Mark Johnson

Nelson

Bib: 6742 M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Top 20%

Gender (Male)

#0 / 29548

Top 28%

Masters (Masters Men)

#0 / 14666

Top 23%

Division (M55-59)

#0 / 1888

Top 15%

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

7:08/mi

22:10

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

7:07/mi

44:16

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

7:09/mi

1:06:29

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

7:15/mi

1:29:00

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

7:18/mi

1:33:59

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

7:22/mi

1:51:50

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

7:44/mi

2:15:51

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

8:28/mi

2:42:08

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

9:29/mi

3:11:35

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

9:41/mi

3:24:47

↑ 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

1:33:597:10 /mi⚡ faster

2nd Half

1:50:488:27 /mi+17.9%

Positive split — 17.9% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	22:10	7:08	3.11 mi	22:10	7:08	-
10K	44:16	7:07	3.10 mi	22:06	7:07	-0:01
15K	1:06:29	7:08	3.11 mi	22:13	7:09	+0:02
20K	1:29:00	7:10	3.11 mi	22:31	7:15	+0:06
Half(13.11 mi)	1:33:59	7:10	0.68 mi	4:59	7:18	+0:03
25K	1:51:50	7:12	2.42 mi	17:51	7:22	+0:04
30K	2:15:51	7:17	3.11 mi	24:01	7:44	+0:22
35K	2:42:08	7:27	3.11 mi	26:17	8:28	+0:44
40K	3:11:35	7:42	3.10 mi	29:27	9:29	+1:01
Finish(26.22 mi)	3:24:47	7:49	1.37 mi	13:12	9:41	+0:12

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:07 /mi

Average Pace

7:49 /mi

Slowest Pace

9:41 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:15:51

66% of race

Time at Slower Pace

1:08:56

34% of race

Average Pace: 7:49 /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	7518	6451	123	7785	6682	131
10K	3.10 mi	7172+346	6207+244	110+13	6989	6070	105
15K	3.11 mi	7337-165	6328-121	115-5	7785	6682	131
20K	3.11 mi	7364-27	6349-21	117-2	7678	6583	132
Half(13.11 mi)	0.68 mi	7350+14	6342+7	116+1	7502	6451	125
25K	2.42 mi	7406-56	6383-41	117-1	8275	6943	162
30K	3.11 mi	7712-306	6562-179	134-17	9906	7918	261
35K	3.11 mi	8500-788	7050-488	170-36	14050	10322	441
40K	3.10 mi	9802-1302	7811-761	258-88	18952	12595	616
Finish(26.22 mi)	1.37 mi	10527-725	8249-438	291-33	23818	14910	728

14910

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