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BOSTON MARATHON 2025

Samuel Brewer

Bib: 27249•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
24:56
Rank: #16781
Start → 5K
24:56 | 8:02/mi
10K· 6.21 mi
49:39
Rank: #16431 (+350)
5K → 10K
24:43 | 7:57/mi
15K· 9.32 mi
1:14:17
Rank: #16081 (+350)
10K → 15K
24:38 | 7:56/mi
20K· 12.43 mi
1:39:25
Rank: #15920 (+161)
15K → 20K
25:08 | 8:05/mi
Half· 13.11 mi
1:44:52
Rank: #15913 (+7)
20K → Half
5:27 | 7:59/mi
25K· 15.53 mi
2:04:54
Rank: #15885 (+28)
Half → 25K
20:02 | 8:16/mi
30K· 18.64 mi
2:32:23
Rank: #16040 (-155)
25K → 30K
27:29 | 8:51/mi
20M
2:45:30
Rank: #16339 (-299)
30K → 20M
13:07 | 9:39/mi
21M
2:55:55
Rank: #16560 (-221)
20M → 21M
10:25 | 10:25/mi
35K· 21.75 mi
3:02:59
Rank: #16712 (-152)
21M → 35K
7:04 | 9:27/mi
23M
3:14:54
Rank: #16843 (-131)
35K → 23M
11:55 | 9:31/mi
24M
3:24:21
Rank: #16985 (-142)
23M → 24M
9:27 | 9:27/mi
40K· 24.85 mi
3:32:32
Rank: #17089 (-104)
24M → 40K
8:11 | 9:34/mi
25.2M
3:36:07
Rank: #17115 (-26)
40K → 25.2M
3:35 | 10:23/mi
Finish· 26.22 mi
3:45:13
Rank: #17196 (-81)
25.2M → Finish
9:06 | 8:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:52
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time2:00:21
Pace9:11 /mi
📊Positive Split: 14.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:5424:568:0224:56
8:02
-
10K
6.21 mi12:05:3749:397:5924:43
7:57
-0:05
15K
9.32 mi12:30:151:14:177:5824:38
7:56
-0:01
20K
12.43 mi12:55:231:39:258:0025:08
8:05
+0:09
Half
13.11 mi13:00:501:44:528:005:27
7:59
-0:06
25K
15.53 mi13:20:522:04:548:0220:02
8:16
+0:17
30K
18.64 mi13:48:212:32:238:1027:29
8:51
+0:35
20M
20.00 mi14:01:282:45:308:1613:07
9:39
+0:48
21M
21.00 mi14:11:532:55:558:2310:25
10:25
+0:46
35K
21.75 mi14:18:573:02:598:257:04
9:27
-0:58
23M
23.00 mi14:30:523:14:548:2811:55
9:31
+0:04
24M
24.00 mi14:40:193:24:218:319:27
9:27
-0:04
40K
24.85 mi14:48:303:32:328:338:11
9:34
+0:07
25.2M
25.20 mi14:52:053:36:078:353:35
10:23
+0:49
Finish
26.22 mi15:01:113:45:138:369:06
8:56
-1:27

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

7:56 /mi

Average Pace

8:36 /mi

Slowest Pace

10:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:54

55% of race

Time at Steady Pace

36:35

16% of race

Time at Slower Pace

1:03:44

28% of race

Average Pace: 8:35 /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 mi11:40:5424:568:0224:56
8:02
#16781
10K
6.21 mi12:05:3749:397:5924:43
7:57
#16431
15K
9.32 mi12:30:151:14:177:5824:38
7:56
#16081
20K
12.43 mi12:55:231:39:258:0025:08
8:05
#15920
Half
13.11 mi13:00:501:44:528:005:27
7:59
#15913
25K
15.53 mi13:20:522:04:548:0220:02
8:16
#15885
30K
18.64 mi13:48:212:32:238:1027:29
8:51
#16040
20M
20.00 mi14:01:282:45:308:1613:07
9:39
#16339
21M
21.00 mi14:11:532:55:558:2310:25
10:25
#16560
35K
21.75 mi14:18:573:02:598:257:04
9:27
#16712
23M
23.00 mi14:30:523:14:548:2811:55
9:31
#16843
24M
24.00 mi14:40:193:24:218:319:27
9:27
#16985
40K
24.85 mi14:48:303:32:328:338:11
9:34
#17089
25.2M
25.20 mi14:52:053:36:078:353:35
10:23
#17115
Finish
26.22 mi15:01:113:45:138:369:06
8:56
#17196
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi16781111111111115461(Top 54%)10579(Top 66%)10579(Top 188%)
10K6.21 mi3.10 mi16431+35010987+12410987+12416106(Top 57%)10878(Top 68%)10878(Top 193%)
15K9.32 mi3.11 mi16081+35010849+13810849+13815461(Top 54%)10579(Top 66%)10579(Top 188%)
20K12.43 mi3.11 mi15920+16110774+7510774+7515571(Top 55%)10578(Top 66%)10578(Top 187%)
Half13.11 mi0.68 mi15913+710767+710767+715778(Top 56%)10696(Top 66%)10696(Top 190%)
25K15.53 mi2.42 mi15885+2810739+2810739+2815677(Top 55%)10520(Top 65%)10520(Top 186%)
30K18.64 mi3.11 mi16040-15510747-810747-816866(Top 59%)10862(Top 67%)10862(Top 193%)
20M20.00 mi1.36 mi16339-29910836-8910836-8919760(Top 70%)12045(Top 75%)12045(Top 213%)
21M21.00 mi1.00 mi16560-22110897-6110897-6119733(Top 69%)11920(Top 74%)11920(Top 211%)
35K21.75 mi0.75 mi16712-15210941-4410941-4420108(Top 71%)12011(Top 75%)12011(Top 213%)
23M23.00 mi1.25 mi16843-13110958-1710958-1718759(Top 66%)11329(Top 70%)11329(Top 201%)
24M24.00 mi1.00 mi16985-14210993-3510993-3519420(Top 68%)11592(Top 72%)11592(Top 205%)
40K24.85 mi0.85 mi17089-10411005-1211005-1218968(Top 67%)11299(Top 70%)11299(Top 200%)
25.2M25.20 mi0.35 mi17115-2611002+311002+318570(Top 65%)11102(Top 69%)11102(Top 197%)
Finish26.22 mi1.02 mi17196-8111022-2011022-2018660(Top 66%)11204(Top 70%)11204(Top 199%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

15461

Males

10579

M18-39

10579

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

16106

Males

10878

M18-39

10878

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

15461

Males

10579

M18-39

10579

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

15571

Males

10578

M18-39

10578

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

15778

Males

10696

M18-39

10696

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

15677

Males

10520

M18-39

10520

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

16866

Males

10862

M18-39

10862

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

19760

Males

12045

M18-39

12045

20M→21M

20.0 - 21.0 mi

Top 69%
×8stories
+106ft-24ft

Overall

19733

Males

11920

M18-39

11920

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

20108

Males

12011

M18-39

12011

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

18759

Males

11329

M18-39

11329

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

19420

Males

11592

M18-39

11592

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

18968

Males

11299

M18-39

11299

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18570

Males

11102

M18-39

11102

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

18660

Males

11204

M18-39

11204

Passing Analysis

Category:
Athletes Passed
1968
Passed By
2383
Net Change
-415
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16781
5K → 10K501151+350#16781#16431
10K → 15K42272+350#16431#16081
15K → 20K274113+161#16081#15920
20K → Half3730+7#15920#15913
Half → 25K186158+28#15913#15885
25K → 30K176331-155#15885#16040
30K → 20M45344-299#16040#16339
20M → 21M56277-221#16339#16560
21M → 35K35187-152#16560#16712
35K → 23M76207-131#16712#16843
23M → 24M40182-142#16843#16985
24M → 40K44148-104#16985#17089
40K → 25.2M2854-26#17089#17115
25.2M → Finish48129-81#17115#17196
TOTALS19682383-415
📊

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