Margaret Rivera

Marengo

Bib: 50746 F

0:00

0:00

/ mi

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Overall

#0 / 54109

Gender (Female)

#0 / 24561

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

9:54/mi

30:44

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

10:55/mi

1:04:38

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

10:04/mi

1:35:56

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

10:42/mi

2:09:11

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

11:24/mi

2:16:58

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

11:51/mi

2:45:43

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

12:05/mi

3:23:14

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

13:10/mi

4:04:08

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

13:48/mi

4:47:02

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

11:52/mi

5:03:13

↑ 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

2:16:5810:27 /mi⚡ faster

2nd Half

2:46:1512:41 /mi+21.4%

Positive split — 21.4% slower in the second half

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Margaret'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	30:44	9:54	3.11 mi	30:44	9:54	-
10K	1:04:38	10:24	3.10 mi	33:54	10:55	+1:01
15K	1:35:56	10:18	3.11 mi	31:18	10:04	-0:51
20K	2:09:11	10:24	3.11 mi	33:15	10:42	+0:38
Half(13.11 mi)	2:16:58	10:27	0.68 mi	7:47	11:24	+0:42
25K	2:45:43	10:40	2.42 mi	28:45	11:51	+0:27
30K	3:23:14	10:54	3.11 mi	37:31	12:05	+0:14
35K	4:04:08	11:14	3.11 mi	40:54	13:10	+1:05
40K	4:47:02	11:33	3.10 mi	42:54	13:48	+0:38
Finish(26.22 mi)	5:03:13	11:34	1.37 mi	16:11	11:52	-1:56

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:54 /mi

Average Pace

11:34 /mi

Slowest Pace

13:48 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:09:11

43% of race

Time at Steady Pace

1:30:14

30% of race

Time at Slower Pace

1:23:48

28% of race

Average Pace: 11:34 /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	34607	12370	2201	37400	13854	2453
10K	3.10 mi	38259-3652	14366-1996	2510-309	41583	16379	2864
15K	3.11 mi	37902+357	14133+233	2473+37	37400	13854	2453
20K	3.11 mi	38311-409	14382-249	2523-50	39688	15323	2710
Half(13.11 mi)	0.68 mi	38457-146	14498-116	2552-29	41298	16519	2908
25K	2.42 mi	39392-935	15151-653	2664-112	42950	17609	3059
30K	3.11 mi	39715-323	15503-352	2725-61	40720	16659	2909
35K	3.11 mi	40537-822	16152-649	2826-101	42888	18287	3177
40K	3.10 mi	41066-529	16643-491	2913-87	42793	18626	3203
Finish(26.22 mi)	1.37 mi	41025+41	16663-20	2919-6	39630	17099	3025

17099

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