Gregory Johnston

Naperville

Bib: 47764 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 (M40-44)

#0 / 4329

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

8:39/mi

26:51

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

8:34/mi

53:29

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

8:28/mi

1:19:46

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

9:11/mi

1:48:19

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

9:40/mi

1:54:55

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

9:20/mi

2:17:32

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

11:23/mi

2:52:53

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

12:06/mi

3:30:28

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

13:40/mi

4:12:56

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

14:18/mi

4:32:26

↑ 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

1:54:558:46 /mi⚡ faster

2nd Half

2:37:3112:01 /mi+37.1%

Positive split — 37.1% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	26:51	8:39	3.11 mi	26:51	8:39	-
10K	53:29	8:36	3.10 mi	26:38	8:34	-0:05
15K	1:19:46	8:33	3.11 mi	26:17	8:28	-0:06
20K	1:48:19	8:43	3.11 mi	28:33	9:11	+0:43
Half(13.11 mi)	1:54:55	8:46	0.68 mi	6:36	9:40	+0:29
25K	2:17:32	8:51	2.42 mi	22:37	9:20	-0:20
30K	2:52:53	9:16	3.11 mi	35:21	11:23	+2:03
35K	3:30:28	9:41	3.11 mi	37:35	12:06	+0:43
40K	4:12:56	10:11	3.10 mi	42:28	13:40	+1:34
Finish(26.22 mi)	4:32:26	10:24	1.37 mi	19:30	14:18	+0:38

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:28 /mi

Average Pace

10:24 /mi

Slowest Pace

14:18 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

52:55

19% of race

Time at Steady Pace

1:24:37

31% of race

Time at Slower Pace

2:14:54

50% of race

Average Pace: 10:23 /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	M40-44	Seg. Overall	Seg. Males	Seg. M40-44
5K	3.11 mi	21217	15142	2339	21080	15151	2341
10K	3.10 mi	20902+315	14938+204	2324+15	20684	14837	2313
15K	3.11 mi	20938-36	15011-73	2332-8	21080	15151	2341
20K	3.11 mi	22448-1510	15897-886	2452-120	27645	18828	2878
Half(13.11 mi)	0.68 mi	22845-397	16118-221	2483-31	29632	19686	2973
25K	2.42 mi	23467-622	16455-337	2538-55	27232	18371	2807
30K	3.11 mi	27253-3786	18434-1979	2825-287	37372	22592	3378
35K	3.11 mi	29280-2027	19296-862	2949-124	38283	22520	3389
40K	3.10 mi	31474-2194	20114-818	3040-91	42216	23906	3576
Finish(26.22 mi)	1.37 mi	32948-1474	20748-634	3134-94	49300	27215	4015

27215

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