Ethan Lengfeld

Chicago

Bib: 25624 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

9:25/mi

29:14

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

9:51/mi

59:51

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

9:26/mi

1:29:10

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

9:46/mi

1:59:32

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

9:20/mi

2:05:54

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

9:39/mi

2:29:19

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

9:45/mi

2:59:35

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

9:48/mi

3:30:02

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

10:01/mi

4:01:08

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

9:29/mi

4:14:04

↑ 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

2:05:549:36 /mi⚡ faster

2nd Half

2:08:109:47 /mi+1.8%

Positive split — 1.8% slower in the second half

AI Race Performance Report

Ethan's race, broken down like a coach

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	29:14	9:25	3.11 mi	29:14	9:25	-
10K	59:51	9:38	3.10 mi	30:37	9:51	+0:26
15K	1:29:10	9:34	3.11 mi	29:19	9:26	-0:25
20K	1:59:32	9:37	3.11 mi	30:22	9:46	+0:20
Half(13.11 mi)	2:05:54	9:36	0.68 mi	6:22	9:20	-0:26
25K	2:29:19	9:37	2.42 mi	23:25	9:39	+0:19
30K	2:59:35	9:38	3.11 mi	30:16	9:45	+0:06
35K	3:30:02	9:39	3.11 mi	30:27	9:48	+0:03
40K	4:01:08	9:42	3.10 mi	31:06	10:01	+0:13
Finish(26.22 mi)	4:14:04	9:42	1.37 mi	12:56	9:29	-0:32

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:20 /mi

Average Pace

9:42 /mi

Slowest Pace

10:01 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:41:54

64% of race

Time at Steady Pace

1:32:10

36% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:41 /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	30176	20047	2954	31907	21000	3153
10K	3.10 mi	32047-1871	20992-945	3117-163	33827	21824	3251
15K	3.11 mi	31949+98	20991+1	3126-9	31907	21000	3153
20K	3.11 mi	32095-146	21050-59	3148-22	32655	21274	3202
Half(13.11 mi)	0.68 mi	31767+328	20879+171	3124+24	26869	18261	2752
25K	2.42 mi	31263+504	20560+319	3085+39	29618	19570	2944
30K	3.11 mi	30323+940	19990+570	2990+95	27117	17966	2693
35K	3.11 mi	29126+1197	19219+771	2878+112	24816	16327	2447
40K	3.10 mi	27793+1333	18312+907	2734+144	22430	14408	2107
Finish(26.22 mi)	1.37 mi	27405+388	18031+281	2689+45	22285	14119	2171

14119

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