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BOSTON MARATHON 2025

Samir Dhrolia

Bib: 16553•M

BC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
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
8:24/mi
26:06
↑ 97↓ 3451.5%
10K· 6.21 mi
8:37/mi
52:53
↑ 79↓ 1380.4%
15K· 9.32 mi
9:15/mi
1:21:37
↑ 67↓ 78
20K· 12.43 mi
9:20/mi
1:50:38
↑ 106↓ 860.1%
Half· 13.11 mi
8:59/mi
1:56:46
↑ 19↓ 370.5%
25K· 15.53 mi
9:52/mi
2:20:42
↑ 66↓ 880.2%
30K· 18.64 mi
11:05/mi
2:55:07
↑ 181↓ 1480.2%
20M
13:31/mi
3:13:29
↑ 64↓ 500.2%
21M
13:51/mi
3:27:20
↑ 106↓ 241.6%
35K· 21.75 mi
14:38/mi
3:38:17
↑ 17↓ 861.7%
23M
12:40/mi
3:54:09
↑ 23↓ 630.6%
24M
12:43/mi
4:06:52
↓ 821.3%
40K· 24.85 mi
12:29/mi
4:17:32
↓ 200.3%
25.2M
12:51/mi
4:21:58
↑ 13↓ 160.2%
Finish· 26.22 mi
10:32/mi
4:32:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:46
Pace8:54 /mi
2nd Half
Distance13.11 mi
Time2:35:56
Pace11:54 /mi
📊Positive Split: 33.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:59:1026:068:2426:06
8:24
-
10K
6.21 mi11:25:5752:538:3126:47
8:37
+0:13
15K
9.32 mi11:54:411:21:378:4528:44
9:15
+0:38
20K
12.43 mi12:23:421:50:388:5429:01
9:20
+0:05
Half
13.11 mi12:29:501:56:468:546:08
8:59
-0:21
25K
15.53 mi12:53:462:20:429:0323:56
9:52
+0:53
30K
18.64 mi13:28:112:55:079:2434:25
11:05
+1:13
20M
20.00 mi13:46:333:13:299:4018:22
13:31
+2:26
21M
21.00 mi14:00:243:27:209:5213:51
13:51
+0:20
35K
21.75 mi14:11:213:38:1710:0210:57
14:38
+0:47
23M
23.00 mi14:27:133:54:0910:1115:52
12:40
-1:58
24M
24.00 mi14:39:564:06:5210:1712:43
12:43
+0:03
40K
24.85 mi14:50:364:17:3210:2210:40
12:29
-0:14
25.2M
25.20 mi14:55:024:21:5810:244:26
12:51
+0:22
Finish
26.22 mi15:05:464:32:4210:2510:44
10:32
-2:19

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

8:24 /mi

Average Pace

10:25 /mi

Slowest Pace

14:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:42

52% of race

Time at Steady Pace

45:09

17% of race

Time at Slower Pace

1:26:51

32% of race

Average Pace: 10:24 /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 mi10:59:1026:068:2426:06
8:24
#19314
10K
6.21 mi11:25:5752:538:3126:47
8:37
#19907
15K
9.32 mi11:54:411:21:378:4528:44
9:15
#21030
20K
12.43 mi12:23:421:50:388:5429:01
9:20
#21457
Half
13.11 mi12:29:501:56:468:546:08
8:59
#21466
25K
15.53 mi12:53:462:20:429:0323:56
9:52
#21824
30K
18.64 mi13:28:112:55:079:2434:25
11:05
#22470
20M
20.00 mi13:46:333:13:299:4018:22
13:31
#23073
21M
21.00 mi14:00:243:27:209:5213:51
13:51
#23348
35K
21.75 mi14:11:213:38:1710:0210:57
14:38
#23762
23M
23.00 mi14:27:133:54:0910:1115:52
12:40
#23945
24M
24.00 mi14:39:564:06:5210:1712:43
12:43
#24142
40K
24.85 mi14:50:364:17:3210:2210:40
12:29
#24232
25.2M
25.20 mi14:55:024:21:5810:244:26
12:51
#24251
Finish
26.22 mi15:05:464:32:4210:2510:44
10:32
#24248
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi19314121711217123033(Top 81%)13859(Top 86%)13859(Top 581%)
10K6.21 mi3.10 mi19907-59312435-26412435-26420455(Top 72%)12680(Top 79%)12680(Top 531%)
15K9.32 mi3.11 mi21030-112312916-48112916-48123033(Top 81%)13859(Top 86%)13859(Top 581%)
20K12.43 mi3.11 mi21457-42713106-19013106-19022392(Top 79%)13536(Top 84%)13536(Top 567%)
Half13.11 mi0.68 mi21466-913113-713113-721780(Top 77%)13268(Top 82%)13268(Top 556%)
25K15.53 mi2.42 mi21824-35813252-13913252-13922945(Top 81%)13724(Top 85%)13724(Top 575%)
30K18.64 mi3.11 mi22470-64613513-26113513-26124140(Top 85%)14134(Top 88%)14134(Top 592%)
20M20.00 mi1.36 mi23073-60313758-24513758-24526920(Top 95%)15338(Top 95%)15338(Top 643%)
21M21.00 mi1.00 mi23348-27513873-11513873-11526058(Top 92%)14911(Top 93%)14911(Top 625%)
35K21.75 mi0.75 mi23762-41414052-17914052-17927969(Top 98%)15830(Top 98%)15830(Top 663%)
23M23.00 mi1.25 mi23945-18314109-5714109-5726007(Top 92%)14846(Top 92%)14846(Top 622%)
24M24.00 mi1.00 mi24142-19714191-8214191-8226555(Top 93%)15091(Top 94%)15091(Top 632%)
40K24.85 mi0.85 mi24232-9014228-3714228-3725627(Top 90%)14601(Top 91%)14601(Top 612%)
25.2M25.20 mi0.35 mi24251-1914232-414232-424820(Top 87%)14169(Top 88%)14169(Top 594%)
Finish26.22 mi1.02 mi24248+314217+1514217+1524346(Top 86%)13953(Top 87%)13953(Top 585%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

23033

Males

13859

M45-49

13859

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

20455

Males

12680

M45-49

12680

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

23033

Males

13859

M45-49

13859

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

22392

Males

13536

M45-49

13536

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

21780

Males

13268

M45-49

13268

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

22945

Males

13724

M45-49

13724

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

24140

Males

14134

M45-49

14134

30K→20M

18.6 - 20.0 mi

Top 95%
×5story building
+64ft-50ft

Overall

26920

Males

15338

M45-49

15338

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

26058

Males

14911

M45-49

14911

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

27969

Males

15830

M45-49

15830

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

26007

Males

14846

M45-49

14846

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

26555

Males

15091

M45-49

15091

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

25627

Males

14601

M45-49

14601

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

24820

Males

14169

M45-49

14169

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

24346

Males

13953

M45-49

13953

Passing Analysis

Category:
Athletes Passed
510
Passed By
5444
Net Change
-4934
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19314
5K → 10K89682-593#19314#19907
10K → 15K321155-1123#19907#21030
15K → 20K102529-427#21030#21457
20K → Half2837-9#21457#21466
Half → 25K62420-358#21466#21824
25K → 30K56702-646#21824#22470
30K → 20M11614-603#22470#23073
20M → 21M18293-275#23073#23348
21M → 35K6420-414#23348#23762
35K → 23M28211-183#23762#23945
23M → 24M11208-197#23945#24142
24M → 40K17107-90#24142#24232
40K → 25.2M1130-19#24232#24251
25.2M → Finish3936+3#24251#24248
TOTALS5105444-4934
📊

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