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BOSTON MARATHON 2023

Andrew Brim

Bib: 27108•M

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
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
10:05/mi
31:21
↑ 97↓ 3451.5%
10K· 6.21 mi
9:27/mi
1:00:42
↑ 79↓ 1380.4%
15K· 9.32 mi
9:46/mi
1:31:04
↑ 67↓ 78
20K· 12.43 mi
10:08/mi
2:02:33
↑ 106↓ 860.1%
Half· 13.11 mi
10:20/mi
2:09:36
↑ 19↓ 370.5%
25K· 15.53 mi
10:40/mi
2:35:27
↑ 66↓ 880.2%
30K· 18.64 mi
10:56/mi
3:09:26
↑ 181↓ 1480.2%
20M
11:02/mi
3:24:26
↑ 64↓ 500.2%
21M
11:33/mi
3:35:59
↑ 106↓ 241.6%
35K· 21.75 mi
11:02/mi
3:44:14
↑ 17↓ 861.7%
23M
11:05/mi
3:58:07
↑ 23↓ 630.6%
24M
10:59/mi
4:09:06
↓ 821.3%
40K· 24.85 mi
11:00/mi
4:18:30
↓ 200.3%
25.2M
11:33/mi
4:22:29
↑ 13↓ 160.2%
Finish· 26.22 mi
10:22/mi
4:33:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:36
Pace9:53 /mi
2nd Half
Distance13.11 mi
Time2:23:27
Pace10:57 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:1831:2110:0531:21
10:05
-
10K
6.21 mi12:19:391:00:429:4629:21
9:27
-0:38
15K
9.32 mi12:50:011:31:049:4630:22
9:46
+0:19
20K
12.43 mi13:21:302:02:339:5231:29
10:08
+0:22
Half
13.11 mi13:28:332:09:369:537:03
10:20
+0:12
25K
15.53 mi13:54:242:35:2710:0025:51
10:40
+0:20
30K
18.64 mi14:28:233:09:2610:1033:59
10:56
+0:16
20M
20.00 mi14:43:233:24:2610:1315:00
11:02
+0:06
21M
21.00 mi14:54:563:35:5910:1711:33
11:33
+0:31
35K
21.75 mi15:03:113:44:1410:198:15
11:02
-0:31
23M
23.00 mi15:17:043:58:0710:2113:53
11:05
+0:03
24M
24.00 mi15:28:034:09:0610:2310:59
10:59
-0:06
40K
24.85 mi15:37:274:18:3010:249:24
11:00
+0:01
25.2M
25.20 mi15:41:264:22:2910:253:59
11:33
+0:33
Finish
26.22 mi15:52:004:33:0310:2510:34
10:22
-1:11

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

9:27 /mi

Average Pace

10:25 /mi

Slowest Pace

11:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:10

51% of race

Time at Steady Pace

1:57:21

43% of race

Time at Slower Pace

15:32

6% of race

Average Pace: 10:25 /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 mi11:50:1831:2110:0531:21
10:05
#23658
10K
6.21 mi12:19:391:00:429:4629:21
9:27
#23092
15K
9.32 mi12:50:011:31:049:4630:22
9:46
#23072
20K
12.43 mi13:21:302:02:339:5231:29
10:08
#23104
Half
13.11 mi13:28:332:09:369:537:03
10:20
#23145
25K
15.53 mi13:54:242:35:2710:0025:51
10:40
#23216
30K
18.64 mi14:28:233:09:2610:1033:59
10:56
#23171
20M
20.00 mi14:43:233:24:2610:1315:00
11:02
#23130
21M
21.00 mi14:54:563:35:5910:1711:33
11:33
#23062
35K
21.75 mi15:03:113:44:1410:198:15
11:02
#23076
23M
23.00 mi15:17:043:58:0710:2113:53
11:05
#23032
24M
24.00 mi15:28:034:09:0610:2310:59
10:59
#23024
40K
24.85 mi15:37:274:18:3010:249:24
11:00
#22980
25.2M
25.20 mi15:41:264:22:2910:253:59
11:33
#22962
Finish
26.22 mi15:52:004:33:0310:2510:34
10:22
#22961
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi23658139051390522980(Top 86%)13626(Top 90%)13626(Top 664%)
10K6.21 mi3.10 mi23092+56613657+24813657+24822350(Top 84%)13323(Top 88%)13323(Top 649%)
15K9.32 mi3.11 mi23072+2013660-313660-322980(Top 86%)13626(Top 90%)13626(Top 664%)
20K12.43 mi3.11 mi23104-3213679-1913679-1923162(Top 87%)13705(Top 90%)13705(Top 668%)
Half13.11 mi0.68 mi23145-4113698-1913698-1923890(Top 90%)14009(Top 92%)14009(Top 683%)
25K15.53 mi2.42 mi23216-7113729-3113729-3123452(Top 88%)13786(Top 91%)13786(Top 672%)
30K18.64 mi3.11 mi23171+4513678+5113678+5122997(Top 86%)13512(Top 89%)13512(Top 658%)
20M20.00 mi1.36 mi23130+4113645+3313645+3322765(Top 86%)13352(Top 88%)13352(Top 651%)
21M21.00 mi1.00 mi23062+6813605+4013605+4021961(Top 82%)12972(Top 85%)12972(Top 632%)
35K21.75 mi0.75 mi23076-1413598+713598+723345(Top 88%)13537(Top 89%)13537(Top 660%)
23M23.00 mi1.25 mi23032+4413568+3013568+3022499(Top 85%)13155(Top 87%)13155(Top 641%)
24M24.00 mi1.00 mi23024+813550+1813550+1823014(Top 86%)13350(Top 88%)13350(Top 651%)
40K24.85 mi0.85 mi22980+4413525+2513525+2522335(Top 84%)13000(Top 86%)13000(Top 634%)
25.2M25.20 mi0.35 mi22962+1813518+713518+721657(Top 81%)12702(Top 84%)12702(Top 619%)
Finish26.22 mi1.02 mi22961+113509+913509+922721(Top 85%)13189(Top 87%)13189(Top 643%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21story building
+97ft-345ft

Overall

22980

Males

13626

M50-54

13626

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

22350

Males

13323

M50-54

13323

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+67ft-78ft

Overall

22980

Males

13626

M50-54

13626

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

23162

Males

13705

M50-54

13705

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

23890

Males

14009

M50-54

14009

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

23452

Males

13786

M50-54

13786

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

22997

Males

13512

M50-54

13512

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

22765

Males

13352

M50-54

13352

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

21961

Males

12972

M50-54

12972

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

23345

Males

13537

M50-54

13537

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

22499

Males

13155

M50-54

13155

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

23014

Males

13350

M50-54

13350

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

22335

Males

13000

M50-54

13000

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21657

Males

12702

M50-54

12702

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

22721

Males

13189

M50-54

13189

Passing Analysis

Category:
Athletes Passed
1514
Passed By
817
Net Change
+697
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23658
5K → 10K60539+566#23658#23092
10K → 15K148128+20#23092#23072
15K → 20K118150-32#23072#23104
20K → Half950-41#23104#23145
Half → 25K81152-71#23145#23216
25K → 30K14398+45#23216#23171
30K → 20M7231+41#23171#23130
20M → 21M8517+68#23130#23062
21M → 35K2236-14#23062#23076
35K → 23M7228+44#23076#23032
23M → 24M4335+8#23032#23024
24M → 40K5814+44#23024#22980
40K → 25.2M235+18#22980#22962
25.2M → Finish3534+1#22962#22961
TOTALS1514817+697
📊

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