Randolph Johnston

Chicago

Bib: 52024 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 (M75-79)

#0 / 43

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

13:53/mi

43:08

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

14:08/mi

1:27:04

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

14:57/mi

2:13:31

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

14:07/mi

2:57:22

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

14:38/mi

3:07:21

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

14:29/mi

3:42:28

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

14:41/mi

4:28:05

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

15:03/mi

5:14:52

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

17:01/mi

6:07:44

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

14:19/mi

6:27:15

↑ 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

3:07:2114:17 /mi⚡ faster

2nd Half

3:19:5415:15 /mi+6.7%

Positive split — 6.7% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	43:08	13:53	3.11 mi	43:08	13:53	-
10K	1:27:04	14:01	3.10 mi	43:56	14:08	+0:15
15K	2:13:31	14:19	3.11 mi	46:27	14:57	+0:49
20K	2:57:22	14:16	3.11 mi	43:51	14:07	-0:50
Half(13.11 mi)	3:07:21	14:17	0.68 mi	9:59	14:38	+0:31
25K	3:42:28	14:19	2.42 mi	35:07	14:29	-0:09
30K	4:28:05	14:23	3.11 mi	45:37	14:41	+0:12
35K	5:14:52	14:29	3.11 mi	46:47	15:03	+0:22
40K	6:07:44	14:48	3.10 mi	52:52	17:01	+1:58
Finish(26.22 mi)	6:27:15	14:47	1.37 mi	19:31	14:19	-2:42

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

13:53 /mi

Average Pace

14:47 /mi

Slowest Pace

17:01 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:10:55

34% of race

Time at Steady Pace

3:23:28

53% of race

Time at Slower Pace

52:52

14% of race

Average Pace: 14:46 /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	M75-79	Seg. Overall	Seg. Males	Seg. M75-79
5K	3.11 mi	53378	29360	38	53472	29385	38
10K	3.10 mi	52981+397	29269+91	36+2	52340	29104	35
15K	3.11 mi	53234-253	29344-75	37-1	53472	29385	38
20K	3.11 mi	52943+291	29268+76	36+1	51580	28787	34
Half(13.11 mi)	0.68 mi	52866+77	29240+28	36	50832	28426	33
25K	2.42 mi	52654+212	29166+74	36	50453	28245	31
30K	3.11 mi	52287+367	29023+143	34+2	49261	27609	28
35K	3.11 mi	52058+229	28924+99	33+1	49048	27317	28
40K	3.10 mi	52173-115	28948-24	33	51917	28524	36
Finish(26.22 mi)	1.37 mi	52101+72	28905+43	33	49328	27228	24

27228

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