Brian Worster

Chelsea

Bib: 32713 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 (M45-49)

#0 / 3637

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

9:38/mi

29:55

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

9:33/mi

59:36

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

9:21/mi

1:28:38

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

9:49/mi

1:59:08

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

10:04/mi

2:06:00

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

10:47/mi

2:32:09

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

11:28/mi

3:07:45

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

12:06/mi

3:45:20

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

12:38/mi

4:24:34

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

11:37/mi

4:40:24

↑ 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

2:06:009:37 /mi⚡ faster

2nd Half

2:34:2411:47 /mi+22.5%

Positive split — 22.5% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	29:55	9:38	3.11 mi	29:55	9:38	-
10K	59:36	9:36	3.10 mi	29:41	9:33	-0:05
15K	1:28:38	9:31	3.11 mi	29:02	9:21	-0:12
20K	1:59:08	9:35	3.11 mi	30:30	9:49	+0:28
Half(13.11 mi)	2:06:00	9:37	0.68 mi	6:52	10:04	+0:15
25K	2:32:09	9:48	2.42 mi	26:09	10:47	+0:43
30K	3:07:45	10:04	3.11 mi	35:36	11:28	+0:41
35K	3:45:20	10:22	3.11 mi	37:35	12:06	+0:38
40K	4:24:34	10:39	3.10 mi	39:14	12:38	+0:32
Finish(26.22 mi)	4:40:24	10:42	1.37 mi	15:50	11:37	-1:01

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:21 /mi

Average Pace

10:42 /mi

Slowest Pace

12:38 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:06:00

45% of race

Time at Steady Pace

26:09

9% of race

Time at Slower Pace

2:08:15

46% of race

Average Pace: 10:42 /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	M45-49	Seg. Overall	Seg. Males	Seg. M45-49
5K	3.11 mi	32300	21131	2627	31109	20620	2560
10K	3.10 mi	31712+588	20834+297	2597+30	31403	20658	2575
15K	3.11 mi	31505+207	20756+78	2586+11	31109	20620	2560
20K	3.11 mi	31842-337	20924-168	2600-14	33013	21443	2654
Half(13.11 mi)	0.68 mi	31823+19	20908+16	2599+1	32587	21079	2598
25K	2.42 mi	32702-879	21279-371	2645-46	37454	23059	2826
30K	3.11 mi	33703-1001	21590-311	2684-39	37769	22777	2804
35K	3.11 mi	34530-827	21787-197	2700-16	38285	22522	2778
40K	3.10 mi	34998-468	21788-1	2702-2	37454	21596	2673
Finish(26.22 mi)	1.37 mi	35145-147	21768+20	2694+8	38098	21767	2665

21767

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