Zachary Lassack

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Bib: 21116 M

0:00

0:00

/ mi

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Overall

#0 / 54109

Top 1%

Gender (Male)

#0 / 29548

Top 2%

Division (M25-29)

#0 / 4122

Top 4%

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

6:05/mi

18:53

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

5:58/mi

37:24

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

5:57/mi

55:54

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

6:00/mi

1:14:31

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

6:01/mi

1:18:37

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

5:59/mi

1:33:07

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

6:06/mi

1:52:04

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

6:13/mi

2:11:22

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

6:20/mi

2:31:03

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

6:13/mi

2:39:32

↑ 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

1:18:376:00 /mi⚡ faster

2nd Half

1:20:556:10 /mi+2.9%

Positive split — 2.9% 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	18:53	6:05	3.11 mi	18:53	6:05	-
10K	37:24	6:01	3.10 mi	18:31	5:58	-0:07
15K	55:54	6:00	3.11 mi	18:30	5:57	-0:01
20K	1:14:31	6:00	3.11 mi	18:37	6:00	+0:03
Half(13.11 mi)	1:18:37	6:00	0.68 mi	4:06	6:01	+0:01
25K	1:33:07	6:00	2.42 mi	14:30	5:59	-0:02
30K	1:52:04	6:01	3.11 mi	18:57	6:06	+0:07
35K	2:11:22	6:02	3.11 mi	19:18	6:13	+0:07
40K	2:31:03	6:05	3.10 mi	19:41	6:20	+0:07
Finish(26.22 mi)	2:39:32	6:05	1.37 mi	8:29	6:13	-0:07

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

5:57 /mi

Average Pace

6:05 /mi

Slowest Pace

6:20 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:19:51

88% of race

Time at Steady Pace

19:41

12% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:05 /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	Males	M25-29	Seg. Overall	Seg. Males	Seg. M25-29
5K	3.11 mi	976	926	260	789	759	222
10K	3.10 mi	800+176	766+160	221+39	655	633	181
15K	3.11 mi	791+9	754+12	219+2	789	759	222
20K	3.11 mi	781+10	749+5	218+1	718	692	210
Half(13.11 mi)	0.68 mi	772+9	742+7	217+1	691	662	199
25K	2.42 mi	737+35	709+33	206+11	685	657	194
30K	3.11 mi	728+9	699+10	203+3	754	719	202
35K	3.11 mi	708+20	678+21	197+6	762	725	210
40K	3.10 mi	683+25	653+25	186+11	777	729	199
Finish(26.22 mi)	1.37 mi	672+11	643+10	184+2	861	803	214

803

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