Jonathan Holbrook

Round Lk Bch

Bib: 17285 M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Top 26%

Gender (Male)

#0 / 29548

Top 35%

Masters (Masters Men)

#0 / 14666

Top 31%

Division (M45-49)

#0 / 3637

Top 36%

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

7:48/mi

24:14

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

7:58/mi

48:58

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

7:52/mi

1:13:23

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

8:04/mi

1:38:27

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

8:07/mi

1:43:59

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

8:03/mi

2:03:29

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

8:19/mi

2:29:20

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

8:30/mi

2:55:44

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

8:49/mi

3:23:08

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

8:49/mi

3:35:09

↑ 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

1:43:597:56 /mi⚡ faster

2nd Half

1:51:108:29 /mi+6.9%

Positive split — 6.9% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	24:14	7:48	3.11 mi	24:14	7:48	-
10K	48:58	7:53	3.10 mi	24:44	7:58	+0:10
15K	1:13:23	7:52	3.11 mi	24:25	7:52	-0:06
20K	1:38:27	7:55	3.11 mi	25:04	8:04	+0:12
Half(13.11 mi)	1:43:59	7:56	0.68 mi	5:32	8:07	+0:03
25K	2:03:29	7:57	2.42 mi	19:30	8:03	-0:04
30K	2:29:20	8:01	3.11 mi	25:51	8:19	+0:16
35K	2:55:44	8:05	3.11 mi	26:24	8:30	+0:11
40K	3:23:08	8:10	3.10 mi	27:24	8:49	+0:19
Finish(26.22 mi)	3:35:09	8:13	1.37 mi	12:01	8:49	0:00

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:48 /mi

Average Pace

8:13 /mi

Slowest Pace

8:49 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:55:44

82% of race

Time at Steady Pace

39:25

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:12 /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	M45-49	Seg. Overall	Seg. Males	Seg. M45-49
5K	3.11 mi	12884	10005	1301	14649	11203	1427
10K	3.10 mi	13665-781	10470-465	1355-54	14555	11055	1422
15K	3.11 mi	13908-243	10645-175	1373-18	14649	11203	1427
20K	3.11 mi	14232-324	10868-223	1401-28	15643	11839	1482
Half(13.11 mi)	0.68 mi	14225+7	10865+3	1398+3	14640	11169	1394
25K	2.42 mi	14250-25	10888-23	1392+6	14510	11026	1376
30K	3.11 mi	14318-68	10914-26	1384+8	14891	11100	1381
35K	3.11 mi	14170+148	10745+169	1354+30	14358	10492	1298
40K	3.10 mi	13900+270	10463+282	1307+47	13949	9798	1233
Finish(26.22 mi)	1.37 mi	13970-70	10459+4	1304+3	16546	11097	1375

11097

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