Stacy Shaffer

Crystal Lake

Bib: 59020 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 (F55-59)

#0 / 1120

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

13:32/mi

42:03

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

15:17/mi

1:29:31

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

16:50/mi

2:21:49

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

18:17/mi

3:18:38

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

18:17/mi

3:31:06

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

18:17/mi

4:15:27

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

18:17/mi

5:12:16

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

18:17/mi

6:09:05

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

18:17/mi

7:05:53

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

18:17/mi

7:30:50

↑ 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

3:31:0616:06 /mi⚡ faster

2nd Half

3:59:4418:17 /mi+13.6%

Positive split — 13.6% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	42:03	13:32	3.11 mi	42:03	13:32	-
10K	1:29:31	14:24	3.10 mi	47:28	15:17	+1:45
15K	2:21:49	15:13	3.11 mi	52:18	16:50	+1:33
20K	3:18:38	15:59	3.11 mi	56:49	18:17	+1:27
Half(13.11 mi)	3:31:06	16:06	0.68 mi	12:29	18:17	0:00
25K	4:15:27	16:27	2.42 mi	44:20	18:17	0:00
30K	5:12:16	16:45	3.11 mi	56:49	18:17	0:00
35K	6:09:05	16:58	3.11 mi	56:49	18:17	0:00
40K	7:05:53	17:08	3.10 mi	56:49	18:17	0:00
Finish(26.22 mi)	7:30:50	17:12	1.37 mi	24:57	18:17	0:00

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

13:32 /mi

Average Pace

17:12 /mi

Slowest Pace

18:17 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:21:49

31% of race

Time at Steady Pace

5:09:01

69% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 17:12 /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	F55-59	Seg. Overall	Seg. Females	Seg. F55-59
5K	3.11 mi	53062	23789	1066	53964	24451	1108
10K	3.10 mi	53332-270	23965-176	1081-15	53420	24026	1090
15K	3.11 mi	53786-454	24316-351	1100-19	53964	24451	1108
20K	3.11 mi	53884-98	24391-75	1103-3	53931	24429	1104
Half(13.11 mi)	0.68 mi	53888-4	24391	1103	53575	24200	1091
25K	2.42 mi	53891-3	24394-3	1103	53743	24322	1095
30K	3.11 mi	53886+5	24395-1	1100+3	53548	24210	1093
35K	3.11 mi	53866+20	24384+11	1101-1	53456	24150	1086
40K	3.10 mi	53840+26	24369+15	1100+1	53123	24028	1085
Finish(26.22 mi)	1.37 mi	53833+7	24365+4	1100	53481	24203	1093

24203

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