Grace Buczak

Chicago

Bib: 66529 F

0:00

0:00

/ mi

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Overall

#0 / 54109

Gender (Female)

#0 / 24561

Division (F25-29)

#0 / 5362

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

10:50/mi

33:40

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

10:54/mi

1:07:32

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

10:53/mi

1:41:22

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

11:05/mi

2:15:49

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

11:05/mi

2:23:23

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

11:48/mi

2:52:00

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

12:35/mi

3:31:07

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

12:34/mi

4:10:09

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

12:27/mi

4:48:51

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

10:58/mi

5:03:48

↑ 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

2:23:2310:56 /mi⚡ faster

2nd Half

2:40:2512:14 /mi+11.9%

Positive split — 11.9% 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	33:40	10:50	3.11 mi	33:40	10:50	-
10K	1:07:32	10:52	3.10 mi	33:52	10:54	+0:04
15K	1:41:22	10:53	3.11 mi	33:50	10:53	-0:01
20K	2:15:49	10:56	3.11 mi	34:27	11:05	+0:12
Half(13.11 mi)	2:23:23	10:56	0.68 mi	7:34	11:05	0:00
25K	2:52:00	11:04	2.42 mi	28:37	11:48	+0:43
30K	3:31:07	11:20	3.11 mi	39:07	12:35	+0:47
35K	4:10:09	11:30	3.11 mi	39:02	12:34	-0:01
40K	4:48:51	11:37	3.10 mi	38:42	12:27	-0:07
Finish(26.22 mi)	5:03:48	11:36	1.37 mi	14:57	10:58	-1:29

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

10:50 /mi

Average Pace

11:36 /mi

Slowest Pace

12:35 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:06:57

62% of race

Time at Steady Pace

1:56:51

38% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:35 /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	F25-29	Seg. Overall	Seg. Females	Seg. F25-29
5K	3.11 mi	42766	17046	3810	43197	17324	3954
10K	3.10 mi	41958+808	16556+490	3727+83	41517	16337	3710
15K	3.11 mi	42298-340	16771-215	3805-78	43197	17324	3954
20K	3.11 mi	42223+75	16769+2	3826-21	42128	16815	3859
Half(13.11 mi)	0.68 mi	42015+208	16659+110	3817+9	39324	15380	3605
25K	2.42 mi	42189-174	16822-163	3856-39	42716	17478	4031
30K	3.11 mi	42423-234	17130-308	3931-75	42794	17884	4120
35K	3.11 mi	42147+276	17098+32	3929+2	40483	16969	3921
40K	3.10 mi	41440+707	16856+242	3882+47	36640	15450	3579
Finish(26.22 mi)	1.37 mi	41133+307	16729+127	3860+22	33834	14109	3406

14109

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