David Zaleski

Chicago

Bib: 39793 M

0:00

0:00

/ mi

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Overall

#0 / 54109

Gender (Male)

#0 / 29548

Division (M25-29)

#0 / 4122

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

9:05/mi

28:14

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

9:15/mi

56:58

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

9:43/mi

1:27:09

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

9:28/mi

1:56:35

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

9:48/mi

2:03:16

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

10:24/mi

2:28:30

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

11:57/mi

3:05:38

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

13:24/mi

3:47:16

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

11:52/mi

4:24:08

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

10:14/mi

4:38:06

↑ 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

2:03:169:24 /mi⚡ faster

2nd Half

2:34:5011:49 /mi+25.6%

Positive split — 25.6% 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	28:14	9:05	3.11 mi	28:14	9:05	-
10K	56:58	9:10	3.10 mi	28:44	9:15	+0:10
15K	1:27:09	9:21	3.11 mi	30:11	9:43	+0:28
20K	1:56:35	9:23	3.11 mi	29:26	9:28	-0:15
Half(13.11 mi)	2:03:16	9:24	0.68 mi	6:41	9:48	+0:20
25K	2:28:30	9:34	2.42 mi	25:14	10:24	+0:36
30K	3:05:38	9:57	3.11 mi	37:08	11:57	+1:33
35K	3:47:16	10:27	3.11 mi	41:38	13:24	+1:27
40K	4:24:08	10:38	3.10 mi	36:52	11:52	-1:32
Finish(26.22 mi)	4:38:06	10:37	1.37 mi	13:58	10:14	-1:38

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:05 /mi

Average Pace

10:37 /mi

Slowest Pace

13:24 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:26:24

31% of race

Time at Steady Pace

1:16:04

27% of race

Time at Slower Pace

1:55:38

42% of race

Average Pace: 10:36 /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	26634	18160	2666	34324	22145	3307
10K	3.10 mi	27450-816	18631-471	2768-102	28467	19167	2904
15K	3.11 mi	30037-2587	20013-1382	2999-231	34324	22145	3307
20K	3.11 mi	30024+13	20015-2	3013-14	30301	20145	3038
Half(13.11 mi)	0.68 mi	30017+7	20012+3	3012+1	30562	20133	3040
25K	2.42 mi	30861-844	20351-339	3056-44	35014	22014	3270
30K	3.11 mi	32805-1944	21178-827	3165-109	40168	23824	3482
35K	3.11 mi	35147-2342	22078-900	3275-110	43775	24959	3611
40K	3.10 mi	34848+299	21716+362	3222+53	33506	19714	2870
Finish(26.22 mi)	1.37 mi	34506+342	21474+242	3196+26	28306	17168	2618

17168

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