Darek Kozlowski

Mt Prospect

Bib: 70868 M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Gender (Male)

#0 / 29548

Masters (Masters Men)

#0 / 14666

Division (M55-59)

#0 / 1888

Race Day Weather

54°/44°F

few clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

600 ft elev

5K· 3.11 mi

11:43/mi

36:25

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

13:45/mi

1:19:09

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

12:05/mi

1:56:43

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

12:42/mi

2:36:10

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

13:32/mi

2:45:24

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

13:40/mi

3:18:32

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

14:25/mi

4:03:19

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

15:25/mi

4:51:12

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

16:44/mi

5:43:11

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

13:55/mi

6:02:10

↑ 23 ft↓ 20 ft

606 ft elev

Course Elevation

227ft

Total climb

32ft

Range

589 to 621 ft

221ft

Total descent

About the height of a three-story building

The Course

Half Splits

1st Half· via Half

2:45:2412:37 /mi⚡ faster

2nd Half

3:16:4615:01 /mi+19.0%

Positive split — 19.0% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	36:25	11:43	3.11 mi	36:25	11:43	-
10K	1:19:09	12:44	3.10 mi	42:44	13:45	+2:02
15K	1:56:43	12:31	3.11 mi	37:34	12:05	-1:40
20K	2:36:10	12:34	3.11 mi	39:27	12:42	+0:37
Half(13.11 mi)	2:45:24	12:37	0.68 mi	9:14	13:32	+0:50
25K	3:18:32	12:47	2.42 mi	33:08	13:40	+0:08
30K	4:03:19	13:03	3.11 mi	44:47	14:25	+0:45
35K	4:51:12	13:23	3.11 mi	47:53	15:25	+1:00
40K	5:43:11	13:48	3.10 mi	51:59	16:44	+1:19
Finish(26.22 mi)	6:02:10	13:49	1.37 mi	18:59	13:55	-2:49

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

11:43 /mi

Average Pace

13:49 /mi

Slowest Pace

16:44 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:53:26

31% of race

Time at Steady Pace

2:28:52

41% of race

Time at Slower Pace

1:39:52

28% of race

Average Pace: 13:49 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

Heatmap

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Checkpoint and Segment Rankings

Checkpoint	Seg. Dist	Overall	Males	M55-59	Seg. Overall	Seg. Males	Seg. M55-59
5K	3.11 mi	48550	27826	1728	48638	27862	1712
10K	3.10 mi	50716-2166	28601-775	1794-66	51767	28946	1817
15K	3.11 mi	50113+603	28370+231	1762+32	48638	27862	1712
20K	3.11 mi	49742+371	28232+138	1750+12	48599	27739	1701
Half(13.11 mi)	0.68 mi	49662+80	28202+30	1745+5	48732	27656	1697
25K	2.42 mi	49536+126	28121+81	1737+8	48742	27564	1706
30K	3.11 mi	49421+115	28020+101	1734+3	48580	27316	1689
35K	3.11 mi	49610-189	28038-18	1732+2	49941	27722	1725
40K	3.10 mi	50075-465	28164-126	1744-12	51471	28300	1778
Finish(26.22 mi)	1.37 mi	50054+21	28135+29	1744	48301	26722	1613

26722

Passing Analysis

No position changes recorded for this athlete.

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All Results

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Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Chicago Event Management

Race timed by

Mika Timing