Mary Brenna Cheney

Chicago

Bib: 57349 F

0:00

0:00

/ mi

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Overall

#0 / 54109

Gender (Female)

#0 / 24561

Division (F20-24)

#0 / 2002

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

9:45/mi

30:19

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

9:40/mi

1:00:20

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

9:20/mi

1:29:19

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

9:35/mi

1:59:06

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

11:14/mi

2:06:46

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

10:05/mi

2:31:12

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

10:40/mi

3:04:20

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

11:24/mi

3:39:46

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

15:21/mi

4:27:26

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

14:12/mi

4:46:48

↑ 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

2:06:469:40 /mi⚡ faster

2nd Half

2:40:0212:12 /mi+26.2%

Positive split — 26.2% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	30:19	9:45	3.11 mi	30:19	9:45	-
10K	1:00:20	9:43	3.10 mi	30:01	9:40	-0:05
15K	1:29:19	9:35	3.11 mi	28:59	9:20	-0:20
20K	1:59:06	9:35	3.11 mi	29:47	9:35	+0:15
Half(13.11 mi)	2:06:46	9:40	0.68 mi	7:40	11:14	+1:39
25K	2:31:12	9:44	2.42 mi	24:26	10:05	-1:09
30K	3:04:20	9:53	3.11 mi	33:08	10:40	+0:35
35K	3:39:46	10:06	3.11 mi	35:26	11:24	+0:44
40K	4:27:26	10:46	3.10 mi	47:40	15:21	+3:57
Finish(26.22 mi)	4:46:48	10:57	1.37 mi	19:22	14:12	-1:09

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:20 /mi

Average Pace

10:57 /mi

Slowest Pace

15:21 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:28:47

31% of race

Time at Steady Pace

2:10:59

46% of race

Time at Slower Pace

1:07:02

23% of race

Average Pace: 10:56 /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	Females	F20-24	Seg. Overall	Seg. Females	Seg. F20-24
5K	3.11 mi	33476	11789	939	31006	10445	850
10K	3.10 mi	32766+710	11406+383	905+34	32347	11242	904
15K	3.11 mi	32099+667	11036+370	877+28	31006	10445	850
20K	3.11 mi	31826+273	10911+125	873+4	31235	10622	882
Half(13.11 mi)	0.68 mi	32301-475	11149-238	892-19	40289	15890	1388
25K	2.42 mi	32232+69	11182-33	904-12	32739	11717	978
30K	3.11 mi	32238-6	11333-151	919-15	33195	12367	1017
35K	3.11 mi	32588-350	11709-376	958-39	34674	13777	1172
40K	3.10 mi	35811-3223	13678-1969	1143-185	48316	21548	1783
Finish(26.22 mi)	1.37 mi	36862-1051	14321-643	1222-79	49042	21948	1845

21948

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