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BOSTON MARATHON 2026

Brett Rosser

Bib: 9004•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 21%
Gender (Male)
#0 / 16340
Top 34%
Masters (Masters Men)
#0 / 10617
Top 19%
Age Group (M55-59)
#0 / 1491
Top 5%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
20:35
3.11 mi
Rank: #5211
Start → 5K
20:35 | 6:38/mi
10K
41:15
6.21 mi
Rank: #5314 (-103)
5K → 10K
20:40 | 6:40/mi
15K
1:01:44
9.32 mi
Rank: #5150 (+164)
10K → 15K
20:29 | 6:36/mi
20K
1:22:33
12.43 mi
Rank: #5112 (+38)
15K → 20K
20:49 | 6:43/mi
HALF
1:27:06
13.11 mi
Rank: #5151 (-39)
20K → HALF
4:33 | 6:41/mi
25K
1:43:31
15.53 mi
Rank: #5161 (-10)
HALF → 25K
16:25 | 6:47/mi
30K
2:05:25
18.64 mi
Rank: #5341 (-180)
25K → 30K
21:54 | 7:03/mi
20M
2:15:32
20.00 mi
Rank: #5625 (-284)
30K → 20M
10:07 | 7:27/mi
21M
2:23:11
21.00 mi
Rank: #5737 (-112)
20M → 21M
7:39 | 7:39/mi
35K
2:28:33
21.75 mi
Rank: #5852 (-115)
21M → 35K
5:22 | 7:11/mi
23M
2:37:58
23.00 mi
Rank: #6054 (-202)
35K → 23M
9:25 | 7:32/mi
24M
2:45:04
24.00 mi
Rank: #6116 (-62)
23M → 24M
7:06 | 7:06/mi
40K
2:51:22
24.85 mi
Rank: #6174 (-58)
24M → 40K
6:18 | 7:23/mi
25.2M
2:54:17
25.20 mi
Rank: #6226 (-52)
40K → 25.2M
2:55 | 8:28/mi
FINISH
3:01:15
26.22 mi
Rank: #6186 (+40)
25.2M → FINISH
6:58 | 6:51/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:27:06
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:34:09
Pace7:11 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:36:0720:356:3820:35
6:38
-
10K
6.21 mi10:56:4741:156:3920:40
6:40
+0:02
15K
9.32 mi11:17:161:01:446:3820:29
6:36
-0:04
20K
12.43 mi11:38:051:22:336:3920:49
6:43
+0:07
HALF
13.11 mi11:42:381:27:066:394:33
6:41
-0:02
25K
15.53 mi11:59:031:43:316:4016:25
6:47
+0:06
30K
18.64 mi12:20:572:05:256:4421:54
7:03
+0:16
20M
20.00 mi12:31:042:15:326:4710:07
7:27
+0:24
21M
21.00 mi12:38:432:23:116:507:39
7:39
+0:12
35K
21.75 mi12:44:052:28:336:505:22
7:11
-0:28
23M
23.00 mi12:53:302:37:586:539:25
7:32
+0:21
24M
24.00 mi13:00:362:45:046:537:06
7:06
-0:26
40K
24.85 mi13:06:542:51:226:546:18
7:23
+0:17
25.2M
25.20 mi13:09:492:54:176:552:55
8:28
+1:05
FINISH
26.22 mi13:16:473:01:156:566:58
6:51
-1:37

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

6:36 /mi

Average Pace

6:55 /mi

Slowest Pace

8:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:43:31

57% of race

Time at Steady Pace

41:20

23% of race

Time at Slower Pace

36:24

20% of race

Average Pace: 6:55 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:36:0720:356:3820:35
6:38
#5211
10K
6.21 mi10:56:4741:156:3920:40
6:40
#5314
15K
9.32 mi11:17:161:01:446:3820:29
6:36
#5150
20K
12.43 mi11:38:051:22:336:3920:49
6:43
#5112
HALF
13.11 mi11:42:381:27:066:394:33
6:41
#5151
25K
15.53 mi11:59:031:43:316:4016:25
6:47
#5161
30K
18.64 mi12:20:572:05:256:4421:54
7:03
#5341
20M
20.00 mi12:31:042:15:326:4710:07
7:27
#5625
21M
21.00 mi12:38:432:23:116:507:39
7:39
#5737
35K
21.75 mi12:44:052:28:336:505:22
7:11
#5852
23M
23.00 mi12:53:302:37:586:539:25
7:32
#6054
24M
24.00 mi13:00:362:45:046:537:06
7:06
#6116
40K
24.85 mi13:06:542:51:226:546:18
7:23
#6174
25.2M
25.20 mi13:09:492:54:176:552:55
8:28
#6226
FINISH
26.22 mi13:16:473:01:156:566:58
6:51
#6186
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi5211485048504894(Top 17%)4572(Top 28%)4572(Top 307%)
10K6.21 mi3.10 mi5314-1034937-874937-875489(Top 19%)5062(Top 31%)5062(Top 340%)
15K9.32 mi3.11 mi5150+1644798+1394798+1394894(Top 17%)4572(Top 28%)4572(Top 307%)
20K12.43 mi3.11 mi5112+384761+374761+375200(Top 18%)4803(Top 29%)4803(Top 322%)
HALF13.11 mi0.68 mi5151-394789-284789-285946(Top 20%)5374(Top 33%)5374(Top 360%)
25K15.53 mi2.42 mi5161-104792-34792-35517(Top 19%)5008(Top 31%)5008(Top 336%)
30K18.64 mi3.11 mi5341-1804923-1314923-1316293(Top 22%)5514(Top 34%)5514(Top 370%)
20M20.00 mi1.36 mi5625-2845125-2025125-2028699(Top 30%)6873(Top 42%)6873(Top 461%)
21M21.00 mi1.00 mi5737-1125191-665191-667459(Top 26%)6040(Top 37%)6040(Top 405%)
35K21.75 mi0.75 mi5852-1155267-765267-768289(Top 29%)6560(Top 40%)6560(Top 440%)
23M23.00 mi1.25 mi6054-2025418-1515418-1519015(Top 31%)6870(Top 42%)6870(Top 461%)
24M24.00 mi1.00 mi6116-625458-405458-407144(Top 25%)5769(Top 35%)5769(Top 387%)
40K24.85 mi0.85 mi6174-585491-335491-337888(Top 27%)6099(Top 37%)6099(Top 409%)
25.2M25.20 mi0.35 mi6226-525523-325523-3211223(Top 39%)7688(Top 47%)7688(Top 516%)
FINISH26.22 mi1.02 mi6186+405486+375486+376355(Top 22%)5094(Top 31%)5094(Top 342%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21
+97ft-345ft

Overall

4894

Males

4572

M55-59

4572

5K→10K

3.1 - 6.2 mi

Top 19%
×5
+79ft-138ft

Overall

5489

Males

5062

M55-59

5062

10K→15K

6.2 - 9.3 mi

Top 17%
×3
+67ft-78ft

Overall

4894

Males

4572

M55-59

4572

15K→20K

9.3 - 12.4 mi

Top 18%
×5
+106ft-86ft

Overall

5200

Males

4803

M55-59

4803

20K→HALF

12.4 - 13.1 mi

Top 20%
×2
+19ft-37ft

Overall

5946

Males

5374

M55-59

5374

HALF→25K

13.1 - 15.5 mi

Top 19%
×4
+66ft-88ft

Overall

5517

Males

5008

M55-59

5008

25K→30K

15.5 - 18.6 mi

Top 22%
×9
+181ft-148ft

Overall

6293

Males

5514

M55-59

5514

30K→20M

18.6 - 20.0 mi

Top 30%
×5
+64ft-50ft

Overall

8699

Males

6873

M55-59

6873

20M→21M

20.0 - 21.0 mi

Top 26%
×8
+106ft-24ft

Overall

7459

Males

6040

M55-59

6040

21M→35K

21.0 - 21.8 mi

Top 29%
×7
+17ft-86ft

Overall

8289

Males

6560

M55-59

6560

35K→23M

21.8 - 23.0 mi

Top 31%
×5
+23ft-63ft

Overall

9015

Males

6870

M55-59

6870

23M→24M

23.0 - 24.0 mi

Top 25%
×6
+12ft-82ft

Overall

7144

Males

5769

M55-59

5769

24M→40K

24.0 - 24.9 mi

Top 27%
×1
+6ft-20ft

Overall

7888

Males

6099

M55-59

6099

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1
+13ft-16ft

Overall

11223

Males

7688

M55-59

7688

25.2M→FINISH

25.2 - 26.2 mi

Top 22%
×2
+22ft-21ft

Overall

6355

Males

5094

M55-59

5094

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
936
Passed By
1911
Net Change
-975
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5211
5K → 10K140243-103#5211#5314
10K → 15K21753+164#5314#5150
15K → 20K12082+38#5150#5112
20K → HALF1251-39#5112#5151
HALF → 25K8494-10#5151#5161
25K → 30K80260-180#5161#5341
30K → 20M19303-284#5341#5625
20M → 21M36148-112#5625#5737
21M → 35K22137-115#5737#5852
35K → 23M40242-202#5852#6054
23M → 24M41103-62#6054#6116
24M → 40K48106-58#6116#6174
40K → 25.2M759-52#6174#6226
25.2M → FINISH7030+40#6226#6186
TOTALS9361911-975
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing