Robert Mackey

Parker

Bib: 38115 M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Top 41%

Gender (Male)

#0 / 29548

Masters (Masters Men)

#0 / 14666

Top 47%

Division (M55-59)

#0 / 1888

Top 40%

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

8:55/mi

27:41

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

9:03/mi

55:47

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

9:02/mi

1:23:50

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

9:12/mi

1:52:25

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

9:17/mi

1:58:45

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

9:09/mi

2:20:57

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

9:17/mi

2:49:47

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

9:02/mi

3:17:50

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

9:00/mi

3:45:48

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

8:52/mi

3:57:53

↑ 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

1:58:459:03 /mi⚖️ balanced

2nd Half

1:59:089:05 /mi⚖️ balanced

Even split — consistent pacing between halves

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	27:41	8:55	3.11 mi	27:41	8:55	-
10K	55:47	8:59	3.10 mi	28:06	9:03	+0:08
15K	1:23:50	9:00	3.11 mi	28:03	9:02	-0:01
20K	1:52:25	9:03	3.11 mi	28:35	9:12	+0:10
Half(13.11 mi)	1:58:45	9:03	0.68 mi	6:20	9:17	+0:05
25K	2:20:57	9:04	2.42 mi	22:12	9:09	-0:08
30K	2:49:47	9:06	3.11 mi	28:50	9:17	+0:08
35K	3:17:50	9:06	3.11 mi	28:03	9:02	-0:15
40K	3:45:48	9:05	3.10 mi	27:58	9:00	-0:02
Finish(26.22 mi)	3:57:53	9:05	1.37 mi	12:05	8:52	-0:08

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:52 /mi

Average Pace

9:05 /mi

Slowest Pace

9:17 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:57:53

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:04 /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	M55-59	Seg. Overall	Seg. Males	Seg. M55-59
5K	3.11 mi	24384	16944	878	27970	19012	985
10K	3.10 mi	25084-700	17340-396	892-14	25978	17825	917
15K	3.11 mi	25892-808	17812-472	911-19	27970	19012	985
20K	3.11 mi	26279-387	18051-239	919-8	27724	18855	978
Half(13.11 mi)	0.68 mi	26241+38	18021+30	917+2	26380	17983	918
25K	2.42 mi	26031+210	17874+147	917	25582	17473	896
30K	3.11 mi	25436+595	17435+439	890+27	23721	16151	813
35K	3.11 mi	24132+1304	16567+868	837+53	18918	13132	624
40K	3.10 mi	22558+1574	15493+1074	772+65	15337	10606	499
Finish(26.22 mi)	1.37 mi	22214+344	15237+256	759+13	16997	11348	516

11348

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