Nate Chang

Hoffman Est

Bib: 25752 M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Gender (Male)

#0 / 29548

Masters (Masters Men)

#0 / 14666

Division (M45-49)

#0 / 3637

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

10:44/mi

33:21

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

11:55/mi

1:10:23

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

10:54/mi

1:44:14

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

11:13/mi

2:19:04

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

12:20/mi

2:27:29

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

12:45/mi

2:58:23

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

14:32/mi

3:43:31

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

15:12/mi

4:30:45

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

15:34/mi

5:19:08

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

14:16/mi

5:38:36

↑ 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

2:27:2911:15 /mi⚡ faster

2nd Half

3:11:0714:35 /mi+29.6%

Positive split — 29.6% 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	33:21	10:44	3.11 mi	33:21	10:44	-
10K	1:10:23	11:20	3.10 mi	37:02	11:55	+1:11
15K	1:44:14	11:11	3.11 mi	33:51	10:54	-1:01
20K	2:19:04	11:11	3.11 mi	34:50	11:13	+0:19
Half(13.11 mi)	2:27:29	11:15	0.68 mi	8:25	12:20	+1:07
25K	2:58:23	11:29	2.42 mi	30:54	12:45	+0:25
30K	3:43:31	11:59	3.11 mi	45:08	14:32	+1:47
35K	4:30:45	12:27	3.11 mi	47:14	15:12	+0:40
40K	5:19:08	12:50	3.10 mi	48:23	15:34	+0:22
Finish(26.22 mi)	5:38:36	12:55	1.37 mi	19:28	14:16	-1:18

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:44 /mi

Average Pace

12:55 /mi

Slowest Pace

15:34 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:42:02

30% of race

Time at Steady Pace

1:16:21

23% of race

Time at Slower Pace

2:40:13

47% of race

Average Pace: 12:55 /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	M45-49	Seg. Overall	Seg. Males	Seg. M45-49
5K	3.11 mi	41900	25394	3151	43222	25886	3186
10K	3.10 mi	45167-3267	26627-1233	3294-143	46944	27277	3368
15K	3.11 mi	44410+757	26343+284	3245+49	43222	25886	3186
20K	3.11 mi	43893+517	26116+227	3209+36	42845	25605	3160
Half(13.11 mi)	0.68 mi	43963-70	26129-13	3219-10	45211	26305	3247
25K	2.42 mi	44559-596	26285-156	3241-22	46063	26559	3278
30K	3.11 mi	45672-1113	26635-350	3291-50	48871	27445	3392
35K	3.11 mi	46470-798	26805-170	3312-21	49407	27491	3391
40K	3.10 mi	46930-460	26887-82	3327-15	48944	27047	3360
Finish(26.22 mi)	1.37 mi	47116-186	26920-33	3332-5	49244	27187	3371

27187

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