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BOSTON MARATHON 2023

Mark Muir

Bib: 8321•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 22%
Gender (Male)
#0 / 15176
Top 35%
Masters (Masters Men)
#0 / 9891
Top 21%
Division (M40-44)
#0 / 2241
Top 47%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:51
Rank: #6448
Start → 5K
21:51 | 7:02/mi
10K· 6.21 mi
43:38
Rank: #6625 (-177)
5K → 10K
21:47 | 7:01/mi
15K· 9.32 mi
1:05:35
Rank: #6713 (-88)
10K → 15K
21:57 | 7:04/mi
20K· 12.43 mi
1:27:44
Rank: #6690 (+23)
15K → 20K
22:09 | 7:08/mi
Half· 13.11 mi
1:32:31
Rank: #6684 (+6)
20K → Half
4:47 | 7:01/mi
25K· 15.53 mi
1:49:57
Rank: #6654 (+30)
Half → 25K
17:26 | 7:11/mi
30K· 18.64 mi
2:12:35
Rank: #6469 (+185)
25K → 30K
22:38 | 7:17/mi
20M
2:22:31
Rank: #6384 (+85)
30K → 20M
9:56 | 7:19/mi
21M
2:30:14
Rank: #6308 (+76)
20M → 21M
7:43 | 7:43/mi
35K· 21.75 mi
2:35:15
Rank: #6195 (+113)
21M → 35K
5:01 | 6:42/mi
23M
2:44:21
Rank: #6078 (+117)
35K → 23M
9:06 | 7:16/mi
24M
2:51:27
Rank: #5991 (+87)
23M → 24M
7:06 | 7:06/mi
40K· 24.85 mi
2:57:39
Rank: #5919 (+72)
24M → 40K
6:12 | 7:15/mi
25.2M
3:00:22
Rank: #5898 (+21)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:07:45
Rank: #5883 (+15)
25.2M → Finish
7:23 | 7:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:31
Pace7:03 /mi
2nd Half
Distance13.11 mi
Time1:35:14
Pace7:16 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1221:517:0221:51
7:02
-
10K
6.21 mi11:08:5943:387:0121:47
7:01
-0:01
15K
9.32 mi11:30:561:05:357:0221:57
7:04
+0:03
20K
12.43 mi11:53:051:27:447:0422:09
7:08
+0:04
Half
13.11 mi11:57:521:32:317:034:47
7:01
-0:07
25K
15.53 mi12:15:181:49:577:0517:26
7:11
+0:10
30K
18.64 mi12:37:562:12:357:0722:38
7:17
+0:06
20M
20.00 mi12:47:522:22:317:089:56
7:19
+0:02
21M
21.00 mi12:55:352:30:147:097:43
7:43
+0:24
35K
21.75 mi13:00:362:35:157:085:01
6:42
-1:01
23M
23.00 mi13:09:422:44:217:099:06
7:16
+0:34
24M
24.00 mi13:16:482:51:277:097:06
7:06
-0:10
40K
24.85 mi13:23:002:57:397:096:12
7:15
+0:09
25.2M
25.20 mi13:25:433:00:227:092:43
7:53
+0:38
Finish
26.22 mi13:33:063:07:457:107:23
7:15
-0:38

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

6:42 /mi

Average Pace

7:10 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:19

94% of race

Time at Steady Pace

10:26

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:10 /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 mi10:47:1221:517:0221:51
7:02
#6448
10K
6.21 mi11:08:5943:387:0121:47
7:01
#6625
15K
9.32 mi11:30:561:05:357:0221:57
7:04
#6713
20K
12.43 mi11:53:051:27:447:0422:09
7:08
#6690
Half
13.11 mi11:57:521:32:317:034:47
7:01
#6684
25K
15.53 mi12:15:181:49:577:0517:26
7:11
#6654
30K
18.64 mi12:37:562:12:357:0722:38
7:17
#6469
20M
20.00 mi12:47:522:22:317:089:56
7:19
#6384
21M
21.00 mi12:55:352:30:147:097:43
7:43
#6308
35K
21.75 mi13:00:362:35:157:085:01
6:42
#6195
23M
23.00 mi13:09:422:44:217:099:06
7:16
#6078
24M
24.00 mi13:16:482:51:277:097:06
7:06
#5991
40K
24.85 mi13:23:002:57:397:096:12
7:15
#5919
25.2M
25.20 mi13:25:433:00:227:092:43
7:53
#5898
Finish
26.22 mi13:33:063:07:457:107:23
7:15
#5883
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6448584658466928(Top 26%)6190(Top 41%)6190(Top 276%)
10K6.21 mi3.10 mi6625-1775974-1285974-1286892(Top 26%)6153(Top 41%)6153(Top 275%)
15K9.32 mi3.11 mi6713-886039-656039-656928(Top 26%)6190(Top 41%)6190(Top 276%)
20K12.43 mi3.11 mi6690+236007+326007+326698(Top 25%)5981(Top 39%)5981(Top 267%)
Half13.11 mi0.68 mi6684+66004+36004+36556(Top 25%)5896(Top 39%)5896(Top 263%)
25K15.53 mi2.42 mi6654+305969+355969+356614(Top 25%)5869(Top 39%)5869(Top 262%)
30K18.64 mi3.11 mi6469+1855818+1515818+1515935(Top 22%)5328(Top 35%)5328(Top 238%)
20M20.00 mi1.36 mi6384+855742+765742+765685(Top 21%)5060(Top 33%)5060(Top 226%)
21M21.00 mi1.00 mi6308+765677+655677+655710(Top 21%)4982(Top 33%)4982(Top 222%)
35K21.75 mi0.75 mi6195+1135586+915586+913645(Top 14%)3379(Top 22%)3379(Top 151%)
23M23.00 mi1.25 mi6078+1175481+1055481+1055141(Top 19%)4568(Top 30%)4568(Top 204%)
24M24.00 mi1.00 mi5991+875400+815400+815200(Top 20%)4573(Top 30%)4573(Top 204%)
40K24.85 mi0.85 mi5919+725332+685332+685148(Top 19%)4444(Top 29%)4444(Top 198%)
25.2M25.20 mi0.35 mi5898+215315+175315+175764(Top 22%)4784(Top 32%)4784(Top 213%)
Finish26.22 mi1.02 mi5883+155295+205295+206702(Top 25%)5375(Top 35%)5375(Top 240%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

6928

Males

6190

M40-44

6190

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

6892

Males

6153

M40-44

6153

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

6928

Males

6190

M40-44

6190

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

6698

Males

5981

M40-44

5981

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

6556

Males

5896

M40-44

5896

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

6614

Males

5869

M40-44

5869

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

5935

Males

5328

M40-44

5328

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5685

Males

5060

M40-44

5060

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5710

Males

4982

M40-44

4982

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3645

Males

3379

M40-44

3379

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5141

Males

4568

M40-44

4568

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5200

Males

4573

M40-44

4573

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5148

Males

4444

M40-44

4444

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5764

Males

4784

M40-44

4784

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6702

Males

5375

M40-44

5375

Passing Analysis

Category:
Athletes Passed
1365
Passed By
800
Net Change
+565
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6448
5K → 10K115292-177#6448#6625
10K → 15K75163-88#6625#6713
15K → 20K12198+23#6713#6690
20K → Half2317+6#6690#6684
Half → 25K9464+30#6684#6654
25K → 30K21126+185#6654#6469
30K → 20M10621+85#6469#6384
20M → 21M9620+76#6384#6308
21M → 35K1130+113#6308#6195
35K → 23M12710+117#6195#6078
23M → 24M10013+87#6078#5991
24M → 40K9119+72#5991#5919
40K → 25.2M3110+21#5919#5898
25.2M → Finish6247+15#5898#5883
TOTALS1365800+565
📊

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