Brittany Johns

S Barrington

Bib: 60960 F

0:00

0:00

/ mi

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Overall

#0 / 54109

Gender (Female)

#0 / 24561

Division (F30-34)

#0 / 4161

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

12:26/mi

38:37

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

12:30/mi

1:17:27

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

12:18/mi

1:55:41

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

13:53/mi

2:38:49

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

18:32/mi

2:51:28

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

14:52/mi

3:27:31

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

15:09/mi

4:14:35

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

15:57/mi

5:04:07

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

15:49/mi

5:53:14

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

14:15/mi

6:12:40

↑ 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

2:51:2813:05 /mi⚡ faster

2nd Half

3:21:1215:21 /mi+17.3%

Positive split — 17.3% 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	38:37	12:26	3.11 mi	38:37	12:26	-
10K	1:17:27	12:28	3.10 mi	38:50	12:30	+0:04
15K	1:55:41	12:25	3.11 mi	38:14	12:18	-0:12
20K	2:38:49	12:47	3.11 mi	43:08	13:53	+1:35
Half(13.11 mi)	2:51:28	13:05	0.68 mi	12:39	18:32	+4:39
25K	3:27:31	13:22	2.42 mi	36:03	14:52	-3:40
30K	4:14:35	13:39	3.11 mi	47:04	15:09	+0:17
35K	5:04:07	13:59	3.11 mi	49:32	15:57	+0:48
40K	5:53:14	14:13	3.10 mi	49:07	15:49	-0:08
Finish(26.22 mi)	6:12:40	14:13	1.37 mi	19:26	14:15	-1:34

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

12:18 /mi

Average Pace

14:13 /mi

Slowest Pace

18:32 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:38:49

43% of race

Time at Steady Pace

1:42:33

28% of race

Time at Slower Pace

1:51:18

30% of race

Average Pace: 14:13 /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	F30-34	Seg. Overall	Seg. Females	Seg. F30-34
5K	3.11 mi	51045	22380	3813	49334	21256	3654
10K	3.10 mi	49968+1077	21630+750	3705+108	48881	20923	3585
15K	3.11 mi	49788+180	21530+100	3691+14	49334	21256	3654
20K	3.11 mi	50308-520	21892-362	3736-45	51184	22533	3839
Half(13.11 mi)	0.68 mi	50892-584	22294-402	3795-59	53638	24246	4121
25K	2.42 mi	51024-132	22394-100	3812-17	51104	22628	3850
30K	3.11 mi	50993+31	22403-9	3802+10	50324	22293	3790
35K	3.11 mi	51151-158	22547-144	3832-30	51138	22862	3890
40K	3.10 mi	51069+82	22542+5	3835-3	49524	22192	3785
Finish(26.22 mi)	1.37 mi	51015+54	22529+13	3831+4	49194	22035	3805

22035

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