Emily O'Brien

Chicago

Bib: 63669 F

0:00

0:00

/ mi

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Overall

#0 / 54109

Gender (Female)

#0 / 24561

Top 49%

Division (F30-34)

#0 / 4161

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

9:34/mi

29:43

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

9:33/mi

59:24

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

9:34/mi

1:29:06

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

9:49/mi

1:59:37

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

10:05/mi

2:06:30

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

10:06/mi

2:31:00

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

11:02/mi

3:05:17

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

11:17/mi

3:40:19

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

12:03/mi

4:17:45

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

9:48/mi

4:31:07

↑ 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

2:06:309:39 /mi⚡ faster

2nd Half

2:24:3711:02 /mi+14.3%

Positive split — 14.3% slower in the second half

AI Race Performance Report

Emily's race, broken down like a coach

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	29:43	9:34	3.11 mi	29:43	9:34	-
10K	59:24	9:34	3.10 mi	29:41	9:33	-0:01
15K	1:29:06	9:34	3.11 mi	29:42	9:34	+0:01
20K	1:59:37	9:38	3.11 mi	30:31	9:49	+0:15
Half(13.11 mi)	2:06:30	9:39	0.68 mi	6:53	10:05	+0:16
25K	2:31:00	9:43	2.42 mi	24:30	10:06	+0:01
30K	3:05:17	9:56	3.11 mi	34:17	11:02	+0:56
35K	3:40:19	10:08	3.11 mi	35:02	11:17	+0:15
40K	4:17:45	10:22	3.10 mi	37:26	12:03	+0:46
Finish(26.22 mi)	4:31:07	10:21	1.37 mi	13:22	9:48	-2:15

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:33 /mi

Average Pace

10:21 /mi

Slowest Pace

12:03 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:29:06

33% of race

Time at Steady Pace

1:15:16

28% of race

Time at Slower Pace

1:46:45

39% of race

Average Pace: 10:20 /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	F30-34	Seg. Overall	Seg. Females	Seg. F30-34
5K	3.11 mi	31759	10906	1967	33028	11495	2061
10K	3.10 mi	31481+278	10770+136	1950+17	31421	10761	1953
15K	3.11 mi	31903-422	10936-166	1980-30	33028	11495	2061
20K	3.11 mi	32156-253	11082-146	2002-22	33087	11610	2077
Half(13.11 mi)	0.68 mi	32126+30	11072+10	1999+3	32865	11666	2101
25K	2.42 mi	32128-2	11126-54	1996+3	32931	11815	2108
30K	3.11 mi	32655-527	11551-425	2055-59	35402	13641	2456
35K	3.11 mi	32783-128	11812-261	2104-49	33974	13422	2405
40K	3.10 mi	33018-235	12172-360	2180-76	34521	14330	2539
Finish(26.22 mi)	1.37 mi	32544+474	11986+186	2152+28	24838	9393	1795

9393

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