Jonathan Robson

Naperville

Bib: 42867 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 (M50-54)

#0 / 2876

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

10:03/mi

31:13

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

10:17/mi

1:03:10

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

9:45/mi

1:33:29

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

9:54/mi

2:04:13

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

10:57/mi

2:11:41

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

9:56/mi

2:35:45

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

10:04/mi

3:07:03

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

9:47/mi

3:37:28

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

9:43/mi

4:07:38

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

8:36/mi

4:19:22

↑ 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

2:11:4110:03 /mi+3.0%

2nd Half

2:07:419:44 /mi✓ faster

Negative split — 3.0% faster in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	31:13	10:03	3.11 mi	31:13	10:03	-
10K	1:03:10	10:10	3.10 mi	31:57	10:17	+0:14
15K	1:33:29	10:02	3.11 mi	30:19	9:45	-0:32
20K	2:04:13	10:00	3.11 mi	30:44	9:54	+0:09
Half(13.11 mi)	2:11:41	10:03	0.68 mi	7:28	10:57	+1:03
25K	2:35:45	10:02	2.42 mi	24:04	9:56	-1:01
30K	3:07:03	10:02	3.11 mi	31:18	10:04	+0:08
35K	3:37:28	10:00	3.11 mi	30:25	9:47	-0:17
40K	4:07:38	9:58	3.10 mi	30:10	9:43	-0:04
Finish(26.22 mi)	4:19:22	9:54	1.37 mi	11:44	8:36	-1:07

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:36 /mi

Average Pace

9:54 /mi

Slowest Pace

10:57 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

11:44

5% of race

Time at Steady Pace

3:28:13

80% of race

Time at Slower Pace

39:25

15% of race

Average Pace: 9:54 /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	M50-54	Seg. Overall	Seg. Males	Seg. M50-54
5K	3.11 mi	35926	22861	2155	34676	22304	2070
10K	3.10 mi	36409-483	23069-208	2160-5	37092	23359	2181
15K	3.11 mi	35819+590	22819+250	2133+27	34676	22304	2070
20K	3.11 mi	35191+628	22512+307	2101+32	33614	21704	1998
Half(13.11 mi)	0.68 mi	35373-182	22597-85	2110-9	38467	23591	2195
25K	2.42 mi	34598+775	22137+460	2056+54	31585	20487	1880
30K	3.11 mi	33393+1205	21442+695	1985+71	29359	19078	1733
35K	3.11 mi	31773+1620	20502+940	1893+92	24749	16294	1466
40K	3.10 mi	29851+1922	19332+1170	1763+130	20580	13460	1189
Finish(26.22 mi)	1.37 mi	29063+788	18863+469	1711+52	14740	10115	819

10115

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