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BOSTON MARATHON 2023

Mike Brown

Bib: 4529•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 19%
Gender (Male)
#0 / 15176
Top 31%
Masters (Masters Men)
#0 / 9891
Top 17%
Division (M50-54)
#0 / 2052
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:15
Rank: #5056
Start → 5K
21:15 | 6:50/mi
10K· 6.21 mi
42:25
Rank: #5189 (-133)
5K → 10K
21:10 | 6:49/mi
15K· 9.32 mi
1:03:34
Rank: #5176 (+13)
10K → 15K
21:09 | 6:48/mi
20K· 12.43 mi
1:25:10
Rank: #5353 (-177)
15K → 20K
21:36 | 6:57/mi
Half· 13.11 mi
1:29:50
Rank: #5369 (-16)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:46:52
Rank: #5440 (-71)
Half → 25K
17:02 | 7:02/mi
30K· 18.64 mi
2:09:18
Rank: #5454 (-14)
25K → 30K
22:26 | 7:13/mi
20M
2:19:15
Rank: #5431 (+23)
30K → 20M
9:57 | 7:19/mi
21M
2:27:16
Rank: #5496 (-65)
20M → 21M
8:01 | 8:01/mi
35K· 21.75 mi
2:32:24
Rank: #5435 (+61)
21M → 35K
5:08 | 6:52/mi
23M
2:41:25
Rank: #5336 (+99)
35K → 23M
9:01 | 7:12/mi
24M
2:48:22
Rank: #5238 (+98)
23M → 24M
6:57 | 6:57/mi
40K· 24.85 mi
2:54:32
Rank: #5180 (+58)
24M → 40K
6:10 | 7:13/mi
25.2M
2:57:19
Rank: #5175 (+5)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:04:41
Rank: #5186 (-11)
25.2M → Finish
7:22 | 7:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:50
Pace6:51 /mi
2nd Half
Distance13.11 mi
Time1:34:51
Pace7:14 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1921:156:5021:15
6:50
-
10K
6.21 mi10:44:2942:256:5021:10
6:49
-0:01
15K
9.32 mi11:05:381:03:346:4921:09
6:48
-0:01
20K
12.43 mi11:27:141:25:106:5121:36
6:57
+0:09
Half
13.11 mi11:31:541:29:506:514:40
6:50
-0:07
25K
15.53 mi11:48:561:46:526:5317:02
7:02
+0:12
30K
18.64 mi12:11:222:09:186:5622:26
7:13
+0:11
20M
20.00 mi12:21:192:19:156:589:57
7:19
+0:06
21M
21.00 mi12:29:202:27:167:018:01
8:01
+0:42
35K
21.75 mi12:34:282:32:247:005:08
6:52
-1:09
23M
23.00 mi12:43:292:41:257:019:01
7:12
+0:20
24M
24.00 mi12:50:262:48:227:016:57
6:57
-0:15
40K
24.85 mi12:56:362:54:327:016:10
7:13
+0:16
25.2M
25.20 mi12:59:232:57:197:022:47
8:04
+0:51
Finish
26.22 mi13:06:453:04:417:037:22
7:14
-0:50

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

6:48 /mi

Average Pace

7:03 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:53

94% of race

Time at Steady Pace

8:01

4% of race

Time at Slower Pace

2:47

2% of race

Average Pace: 7:03 /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 mi10:23:1921:156:5021:15
6:50
#5056
10K
6.21 mi10:44:2942:256:5021:10
6:49
#5189
15K
9.32 mi11:05:381:03:346:4921:09
6:48
#5176
20K
12.43 mi11:27:141:25:106:5121:36
6:57
#5353
Half
13.11 mi11:31:541:29:506:514:40
6:50
#5369
25K
15.53 mi11:48:561:46:526:5317:02
7:02
#5440
30K
18.64 mi12:11:222:09:186:5622:26
7:13
#5454
20M
20.00 mi12:21:192:19:156:589:57
7:19
#5431
21M
21.00 mi12:29:202:27:167:018:01
8:01
#5496
35K
21.75 mi12:34:282:32:247:005:08
6:52
#5435
23M
23.00 mi12:43:292:41:257:019:01
7:12
#5336
24M
24.00 mi12:50:262:48:227:016:57
6:57
#5238
40K
24.85 mi12:56:362:54:327:016:10
7:13
#5180
25.2M
25.20 mi12:59:232:57:197:022:47
8:04
#5175
Finish
26.22 mi13:06:453:04:417:037:22
7:14
#5186
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi5056469146915202(Top 20%)4810(Top 32%)4810(Top 234%)
10K6.21 mi3.10 mi5189-1334806-1154806-1155414(Top 20%)4991(Top 33%)4991(Top 243%)
15K9.32 mi3.11 mi5176+134798+84798+85202(Top 20%)4810(Top 32%)4810(Top 234%)
20K12.43 mi3.11 mi5353-1774955-1574955-1575675(Top 21%)5206(Top 34%)5206(Top 254%)
Half13.11 mi0.68 mi5369-164968-134968-135574(Top 21%)5134(Top 34%)5134(Top 250%)
25K15.53 mi2.42 mi5440-715023-555023-555707(Top 21%)5225(Top 34%)5225(Top 255%)
30K18.64 mi3.11 mi5454-145030-75030-75596(Top 21%)5071(Top 33%)5071(Top 247%)
20M20.00 mi1.36 mi5431+235001+295001+295739(Top 22%)5099(Top 34%)5099(Top 248%)
21M21.00 mi1.00 mi5496-655047-465047-467404(Top 28%)6108(Top 40%)6108(Top 298%)
35K21.75 mi0.75 mi5435+614989+584989+584584(Top 17%)4175(Top 28%)4175(Top 203%)
23M23.00 mi1.25 mi5336+994899+904899+904787(Top 18%)4303(Top 28%)4303(Top 210%)
24M24.00 mi1.00 mi5238+984806+934806+934428(Top 17%)4003(Top 26%)4003(Top 195%)
40K24.85 mi0.85 mi5180+584751+554751+554945(Top 19%)4312(Top 28%)4312(Top 210%)
25.2M25.20 mi0.35 mi5175+54746+54746+56824(Top 26%)5456(Top 36%)5456(Top 266%)
Finish26.22 mi1.02 mi5186-114750-44750-46595(Top 25%)5306(Top 35%)5306(Top 259%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5202

Males

4810

M50-54

4810

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5414

Males

4991

M50-54

4991

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5202

Males

4810

M50-54

4810

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5675

Males

5206

M50-54

5206

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5574

Males

5134

M50-54

5134

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5707

Males

5225

M50-54

5225

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5596

Males

5071

M50-54

5071

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5739

Males

5099

M50-54

5099

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7404

Males

6108

M50-54

6108

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4584

Males

4175

M50-54

4175

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4787

Males

4303

M50-54

4303

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4428

Males

4003

M50-54

4003

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

4945

Males

4312

M50-54

4312

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

6824

Males

5456

M50-54

5456

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6595

Males

5306

M50-54

5306

Passing Analysis

Category:
Athletes Passed
1060
Passed By
1190
Net Change
-130
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5056
5K → 10K138271-133#5056#5189
10K → 15K120107+13#5189#5176
15K → 20K65242-177#5176#5353
20K → Half1127-16#5353#5369
Half → 25K69140-71#5369#5440
25K → 30K124138-14#5440#5454
30K → 20M6643+23#5454#5431
20M → 21M3499-65#5431#5496
21M → 35K698+61#5496#5435
35K → 23M11617+99#5435#5336
23M → 24M10810+98#5336#5238
24M → 40K7517+58#5238#5180
40K → 25.2M2520+5#5180#5175
25.2M → Finish4051-11#5175#5186
TOTALS10601190-130
📊

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