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BOSTON MARATHON 2023

Robert Brown

Bib: 20547•M

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Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 34%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:12
Rank: #14790
Start → 5K
25:12 | 8:07/mi
10K· 6.21 mi
49:57
Rank: #14659 (+131)
5K → 10K
24:45 | 7:58/mi
15K· 9.32 mi
1:14:46
Rank: #14501 (+158)
10K → 15K
24:49 | 7:59/mi
20K· 12.43 mi
1:40:03
Rank: #14485 (+16)
15K → 20K
25:17 | 8:08/mi
Half· 13.11 mi
1:45:36
Rank: #14541 (-56)
20K → Half
5:33 | 8:08/mi
25K· 15.53 mi
2:05:34
Rank: #14521 (+20)
Half → 25K
19:58 | 8:14/mi
30K· 18.64 mi
2:32:36
Rank: #14701 (-180)
25K → 30K
27:02 | 8:42/mi
20M
2:44:35
Rank: #14772 (-71)
30K → 20M
11:59 | 8:49/mi
21M
2:54:01
Rank: #14795 (-23)
20M → 21M
9:26 | 9:26/mi
35K· 21.75 mi
3:00:31
Rank: #14847 (-52)
21M → 35K
6:30 | 8:41/mi
23M
3:11:42
Rank: #14896 (-49)
35K → 23M
11:11 | 8:56/mi
24M
3:20:46
Rank: #14997 (-101)
23M → 24M
9:04 | 9:04/mi
40K· 24.85 mi
3:28:50
Rank: #15128 (-131)
24M → 40K
8:04 | 9:26/mi
25.2M
3:32:26
Rank: #15201 (-73)
40K → 25.2M
3:36 | 10:26/mi
Finish· 26.22 mi
3:42:05
Rank: #15466 (-265)
25.2M → Finish
9:39 | 9:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:36
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:56:29
Pace8:53 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:3225:128:0725:12
8:07
-
10K
6.21 mi11:42:1749:578:0224:45
7:58
-0:09
15K
9.32 mi12:07:061:14:468:0124:49
7:59
+0:01
20K
12.43 mi12:32:231:40:038:0325:17
8:08
+0:09
Half
13.11 mi12:37:561:45:368:035:33
8:08
0:00
25K
15.53 mi12:57:542:05:348:0519:58
8:14
+0:06
30K
18.64 mi13:24:562:32:368:1127:02
8:42
+0:28
20M
20.00 mi13:36:552:44:358:1411:59
8:49
+0:07
21M
21.00 mi13:46:212:54:018:179:26
9:26
+0:37
35K
21.75 mi13:52:513:00:318:186:30
8:41
-0:45
23M
23.00 mi14:04:023:11:428:2011:11
8:56
+0:15
24M
24.00 mi14:13:063:20:468:229:04
9:04
+0:08
40K
24.85 mi14:21:103:28:508:248:04
9:26
+0:22
25.2M
25.20 mi14:24:463:32:268:263:36
10:26
+1:00
Finish
26.22 mi14:34:253:42:058:299:39
9:28
-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

7:58 /mi

Average Pace

8:29 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:34

57% of race

Time at Steady Pace

56:42

26% of race

Time at Slower Pace

39:49

18% of race

Average Pace: 8:28 /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 mi11:17:3225:128:0725:12
8:07
#14790
10K
6.21 mi11:42:1749:578:0224:45
7:58
#14659
15K
9.32 mi12:07:061:14:468:0124:49
7:59
#14501
20K
12.43 mi12:32:231:40:038:0325:17
8:08
#14485
Half
13.11 mi12:37:561:45:368:035:33
8:08
#14541
25K
15.53 mi12:57:542:05:348:0519:58
8:14
#14521
30K
18.64 mi13:24:562:32:368:1127:02
8:42
#14701
20M
20.00 mi13:36:552:44:358:1411:59
8:49
#14772
21M
21.00 mi13:46:212:54:018:179:26
9:26
#14795
35K
21.75 mi13:52:513:00:318:186:30
8:41
#14847
23M
23.00 mi14:04:023:11:428:2011:11
8:56
#14896
24M
24.00 mi14:13:063:20:468:229:04
9:04
#14997
40K
24.85 mi14:21:103:28:508:248:04
9:26
#15128
25.2M
25.20 mi14:24:463:32:268:263:36
10:26
#15201
Finish
26.22 mi14:34:253:42:058:299:39
9:28
#15466
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi14790102611026114284(Top 54%)10024(Top 66%)10024(Top 903%)
10K6.21 mi3.10 mi14659+13110199+6210199+6214532(Top 55%)10141(Top 67%)10141(Top 914%)
15K9.32 mi3.11 mi14501+15810127+7210127+7214284(Top 54%)10024(Top 66%)10024(Top 903%)
20K12.43 mi3.11 mi14485+1610105+2210105+2214494(Top 54%)10080(Top 66%)10080(Top 908%)
Half13.11 mi0.68 mi14541-5610133-2810133-2815309(Top 58%)10421(Top 69%)10421(Top 939%)
25K15.53 mi2.42 mi14521+2010091+4210091+4214481(Top 54%)9965(Top 66%)9965(Top 898%)
30K18.64 mi3.11 mi14701-18010127-3610127-3615512(Top 58%)10266(Top 68%)10266(Top 925%)
20M20.00 mi1.36 mi14772-7110132-510132-515511(Top 58%)10210(Top 67%)10210(Top 920%)
21M21.00 mi1.00 mi14795-2310116+1610116+1615625(Top 59%)10186(Top 67%)10186(Top 918%)
35K21.75 mi0.75 mi14847-5210114+210114+216324(Top 61%)10410(Top 69%)10410(Top 938%)
23M23.00 mi1.25 mi14896-4910109+510109+515676(Top 59%)10093(Top 67%)10093(Top 909%)
24M24.00 mi1.00 mi14997-10110125-1610125-1617505(Top 66%)10844(Top 71%)10844(Top 977%)
40K24.85 mi0.85 mi15128-13110156-3110156-3118068(Top 68%)11064(Top 73%)11064(Top 997%)
25.2M25.20 mi0.35 mi15201-7310174-1810174-1818859(Top 71%)11394(Top 75%)11394(Top 1026%)
Finish26.22 mi1.02 mi15466-26510261-8710261-8719995(Top 75%)11973(Top 79%)11973(Top 1079%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

14284

Males

10024

M60-64

10024

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

14532

Males

10141

M60-64

10141

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

14284

Males

10024

M60-64

10024

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

14494

Males

10080

M60-64

10080

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

15309

Males

10421

M60-64

10421

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

14481

Males

9965

M60-64

9965

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

15512

Males

10266

M60-64

10266

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

15511

Males

10210

M60-64

10210

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

15625

Males

10186

M60-64

10186

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

16324

Males

10410

M60-64

10410

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

15676

Males

10093

M60-64

10093

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

17505

Males

10844

M60-64

10844

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

18068

Males

11064

M60-64

11064

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18859

Males

11394

M60-64

11394

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

19995

Males

11973

M60-64

11973

Passing Analysis

Category:
Athletes Passed
1447
Passed By
2123
Net Change
-676
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14790
5K → 10K357226+131#14790#14659
10K → 15K277119+158#14659#14501
15K → 20K187171+16#14501#14485
20K → Half1369-56#14485#14541
Half → 25K149129+20#14541#14521
25K → 30K114294-180#14521#14701
30K → 20M58129-71#14701#14772
20M → 21M78101-23#14772#14795
21M → 35K3385-52#14795#14847
35K → 23M68117-49#14847#14896
23M → 24M40141-101#14896#14997
24M → 40K32163-131#14997#15128
40K → 25.2M2093-73#15128#15201
25.2M → Finish21286-265#15201#15466
TOTALS14472123-676
📊

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