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BOSTON MARATHON 2025

Aneesh Sampath

Bib: 963•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 3%
Division (M18-39)
#0 / 5642
Top 9%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:13
Rank: #724
Start → 5K
18:13 | 5:52/mi
10K· 6.21 mi
36:15
Rank: #658 (+66)
5K → 10K
18:02 | 5:48/mi
15K· 9.32 mi
54:26
Rank: #636 (+22)
10K → 15K
18:11 | 5:51/mi
20K· 12.43 mi
1:12:53
Rank: #649 (-13)
15K → 20K
18:27 | 5:56/mi
Half· 13.11 mi
1:16:51
Rank: #644 (+5)
20K → Half
3:58 | 5:49/mi
25K· 15.53 mi
1:31:06
Rank: #612 (+32)
Half → 25K
14:15 | 5:53/mi
30K· 18.64 mi
1:49:47
Rank: #569 (+43)
25K → 30K
18:41 | 6:01/mi
20M
1:57:55
Rank: #553 (+16)
30K → 20M
8:08 | 5:59/mi
21M
2:04:29
Rank: #558 (-5)
20M → 21M
6:34 | 6:34/mi
35K· 21.75 mi
2:08:54
Rank: #545 (+13)
21M → 35K
4:25 | 5:54/mi
23M
2:16:38
Rank: #541 (+4)
35K → 23M
7:44 | 6:11/mi
24M
2:22:48
Rank: #545 (-4)
23M → 24M
6:10 | 6:10/mi
40K· 24.85 mi
2:28:20
Rank: #561 (-16)
24M → 40K
5:32 | 6:28/mi
25.2M
2:30:48
Rank: #568 (-7)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:37:25
Rank: #601 (-33)
25.2M → Finish
6:37 | 6:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:51
Pace5:52 /mi
2nd Half
Distance13.11 mi
Time1:20:34
Pace6:09 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3618:135:5218:13
5:52
-
10K
6.21 mi10:36:3836:155:5018:02
5:48
-0:04
15K
9.32 mi10:54:4954:265:5018:11
5:51
+0:03
20K
12.43 mi11:13:161:12:535:5218:27
5:56
+0:05
Half
13.11 mi11:17:141:16:515:523:58
5:49
-0:07
25K
15.53 mi11:31:291:31:065:5214:15
5:53
+0:04
30K
18.64 mi11:50:101:49:475:5318:41
6:01
+0:08
20M
20.00 mi11:58:181:57:555:548:08
5:59
-0:02
21M
21.00 mi12:04:522:04:295:566:34
6:34
+0:35
35K
21.75 mi12:09:172:08:545:564:25
5:54
-0:40
23M
23.00 mi12:17:012:16:385:567:44
6:11
+0:17
24M
24.00 mi12:23:112:22:485:576:10
6:10
-0:01
40K
24.85 mi12:28:432:28:205:585:32
6:28
+0:18
25.2M
25.20 mi12:31:112:30:485:592:28
7:09
+0:41
Finish
26.22 mi12:37:482:37:256:006:37
6:30
-0:39

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

5:48 /mi

Average Pace

6:00 /mi

Slowest Pace

7:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:08:30

82% of race

Time at Slower Pace

28:55

18% of race

Average Pace: 6:00 /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 mi10:18:3618:135:5218:13
5:52
#724
10K
6.21 mi10:36:3836:155:5018:02
5:48
#658
15K
9.32 mi10:54:4954:265:5018:11
5:51
#636
20K
12.43 mi11:13:161:12:535:5218:27
5:56
#649
Half
13.11 mi11:17:141:16:515:523:58
5:49
#644
25K
15.53 mi11:31:291:31:065:5214:15
5:53
#612
30K
18.64 mi11:50:101:49:475:5318:41
6:01
#569
20M
20.00 mi11:58:181:57:555:548:08
5:59
#553
21M
21.00 mi12:04:522:04:295:566:34
6:34
#558
35K
21.75 mi12:09:172:08:545:564:25
5:54
#545
23M
23.00 mi12:17:012:16:385:567:44
6:11
#541
24M
24.00 mi12:23:112:22:485:576:10
6:10
#545
40K
24.85 mi12:28:432:28:205:585:32
6:28
#561
25.2M
25.20 mi12:31:112:30:485:592:28
7:09
#568
Finish
26.22 mi12:37:482:37:256:006:37
6:30
#601
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi724673673634(Top 2%)588(Top 4%)588(Top 10%)
10K6.21 mi3.10 mi658+66612+61612+61615(Top 2%)575(Top 4%)575(Top 10%)
15K9.32 mi3.11 mi636+22591+21591+21634(Top 2%)588(Top 4%)588(Top 10%)
20K12.43 mi3.11 mi649-13602-11602-11709(Top 2%)662(Top 4%)662(Top 12%)
Half13.11 mi0.68 mi644+5597+5597+5608(Top 2%)569(Top 4%)569(Top 10%)
25K15.53 mi2.42 mi612+32566+31566+31530(Top 2%)493(Top 3%)493(Top 9%)
30K18.64 mi3.11 mi569+43524+42524+42509(Top 2%)475(Top 3%)475(Top 8%)
20M20.00 mi1.36 mi553+16508+16508+16373(Top 1%)349(Top 2%)349(Top 6%)
21M21.00 mi1.00 mi558-5513-5513-5813(Top 3%)768(Top 5%)768(Top 14%)
35K21.75 mi0.75 mi545+13501+12501+12529(Top 2%)493(Top 3%)493(Top 9%)
23M23.00 mi1.25 mi541+4498+3498+3623(Top 2%)587(Top 4%)587(Top 10%)
24M24.00 mi1.00 mi545-4502-4502-4919(Top 3%)864(Top 5%)864(Top 15%)
40K24.85 mi0.85 mi561-16516-14516-141486(Top 5%)1373(Top 9%)1373(Top 24%)
25.2M25.20 mi0.35 mi568-7523-7523-71894(Top 7%)1707(Top 11%)1707(Top 30%)
Finish26.22 mi1.02 mi601-33555-32555-322753(Top 10%)2460(Top 15%)2460(Top 44%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

634

Males

588

M18-39

588

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

615

Males

575

M18-39

575

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

634

Males

588

M18-39

588

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

709

Males

662

M18-39

662

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

608

Males

569

M18-39

569

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

530

Males

493

M18-39

493

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

509

Males

475

M18-39

475

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

373

Males

349

M18-39

349

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

813

Males

768

M18-39

768

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

529

Males

493

M18-39

493

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

623

Males

587

M18-39

587

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

919

Males

864

M18-39

864

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1486

Males

1373

M18-39

1373

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1894

Males

1707

M18-39

1707

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2753

Males

2460

M18-39

2460

Passing Analysis

Category:
Athletes Passed
306
Passed By
183
Net Change
+123
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#724
5K → 10K7610+66#724#658
10K → 15K308+22#658#636
15K → 20K2538-13#636#649
20K → Half83+5#649#644
Half → 25K375+32#644#612
25K → 30K5411+43#612#569
30K → 20M193+16#569#553
20M → 21M813-5#553#558
21M → 35K141+13#558#545
35K → 23M1511+4#545#541
23M → 24M913-4#541#545
24M → 40K420-16#545#561
40K → 25.2M07-7#561#568
25.2M → Finish740-33#568#601
TOTALS306183+123
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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