Mackenna Grelck

Lemont

Bib: 65121 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

13:21/mi

41:30

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

13:55/mi

1:24:45

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

13:01/mi

2:05:11

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

13:23/mi

2:46:46

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

14:20/mi

2:56:33

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

13:51/mi

3:30:07

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

14:25/mi

4:14:53

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

14:33/mi

5:00:04

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

15:15/mi

5:47:26

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

13:37/mi

6:06:00

↑ 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

2:56:3313:28 /mi⚡ faster

2nd Half

3:09:2714:27 /mi+7.3%

Positive split — 7.3% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	41:30	13:21	3.11 mi	41:30	13:21	-
10K	1:24:45	13:38	3.10 mi	43:15	13:55	+0:34
15K	2:05:11	13:26	3.11 mi	40:26	13:01	-0:54
20K	2:46:46	13:25	3.11 mi	41:35	13:23	+0:22
Half(13.11 mi)	2:56:33	13:28	0.68 mi	9:47	14:20	+0:57
25K	3:30:07	13:32	2.42 mi	33:34	13:51	-0:29
30K	4:14:53	13:40	3.11 mi	44:46	14:25	+0:34
35K	5:00:04	13:48	3.11 mi	45:11	14:33	+0:08
40K	5:47:26	13:59	3.10 mi	47:22	15:15	+0:42
Finish(26.22 mi)	6:06:00	13:58	1.37 mi	18:34	13:37	-1:38

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

13:01 /mi

Average Pace

13:58 /mi

Slowest Pace

15:15 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:38:54

60% of race

Time at Steady Pace

2:27:06

40% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 13:58 /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	52807	23599	5225	51143	22473	5036
10K	3.10 mi	52531+276	23380+219	5191+34	52060	23033	5122
15K	3.11 mi	52203+328	23152+228	5146+45	51143	22473	5036
20K	3.11 mi	51750+453	22854+298	5093+53	50225	21918	4926
Half(13.11 mi)	0.68 mi	51674+76	22812+42	5090+3	50408	22137	4971
25K	2.42 mi	51365+309	22623+189	5050+40	49159	21430	4814
30K	3.11 mi	51035+330	22436+187	5019+31	48573	21263	4792
35K	3.11 mi	50712+323	22275+161	5000+19	47530	20899	4740
40K	3.10 mi	50551+161	22209+66	4980+20	48028	21390	4783
Finish(26.22 mi)	1.37 mi	50446+105	22170+39	4976+4	47356	21083	4843

21083

Passing Analysis

No position changes recorded for this athlete.

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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