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BOSTON MARATHON 2023

Michael Brown

Bib: 20287•M

DE

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:01/mi
24:53
↑ 97↓ 3451.5%
10K· 6.21 mi
8:12/mi
50:21
↑ 79↓ 1380.4%
15K· 9.32 mi
8:13/mi
1:15:54
↑ 67↓ 78
20K· 12.43 mi
8:27/mi
1:42:08
↑ 106↓ 860.1%
Half· 13.11 mi
8:15/mi
1:47:46
↑ 19↓ 370.5%
25K· 15.53 mi
9:30/mi
2:10:47
↑ 66↓ 880.2%
30K· 18.64 mi
8:53/mi
2:38:23
↑ 181↓ 1480.2%
20M
9:07/mi
2:50:46
↑ 64↓ 500.2%
21M
10:55/mi
3:01:41
↑ 106↓ 241.6%
35K· 21.75 mi
10:07/mi
3:09:15
↑ 17↓ 861.7%
23M
9:24/mi
3:21:01
↑ 23↓ 630.6%
24M
9:07/mi
3:30:08
↓ 821.3%
40K· 24.85 mi
9:45/mi
3:38:28
↓ 200.3%
25.2M
10:52/mi
3:42:13
↑ 13↓ 160.2%
Finish· 26.22 mi
9:30/mi
3:51:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:46
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time2:04:08
Pace9:28 /mi
📊Positive Split: 15.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2024:538:0124:53
8:01
-
10K
6.21 mi11:42:4850:218:0625:28
8:12
+0:11
15K
9.32 mi12:08:211:15:548:0925:33
8:13
+0:01
20K
12.43 mi12:34:351:42:088:1326:14
8:27
+0:14
Half
13.11 mi12:40:131:47:468:135:38
8:15
-0:12
25K
15.53 mi13:03:142:10:478:2523:01
9:30
+1:15
30K
18.64 mi13:30:502:38:238:3027:36
8:53
-0:37
20M
20.00 mi13:43:132:50:468:3212:23
9:07
+0:14
21M
21.00 mi13:54:083:01:418:3910:55
10:55
+1:48
35K
21.75 mi14:01:423:09:158:427:34
10:07
-0:48
23M
23.00 mi14:13:283:21:018:4411:46
9:24
-0:43
24M
24.00 mi14:22:353:30:088:459:07
9:07
-0:17
40K
24.85 mi14:30:553:38:288:478:20
9:45
+0:38
25.2M
25.20 mi14:34:403:42:138:493:45
10:52
+1:07
Finish
26.22 mi14:44:213:51:548:519:41
9:30
-1:22

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

8:01 /mi

Average Pace

8:51 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:46

46% of race

Time at Steady Pace

1:33:34

40% of race

Time at Slower Pace

30:34

13% of race

Average Pace: 8:51 /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 mi11:17:2024:538:0124:53
8:01
#14085
10K
6.21 mi11:42:4850:218:0625:28
8:12
#15141
15K
9.32 mi12:08:211:15:548:0925:33
8:13
#15442
20K
12.43 mi12:34:351:42:088:1326:14
8:27
#15700
Half
13.11 mi12:40:131:47:468:135:38
8:15
#15715
25K
15.53 mi13:03:142:10:478:2523:01
9:30
#16850
30K
18.64 mi13:30:502:38:238:3027:36
8:53
#16750
20M
20.00 mi13:43:132:50:468:3212:23
9:07
#16765
21M
21.00 mi13:54:083:01:418:3910:55
10:55
#17102
35K
21.75 mi14:01:423:09:158:427:34
10:07
#17349
23M
23.00 mi14:13:283:21:018:4411:46
9:24
#17408
24M
24.00 mi14:22:353:30:088:459:07
9:07
#17425
40K
24.85 mi14:30:553:38:288:478:20
9:45
#17552
25.2M
25.20 mi14:34:403:42:138:493:45
10:52
#17630
Finish
26.22 mi14:44:213:51:548:519:41
9:30
#17761
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi140859986998616020(Top 60%)10694(Top 70%)10694(Top 963%)
10K6.21 mi3.10 mi15141-105610386-40010386-40016217(Top 61%)10790(Top 71%)10790(Top 972%)
15K9.32 mi3.11 mi15442-30110482-9610482-9616020(Top 60%)10694(Top 70%)10694(Top 963%)
20K12.43 mi3.11 mi15700-25810566-8410566-8416500(Top 62%)10835(Top 71%)10835(Top 976%)
Half13.11 mi0.68 mi15715-1510564+210564+216184(Top 61%)10769(Top 71%)10769(Top 970%)
25K15.53 mi2.42 mi16850-113510967-40310967-40320803(Top 78%)12614(Top 83%)12614(Top 1136%)
30K18.64 mi3.11 mi16750+10010903+6410903+6416566(Top 62%)10724(Top 71%)10724(Top 966%)
20M20.00 mi1.36 mi16765-1510899+410899+417122(Top 64%)10866(Top 72%)10866(Top 979%)
21M21.00 mi1.00 mi17102-33711032-13311032-13320631(Top 77%)12352(Top 81%)12352(Top 1113%)
35K21.75 mi0.75 mi17349-24711117-8511117-8521566(Top 81%)12733(Top 84%)12733(Top 1147%)
23M23.00 mi1.25 mi17408-5911123-611123-617922(Top 67%)11080(Top 73%)11080(Top 998%)
24M24.00 mi1.00 mi17425-1711122+111122+117720(Top 67%)10943(Top 72%)10943(Top 986%)
40K24.85 mi0.85 mi17552-12711159-3711159-3719166(Top 72%)11563(Top 76%)11563(Top 1042%)
25.2M25.20 mi0.35 mi17630-7811181-2211181-2220124(Top 76%)11970(Top 79%)11970(Top 1078%)
Finish26.22 mi1.02 mi17761-13111232-5111232-5120118(Top 76%)12026(Top 79%)12026(Top 1083%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

16020

Males

10694

M60-64

10694

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

16217

Males

10790

M60-64

10790

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

16020

Males

10694

M60-64

10694

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

16500

Males

10835

M60-64

10835

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

16184

Males

10769

M60-64

10769

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

20803

Males

12614

M60-64

12614

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

16566

Males

10724

M60-64

10724

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

17122

Males

10866

M60-64

10866

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

20631

Males

12352

M60-64

12352

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

21566

Males

12733

M60-64

12733

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

17922

Males

11080

M60-64

11080

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

17720

Males

10943

M60-64

10943

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19166

Males

11563

M60-64

11563

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20124

Males

11970

M60-64

11970

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

20118

Males

12026

M60-64

12026

Passing Analysis

Category:
Athletes Passed
774
Passed By
4450
Net Change
-3676
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14085
5K → 10K501106-1056#14085#15141
10K → 15K79380-301#15141#15442
15K → 20K105363-258#15442#15700
20K → Half2338-15#15700#15715
Half → 25K151150-1135#15715#16850
25K → 30K215115+100#16850#16750
30K → 20M7893-15#16750#16765
20M → 21M17354-337#16765#17102
21M → 35K12259-247#17102#17349
35K → 23M64123-59#17349#17408
23M → 24M5875-17#17408#17425
24M → 40K26153-127#17425#17552
40K → 25.2M1290-78#17552#17630
25.2M → Finish20151-131#17630#17761
TOTALS7744450-3676
📊

Passing Visuals

Category:
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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