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BOSTON MARATHON 2025

Brendan Mcwilliams

Bib: 16379•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 48%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Top 39%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:55
Rank: #13946
Start → 5K
23:55 | 7:42/mi
10K· 6.21 mi
47:58
Rank: #14054 (-108)
5K → 10K
24:03 | 7:44/mi
15K· 9.32 mi
1:12:06
Rank: #14066 (-12)
10K → 15K
24:08 | 7:46/mi
20K· 12.43 mi
1:36:15
Rank: #13748 (+318)
15K → 20K
24:09 | 7:46/mi
Half· 13.11 mi
1:41:29
Rank: #13721 (+27)
20K → Half
5:14 | 7:40/mi
25K· 15.53 mi
2:00:40
Rank: #13602 (+119)
Half → 25K
19:11 | 7:55/mi
30K· 18.64 mi
2:26:34
Rank: #13582 (+20)
25K → 30K
25:54 | 8:20/mi
20M
2:38:13
Rank: #13609 (-27)
30K → 20M
11:39 | 8:34/mi
21M
2:47:27
Rank: #13641 (-32)
20M → 21M
9:14 | 9:14/mi
35K· 21.75 mi
2:53:47
Rank: #13706 (-65)
21M → 35K
6:20 | 8:28/mi
23M
3:04:35
Rank: #13713 (-7)
35K → 23M
10:48 | 8:38/mi
24M
3:12:48
Rank: #13668 (+45)
23M → 24M
8:13 | 8:13/mi
40K· 24.85 mi
3:19:56
Rank: #13600 (+68)
24M → 40K
7:08 | 8:21/mi
25.2M
3:23:02
Rank: #13552 (+48)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:31:09
Rank: #13521 (+31)
25.2M → Finish
8:07 | 7:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:29
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:49:40
Pace8:22 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:3623:557:4223:55
7:42
-
10K
6.21 mi11:22:3947:587:4324:03
7:44
+0:02
15K
9.32 mi11:46:471:12:067:4424:08
7:46
+0:02
20K
12.43 mi12:10:561:36:157:4524:09
7:46
0:00
Half
13.11 mi12:16:101:41:297:445:14
7:40
-0:06
25K
15.53 mi12:35:212:00:407:4619:11
7:55
+0:15
30K
18.64 mi13:01:152:26:347:5225:54
8:20
+0:25
20M
20.00 mi13:12:542:38:137:5511:39
8:34
+0:14
21M
21.00 mi13:22:082:47:277:589:14
9:14
+0:40
35K
21.75 mi13:28:282:53:477:596:20
8:28
-0:46
23M
23.00 mi13:39:163:04:358:0210:48
8:38
+0:10
24M
24.00 mi13:47:293:12:488:028:13
8:13
-0:25
40K
24.85 mi13:54:373:19:568:037:08
8:21
+0:08
25.2M
25.20 mi13:57:433:23:028:033:06
8:59
+0:38
Finish
26.22 mi14:05:503:31:098:048:07
7:58
-1:01

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

7:40 /mi

Average Pace

8:04 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:47

61% of race

Time at Steady Pace

41:15

20% of race

Time at Slower Pace

41:07

19% of race

Average Pace: 8:03 /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 mi10:58:3623:557:4223:55
7:42
#13946
10K
6.21 mi11:22:3947:587:4324:03
7:44
#14054
15K
9.32 mi11:46:471:12:067:4424:08
7:46
#14066
20K
12.43 mi12:10:561:36:157:4524:09
7:46
#13748
Half
13.11 mi12:16:101:41:297:445:14
7:40
#13721
25K
15.53 mi12:35:212:00:407:4619:11
7:55
#13602
30K
18.64 mi13:01:152:26:347:5225:54
8:20
#13582
20M
20.00 mi13:12:542:38:137:5511:39
8:34
#13609
21M
21.00 mi13:22:082:47:277:589:14
9:14
#13641
35K
21.75 mi13:28:282:53:477:596:20
8:28
#13706
23M
23.00 mi13:39:163:04:358:0210:48
8:38
#13713
24M
24.00 mi13:47:293:12:488:028:13
8:13
#13668
40K
24.85 mi13:54:373:19:568:037:08
8:21
#13600
25.2M
25.20 mi13:57:433:23:028:033:06
8:59
#13552
Finish
26.22 mi14:05:503:31:098:048:07
7:58
#13521
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi13946100301003014080(Top 50%)9974(Top 62%)9974(Top 605%)
10K6.21 mi3.10 mi14054-10810040-1010040-1014245(Top 50%)10100(Top 63%)10100(Top 613%)
15K9.32 mi3.11 mi14066-1210008+3210008+3214080(Top 50%)9974(Top 62%)9974(Top 605%)
20K12.43 mi3.11 mi13748+3189844+1649844+16413041(Top 46%)9434(Top 59%)9434(Top 572%)
Half13.11 mi0.68 mi13721+279816+289816+2813126(Top 46%)9525(Top 59%)9525(Top 578%)
25K15.53 mi2.42 mi13602+1199745+719745+7113173(Top 46%)9374(Top 58%)9374(Top 569%)
30K18.64 mi3.11 mi13582+209676+699676+6913719(Top 48%)9473(Top 59%)9473(Top 575%)
20M20.00 mi1.36 mi13609-279657+199657+1914224(Top 50%)9557(Top 59%)9557(Top 580%)
21M21.00 mi1.00 mi13641-329629+289629+2814774(Top 52%)9688(Top 60%)9688(Top 588%)
35K21.75 mi0.75 mi13706-659640-119640-1115216(Top 54%)9815(Top 61%)9815(Top 596%)
23M23.00 mi1.25 mi13713-79609+319609+3114069(Top 50%)9200(Top 57%)9200(Top 558%)
24M24.00 mi1.00 mi13668+459558+519558+5112670(Top 45%)8496(Top 53%)8496(Top 516%)
40K24.85 mi0.85 mi13600+689499+599499+5912403(Top 44%)8243(Top 51%)8243(Top 500%)
25.2M25.20 mi0.35 mi13552+489469+309469+3011722(Top 41%)7856(Top 49%)7856(Top 477%)
Finish26.22 mi1.02 mi13521+319433+369433+3612638(Top 44%)8356(Top 52%)8356(Top 507%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21stories
+97ft-345ft

Overall

14080

Males

9974

M55-59

9974

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

14245

Males

10100

M55-59

10100

10K→15K

6.2 - 9.3 mi

Top 50%
×3stories
+67ft-78ft

Overall

14080

Males

9974

M55-59

9974

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

13041

Males

9434

M55-59

9434

20K→Half

12.4 - 13.1 mi

Top 46%
×2stories
+19ft-37ft

Overall

13126

Males

9525

M55-59

9525

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

13173

Males

9374

M55-59

9374

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

13719

Males

9473

M55-59

9473

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

14224

Males

9557

M55-59

9557

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

14774

Males

9688

M55-59

9688

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

15216

Males

9815

M55-59

9815

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

14069

Males

9200

M55-59

9200

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

12670

Males

8496

M55-59

8496

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12403

Males

8243

M55-59

8243

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11722

Males

7856

M55-59

7856

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

12638

Males

8356

M55-59

8356

Passing Analysis

Category:
Athletes Passed
2058
Passed By
1633
Net Change
+425
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13946
5K → 10K221329-108#13946#14054
10K → 15K201213-12#14054#14066
15K → 20K37658+318#14066#13748
20K → Half5023+27#13748#13721
Half → 25K224105+119#13721#13602
25K → 30K249229+20#13602#13582
30K → 20M118145-27#13582#13609
20M → 21M92124-32#13609#13641
21M → 35K40105-65#13641#13706
35K → 23M112119-7#13706#13713
23M → 24M10964+45#13713#13668
24M → 40K11547+68#13668#13600
40K → 25.2M6719+48#13600#13552
25.2M → Finish8453+31#13552#13521
TOTALS20581633+425
📊

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