Brittney Duncan

Lombard

Bib: 71529 F

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Gender (Female)

#0 / 24561

Masters (Masters Women)

#0 / 9409

Division (F40-44)

#0 / 3124

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

11:16/mi

35:00

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

11:32/mi

1:10:49

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

11:09/mi

1:45:29

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

11:28/mi

2:21:05

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

11:46/mi

2:29:07

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

11:51/mi

2:57:52

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

11:53/mi

3:34:46

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

12:30/mi

4:13:36

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

12:18/mi

4:51:49

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

10:25/mi

5:06:01

↑ 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

2:29:0711:22 /mi⚡ faster

2nd Half

2:36:5411:58 /mi+5.2%

Positive split — 5.2% slower in the second half

AI Race Performance Report

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	35:00	11:16	3.11 mi	35:00	11:16	-
10K	1:10:49	11:24	3.10 mi	35:49	11:32	+0:16
15K	1:45:29	11:19	3.11 mi	34:40	11:09	-0:23
20K	2:21:05	11:21	3.11 mi	35:36	11:28	+0:19
Half(13.11 mi)	2:29:07	11:22	0.68 mi	8:02	11:46	+0:18
25K	2:57:52	11:27	2.42 mi	28:45	11:51	+0:05
30K	3:34:46	11:31	3.11 mi	36:54	11:53	+0:02
35K	4:13:36	11:40	3.11 mi	38:50	12:30	+0:37
40K	4:51:49	11:44	3.10 mi	38:13	12:18	-0:12
Finish(26.22 mi)	5:06:01	11:41	1.37 mi	14:12	10:25	-1:53

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:25 /mi

Average Pace

11:41 /mi

Slowest Pace

12:30 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:59:28

39% of race

Time at Steady Pace

1:49:30

36% of race

Time at Slower Pace

1:17:03

25% of race

Average Pace: 11:40 /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	Females	F40-44	Seg. Overall	Seg. Females	Seg. F40-44
5K	3.11 mi	45955	19058	2467	44722	18273	2343
10K	3.10 mi	45554+401	18770+288	2425+42	45266	18620	2389
15K	3.11 mi	45154+400	18529+241	2396+29	44722	18273	2343
20K	3.11 mi	44825+329	18348+181	2370+26	44117	18021	2333
Half(13.11 mi)	0.68 mi	44701+124	18291+57	2369+1	43058	17568	2270
25K	2.42 mi	44374+327	18173+118	2363+6	42952	17611	2276
30K	3.11 mi	43472+902	17757+416	2307+56	39831	16151	2125
35K	3.11 mi	42984+488	17602+155	2284+23	40197	16816	2197
40K	3.10 mi	42027+957	17198+404	2243+41	35860	15025	1971
Finish(26.22 mi)	1.37 mi	41555+472	16982+216	2209+34	29716	11943	1523

11943

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