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BOSTON MARATHON 2023

Brad Rollins

Bib: 11128•M

SC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 37%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 41%
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:42
Rank: #8139
Start → 5K
22:42 | 7:18/mi
10K· 6.21 mi
44:54
Rank: #7937 (+202)
5K → 10K
22:12 | 7:09/mi
15K· 9.32 mi
1:07:16
Rank: #7877 (+60)
10K → 15K
22:22 | 7:12/mi
20K· 12.43 mi
1:29:55
Rank: #7802 (+75)
15K → 20K
22:39 | 7:17/mi
Half· 13.11 mi
1:34:53
Rank: #7822 (-20)
20K → Half
4:58 | 7:17/mi
25K· 15.53 mi
1:52:59
Rank: #7889 (-67)
Half → 25K
18:06 | 7:28/mi
30K· 18.64 mi
2:17:32
Rank: #8208 (-319)
25K → 30K
24:33 | 7:54/mi
20M
2:28:51
Rank: #8497 (-289)
30K → 20M
11:19 | 8:20/mi
21M
2:38:10
Rank: #8902 (-405)
20M → 21M
9:19 | 9:19/mi
35K· 21.75 mi
2:44:06
Rank: #8985 (-83)
21M → 35K
5:56 | 7:56/mi
23M
2:55:11
Rank: #9339 (-354)
35K → 23M
11:05 | 8:51/mi
24M
3:03:28
Rank: #9522 (-183)
23M → 24M
8:17 | 8:17/mi
40K· 24.85 mi
3:10:45
Rank: #9623 (-101)
24M → 40K
7:17 | 8:31/mi
25.2M
3:13:54
Rank: #9674 (-51)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:22:28
Rank: #9867 (-193)
25.2M → Finish
8:34 | 8:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:53
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:47:35
Pace8:12 /mi
📊Positive Split: 13.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3322:427:1822:42
7:18
-
10K
6.21 mi11:11:4544:547:1422:12
7:09
-0:09
15K
9.32 mi11:34:071:07:167:1322:22
7:12
+0:03
20K
12.43 mi11:56:461:29:557:1422:39
7:17
+0:05
Half
13.11 mi12:01:441:34:537:144:58
7:17
0:00
25K
15.53 mi12:19:501:52:597:1618:06
7:28
+0:11
30K
18.64 mi12:44:232:17:327:2324:33
7:54
+0:26
20M
20.00 mi12:55:422:28:517:2711:19
8:20
+0:26
21M
21.00 mi13:05:012:38:107:329:19
9:19
+0:59
35K
21.75 mi13:10:572:44:067:335:56
7:56
-1:23
23M
23.00 mi13:22:022:55:117:3711:05
8:51
+0:55
24M
24.00 mi13:30:193:03:287:398:17
8:17
-0:34
40K
24.85 mi13:37:363:10:457:407:17
8:31
+0:14
25.2M
25.20 mi13:40:453:13:547:423:09
9:08
+0:37
Finish
26.22 mi13:49:193:22:287:448:34
8:24
-0:44

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

7:09 /mi

Average Pace

7:44 /mi

Slowest Pace

9:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:59

56% of race

Time at Steady Pace

38:46

19% of race

Time at Slower Pace

50:43

25% of race

Average Pace: 7:43 /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 mi10:49:3322:427:1822:42
7:18
#8139
10K
6.21 mi11:11:4544:547:1422:12
7:09
#7937
15K
9.32 mi11:34:071:07:167:1322:22
7:12
#7877
20K
12.43 mi11:56:461:29:557:1422:39
7:17
#7802
Half
13.11 mi12:01:441:34:537:144:58
7:17
#7822
25K
15.53 mi12:19:501:52:597:1618:06
7:28
#7889
30K
18.64 mi12:44:232:17:327:2324:33
7:54
#8208
20M
20.00 mi12:55:422:28:517:2711:19
8:20
#8497
21M
21.00 mi13:05:012:38:107:329:19
9:19
#8902
35K
21.75 mi13:10:572:44:067:335:56
7:56
#8985
23M
23.00 mi13:22:022:55:117:3711:05
8:51
#9339
24M
24.00 mi13:30:193:03:287:398:17
8:17
#9522
40K
24.85 mi13:37:363:10:457:407:17
8:31
#9623
25.2M
25.20 mi13:40:453:13:547:423:09
9:08
#9674
Finish
26.22 mi13:49:193:22:287:448:34
8:24
#9867
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8139706870687790(Top 29%)6783(Top 45%)6783(Top 301%)
10K6.21 mi3.10 mi7937+2026934+1346934+1347735(Top 29%)6760(Top 45%)6760(Top 300%)
15K9.32 mi3.11 mi7877+606876+586876+587790(Top 29%)6783(Top 45%)6783(Top 301%)
20K12.43 mi3.11 mi7802+756812+646812+647707(Top 29%)6700(Top 44%)6700(Top 298%)
Half13.11 mi0.68 mi7822-206822-106822-108444(Top 32%)7183(Top 47%)7183(Top 319%)
25K15.53 mi2.42 mi7889-676844-226844-228523(Top 32%)7153(Top 47%)7153(Top 318%)
30K18.64 mi3.11 mi8208-3197004-1607004-16010141(Top 38%)7896(Top 52%)7896(Top 351%)
20M20.00 mi1.36 mi8497-2897172-1687172-16812504(Top 47%)8897(Top 59%)8897(Top 395%)
21M21.00 mi1.00 mi8902-4057405-2337405-23315036(Top 56%)9932(Top 65%)9932(Top 441%)
35K21.75 mi0.75 mi8985-837441-367441-3611574(Top 43%)8366(Top 55%)8366(Top 371%)
23M23.00 mi1.25 mi9339-3547621-1807621-18015250(Top 57%)9907(Top 65%)9907(Top 440%)
24M24.00 mi1.00 mi9522-1837705-847705-8413128(Top 49%)8904(Top 59%)8904(Top 395%)
40K24.85 mi0.85 mi9623-1017734-297734-2913425(Top 50%)8964(Top 59%)8964(Top 398%)
25.2M25.20 mi0.35 mi9674-517742-87742-813187(Top 50%)8828(Top 58%)8828(Top 392%)
Finish26.22 mi1.02 mi9867-1937821-797821-7914748(Top 55%)9599(Top 63%)9599(Top 426%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

7790

Males

6783

M45-49

6783

5K→10K

3.1 - 6.2 mi

Top 29%
×5stories
+79ft-138ft

Overall

7735

Males

6760

M45-49

6760

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

7790

Males

6783

M45-49

6783

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

7707

Males

6700

M45-49

6700

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

8444

Males

7183

M45-49

7183

Half→25K

13.1 - 15.5 mi

Top 32%
×4stories
+66ft-88ft

Overall

8523

Males

7153

M45-49

7153

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10141

Males

7896

M45-49

7896

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

12504

Males

8897

M45-49

8897

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

15036

Males

9932

M45-49

9932

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

11574

Males

8366

M45-49

8366

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

15250

Males

9907

M45-49

9907

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

13128

Males

8904

M45-49

8904

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

13425

Males

8964

M45-49

8964

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13187

Males

8828

M45-49

8828

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

14748

Males

9599

M45-49

9599

Passing Analysis

Category:
Athletes Passed
1011*
Passed By
2739
Net Change
-1728
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8139
5K → 10K351149+202#8139#7937
10K → 15K171111+60#7937#7877
15K → 20K15277+75#7877#7802
20K → Half1737-20#7802#7822
Half → 25K78145-67#7822#7889
25K → 30K53372-319#7889#8208
30K → 20M30319-289#8208#8497
20M → 21M12417-405#8497#8902
21M → 35K20103-83#8902#8985
35K → 23M17371-354#8985#9339
23M → 24M28211-183#9339#9522
24M → 40K31*132-101#9522#9623
40K → 25.2M2576-51#9623#9674
25.2M → Finish26219-193#9674#9867
TOTALS1011*2739-1728

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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