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BOSTON MARATHON 2025

Brett Rollyson

Bib: 17796•M

SC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 50%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Top 42%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:44
Rank: #10532
Start → 5K
22:44 | 7:19/mi
10K· 6.21 mi
45:40
Rank: #10764 (-232)
5K → 10K
22:56 | 7:23/mi
15K· 9.32 mi
1:09:35
Rank: #11673 (-909)
10K → 15K
23:55 | 7:42/mi
20K· 12.43 mi
1:33:57
Rank: #12160 (-487)
15K → 20K
24:22 | 7:51/mi
Half· 13.11 mi
1:39:16
Rank: #12267 (-107)
20K → Half
5:19 | 7:48/mi
25K· 15.53 mi
1:58:46
Rank: #12558 (-291)
Half → 25K
19:30 | 8:03/mi
30K· 18.64 mi
2:25:11
Rank: #12979 (-421)
25K → 30K
26:25 | 8:30/mi
20M
2:37:11
Rank: #13201 (-222)
30K → 20M
12:00 | 8:50/mi
21M
2:46:26
Rank: #13286 (-85)
20M → 21M
9:15 | 9:15/mi
35K· 21.75 mi
2:53:01
Rank: #13445 (-159)
21M → 35K
6:35 | 8:48/mi
23M
3:04:31
Rank: #13681 (-236)
35K → 23M
11:30 | 9:11/mi
24M
3:13:24
Rank: #13866 (-185)
23M → 24M
8:53 | 8:53/mi
40K· 24.85 mi
3:21:10
Rank: #13991 (-125)
24M → 40K
7:46 | 9:05/mi
25.2M
3:24:30
Rank: #14011 (-20)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:33:22
Rank: #14132 (-121)
25.2M → Finish
8:52 | 8:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:16
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:54:06
Pace8:42 /mi
📊Positive Split: 14.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:38:1422:447:1922:44
7:19
-
10K
6.21 mi12:01:1045:407:2122:56
7:23
+0:04
15K
9.32 mi12:25:051:09:357:2823:55
7:42
+0:19
20K
12.43 mi12:49:271:33:577:3424:22
7:51
+0:09
Half
13.11 mi12:54:461:39:167:345:19
7:48
-0:03
25K
15.53 mi13:14:161:58:467:3919:30
8:03
+0:15
30K
18.64 mi13:40:412:25:117:4726:25
8:30
+0:27
20M
20.00 mi13:52:412:37:117:5212:00
8:50
+0:20
21M
21.00 mi14:01:562:46:267:569:15
9:15
+0:25
35K
21.75 mi14:08:312:53:017:576:35
8:48
-0:27
23M
23.00 mi14:20:013:04:318:0111:30
9:11
+0:23
24M
24.00 mi14:28:543:13:248:048:53
8:53
-0:18
40K
24.85 mi14:36:403:21:108:067:46
9:05
+0:12
25.2M
25.20 mi14:40:003:24:308:073:20
9:40
+0:35
Finish
26.22 mi14:48:523:33:228:098:52
8:42
-0:58

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

7:19 /mi

Average Pace

8:09 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:46

56% of race

Time at Steady Pace

1:02:45

29% of race

Time at Slower Pace

31:51

15% of race

Average Pace: 8:08 /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 mi11:38:1422:447:1922:44
7:19
#10532
10K
6.21 mi12:01:1045:407:2122:56
7:23
#10764
15K
9.32 mi12:25:051:09:357:2823:55
7:42
#11673
20K
12.43 mi12:49:271:33:577:3424:22
7:51
#12160
Half
13.11 mi12:54:461:39:167:345:19
7:48
#12267
25K
15.53 mi13:14:161:58:467:3919:30
8:03
#12558
30K
18.64 mi13:40:412:25:117:4726:25
8:30
#12979
20M
20.00 mi13:52:412:37:117:5212:00
8:50
#13201
21M
21.00 mi14:01:562:46:267:569:15
9:15
#13286
35K
21.75 mi14:08:312:53:017:576:35
8:48
#13445
23M
23.00 mi14:20:013:04:318:0111:30
9:11
#13681
24M
24.00 mi14:28:543:13:248:048:53
8:53
#13866
40K
24.85 mi14:36:403:21:108:067:46
9:05
#13991
25.2M
25.20 mi14:40:003:24:308:073:20
9:40
#14011
Finish
26.22 mi14:48:523:33:228:098:52
8:42
#14132
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi105328461846113476(Top 47%)9716(Top 60%)9716(Top 590%)
10K6.21 mi3.10 mi10764-2328551-908551-9011016(Top 39%)8679(Top 54%)8679(Top 527%)
15K9.32 mi3.11 mi11673-9098983-4328983-43213476(Top 47%)9716(Top 60%)9716(Top 590%)
20K12.43 mi3.11 mi12160-4879169-1869169-18613612(Top 48%)9695(Top 60%)9695(Top 588%)
Half13.11 mi0.68 mi12267-1079213-449213-4414167(Top 50%)9979(Top 62%)9979(Top 606%)
25K15.53 mi2.42 mi12558-2919301-889301-8814213(Top 50%)9857(Top 61%)9857(Top 598%)
30K18.64 mi3.11 mi12979-4219406-1059406-10514754(Top 52%)9944(Top 62%)9944(Top 603%)
20M20.00 mi1.36 mi13201-2229470-649470-6415812(Top 56%)10284(Top 64%)10284(Top 624%)
21M21.00 mi1.00 mi13286-859483-139483-1314872(Top 52%)9727(Top 60%)9727(Top 590%)
35K21.75 mi0.75 mi13445-1599520-379520-3717210(Top 61%)10688(Top 66%)10688(Top 649%)
23M23.00 mi1.25 mi13681-2369592-729592-7217233(Top 61%)10612(Top 66%)10612(Top 644%)
24M24.00 mi1.00 mi13866-1859645-539645-5316726(Top 59%)10344(Top 64%)10344(Top 628%)
40K24.85 mi0.85 mi13991-1259673-289673-2816746(Top 59%)10253(Top 64%)10253(Top 622%)
25.2M25.20 mi0.35 mi14011-209677-49677-415376(Top 54%)9571(Top 59%)9571(Top 581%)
Finish26.22 mi1.02 mi14132-1219705-289705-2817452(Top 61%)10614(Top 66%)10614(Top 644%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21stories
+97ft-345ft

Overall

13476

Males

9716

M55-59

9716

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

11016

Males

8679

M55-59

8679

10K→15K

6.2 - 9.3 mi

Top 47%
×3stories
+67ft-78ft

Overall

13476

Males

9716

M55-59

9716

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

13612

Males

9695

M55-59

9695

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

14167

Males

9979

M55-59

9979

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

14213

Males

9857

M55-59

9857

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

14754

Males

9944

M55-59

9944

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

15812

Males

10284

M55-59

10284

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

14872

Males

9727

M55-59

9727

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

17210

Males

10688

M55-59

10688

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

17233

Males

10612

M55-59

10612

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

16726

Males

10344

M55-59

10344

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16746

Males

10253

M55-59

10253

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15376

Males

9571

M55-59

9571

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

17452

Males

10614

M55-59

10614

Passing Analysis

Category:
Athletes Passed
885
Passed By
4485
Net Change
-3600
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10532
5K → 10K162394-232#10532#10764
10K → 15K40949-909#10764#11673
15K → 20K76563-487#11673#12160
20K → Half7114-107#12160#12267
Half → 25K82373-291#12267#12558
25K → 30K130551-421#12558#12979
30K → 20M64286-222#12979#13201
20M → 21M76161-85#13201#13286
21M → 35K29188-159#13286#13445
35K → 23M58294-236#13445#13681
23M → 24M44229-185#13681#13866
24M → 40K47172-125#13866#13991
40K → 25.2M3151-20#13991#14011
25.2M → Finish39160-121#14011#14132
TOTALS8854485-3600
📊

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