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BOSTON MARATHON 2023

Robert Muir

Bib: 11956•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 24%
Gender (Male)
#0 / 15176
Top 38%
Masters (Masters Men)
#0 / 9891
Top 24%
Division (M55-59)
#0 / 1422
Top 8%
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
7:07/mi
22:06
↑ 97↓ 3451.5%
10K· 6.21 mi
7:03/mi
43:59
↑ 79↓ 1380.4%
15K· 9.32 mi
6:54/mi
1:05:26
↑ 67↓ 78
20K· 12.43 mi
7:04/mi
1:27:22
↑ 106↓ 860.1%
Half· 13.11 mi
7:05/mi
1:32:12
↑ 19↓ 370.5%
25K· 15.53 mi
7:11/mi
1:49:37
↑ 66↓ 880.2%
30K· 18.64 mi
7:27/mi
2:12:45
↑ 181↓ 1480.2%
20M
7:34/mi
2:23:02
↑ 64↓ 500.2%
21M
8:09/mi
2:31:11
↑ 106↓ 241.6%
35K· 21.75 mi
7:24/mi
2:36:43
↑ 17↓ 861.7%
23M
7:41/mi
2:46:20
↑ 23↓ 630.6%
24M
7:25/mi
2:53:45
↓ 821.3%
40K· 24.85 mi
7:41/mi
3:00:19
↓ 200.3%
25.2M
8:07/mi
3:03:07
↑ 13↓ 160.2%
Finish· 26.22 mi
7:03/mi
3:10:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:12
Pace7:02 /mi
2nd Half
Distance13.11 mi
Time1:38:06
Pace7:29 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:5822:067:0722:06
7:07
-
10K
6.21 mi11:10:5143:597:0521:53
7:03
-0:04
15K
9.32 mi11:32:181:05:267:0121:27
6:54
-0:09
20K
12.43 mi11:54:141:27:227:0221:56
7:04
+0:10
Half
13.11 mi11:59:041:32:127:024:50
7:05
+0:01
25K
15.53 mi12:16:291:49:377:0317:25
7:11
+0:06
30K
18.64 mi12:39:372:12:457:0723:08
7:27
+0:16
20M
20.00 mi12:49:542:23:027:0910:17
7:34
+0:07
21M
21.00 mi12:58:032:31:117:128:09
8:09
+0:35
35K
21.75 mi13:03:352:36:437:125:32
7:24
-0:45
23M
23.00 mi13:13:122:46:207:149:37
7:41
+0:17
24M
24.00 mi13:20:372:53:457:147:25
7:25
-0:16
40K
24.85 mi13:27:113:00:197:156:34
7:41
+0:16
25.2M
25.20 mi13:29:593:03:077:162:48
8:07
+0:26
Finish
26.22 mi13:37:103:10:187:167:11
7:03
-1:04

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

6:54 /mi

Average Pace

7:16 /mi

Slowest Pace

8:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:10

86% of race

Time at Steady Pace

18:59

10% of race

Time at Slower Pace

8:09

4% of race

Average Pace: 7:15 /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 mi10:48:5822:067:0722:06
7:07
#6952
10K
6.21 mi11:10:5143:597:0521:53
7:03
#6970
15K
9.32 mi11:32:181:05:267:0121:27
6:54
#6628
20K
12.43 mi11:54:141:27:227:0221:56
7:04
#6512
Half
13.11 mi11:59:041:32:127:024:50
7:05
#6545
25K
15.53 mi12:16:291:49:377:0317:25
7:11
#6536
30K
18.64 mi12:39:372:12:457:0723:08
7:27
#6527
20M
20.00 mi12:49:542:23:027:0910:17
7:34
#6523
21M
21.00 mi12:58:032:31:117:128:09
8:09
#6585
35K
21.75 mi13:03:352:36:437:125:32
7:24
#6587
23M
23.00 mi13:13:122:46:207:149:37
7:41
#6595
24M
24.00 mi13:20:372:53:457:147:25
7:25
#6579
40K
24.85 mi13:27:113:00:197:156:34
7:41
#6547
25.2M
25.20 mi13:29:593:03:077:162:48
8:07
#6550
Finish
26.22 mi13:37:103:10:187:167:11
7:03
#6489
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi6952623362335986(Top 22%)5454(Top 36%)5454(Top 384%)
10K6.21 mi3.10 mi6970-186238-56238-57087(Top 27%)6301(Top 42%)6301(Top 443%)
15K9.32 mi3.11 mi6628+3425974+2645974+2645986(Top 22%)5454(Top 36%)5454(Top 384%)
20K12.43 mi3.11 mi6512+1165873+1015873+1016337(Top 24%)5728(Top 38%)5728(Top 403%)
Half13.11 mi0.68 mi6545-335897-245897-247022(Top 26%)6239(Top 41%)6239(Top 439%)
25K15.53 mi2.42 mi6536+95879+185879+186580(Top 25%)5850(Top 39%)5850(Top 411%)
30K18.64 mi3.11 mi6527+95865+145865+146854(Top 26%)5964(Top 39%)5964(Top 419%)
20M20.00 mi1.36 mi6523+45844+215844+217261(Top 27%)6126(Top 40%)6126(Top 431%)
21M21.00 mi1.00 mi6585-625876-325876-328264(Top 31%)6616(Top 44%)6616(Top 465%)
35K21.75 mi0.75 mi6587-25868+85868+87720(Top 29%)6316(Top 42%)6316(Top 444%)
23M23.00 mi1.25 mi6595-85866+25866+27602(Top 29%)6178(Top 41%)6178(Top 434%)
24M24.00 mi1.00 mi6579+165839+275839+277138(Top 27%)5788(Top 38%)5788(Top 407%)
40K24.85 mi0.85 mi6547+325801+385801+387799(Top 29%)6113(Top 40%)6113(Top 430%)
25.2M25.20 mi0.35 mi6550-35796+55796+57133(Top 27%)5647(Top 37%)5647(Top 397%)
Finish26.22 mi1.02 mi6489+615740+565740+565501(Top 21%)4593(Top 30%)4593(Top 323%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21story building
+97ft-345ft

Overall

5986

Males

5454

M55-59

5454

5K→10K

3.1 - 6.2 mi

Top 27%
×5story building
+79ft-138ft

Overall

7087

Males

6301

M55-59

6301

10K→15K

6.2 - 9.3 mi

Top 22%
×3story building
+67ft-78ft

Overall

5986

Males

5454

M55-59

5454

15K→20K

9.3 - 12.4 mi

Top 24%
×5story building
+106ft-86ft

Overall

6337

Males

5728

M55-59

5728

20K→Half

12.4 - 13.1 mi

Top 26%
×2story building
+19ft-37ft

Overall

7022

Males

6239

M55-59

6239

Half→25K

13.1 - 15.5 mi

Top 25%
×4story building
+66ft-88ft

Overall

6580

Males

5850

M55-59

5850

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

6854

Males

5964

M55-59

5964

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7261

Males

6126

M55-59

6126

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8264

Males

6616

M55-59

6616

21M→35K

21.0 - 21.8 mi

Top 29%
×7story building
+17ft-86ft

Overall

7720

Males

6316

M55-59

6316

35K→23M

21.8 - 23.0 mi

Top 29%
×5story building
+23ft-63ft

Overall

7602

Males

6178

M55-59

6178

23M→24M

23.0 - 24.0 mi

Top 27%
×6story building
+12ft-82ft

Overall

7138

Males

5788

M55-59

5788

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7799

Males

6113

M55-59

6113

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7133

Males

5647

M55-59

5647

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

5501

Males

4593

M55-59

4593

Passing Analysis

Category:
Athletes Passed
1350
Passed By
887
Net Change
+463
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6952
5K → 10K194212-18#6952#6970
10K → 15K35412+342#6970#6628
15K → 20K16650+116#6628#6512
20K → Half639-33#6512#6545
Half → 25K7869+9#6545#6536
25K → 30K120111+9#6536#6527
30K → 20M6460+4#6527#6523
20M → 21M43105-62#6523#6585
21M → 35K4446-2#6585#6587
35K → 23M5866-8#6587#6595
23M → 24M5438+16#6595#6579
24M → 40K6937+32#6579#6547
40K → 25.2M1720-3#6547#6550
25.2M → Finish8322+61#6550#6489
TOTALS1350887+463
📊

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