Brian Mazurski

Westmont

Bib: 50771 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

11:02/mi

34:18

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

11:14/mi

1:09:11

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

10:41/mi

1:42:24

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

10:57/mi

2:16:24

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

11:05/mi

2:23:58

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

10:55/mi

2:50:26

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

11:11/mi

3:25:11

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

11:56/mi

4:02:17

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

13:31/mi

4:44:16

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

12:22/mi

5:01:08

↑ 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

2:23:5810:59 /mi⚡ faster

2nd Half

2:37:1011:59 /mi+9.2%

Positive split — 9.2% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	34:18	11:02	3.11 mi	34:18	11:02	-
10K	1:09:11	11:08	3.10 mi	34:53	11:14	+0:12
15K	1:42:24	10:59	3.11 mi	33:13	10:41	-0:33
20K	2:16:24	10:59	3.11 mi	34:00	10:57	+0:16
Half(13.11 mi)	2:23:58	10:59	0.68 mi	7:34	11:05	+0:08
25K	2:50:26	10:58	2.42 mi	26:28	10:55	-0:10
30K	3:25:11	11:00	3.11 mi	34:45	11:11	+0:16
35K	4:02:17	11:08	3.11 mi	37:06	11:56	+0:45
40K	4:44:16	11:26	3.10 mi	41:59	13:31	+1:35
Finish(26.22 mi)	5:01:08	11:30	1.37 mi	16:52	12:22	-1:09

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:41 /mi

Average Pace

11:30 /mi

Slowest Pace

13:31 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

33:13

11% of race

Time at Steady Pace

2:51:58

57% of race

Time at Slower Pace

1:35:57

32% of race

Average Pace: 11:29 /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	44287	26277	3261	41906	25379	3124
10K	3.10 mi	43901+386	26157+120	3228+33	43626	26007	3206
15K	3.11 mi	43155+746	25866+291	3184+44	41906	25379	3124
20K	3.11 mi	42550+605	25588+278	3152+32	41223	24966	3063
Half(13.11 mi)	0.68 mi	42321+229	25485+103	3139+13	39370	23990	2957
25K	2.42 mi	41531+790	25102+383	3086+53	38277	23424	2874
30K	3.11 mi	40455+1076	24518+584	3008+78	36270	22124	2732
35K	3.11 mi	39971+484	24164+354	2973+35	37512	22207	2744
40K	3.10 mi	40448-477	24162+2	2985-12	41541	23590	2934
Finish(26.22 mi)	1.37 mi	40614-166	24191-29	2986-1	42285	23815	2920

23815

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