Jonathan Laman

Bolingbrook

Bib: 31978 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

8:18/mi

25:47

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

8:40/mi

52:43

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

8:36/mi

1:19:26

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

9:01/mi

1:47:27

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

9:32/mi

1:53:57

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

9:20/mi

2:16:34

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

11:33/mi

2:52:27

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

11:07/mi

3:27:00

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

12:55/mi

4:07:07

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

11:26/mi

4:22:43

↑ 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

1:53:578:42 /mi⚡ faster

2nd Half

2:28:4611:21 /mi+30.6%

Positive split — 30.6% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	25:47	8:18	3.11 mi	25:47	8:18	-
10K	52:43	8:29	3.10 mi	26:56	8:40	+0:22
15K	1:19:26	8:31	3.11 mi	26:43	8:36	-0:04
20K	1:47:27	8:39	3.11 mi	28:01	9:01	+0:25
Half(13.11 mi)	1:53:57	8:42	0.68 mi	6:30	9:32	+0:31
25K	2:16:34	8:47	2.42 mi	22:37	9:20	-0:12
30K	2:52:27	9:15	3.11 mi	35:53	11:33	+2:13
35K	3:27:00	9:31	3.11 mi	34:33	11:07	-0:26
40K	4:07:07	9:57	3.10 mi	40:07	12:55	+1:48
Finish(26.22 mi)	4:22:43	10:02	1.37 mi	15:36	11:26	-1:29

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:18 /mi

Average Pace

10:02 /mi

Slowest Pace

12:55 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:19:26

30% of race

Time at Steady Pace

57:08

22% of race

Time at Slower Pace

2:06:09

48% of race

Average Pace: 10:01 /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	17911	13150	2050	22616	16060	2468
10K	3.10 mi	19606-1695	14175-1025	2205-155	21656	15408	2393
15K	3.11 mi	20576-970	14793-618	2298-93	22616	16060	2468
20K	3.11 mi	21663-1087	15421-628	2397-99	25657	17727	2726
Half(13.11 mi)	0.68 mi	21959-296	15605-184	2412-15	28492	19123	2907
25K	2.42 mi	22782-823	16060-455	2473-61	27228	18367	2806
30K	3.11 mi	27015-4233	18307-2247	2805-332	38224	22981	3439
35K	3.11 mi	27985-970	18666-359	2855-50	33062	20124	3019
40K	3.10 mi	29690-1705	19252-586	2943-88	38789	22241	3334
Finish(26.22 mi)	1.37 mi	30036-346	19356-104	2942+1	37002	21250	3165

21250

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