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BOSTON MARATHON 2025

Sam Stapinski

Bib: 26717•M

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:07
Rank: #17238
Start → 5K
25:07 | 8:05/mi
10K· 6.21 mi
49:34
Rank: #16310 (+928)
5K → 10K
24:27 | 7:52/mi
15K· 9.32 mi
1:13:56
Rank: #15770 (+540)
10K → 15K
24:22 | 7:51/mi
20K· 12.43 mi
1:38:42
Rank: #15470 (+300)
15K → 20K
24:46 | 7:58/mi
Half· 13.11 mi
1:44:06
Rank: #15444 (+26)
20K → Half
5:24 | 7:55/mi
25K· 15.53 mi
2:03:52
Rank: #15349 (+95)
Half → 25K
19:46 | 8:09/mi
30K· 18.64 mi
2:37:07
Rank: #17653 (-2304)
25K → 30K
33:15 | 10:42/mi
20M
2:51:23
Rank: #18214 (-561)
30K → 20M
14:16 | 10:30/mi
21M
3:03:16
Rank: #18764 (-550)
20M → 21M
11:53 | 11:53/mi
35K· 21.75 mi
3:11:44
Rank: #19192 (-428)
21M → 35K
8:28 | 11:19/mi
23M
3:25:20
Rank: #19548 (-356)
35K → 23M
13:36 | 10:52/mi
24M
3:36:05
Rank: #19820 (-272)
23M → 24M
10:45 | 10:45/mi
40K· 24.85 mi
3:44:50
Rank: #19904 (-84)
24M → 40K
8:45 | 10:14/mi
25.2M
3:49:11
Rank: #20033 (-129)
40K → 25.2M
4:21 | 12:37/mi
Finish· 26.22 mi
3:58:27
Rank: #20034 (-1)
25.2M → Finish
9:16 | 9:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:06
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time2:14:21
Pace10:15 /mi
📊Positive Split: 29.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:4025:078:0525:07
8:05
-
10K
6.21 mi12:10:0749:347:5924:27
7:52
-0:13
15K
9.32 mi12:34:291:13:567:5624:22
7:51
-0:01
20K
12.43 mi12:59:151:38:427:5724:46
7:58
+0:07
Half
13.11 mi13:04:391:44:067:565:24
7:55
-0:03
25K
15.53 mi13:24:252:03:527:5819:46
8:09
+0:14
30K
18.64 mi13:57:402:37:078:2633:15
10:42
+2:33
20M
20.00 mi14:11:562:51:238:3414:16
10:30
-0:12
21M
21.00 mi14:23:493:03:168:4411:53
11:53
+1:23
35K
21.75 mi14:32:173:11:448:498:28
11:19
-0:34
23M
23.00 mi14:45:533:25:208:5613:36
10:52
-0:27
24M
24.00 mi14:56:383:36:059:0010:45
10:45
-0:07
40K
24.85 mi15:05:233:44:509:038:45
10:14
-0:31
25.2M
25.20 mi15:09:443:49:119:064:21
12:37
+2:23
Finish
26.22 mi15:19:003:58:279:069:16
9:06
-3:31

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

7:51 /mi

Average Pace

9:06 /mi

Slowest Pace

12:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:08

56% of race

Time at Steady Pace

1:20:37

34% of race

Time at Slower Pace

24:42

10% of race

Average Pace: 9:06 /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 mi11:45:4025:078:0525:07
8:05
#17238
10K
6.21 mi12:10:0749:347:5924:27
7:52
#16310
15K
9.32 mi12:34:291:13:567:5624:22
7:51
#15770
20K
12.43 mi12:59:151:38:427:5724:46
7:58
#15470
Half
13.11 mi13:04:391:44:067:565:24
7:55
#15444
25K
15.53 mi13:24:252:03:527:5819:46
8:09
#15349
30K
18.64 mi13:57:402:37:078:2633:15
10:42
#17653
20M
20.00 mi14:11:562:51:238:3414:16
10:30
#18214
21M
21.00 mi14:23:493:03:168:4411:53
11:53
#18764
35K
21.75 mi14:32:173:11:448:498:28
11:19
#19192
23M
23.00 mi14:45:533:25:208:5613:36
10:52
#19548
24M
24.00 mi14:56:383:36:059:0010:45
10:45
#19820
40K
24.85 mi15:05:233:44:509:038:45
10:14
#19904
25.2M
25.20 mi15:09:443:49:119:064:21
12:37
#20033
Finish
26.22 mi15:19:003:58:279:069:16
9:06
#20034
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17238113021130214723(Top 52%)10242(Top 64%)10242(Top 182%)
10K6.21 mi3.10 mi16310+92810932+37010932+37015415(Top 54%)10577(Top 66%)10577(Top 187%)
15K9.32 mi3.11 mi15770+54010724+20810724+20814723(Top 52%)10242(Top 64%)10242(Top 182%)
20K12.43 mi3.11 mi15470+30010580+14410580+14414689(Top 52%)10165(Top 63%)10165(Top 180%)
Half13.11 mi0.68 mi15444+2610565+1510565+1515127(Top 53%)10377(Top 64%)10377(Top 184%)
25K15.53 mi2.42 mi15349+9510502+6310502+6314968(Top 53%)10202(Top 63%)10202(Top 181%)
30K18.64 mi3.11 mi17653-230411388-88611388-88623395(Top 82%)13784(Top 86%)13784(Top 244%)
20M20.00 mi1.36 mi18214-56111625-23711625-23722396(Top 79%)13227(Top 82%)13227(Top 234%)
21M21.00 mi1.00 mi18764-55011839-21411839-21423376(Top 82%)13614(Top 85%)13614(Top 241%)
35K21.75 mi0.75 mi19192-42812012-17312012-17324785(Top 87%)14252(Top 88%)14252(Top 253%)
23M23.00 mi1.25 mi19548-35612127-11512127-11522887(Top 81%)13283(Top 82%)13283(Top 235%)
24M24.00 mi1.00 mi19820-27212221-9412221-9423428(Top 82%)13518(Top 84%)13518(Top 240%)
40K24.85 mi0.85 mi19904-8412244-2312244-2321147(Top 74%)12348(Top 77%)12348(Top 219%)
25.2M25.20 mi0.35 mi20033-12912290-4612290-4624382(Top 86%)13943(Top 87%)13943(Top 247%)
Finish26.22 mi1.02 mi20034-112279+1112279+1119458(Top 69%)11551(Top 72%)11551(Top 205%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

14723

Males

10242

M18-39

10242

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

15415

Males

10577

M18-39

10577

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

14723

Males

10242

M18-39

10242

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

14689

Males

10165

M18-39

10165

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

15127

Males

10377

M18-39

10377

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

14968

Males

10202

M18-39

10202

25K→30K

15.5 - 18.6 mi

Top 82%
×9stories
+181ft-148ft

Overall

23395

Males

13784

M18-39

13784

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

22396

Males

13227

M18-39

13227

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

23376

Males

13614

M18-39

13614

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

24785

Males

14252

M18-39

14252

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

22887

Males

13283

M18-39

13283

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

23428

Males

13518

M18-39

13518

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

21147

Males

12348

M18-39

12348

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24382

Males

13943

M18-39

13943

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2stories
+22ft-21ft

Overall

19458

Males

11551

M18-39

11551

Passing Analysis

Category:
Athletes Passed
2422
Passed By
5218
Net Change
-2796
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17238
5K → 10K98860+928#17238#16310
10K → 15K58040+540#16310#15770
15K → 20K36262+300#15770#15470
20K → Half4923+26#15470#15444
Half → 25K213118+95#15444#15349
25K → 30K102314-2304#15349#17653
30K → 20M34595-561#17653#18214
20M → 21M19569-550#18214#18764
21M → 35K7435-428#18764#19192
35K → 23M28384-356#19192#19548
23M → 24M17289-272#19548#19820
24M → 40K42126-84#19820#19904
40K → 25.2M7136-129#19904#20033
25.2M → Finish6667-1#20033#20034
TOTALS24225218-2796
📊

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