Matthew O'Brien

Naperville

Bib: 11889 M

0:00

0:00

/ mi

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Overall

#0 / 54109

Top 18%

Gender (Male)

#0 / 29548

Top 26%

Division (M30-34)

#0 / 4787

Top 30%

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

7:28/mi

23:12

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

7:34/mi

46:43

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

7:25/mi

1:09:47

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

7:33/mi

1:33:14

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

9:30/mi

1:39:43

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

7:31/mi

1:57:57

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

7:38/mi

2:21:41

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

7:50/mi

2:46:01

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

8:02/mi

3:10:57

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

7:57/mi

3:21:47

↑ 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

1:39:437:36 /mi⚡ faster

2nd Half

1:42:047:47 /mi+2.4%

Positive split — 2.4% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	23:12	7:28	3.11 mi	23:12	7:28	-
10K	46:43	7:31	3.10 mi	23:31	7:34	+0:06
15K	1:09:47	7:29	3.11 mi	23:04	7:25	-0:09
20K	1:33:14	7:30	3.11 mi	23:27	7:33	+0:08
Half(13.11 mi)	1:39:43	7:36	0.68 mi	6:29	9:30	+1:57
25K	1:57:57	7:36	2.42 mi	18:14	7:31	-1:59
30K	2:21:41	7:36	3.11 mi	23:44	7:38	+0:07
35K	2:46:01	7:38	3.11 mi	24:20	7:50	+0:12
40K	3:10:57	7:41	3.10 mi	24:56	8:02	+0:12
Finish(26.22 mi)	3:21:47	7:42	1.37 mi	10:50	7:57	-0:05

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:25 /mi

Average Pace

7:42 /mi

Slowest Pace

9:30 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:39:32

79% of race

Time at Slower Pace

42:15

21% of race

Average Pace: 7:42 /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	M30-34	Seg. Overall	Seg. Males	Seg. M30-34
5K	3.11 mi	9930	8107	1535	10171	8296	1571
10K	3.10 mi	10305-375	8349-242	1573-38	10784	8657	1631
15K	3.11 mi	10211+94	8303+46	1565+8	10171	8296	1571
20K	3.11 mi	10195+16	8307-4	1573-8	10258	8353	1588
Half(13.11 mi)	0.68 mi	11140-945	8908-601	1663-90	28217	18948	3322
25K	2.42 mi	10808+332	8672+236	1626+37	9565	7805	1482
30K	3.11 mi	10409+399	8371+301	1578+48	9112	7397	1420
35K	3.11 mi	10071+338	8107+264	1538+40	9095	7194	1361
40K	3.10 mi	9584+487	7677+430	1452+86	8519	6556	1260
Finish(26.22 mi)	1.37 mi	9511+73	7577+100	1442+10	9591	7096	1359

7096

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