Stephanie Lau

Northbrook

Bib: 63768 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 (F45-49)

#0 / 2581

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

11:10/mi

34:41

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

11:05/mi

1:09:06

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

10:47/mi

1:42:36

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

10:55/mi

2:16:32

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

11:22/mi

2:24:17

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

11:01/mi

2:50:59

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

11:44/mi

3:27:25

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

12:10/mi

4:05:13

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

11:02/mi

4:39:31

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

10:47/mi

4:54:13

↑ 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

2:24:1711:00 /mi⚡ faster

2nd Half

2:29:5611:26 /mi+3.9%

Positive split — 3.9% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	34:41	11:10	3.11 mi	34:41	11:10	-
10K	1:09:06	11:07	3.10 mi	34:25	11:05	-0:05
15K	1:42:36	11:00	3.11 mi	33:30	10:47	-0:18
20K	2:16:32	10:59	3.11 mi	33:56	10:55	+0:08
Half(13.11 mi)	2:24:17	11:00	0.68 mi	7:45	11:22	+0:27
25K	2:50:59	11:00	2.42 mi	26:42	11:01	-0:21
30K	3:27:25	11:08	3.11 mi	36:26	11:44	+0:43
35K	4:05:13	11:17	3.11 mi	37:48	12:10	+0:26
40K	4:39:31	11:15	3.10 mi	34:18	11:02	-1:08
Finish(26.22 mi)	4:54:13	11:14	1.37 mi	14:42	10:47	-0:15

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:47 /mi

Average Pace

11:14 /mi

Slowest Pace

12:10 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

4:16:25

87% of race

Time at Steady Pace

37:48

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:13 /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	F45-49	Seg. Overall	Seg. Females	Seg. F45-49
5K	3.11 mi	45214	18576	1928	42479	16878	1736
10K	3.10 mi	43816+1398	17688+888	1831+97	42711	17047	1766
15K	3.11 mi	43322+494	17387+301	1797+34	42479	16878	1736
20K	3.11 mi	42634+688	17017+370	1749+48	41084	16172	1653
Half(13.11 mi)	0.68 mi	42490+144	16940+77	1738+11	41004	16323	1649
25K	2.42 mi	41765+725	16583+357	1702+36	38859	15207	1564
30K	3.11 mi	41237+528	16422+161	1684+18	39133	15774	1614
35K	3.11 mi	40864+373	16343+79	1670+14	38667	15977	1630
40K	3.10 mi	39224+1640	15576+767	1589+81	28729	11229	1172
Finish(26.22 mi)	1.37 mi	38883+341	15448+128	1569+20	32507	13422	1329

13422

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