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BOSTON MARATHON 2023

Michael Lopatofsky

Bib: 7442•M

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 46%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:04
Rank: #4515
Start → 5K
21:04 | 6:47/mi
10K· 6.21 mi
42:21
Rank: #5097 (-582)
5K → 10K
21:17 | 6:51/mi
15K· 9.32 mi
1:03:51
Rank: #5484 (-387)
10K → 15K
21:30 | 6:55/mi
20K· 12.43 mi
1:25:56
Rank: #5806 (-322)
15K → 20K
22:05 | 7:06/mi
Half· 13.11 mi
1:30:41
Rank: #5829 (-23)
20K → Half
4:45 | 6:58/mi
25K· 15.53 mi
1:49:50
Rank: #6617 (-788)
Half → 25K
19:09 | 7:54/mi
30K· 18.64 mi
2:16:32
Rank: #7816 (-1199)
25K → 30K
26:42 | 8:36/mi
20M
2:29:03
Rank: #8577 (-761)
30K → 20M
12:31 | 9:13/mi
21M
2:39:06
Rank: #9233 (-656)
20M → 21M
10:03 | 10:03/mi
35K· 21.75 mi
2:45:47
Rank: #9590 (-357)
21M → 35K
6:41 | 8:56/mi
23M
2:57:44
Rank: #10237 (-647)
35K → 23M
11:57 | 9:33/mi
24M
3:07:38
Rank: #10887 (-650)
23M → 24M
9:54 | 9:54/mi
40K· 24.85 mi
3:16:29
Rank: #11530 (-643)
24M → 40K
8:51 | 10:21/mi
25.2M
3:20:34
Rank: #11850 (-320)
40K → 25.2M
4:05 | 11:50/mi
Finish· 26.22 mi
3:29:52
Rank: #12213 (-363)
25.2M → Finish
9:18 | 9:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:41
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:59:11
Pace9:06 /mi
📊Positive Split: 31.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:0721:046:4721:04
6:47
-
10K
6.21 mi10:47:2442:216:4921:17
6:51
+0:04
15K
9.32 mi11:08:541:03:516:5121:30
6:55
+0:04
20K
12.43 mi11:30:591:25:566:5522:05
7:06
+0:11
Half
13.11 mi11:35:441:30:416:554:45
6:58
-0:08
25K
15.53 mi11:54:531:49:507:0419:09
7:54
+0:56
30K
18.64 mi12:21:352:16:327:1926:42
8:36
+0:42
20M
20.00 mi12:34:062:29:037:2712:31
9:13
+0:37
21M
21.00 mi12:44:092:39:067:3510:03
10:03
+0:50
35K
21.75 mi12:50:502:45:477:376:41
8:56
-1:07
23M
23.00 mi13:02:472:57:447:4411:57
9:33
+0:37
24M
24.00 mi13:12:413:07:387:499:54
9:54
+0:21
40K
24.85 mi13:21:323:16:297:548:51
10:21
+0:27
25.2M
25.20 mi13:25:373:20:347:584:05
11:50
+1:29
Finish
26.22 mi13:34:553:29:528:019:18
9:08
-2:42

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

6:47 /mi

Average Pace

8:01 /mi

Slowest Pace

11:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:50

52% of race

Time at Steady Pace

1:07:09

32% of race

Time at Slower Pace

32:53

16% of race

Average Pace: 8:00 /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 mi10:26:0721:046:4721:04
6:47
#4515
10K
6.21 mi10:47:2442:216:4921:17
6:51
#5097
15K
9.32 mi11:08:541:03:516:5121:30
6:55
#5484
20K
12.43 mi11:30:591:25:566:5522:05
7:06
#5806
Half
13.11 mi11:35:441:30:416:554:45
6:58
#5829
25K
15.53 mi11:54:531:49:507:0419:09
7:54
#6617
30K
18.64 mi12:21:352:16:327:1926:42
8:36
#7816
20M
20.00 mi12:34:062:29:037:2712:31
9:13
#8577
21M
21.00 mi12:44:092:39:067:3510:03
10:03
#9233
35K
21.75 mi12:50:502:45:477:376:41
8:56
#9590
23M
23.00 mi13:02:472:57:447:4411:57
9:33
#10237
24M
24.00 mi13:12:413:07:387:499:54
9:54
#10887
40K
24.85 mi13:21:323:16:297:548:51
10:21
#11530
25.2M
25.20 mi13:25:373:20:347:584:05
11:50
#11850
Finish
26.22 mi13:34:553:29:528:019:18
9:08
#12213
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4515421742176086(Top 23%)5528(Top 36%)5528(Top 247%)
10K6.21 mi3.10 mi5097-5824724-5074724-5075771(Top 22%)5283(Top 35%)5283(Top 236%)
15K9.32 mi3.11 mi5484-3875065-3415065-3416086(Top 23%)5528(Top 36%)5528(Top 247%)
20K12.43 mi3.11 mi5806-3225332-2675332-2676603(Top 25%)5917(Top 39%)5917(Top 264%)
Half13.11 mi0.68 mi5829-235347-155347-156368(Top 24%)5778(Top 38%)5778(Top 258%)
25K15.53 mi2.42 mi6617-7885944-5975944-59711895(Top 45%)8864(Top 58%)8864(Top 396%)
30K18.64 mi3.11 mi7816-11996755-8116755-81114872(Top 56%)9995(Top 66%)9995(Top 446%)
20M20.00 mi1.36 mi8577-7617220-4657220-46517579(Top 66%)11054(Top 73%)11054(Top 493%)
21M21.00 mi1.00 mi9233-6567594-3747594-37418182(Top 68%)11292(Top 74%)11292(Top 504%)
35K21.75 mi0.75 mi9590-3577799-2057799-20517576(Top 66%)10947(Top 72%)10947(Top 488%)
23M23.00 mi1.25 mi10237-6478110-3118110-31118470(Top 69%)11329(Top 75%)11329(Top 506%)
24M24.00 mi1.00 mi10887-6508404-2948404-29420488(Top 77%)12205(Top 80%)12205(Top 545%)
40K24.85 mi0.85 mi11530-6438685-2818685-28120852(Top 78%)12303(Top 81%)12303(Top 549%)
25.2M25.20 mi0.35 mi11850-3208819-1348819-13422186(Top 83%)12927(Top 85%)12927(Top 577%)
Finish26.22 mi1.02 mi12213-3638956-1378956-13718552(Top 70%)11329(Top 75%)11329(Top 506%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6086

Males

5528

M40-44

5528

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5771

Males

5283

M40-44

5283

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6086

Males

5528

M40-44

5528

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

6603

Males

5917

M40-44

5917

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6368

Males

5778

M40-44

5778

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

11895

Males

8864

M40-44

8864

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

14872

Males

9995

M40-44

9995

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

17579

Males

11054

M40-44

11054

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

18182

Males

11292

M40-44

11292

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

17576

Males

10947

M40-44

10947

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

18470

Males

11329

M40-44

11329

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

20488

Males

12205

M40-44

12205

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20852

Males

12303

M40-44

12303

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

22186

Males

12927

M40-44

12927

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

18552

Males

11329

M40-44

11329

Passing Analysis

Category:
Athletes Passed
196
Passed By
7892
Net Change
-7698
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4515
5K → 10K48630-582#4515#5097
10K → 15K30417-387#5097#5484
15K → 20K34356-322#5484#5806
20K → Half1134-23#5806#5829
Half → 25K6794-788#5829#6617
25K → 30K71206-1199#6617#7816
30K → 20M8769-761#7816#8577
20M → 21M6662-656#8577#9233
21M → 35K5362-357#9233#9590
35K → 23M12657-647#9590#10237
23M → 24M8658-650#10237#10887
24M → 40K3646-643#10887#11530
40K → 25.2M2322-320#11530#11850
25.2M → Finish16379-363#11850#12213
TOTALS1967892-7698
📊

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