Sam Brief

Chicago

Bib: 39221 M

0:00

0:00

/ mi

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Overall

#0 / 54109

Gender (Male)

#0 / 29548

Division (M25-29)

#0 / 4122

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

9:21/mi

29:03

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

9:44/mi

59:17

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

9:45/mi

1:29:34

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

10:01/mi

2:00:42

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

10:01/mi

2:07:32

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

9:51/mi

2:31:24

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

10:05/mi

3:02:44

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

10:22/mi

3:34:57

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

10:11/mi

4:06:34

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

10:31/mi

4:20:55

↑ 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

2:07:329:44 /mi⚡ faster

2nd Half

2:13:2310:10 /mi+4.6%

Positive split — 4.6% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	29:03	9:21	3.11 mi	29:03	9:21	-
10K	59:17	9:32	3.10 mi	30:14	9:44	+0:23
15K	1:29:34	9:37	3.11 mi	30:17	9:45	+0:01
20K	2:00:42	9:43	3.11 mi	31:08	10:01	+0:16
Half(13.11 mi)	2:07:32	9:44	0.68 mi	6:50	10:01	0:00
25K	2:31:24	9:45	2.42 mi	23:52	9:51	-0:10
30K	3:02:44	9:48	3.11 mi	31:20	10:05	+0:14
35K	3:34:57	9:53	3.11 mi	32:13	10:22	+0:17
40K	4:06:34	9:55	3.10 mi	31:37	10:11	-0:11
Finish(26.22 mi)	4:20:55	9:58	1.37 mi	14:21	10:31	+0:20

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:21 /mi

Average Pace

9:58 /mi

Slowest Pace

10:31 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:34:21

82% of race

Time at Steady Pace

46:34

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:57 /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	M25-29	Seg. Overall	Seg. Males	Seg. M25-29
5K	3.11 mi	29557	19737	2908	34579	22255	3323
10K	3.10 mi	31289-1732	20607-870	3062-154	32846	21353	3179
15K	3.11 mi	32343-1054	21163-556	3152-90	34579	22255	3323
20K	3.11 mi	32866-523	21432-269	3197-45	34724	22217	3329
Half(13.11 mi)	0.68 mi	32779+87	21367+65	3192+5	32182	20876	3133
25K	2.42 mi	32323+456	21092+275	3160+32	30949	20215	3025
30K	3.11 mi	31567+756	20592+500	3076+84	29436	19120	2860
35K	3.11 mi	30861+706	20088+504	3007+69	28513	18147	2694
40K	3.10 mi	29538+1323	19175+913	2865+142	23490	14978	2198
Finish(26.22 mi)	1.37 mi	29495+43	19094+81	2849+16	30492	18157	2758

18157

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