Erik Kolacz

Chicago

Bib: 46335 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 (M45-49)

#0 / 3637

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

12:14/mi

38:01

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

13:30/mi

1:19:57

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

14:45/mi

2:05:47

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

14:38/mi

2:51:13

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

14:38/mi

3:01:12

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

15:36/mi

3:39:01

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

16:37/mi

4:30:38

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

16:13/mi

5:21:02

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

16:54/mi

6:13:31

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

15:38/mi

6:34:50

↑ 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

3:01:1213:49 /mi⚡ faster

2nd Half

3:33:3816:18 /mi+17.9%

Positive split — 17.9% slower in the second half

AI Race Performance Report

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	38:01	12:14	3.11 mi	38:01	12:14	-
10K	1:19:57	12:52	3.10 mi	41:56	13:30	+1:16
15K	2:05:47	13:30	3.11 mi	45:50	14:45	+1:15
20K	2:51:13	13:47	3.11 mi	45:26	14:38	-0:07
Half(13.11 mi)	3:01:12	13:49	0.68 mi	9:59	14:38	0:00
25K	3:39:01	14:06	2.42 mi	37:49	15:36	+0:58
30K	4:30:38	14:31	3.11 mi	51:37	16:37	+1:01
35K	5:21:02	14:46	3.11 mi	50:24	16:13	-0:24
40K	6:13:31	15:02	3.10 mi	52:29	16:54	+0:41
Finish(26.22 mi)	6:34:50	15:04	1.37 mi	21:19	15:38	-1:16

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

12:14 /mi

Average Pace

15:04 /mi

Slowest Pace

16:54 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:01:12

46% of race

Time at Steady Pace

1:49:32

28% of race

Time at Slower Pace

1:44:06

26% of race

Average Pace: 15:04 /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	M45-49	Seg. Overall	Seg. Males	Seg. M45-49
5K	3.11 mi	50412	28462	3519	53354	29354	3614
10K	3.10 mi	51035-623	28708-246	3553-34	51336	28807	3560
15K	3.11 mi	52306-1271	29088-380	3582-29	53354	29354	3614
20K	3.11 mi	52375-69	29099-11	3584-2	52294	29030	3579
Half(13.11 mi)	0.68 mi	52314+61	29074+25	3581+3	50831	28425	3512
25K	2.42 mi	52356-42	29061+13	3586-5	52167	28875	3561
30K	3.11 mi	52480-124	29092-31	3588-2	52514	28930	3571
35K	3.11 mi	52444+36	29065+27	3586+2	51592	28466	3516
40K	3.10 mi	52478-34	29058+7	3587-1	51721	28431	3516
Finish(26.22 mi)	1.37 mi	52538-60	29069-11	3586+1	51787	28446	3524

28446

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