:2410:36
8:28
#8578
24M
24.00 mi13:24:122:58:277:268:23
8:23
#8842
40K
24.85 mi13:31:433:05:587:297:31
8:47
#9089
25.2M
25.20 mi13:35:053:09:207:313:22
9:46
#9207
Finish
26.22 mi13:43:513:18:067:348:46
8:36
#9553
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6782614761477456(Top 26%)6582(Top 41%)6582(Top 276%)
10K6.21 mi3.10 mi6990-2086289-1426289-1427195(Top 25%)6432(Top 40%)6432(Top 270%)
15K9.32 mi3.11 mi7159-1696408-1196408-1197456(Top 26%)6582(Top 41%)6582(Top 276%)
20K12.43 mi3.11 mi7306-1476496-886496-887864(Top 28%)6787(Top 42%)6787(Top 284%)
Half13.11 mi0.68 mi7368-626534-386534-388909(Top 31%)7431(Top 46%)7431(Top 311%)
25K15.53 mi2.42 mi7545-1776639-1056639-1058951(Top 32%)7310(Top 45%)7310(Top 306%)
30K18.64 mi3.11 mi7878-3336802-1636802-16310265(Top 36%)7819(Top 49%)7819(Top 328%)
20M20.00 mi1.36 mi8025-1476849-476849-4710642(Top 37%)7850(Top 49%)7850(Top 329%)
21M21.00 mi1.00 mi8257-2326970-1216970-12112779(Top 45%)8720(Top 54%)8720(Top 365%)
35K21.75 mi0.75 mi8329-726991-216991-2111081(Top 39%)7892(Top 49%)7892(Top 331%)
23M23.00 mi1.25 mi8578-2497092-1017092-10113070(Top 46%)8721(Top 54%)8721(Top 366%)
24M24.00 mi1.00 mi8842-2647210-1187210-11813724(Top 48%)9002(Top 56%)9002(Top 377%)
40K24.85 mi0.85 mi9089-2477324-1147324-11415097(Top 53%)9473(Top 59%)9473(Top 397%)
25.2M25.20 mi0.35 mi9207-1187366-427366-4215833(Top 56%)9770(Top 61%)9770(Top 409%)
Finish26.22 mi1.02 mi9553-3467506-1407506-14016817(Top 59%)10298(Top 64%)10298(Top 432%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21story building
+97ft-345ft

Overall

7456

Males

6582

M45-49

6582

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

7195

Males

6432

M45-49

6432

10K→15K

6.2 - 9.3 mi

Top 26%
×3story building
+67ft-78ft

Overall

7456

Males

6582

M45-49

6582

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

7864

Males

6787

M45-49

6787

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

8909

Males

7431

M45-49

7431

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

8951

Males

7310

M45-49

7310

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

10265

Males

7819

M45-49

7819

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

10642

Males

7850

M45-49

7850

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

12779

Males

8720

M45-49

8720

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

11081

Males

7892

M45-49

7892

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

13070

Males

8721

M45-49

8721

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

13724

Males

9002

M45-49

9002

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

15097

Males

9473

M45-49

9473

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15833

Males

9770

M45-49

9770

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

16817

Males

10298

M45-49

10298

Passing Analysis

Category:
Athletes Passed
768
Passed By
3539
Net Change
-2771
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6782
5K → 10K129337-208#6782#6990
10K → 15K88257-169#6990#7159
15K → 20K88235-147#7159#7306
20K → Half1072-62#7306#7368
Half → 25K59236-177#7368#7545
25K → 30K101434-333#7545#7878
30K → 20M58205-147#7878#8025
20M → 21M42274-232#8025#8257
21M → 35K38110-72#8257#8329
35K → 23M63312-249#8329#8578
23M → 24M35299-264#8578#8842
24M → 40K29276-247#8842#9089
40K → 25.2M12130-118#9089#9207
25.2M → Finish16362-346#9207#9553
TOTALS7683539-2771
📊

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