Juan Contreras

Chicago

Bib: 57354 M

0:00

0:00

/ mi

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Overall

#0 / 54109

Gender (Male)

#0 / 29548

Division (M35-39)

#0 / 4653

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

11:13/mi

34:51

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

10:11/mi

1:06:29

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

9:57/mi

1:37:23

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

10:27/mi

2:09:51

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

10:57/mi

2:17:19

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

10:46/mi

2:43:26

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

10:50/mi

3:17:05

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

11:04/mi

3:51:28

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

11:52/mi

4:28:19

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

11:16/mi

4:43:41

↑ 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

2:17:1910:28 /mi⚡ faster

2nd Half

2:26:2211:10 /mi+6.6%

Positive split — 6.6% 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	34:51	11:13	3.11 mi	34:51	11:13	-
10K	1:06:29	10:42	3.10 mi	31:38	10:11	-1:02
15K	1:37:23	10:27	3.11 mi	30:54	9:57	-0:14
20K	2:09:51	10:27	3.11 mi	32:28	10:27	+0:30
Half(13.11 mi)	2:17:19	10:28	0.68 mi	7:28	10:57	+0:30
25K	2:43:26	10:31	2.42 mi	26:07	10:46	-0:11
30K	3:17:05	10:34	3.11 mi	33:39	10:50	+0:04
35K	3:51:28	10:39	3.11 mi	34:23	11:04	+0:14
40K	4:28:19	10:48	3.10 mi	36:51	11:52	+0:48
Finish(26.22 mi)	4:43:41	10:50	1.37 mi	15:22	11:16	-0:36

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:57 /mi

Average Pace

10:50 /mi

Slowest Pace

11:52 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:34:46

55% of race

Time at Steady Pace

1:32:04

32% of race

Time at Slower Pace

36:51

13% of race

Average Pace: 10:49 /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	M35-39	Seg. Overall	Seg. Males	Seg. M35-39
5K	3.11 mi	45619	26773	4282	36254	23010	3789
10K	3.10 mi	40717+4902	24918+1855	4026+256	36327	23014	3783
15K	3.11 mi	39105+1612	24292+626	3948+78	36254	23010	3789
20K	3.11 mi	38722+383	24090+202	3937+11	37964	23653	3881
Half(13.11 mi)	0.68 mi	38645+77	24036+54	3931+6	38478	23602	3892
25K	2.42 mi	38343+302	23816+220	3903+28	37373	23024	3796
30K	3.11 mi	37410+933	23278+538	3827+76	34206	21265	3546
35K	3.11 mi	36563+847	22697+581	3751+76	32752	19988	3352
40K	3.10 mi	36069+494	22258+439	3689+62	33478	19702	3306
Finish(26.22 mi)	1.37 mi	36048+21	22172+86	3679+10	35897	20732	3449

20732

Passing Analysis

No position changes recorded for this athlete.

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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