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BOSTON MARATHON 2025

Dylan Dsouza

Bib: 29743•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
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
9:02/mi
28:03
↑ 97↓ 3451.5%
10K· 6.21 mi
8:57/mi
55:52
↑ 79↓ 1380.4%
15K· 9.32 mi
8:54/mi
1:23:30
↑ 67↓ 78
20K· 12.43 mi
9:18/mi
1:52:25
↑ 106↓ 860.1%
Half· 13.11 mi
8:51/mi
1:58:27
↑ 19↓ 370.5%
25K· 15.53 mi
9:39/mi
2:21:52
↑ 66↓ 880.2%
30K· 18.64 mi
11:04/mi
2:56:14
↑ 181↓ 1480.2%
20M
11:21/mi
3:11:40
↑ 64↓ 500.2%
21M
11:56/mi
3:23:36
↑ 106↓ 241.6%
35K· 21.75 mi
11:15/mi
3:32:01
↑ 17↓ 861.7%
23M
10:57/mi
3:45:43
↑ 23↓ 630.6%
24M
11:11/mi
3:56:54
↓ 821.3%
40K· 24.85 mi
11:42/mi
4:06:54
↓ 200.3%
25.2M
13:46/mi
4:11:39
↑ 13↓ 160.2%
Finish· 26.22 mi
10:16/mi
4:22:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:27
Pace9:02 /mi
2nd Half
Distance13.11 mi
Time2:23:40
Pace10:58 /mi
📊Positive Split: 21.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:1828:039:0228:03
9:02
-
10K
6.21 mi12:22:0755:528:5927:49
8:57
-0:05
15K
9.32 mi12:49:451:23:308:5827:38
8:54
-0:03
20K
12.43 mi13:18:401:52:259:0328:55
9:18
+0:24
Half
13.11 mi13:24:421:58:279:026:02
8:51
-0:27
25K
15.53 mi13:48:072:21:529:0823:25
9:39
+0:48
30K
18.64 mi14:22:292:56:149:2734:22
11:04
+1:25
20M
20.00 mi14:37:553:11:409:3515:26
11:21
+0:17
21M
21.00 mi14:49:513:23:369:4211:56
11:56
+0:35
35K
21.75 mi14:58:163:32:019:458:25
11:15
-0:41
23M
23.00 mi15:11:583:45:439:4913:42
10:57
-0:18
24M
24.00 mi15:23:093:56:549:5211:11
11:11
+0:14
40K
24.85 mi15:33:094:06:549:5610:00
11:42
+0:31
25.2M
25.20 mi15:37:544:11:399:594:45
13:46
+2:04
Finish
26.22 mi15:48:224:22:0710:0010:28
10:16
-3:30

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

8:51 /mi

Average Pace

10:00 /mi

Slowest Pace

13:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:52

54% of race

Time at Steady Pace

1:33:34

36% of race

Time at Slower Pace

26:41

10% of race

Average Pace: 10:00 /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 mi11:54:1828:039:0228:03
9:02
#22540
10K
6.21 mi12:22:0755:528:5927:49
8:57
#22388
15K
9.32 mi12:49:451:23:308:5827:38
8:54
#22110
20K
12.43 mi13:18:401:52:259:0328:55
9:18
#22137
Half
13.11 mi13:24:421:58:279:026:02
8:51
#22082
25K
15.53 mi13:48:072:21:529:0823:25
9:39
#22166
30K
18.64 mi14:22:292:56:149:2734:22
11:04
#22665
20M
20.00 mi14:37:553:11:409:3515:26
11:21
#22813
21M
21.00 mi14:49:513:23:369:4211:56
11:56
#22853
35K
21.75 mi14:58:163:32:019:458:25
11:15
#22944
23M
23.00 mi15:11:583:45:439:4913:42
10:57
#22933
24M
24.00 mi15:23:093:56:549:5211:11
11:11
#23028
40K
24.85 mi15:33:094:06:549:5610:00
11:42
#23089
25.2M
25.20 mi15:37:544:11:399:594:45
13:46
#23149
Finish
26.22 mi15:48:224:22:0710:0010:28
10:16
#23179
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi22540135511355121547(Top 76%)13187(Top 82%)13187(Top 587%)
10K6.21 mi3.10 mi22388+15213499+5213499+5222173(Top 78%)13419(Top 83%)13419(Top 597%)
15K9.32 mi3.11 mi22110+27813393+10613393+10621547(Top 76%)13187(Top 82%)13187(Top 587%)
20K12.43 mi3.11 mi22137-2713404-1113404-1122286(Top 78%)13483(Top 84%)13483(Top 600%)
Half13.11 mi0.68 mi22082+5513379+2513379+2521118(Top 74%)12968(Top 81%)12968(Top 577%)
25K15.53 mi2.42 mi22166-8413415-3613415-3622379(Top 79%)13457(Top 84%)13457(Top 599%)
30K18.64 mi3.11 mi22665-49913603-18813603-18824103(Top 85%)14120(Top 88%)14120(Top 628%)
20M20.00 mi1.36 mi22813-14813642-3913642-3924281(Top 85%)14117(Top 88%)14117(Top 628%)
21M21.00 mi1.00 mi22853-40136421364223476(Top 83%)13665(Top 85%)13665(Top 608%)
35K21.75 mi0.75 mi22944-9113673-3113673-3124687(Top 87%)14204(Top 88%)14204(Top 632%)
23M23.00 mi1.25 mi22933+1113641+3213641+3223082(Top 81%)13378(Top 83%)13378(Top 595%)
24M24.00 mi1.00 mi23028-9513663-2213663-2224353(Top 86%)13993(Top 87%)13993(Top 623%)
40K24.85 mi0.85 mi23089-6113674-1113674-1124472(Top 86%)14001(Top 87%)14001(Top 623%)
25.2M25.20 mi0.35 mi23149-6013696-2213696-2226019(Top 92%)14753(Top 92%)14753(Top 657%)
Finish26.22 mi1.02 mi23179-3013698-213698-223721(Top 84%)13626(Top 85%)13626(Top 606%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

21547

Males

13187

M40-44

13187

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

22173

Males

13419

M40-44

13419

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

21547

Males

13187

M40-44

13187

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

22286

Males

13483

M40-44

13483

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

21118

Males

12968

M40-44

12968

Half→25K

13.1 - 15.5 mi

Top 79%
×4story building
+66ft-88ft

Overall

22379

Males

13457

M40-44

13457

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

24103

Males

14120

M40-44

14120

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

24281

Males

14117

M40-44

14117

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

23476

Males

13665

M40-44

13665

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

24687

Males

14204

M40-44

14204

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

23082

Males

13378

M40-44

13378

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

24353

Males

13993

M40-44

13993

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

24472

Males

14001

M40-44

14001

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

26019

Males

14753

M40-44

14753

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

23721

Males

13626

M40-44

13626

Passing Analysis

Category:
Athletes Passed
1391
Passed By
2030
Net Change
-639
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22540
5K → 10K344192+152#22540#22388
10K → 15K34163+278#22388#22110
15K → 20K176203-27#22110#22137
20K → Half649+55#22137#22082
Half → 25K110194-84#22082#22166
25K → 30K69568-499#22166#22665
30K → 20M45193-148#22665#22813
20M → 21M5191-40#22813#22853
21M → 35K19110-91#22853#22944
35K → 23M7463+11#22944#22933
23M → 24M30125-95#22933#23028
24M → 40K3596-61#23028#23089
40K → 25.2M262-60#23089#23149
25.2M → Finish3161-30#23149#23179
TOTALS13912030-639
📊

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