Mary Ann Zemla

Libertyville

Bib: 48135 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 (F65-69)

#0 / 188

Top 36%

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

10:12/mi

31:41

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

10:26/mi

1:04:05

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

10:18/mi

1:36:06

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

11:40/mi

2:12:21

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

11:30/mi

2:20:12

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

10:42/mi

2:46:08

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

12:03/mi

3:23:34

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

11:44/mi

4:00:02

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

12:35/mi

4:39:08

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

12:02/mi

4:55:33

↑ 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

2:20:1210:42 /mi⚡ faster

2nd Half

2:35:2111:51 /mi+10.8%

Positive split — 10.8% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	31:41	10:12	3.11 mi	31:41	10:12	-
10K	1:04:05	10:19	3.10 mi	32:24	10:26	+0:14
15K	1:36:06	10:19	3.11 mi	32:01	10:18	-0:08
20K	2:12:21	10:39	3.11 mi	36:15	11:40	+1:22
Half(13.11 mi)	2:20:12	10:42	0.68 mi	7:51	11:30	-0:10
25K	2:46:08	10:42	2.42 mi	25:56	10:42	-0:48
30K	3:23:34	10:55	3.11 mi	37:26	12:03	+1:21
35K	4:00:02	11:02	3.11 mi	36:28	11:44	-0:19
40K	4:39:08	11:14	3.10 mi	39:06	12:35	+0:51
Finish(26.22 mi)	4:55:33	11:17	1.37 mi	16:25	12:02	-0:33

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:12 /mi

Average Pace

11:17 /mi

Slowest Pace

12:35 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:02:02

41% of race

Time at Steady Pace

2:14:25

45% of race

Time at Slower Pace

39:06

13% of race

Average Pace: 11:16 /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	F65-69	Seg. Overall	Seg. Females	Seg. F65-69
5K	3.11 mi	37194	13761	47	39137	14882	58
10K	3.10 mi	37610-416	14013-252	52-5	38220	14363	62
15K	3.11 mi	38017-407	14201-188	51+1	39137	14882	58
20K	3.11 mi	40232-2215	15543-1342	72-21	45047	18597	99
Half(13.11 mi)	0.68 mi	40295-63	15598-55	73-1	41767	16795	81
25K	2.42 mi	39580+715	15257+341	67+6	36934	14111	54
30K	3.11 mi	39846-266	15577-320	69-2	40583	16584	85
35K	3.11 mi	39292+554	15427+150	70-1	36446	14740	62
40K	3.10 mi	39100+192	15509-82	67+3	37254	15749	76
Finish(26.22 mi)	1.37 mi	39237-137	15642-133	68-1	40593	17580	89

17580

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