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BOSTON MARATHON 2025

Peter Samulis

Bib: 10073•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 32%
Gender (Male)
#0 / 16105
Top 46%
Masters (Masters Men)
#0 / 10463
Top 34%
Division (M45-49)
#0 / 2386
Top 49%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:24
Rank: #6971
Start → 5K
21:24 | 6:53/mi
10K· 6.21 mi
42:49
Rank: #7087 (-116)
5K → 10K
21:25 | 6:54/mi
15K· 9.32 mi
1:03:55
Rank: #6739 (+348)
10K → 15K
21:06 | 6:47/mi
20K· 12.43 mi
1:25:30
Rank: #6684 (+55)
15K → 20K
21:35 | 6:57/mi
Half· 13.11 mi
1:30:11
Rank: #6668 (+16)
20K → Half
4:41 | 6:52/mi
25K· 15.53 mi
1:47:32
Rank: #6744 (-76)
Half → 25K
17:21 | 7:09/mi
30K· 18.64 mi
2:11:29
Rank: #7026 (-282)
25K → 30K
23:57 | 7:43/mi
20M
2:22:33
Rank: #7245 (-219)
30K → 20M
11:04 | 8:09/mi
21M
2:30:49
Rank: #7277 (-32)
20M → 21M
8:16 | 8:16/mi
35K· 21.75 mi
2:37:11
Rank: #7511 (-234)
21M → 35K
6:22 | 8:31/mi
23M
2:48:19
Rank: #7952 (-441)
35K → 23M
11:08 | 8:54/mi
24M
2:57:23
Rank: #8437 (-485)
23M → 24M
9:04 | 9:04/mi
40K· 24.85 mi
3:05:07
Rank: #8788 (-351)
24M → 40K
7:44 | 9:03/mi
25.2M
3:08:34
Rank: #8947 (-159)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
3:17:04
Rank: #9228 (-281)
25.2M → Finish
8:30 | 8:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:11
Pace6:53 /mi
2nd Half
Distance13.11 mi
Time1:46:53
Pace8:09 /mi
📊Positive Split: 18.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1321:246:5321:24
6:53
-
10K
6.21 mi11:09:3842:496:5321:25
6:54
+0:01
15K
9.32 mi11:30:441:03:556:5121:06
6:47
-0:07
20K
12.43 mi11:52:191:25:306:5321:35
6:57
+0:10
Half
13.11 mi11:57:001:30:116:534:41
6:52
-0:05
25K
15.53 mi12:14:211:47:326:5517:21
7:09
+0:17
30K
18.64 mi12:38:182:11:297:0323:57
7:43
+0:34
20M
20.00 mi12:49:222:22:337:0811:04
8:09
+0:26
21M
21.00 mi12:57:382:30:497:118:16
8:16
+0:07
35K
21.75 mi13:04:002:37:117:146:22
8:31
+0:15
23M
23.00 mi13:15:082:48:197:1911:08
8:54
+0:23
24M
24.00 mi13:24:122:57:237:239:04
9:04
+0:10
40K
24.85 mi13:31:563:05:077:277:44
9:03
-0:01
25.2M
25.20 mi13:35:233:08:347:293:27
10:00
+0:57
Finish
26.22 mi13:43:533:17:047:318:30
8:20
-1:40

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

6:47 /mi

Average Pace

7:31 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:32

55% of race

Time at Steady Pace

58:09

30% of race

Time at Slower Pace

31:23

16% of race

Average Pace: 7:31 /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 mi10:48:1321:246:5321:24
6:53
#6971
10K
6.21 mi11:09:3842:496:5321:25
6:54
#7087
15K
9.32 mi11:30:441:03:556:5121:06
6:47
#6739
20K
12.43 mi11:52:191:25:306:5321:35
6:57
#6684
Half
13.11 mi11:57:001:30:116:534:41
6:52
#6668
25K
15.53 mi12:14:211:47:326:5517:21
7:09
#6744
30K
18.64 mi12:38:182:11:297:0323:57
7:43
#7026
20M
20.00 mi12:49:222:22:337:0811:04
8:09
#7245
21M
21.00 mi12:57:382:30:497:118:16
8:16
#7277
35K
21.75 mi13:04:002:37:117:146:22
8:31
#7511
23M
23.00 mi13:15:082:48:197:1911:08
8:54
#7952
24M
24.00 mi13:24:122:57:237:239:04
9:04
#8437
40K
24.85 mi13:31:563:05:077:277:44
9:03
#8788
25.2M
25.20 mi13:35:233:08:347:293:27
10:00
#8947
Finish
26.22 mi13:43:533:17:047:318:30
8:20
#9228
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6971628162816023(Top 21%)5477(Top 34%)5477(Top 230%)
10K6.21 mi3.10 mi7087-1166361-806361-807193(Top 25%)6430(Top 40%)6430(Top 269%)
15K9.32 mi3.11 mi6739+3486078+2836078+2836023(Top 21%)5477(Top 34%)5477(Top 230%)
20K12.43 mi3.11 mi6684+556033+456033+456562(Top 23%)5875(Top 36%)5875(Top 246%)
Half13.11 mi0.68 mi6668+166021+126021+126693(Top 24%)5989(Top 37%)5989(Top 251%)
25K15.53 mi2.42 mi6744-766057-366057-367320(Top 26%)6334(Top 39%)6334(Top 265%)
30K18.64 mi3.11 mi7026-2826231-1746231-1749242(Top 33%)7280(Top 45%)7280(Top 305%)
20M20.00 mi1.36 mi7245-2196349-1186349-11811395(Top 40%)8224(Top 51%)8224(Top 345%)
21M21.00 mi1.00 mi7277-326343+66343+68992(Top 32%)6811(Top 42%)6811(Top 285%)
35K21.75 mi0.75 mi7511-2346466-1236466-12315478(Top 54%)9909(Top 62%)9909(Top 415%)
23M23.00 mi1.25 mi7952-4416709-2436709-24315609(Top 55%)9891(Top 61%)9891(Top 415%)
24M24.00 mi1.00 mi8437-4856973-2646973-26417660(Top 62%)10757(Top 67%)10757(Top 451%)
40K24.85 mi0.85 mi8788-3517138-1657138-16516524(Top 58%)10145(Top 63%)10145(Top 425%)
25.2M25.20 mi0.35 mi8947-1597217-797217-7916953(Top 60%)10318(Top 64%)10318(Top 432%)
Finish26.22 mi1.02 mi9228-2817337-1207337-12015145(Top 53%)9529(Top 59%)9529(Top 399%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

6023

Males

5477

M45-49

5477

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

7193

Males

6430

M45-49

6430

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

6023

Males

5477

M45-49

5477

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6562

Males

5875

M45-49

5875

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6693

Males

5989

M45-49

5989

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

7320

Males

6334

M45-49

6334

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

9242

Males

7280

M45-49

7280

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

11395

Males

8224

M45-49

8224

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8992

Males

6811

M45-49

6811

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

15478

Males

9909

M45-49

9909

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

15609

Males

9891

M45-49

9891

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

17660

Males

10757

M45-49

10757

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16524

Males

10145

M45-49

10145

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

16953

Males

10318

M45-49

10318

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

15145

Males

9529

M45-49

9529

Passing Analysis

Category:
Athletes Passed
1137
Passed By
3394
Net Change
-2257
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6971
5K → 10K146262-116#6971#7087
10K → 15K37325+348#7087#6739
15K → 20K15398+55#6739#6684
20K → Half3418+16#6684#6668
Half → 25K102178-76#6668#6744
25K → 30K99381-282#6744#7026
30K → 20M50269-219#7026#7245
20M → 21M72104-32#7245#7277
21M → 35K12246-234#7277#7511
35K → 23M31472-441#7511#7952
23M → 24M13498-485#7952#8437
24M → 40K23374-351#8437#8788
40K → 25.2M8167-159#8788#8947
25.2M → Finish21302-281#8947#9228
TOTALS11373394-2257
📊

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