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BOSTON MARATHON 2023

Mariusz Michalak

Bib: 12908•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 44%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 48%
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:31
Rank: #10252
Start → 5K
23:31 | 7:34/mi
10K· 6.21 mi
46:55
Rank: #10476 (-224)
5K → 10K
23:24 | 7:32/mi
15K· 9.32 mi
1:10:57
Rank: #11027 (-551)
10K → 15K
24:02 | 7:44/mi
20K· 12.43 mi
1:35:27
Rank: #11354 (-327)
15K → 20K
24:30 | 7:53/mi
Half· 13.11 mi
1:40:46
Rank: #11421 (-67)
20K → Half
5:19 | 7:48/mi
25K· 15.53 mi
1:59:53
Rank: #11437 (-16)
Half → 25K
19:07 | 7:53/mi
30K· 18.64 mi
2:25:07
Rank: #11482 (-45)
25K → 30K
25:14 | 8:07/mi
20M
2:36:13
Rank: #11450 (+32)
30K → 20M
11:06 | 8:10/mi
21M
2:44:52
Rank: #11434 (+16)
20M → 21M
8:39 | 8:39/mi
35K· 21.75 mi
2:50:51
Rank: #11451 (-17)
21M → 35K
5:59 | 8:00/mi
23M
3:01:18
Rank: #11488 (-37)
35K → 23M
10:27 | 8:21/mi
24M
3:09:33
Rank: #11567 (-79)
23M → 24M
8:15 | 8:15/mi
40K· 24.85 mi
3:16:44
Rank: #11608 (-41)
24M → 40K
7:11 | 8:24/mi
25.2M
3:19:51
Rank: #11622 (-14)
40K → 25.2M
3:07 | 9:02/mi
Finish· 26.22 mi
3:28:16
Rank: #11703 (-81)
25.2M → Finish
8:25 | 8:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:46
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:47:30
Pace8:12 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2023:317:3423:31
7:34
-
10K
6.21 mi11:14:4446:557:3323:24
7:32
-0:02
15K
9.32 mi11:38:461:10:577:3724:02
7:44
+0:12
20K
12.43 mi12:03:161:35:277:4124:30
7:53
+0:09
Half
13.11 mi12:08:351:40:467:415:19
7:48
-0:05
25K
15.53 mi12:27:421:59:537:4319:07
7:53
+0:05
30K
18.64 mi12:52:562:25:077:4725:14
8:07
+0:14
20M
20.00 mi13:04:022:36:137:4911:06
8:10
+0:03
21M
21.00 mi13:12:412:44:527:518:39
8:39
+0:29
35K
21.75 mi13:18:402:50:517:515:59
8:00
-0:39
23M
23.00 mi13:29:073:01:187:5310:27
8:21
+0:21
24M
24.00 mi13:37:223:09:337:548:15
8:15
-0:06
40K
24.85 mi13:44:333:16:447:557:11
8:24
+0:09
25.2M
25.20 mi13:47:403:19:517:563:07
9:02
+0:38
Finish
26.22 mi13:56:053:28:167:578:25
8:16
-0:46

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

7:32 /mi

Average Pace

7:57 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:52

86% of race

Time at Steady Pace

26:17

13% of race

Time at Slower Pace

3:07

1% of race

Average Pace: 7:57 /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 mi10:51:2023:317:3423:31
7:34
#10252
10K
6.21 mi11:14:4446:557:3323:24
7:32
#10476
15K
9.32 mi11:38:461:10:577:3724:02
7:44
#11027
20K
12.43 mi12:03:161:35:277:4124:30
7:53
#11354
Half
13.11 mi12:08:351:40:467:415:19
7:48
#11421
25K
15.53 mi12:27:421:59:537:4319:07
7:53
#11437
30K
18.64 mi12:52:562:25:077:4725:14
8:07
#11482
20M
20.00 mi13:04:022:36:137:4911:06
8:10
#11450
21M
21.00 mi13:12:412:44:527:518:39
8:39
#11434
35K
21.75 mi13:18:402:50:517:515:59
8:00
#11451
23M
23.00 mi13:29:073:01:187:5310:27
8:21
#11488
24M
24.00 mi13:37:223:09:337:548:15
8:15
#11567
40K
24.85 mi13:44:333:16:447:557:11
8:24
#11608
25.2M
25.20 mi13:47:403:19:517:563:07
9:02
#11622
Finish
26.22 mi13:56:053:28:167:578:25
8:16
#11703
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi102528262826212146(Top 46%)9152(Top 60%)9152(Top 446%)
10K6.21 mi3.10 mi10476-2248405-1438405-14310708(Top 40%)8536(Top 56%)8536(Top 416%)
15K9.32 mi3.11 mi11027-5518667-2628667-26212146(Top 46%)9152(Top 60%)9152(Top 446%)
20K12.43 mi3.11 mi11354-3278810-1438810-14312481(Top 47%)9215(Top 61%)9215(Top 449%)
Half13.11 mi0.68 mi11421-678827-178827-1712584(Top 47%)9309(Top 61%)9309(Top 454%)
25K15.53 mi2.42 mi11437-168811+168811+1611789(Top 44%)8823(Top 58%)8823(Top 430%)
30K18.64 mi3.11 mi11482-458785+268785+2611787(Top 44%)8715(Top 57%)8715(Top 425%)
20M20.00 mi1.36 mi11450+328743+428743+4211453(Top 43%)8465(Top 56%)8465(Top 413%)
21M21.00 mi1.00 mi11434+168730+138730+1311337(Top 43%)8270(Top 54%)8270(Top 403%)
35K21.75 mi0.75 mi11451-178719+118719+1112076(Top 45%)8585(Top 57%)8585(Top 418%)
23M23.00 mi1.25 mi11488-378710+98710+912196(Top 46%)8552(Top 56%)8552(Top 417%)
24M24.00 mi1.00 mi11567-798726-168726-1612910(Top 48%)8802(Top 58%)8802(Top 429%)
40K24.85 mi0.85 mi11608-418727-18727-112687(Top 48%)8622(Top 57%)8622(Top 420%)
25.2M25.20 mi0.35 mi11622-148718+98718+912679(Top 48%)8592(Top 57%)8592(Top 419%)
Finish26.22 mi1.02 mi11703-818727-98727-913812(Top 52%)9153(Top 60%)9153(Top 446%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

12146

Males

9152

M50-54

9152

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

10708

Males

8536

M50-54

8536

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

12146

Males

9152

M50-54

9152

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

12481

Males

9215

M50-54

9215

20K→Half

12.4 - 13.1 mi

Top 47%
×2stories
+19ft-37ft

Overall

12584

Males

9309

M50-54

9309

Half→25K

13.1 - 15.5 mi

Top 44%
×4stories
+66ft-88ft

Overall

11789

Males

8823

M50-54

8823

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

11787

Males

8715

M50-54

8715

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

11453

Males

8465

M50-54

8465

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

11337

Males

8270

M50-54

8270

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

12076

Males

8585

M50-54

8585

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

12196

Males

8552

M50-54

8552

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

12910

Males

8802

M50-54

8802

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12687

Males

8622

M50-54

8622

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12679

Males

8592

M50-54

8592

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

13812

Males

9153

M50-54

9153

Passing Analysis

Category:
Athletes Passed
1103*
Passed By
2554
Net Change
-1451
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10252
5K → 10K194*418-224#10252#10476
10K → 15K54605-551#10476#11027
15K → 20K69396-327#11027#11354
20K → Half1885-67#11354#11421
Half → 25K104120-16#11421#11437
25K → 30K171216-45#11437#11482
30K → 20M10169+32#11482#11450
20M → 21M10084+16#11450#11434
21M → 35K4057-17#11434#11451
35K → 23M84121-37#11451#11488
23M → 24M44123-79#11488#11567
24M → 40K4788-41#11567#11608
40K → 25.2M2842-14#11608#11622
25.2M → Finish49130-81#11622#11703
TOTALS1103*2554-1451

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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