Krzysztof Kozak

Bib: 27586M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M55-59)
#0 / 1529
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:17
Rank: #22397
Start5K
30:17 | 9:45/mi
10K· 6.21 mi
59:50
Rank: #21895 (+502)
5K10K
29:33 | 9:31/mi
15K· 9.32 mi
1:29:23
Rank: #21461 (+434)
10K15K
29:33 | 9:31/mi
20K· 12.43 mi
1:59:14
Rank: #20928 (+533)
15K20K
29:51 | 9:36/mi
Half· 13.11 mi
2:05:40
Rank: #20866 (+62)
20KHalf
6:26 | 9:26/mi
25K· 15.53 mi
2:29:39
Rank: #20508 (+358)
Half25K
23:59 | 9:54/mi
30K· 18.64 mi
3:03:02
Rank: #20287 (+221)
25K30K
33:23 | 10:45/mi
20M
3:17:49
Rank: #20188 (+99)
30K20M
14:47 | 10:53/mi
21M
3:29:42
Rank: #20069 (+119)
20M21M
11:53 | 11:53/mi
35K· 21.75 mi
3:37:39
Rank: #20010 (+59)
21M35K
7:57 | 10:38/mi
23M
3:49:53
Rank: #19714 (+296)
35K23M
12:14 | 9:46/mi
24M
3:59:41
Rank: #19521 (+193)
23M24M
9:48 | 9:48/mi
40K· 24.85 mi
4:08:17
Rank: #19362 (+159)
24M40K
8:36 | 10:04/mi
25.2M
4:12:23
Rank: #19317 (+45)
40K25.2M
4:06 | 11:53/mi
Finish· 26.22 mi
4:22:41
Rank: #19280 (+37)
25.2MFinish
10:18 | 10:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:40
Pace9:35 /mi
2nd Half
Distance13.11 mi
Time2:17:01
Pace10:27 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:4930:179:4530:17
9:45
-
10K
6.21 mi12:18:2259:509:3829:33
9:31
-0:14
15K
9.32 mi12:47:551:29:239:3529:33
9:31
0:00
20K
12.43 mi13:17:461:59:149:3629:51
9:36
+0:05
Half
13.11 mi13:24:122:05:409:356:26
9:26
-0:10
25K
15.53 mi13:48:112:29:399:3823:59
9:54
+0:28
30K
18.64 mi14:21:343:03:029:4933:23
10:45
+0:51
20M
20.00 mi14:36:213:17:499:5314:47
10:53
+0:08
21M
21.00 mi14:48:143:29:429:5911:53
11:53
+1:00
35K
21.75 mi14:56:113:37:3910:007:57
10:38
-1:15
23M
23.00 mi15:08:253:49:5310:0012:14
9:46
-0:52
24M
24.00 mi15:18:133:59:419:599:48
9:48
+0:02
40K
24.85 mi15:26:494:08:179:598:36
10:04
+0:16
25.2M
25.20 mi15:30:554:12:2310:014:06
11:53
+1:49
Finish
26.22 mi15:41:134:22:4110:0210:18
10:06
-1:47

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

9:26 /mi

Average Pace

10:02 /mi

Slowest Pace

11:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

6:26

2% of race

Time at Steady Pace

3:04:09

70% of race

Time at Slower Pace

1:12:06

27% of race

Average Pace: 10:01 /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 mi11:48:4930:179:4530:17
9:45
#22397
10K
6.21 mi12:18:2259:509:3829:33
9:31
#21895
15K
9.32 mi12:47:551:29:239:3529:33
9:31
#21461
20K
12.43 mi13:17:461:59:149:3629:51
9:36
#20928
Half
13.11 mi13:24:122:05:409:356:26
9:26
#20866
25K
15.53 mi13:48:112:29:399:3823:59
9:54
#20508
30K
18.64 mi14:21:343:03:029:4933:23
10:45
#20287
20M
20.00 mi14:36:213:17:499:5314:47
10:53
#20188
21M
21.00 mi14:48:143:29:429:5911:53
11:53
#20069
35K
21.75 mi14:56:113:37:3910:007:57
10:38
#20010
23M
23.00 mi15:08:253:49:5310:0012:14
9:46
#19714
24M
24.00 mi15:18:133:59:419:599:48
9:48
#19521
40K
24.85 mi15:26:494:08:179:598:36
10:04
#19362
25.2M
25.20 mi15:30:554:12:2310:014:06
11:53
#19317
Finish
26.22 mi15:41:134:22:4110:0210:18
10:06
#19280
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi22397132411324120690(Top 81%)12496(Top 86%)12496(Top 817%)
10K6.21 mi3.10 mi21895+50212991+25012991+25021401(Top 84%)12764(Top 88%)12764(Top 835%)
15K9.32 mi3.11 mi21461+43412798+19312798+19320690(Top 81%)12496(Top 86%)12496(Top 817%)
20K12.43 mi3.11 mi20928+53312569+22912569+22919519(Top 76%)11924(Top 82%)11924(Top 780%)
Half13.11 mi0.68 mi20866+6212538+3112538+3119808(Top 78%)11985(Top 82%)11985(Top 784%)
25K15.53 mi2.42 mi20508+35812352+18612352+18618820(Top 74%)11494(Top 79%)11494(Top 752%)
30K18.64 mi3.11 mi20287+22112198+15412198+15419385(Top 76%)11564(Top 79%)11564(Top 756%)
20M20.00 mi1.36 mi20188+9912121+7712121+7718983(Top 74%)11241(Top 77%)11241(Top 735%)
21M21.00 mi1.00 mi20069+11912045+7612045+7618539(Top 73%)10907(Top 75%)10907(Top 713%)
35K21.75 mi0.75 mi20010+5912002+4312002+4318895(Top 74%)11079(Top 76%)11079(Top 725%)
23M23.00 mi1.25 mi19714+29611825+17711825+17714630(Top 57%)8872(Top 61%)8872(Top 580%)
24M24.00 mi1.00 mi19521+19311713+11211713+11215638(Top 61%)9342(Top 64%)9342(Top 611%)
40K24.85 mi0.85 mi19362+15911631+8211631+8215225(Top 60%)9080(Top 62%)9080(Top 594%)
25.2M25.20 mi0.35 mi19317+4511602+2911602+2917080(Top 67%)9963(Top 68%)9963(Top 652%)
Finish26.22 mi1.02 mi19280+3711576+2611576+2618771(Top 73%)10868(Top 75%)10868(Top 711%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

20690

Males

12496

M55-59

12496

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

21401

Males

12764

M55-59

12764

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

20690

Males

12496

M55-59

12496

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

19519

Males

11924

M55-59

11924

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

19808

Males

11985

M55-59

11985

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

18820

Males

11494

M55-59

11494

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

19385

Males

11564

M55-59

11564

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

18983

Males

11241

M55-59

11241

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

18539

Males

10907

M55-59

10907

21M→35K

21.0 - 21.8 mi

Top 74%
×7stories
+17ft-86ft

Overall

18895

Males

11079

M55-59

11079

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

14630

Males

8872

M55-59

8872

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

15638

Males

9342

M55-59

9342

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15225

Males

9080

M55-59

9080

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17080

Males

9963

M55-59

9963

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

18771

Males

10868

M55-59

10868

Passing Analysis

Category:
Athletes Passed
3429
Passed By
312
Net Change
+3117
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22397
5K10K55755+502#22397#21895
10K15K46430+434#21895#21461
15K20K5429+533#21461#20928
20KHalf642+62#20928#20866
Half25K37214+358#20866#20508
25K30K28968+221#20508#20287
30K20M14142+99#20287#20188
20M21M14526+119#20188#20069
21M35K7415+59#20069#20010
35K23M2971+296#20010#19714
23M24M1963+193#19714#19521
24M40K1612+159#19521#19362
40K25.2M472+45#19362#19317
25.2MFinish8043+37#19317#19280
TOTALS3429312+3117
📊

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