Rebecca Mengarelli

Marengo

Bib: 59907 F

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Gender (Female)

#0 / 24561

Masters (Masters Women)

#0 / 9409

Division (F45-49)

#0 / 2581

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

11:31/mi

35:46

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

13:49/mi

1:18:43

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

12:12/mi

1:56:38

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

12:50/mi

2:36:29

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

13:07/mi

2:45:26

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

13:09/mi

3:17:19

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

14:01/mi

4:00:51

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

14:05/mi

4:44:37

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

14:11/mi

5:28:41

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

13:38/mi

5:47:16

↑ 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

2:45:2612:37 /mi⚡ faster

2nd Half

3:01:5013:52 /mi+9.9%

Positive split — 9.9% slower in the second half

AI Race Performance Report

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	35:46	11:31	3.11 mi	35:46	11:31	-
10K	1:18:43	12:40	3.10 mi	42:57	13:49	+2:18
15K	1:56:38	12:31	3.11 mi	37:55	12:12	-1:37
20K	2:36:29	12:36	3.11 mi	39:51	12:50	+0:38
Half(13.11 mi)	2:45:26	12:37	0.68 mi	8:57	13:07	+0:17
25K	3:17:19	12:42	2.42 mi	31:53	13:09	+0:02
30K	4:00:51	12:55	3.11 mi	43:32	14:01	+0:52
35K	4:44:37	13:05	3.11 mi	43:46	14:05	+0:04
40K	5:28:41	13:13	3.10 mi	44:04	14:11	+0:06
Finish(26.22 mi)	5:47:16	13:15	1.37 mi	18:35	13:38	-0:33

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

11:31 /mi

Average Pace

13:15 /mi

Slowest Pace

14:11 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:34:22

44% of race

Time at Steady Pace

1:45:04

30% of race

Time at Slower Pace

1:27:50

25% of race

Average Pace: 13:15 /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	F45-49	Seg. Overall	Seg. Females	Seg. F45-49
5K	3.11 mi	47450	20031	2085	49017	21037	2163
10K	3.10 mi	50533-3083	21991-1960	2287-202	51887	22902	2368
15K	3.11 mi	50092+441	21730+261	2255+32	49017	21037	2163
20K	3.11 mi	49811+281	21561+169	2229+26	48919	21086	2175
Half(13.11 mi)	0.68 mi	49671+140	21466+95	2217+12	47654	20392	2082
25K	2.42 mi	49319+352	21281+185	2202+15	47368	20345	2105
30K	3.11 mi	49056+263	21173+108	2189+13	47520	20627	2129
35K	3.11 mi	48742+314	21055+118	2173+16	46124	20113	2063
40K	3.10 mi	48318+424	20875+180	2163+10	44279	19419	1996
Finish(26.22 mi)	1.37 mi	48308+10	20898-23	2165-2	47380	21090	2127

21090

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