Karen Perez

Chicago

Bib: 71820 F

0:00

0:00

/ mi

Be the first to cheer!

Overall

#0 / 54109

Gender (Female)

#0 / 24561

Division (F25-29)

#0 / 5362

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

10:47/mi

33:31

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

10:35/mi

1:06:23

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

9:56/mi

1:37:16

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

10:18/mi

2:09:16

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

10:32/mi

2:16:27

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

10:03/mi

2:40:48

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

11:45/mi

3:17:17

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

10:52/mi

3:51:04

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

11:31/mi

4:26:52

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

11:14/mi

4:42:11

↑ 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

2:16:2710:24 /mi⚡ faster

2nd Half

2:25:4411:07 /mi+6.8%

Positive split — 6.8% slower in the second half

AI Race Performance Report

Karen's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

Free account · no payment

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	33:31	10:47	3.11 mi	33:31	10:47	-
10K	1:06:23	10:41	3.10 mi	32:52	10:35	-0:12
15K	1:37:16	10:26	3.11 mi	30:53	9:56	-0:39
20K	2:09:16	10:24	3.11 mi	32:00	10:18	+0:22
Half(13.11 mi)	2:16:27	10:24	0.68 mi	7:11	10:32	+0:14
25K	2:40:48	10:21	2.42 mi	24:21	10:03	-0:29
30K	3:17:17	10:35	3.11 mi	36:29	11:45	+1:42
35K	3:51:04	10:37	3.11 mi	33:47	10:52	-0:53
40K	4:26:52	10:44	3.10 mi	35:48	11:31	+0:39
Finish(26.22 mi)	4:42:11	10:46	1.37 mi	15:19	11:14	-0:17

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:56 /mi

Average Pace

10:46 /mi

Slowest Pace

11:45 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:14:35

69% of race

Time at Steady Pace

51:07

18% of race

Time at Slower Pace

36:29

13% of race

Average Pace: 10:46 /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	F25-29	Seg. Overall	Seg. Females	Seg. F25-29
5K	3.11 mi	42313	16763	3745	36233	13233	3010
10K	3.10 mi	40607+1706	15733+1030	3549+196	39342	15006	3407
15K	3.11 mi	39029+1578	14772+961	3340+209	36233	13233	3010
20K	3.11 mi	38355+674	14413+359	3258+82	36860	13673	3141
Half(13.11 mi)	0.68 mi	38165+190	14325+88	3241+17	35944	13374	3100
25K	2.42 mi	37109+1056	13814+511	3138+103	32505	11579	2664
30K	3.11 mi	37476-367	14165-351	3219-81	39198	15803	3658
35K	3.11 mi	36414+1062	13783+382	3158+61	31590	12082	2820
40K	3.10 mi	35644+770	13582+201	3112+46	31596	12782	3005
Finish(26.22 mi)	1.37 mi	35619+25	13643-61	3139-27	35689	15057	3628

15057

Passing Analysis

No position changes recorded for this athlete.

More below

See the rest of Karen's race

Checkpoint splits, rankings, passing analysis and qualifying. One free sign-in reveals them here — and on every race you look up.

All Results

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Chicago Event Management

Race timed by

Mika Timing