Brian Rzepnicki

Chicago

Bib: 52099 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

10:05/mi

31:19

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

10:09/mi

1:02:52

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

10:29/mi

1:35:25

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

10:18/mi

2:07:24

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

10:46/mi

2:14:45

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

10:28/mi

2:40:08

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

10:56/mi

3:14:05

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

12:26/mi

3:52:43

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

12:27/mi

4:31:24

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

12:15/mi

4:48:06

↑ 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

2:14:4510:17 /mi⚡ faster

2nd Half

2:33:2111:42 /mi+13.8%

Positive split — 13.8% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	31:19	10:05	3.11 mi	31:19	10:05	-
10K	1:02:52	10:07	3.10 mi	31:33	10:09	+0:04
15K	1:35:25	10:14	3.11 mi	32:33	10:29	+0:20
20K	2:07:24	10:15	3.11 mi	31:59	10:18	-0:11
Half(13.11 mi)	2:14:45	10:17	0.68 mi	7:21	10:46	+0:28
25K	2:40:08	10:19	2.42 mi	25:23	10:28	-0:18
30K	3:14:05	10:25	3.11 mi	33:57	10:56	+0:28
35K	3:52:43	10:42	3.11 mi	38:38	12:26	+1:30
40K	4:31:24	10:55	3.10 mi	38:41	12:27	+0:01
Finish(26.22 mi)	4:48:06	11:00	1.37 mi	16:42	12:15	-0:12

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:05 /mi

Average Pace

11:00 /mi

Slowest Pace

12:27 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:34:51

33% of race

Time at Steady Pace

1:39:14

34% of race

Time at Slower Pace

1:34:01

33% of race

Average Pace: 10:59 /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	36216	23000	2848	40343	24752	3034
10K	3.10 mi	36041+175	22910+90	2834+14	36109	22918	2839
15K	3.11 mi	37456-1415	23565-655	2912-78	40343	24752	3034
20K	3.11 mi	37210+246	23423+142	2889+23	36795	23156	2846
Half(13.11 mi)	0.68 mi	37221-11	23421+2	2885+4	37403	23190	2848
25K	2.42 mi	36771+450	23145+276	2853+32	35436	22200	2723
30K	3.11 mi	36252+519	22767+378	2810+43	34779	21518	2658
35K	3.11 mi	36979-727	22871-104	2821-11	39879	23236	2870
40K	3.10 mi	36920+59	22637+234	2797+24	36593	21172	2626
Finish(26.22 mi)	1.37 mi	37224-304	22710-73	2798-1	41653	23510	2882

23510

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