Rebecca Williamson

Naperville

Bib: 71692 F

0:00

0:00

/ mi

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Overall

#0 / 54109

Gender (Female)

#0 / 24561

Division (F35-39)

#0 / 3504

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

12:30/mi

38:51

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

14:42/mi

1:24:32

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

13:10/mi

2:05:25

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

14:17/mi

2:49:47

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

14:54/mi

2:59:57

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

16:28/mi

3:39:52

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

16:29/mi

4:31:05

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

17:28/mi

5:25:21

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

16:36/mi

6:16:56

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

17:25/mi

6:40:41

↑ 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

2:59:5713:44 /mi⚡ faster

2nd Half

3:40:4416:50 /mi+22.7%

Positive split — 22.7% slower in the second half

AI Race Performance Report

Rebecca's race, broken down like a coach

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	38:51	12:30	3.11 mi	38:51	12:30	-
10K	1:24:32	13:36	3.10 mi	45:41	14:42	+2:12
15K	2:05:25	13:27	3.11 mi	40:53	13:10	-1:32
20K	2:49:47	13:40	3.11 mi	44:22	14:17	+1:07
Half(13.11 mi)	2:59:57	13:44	0.68 mi	10:10	14:54	+0:37
25K	3:39:52	14:09	2.42 mi	39:55	16:28	+1:34
30K	4:31:05	14:33	3.11 mi	51:13	16:29	+0:01
35K	5:25:21	14:58	3.11 mi	54:16	17:28	+0:59
40K	6:16:56	15:10	3.10 mi	51:35	16:36	-0:52
Finish(26.22 mi)	6:40:41	15:18	1.37 mi	23:45	17:25	+0:49

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

12:30 /mi

Average Pace

15:18 /mi

Slowest Pace

17:28 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:59:57

45% of race

Time at Steady Pace

2:22:43

36% of race

Time at Slower Pace

1:18:01

19% of race

Average Pace: 15:17 /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	F35-39	Seg. Overall	Seg. Females	Seg. F35-39
5K	3.11 mi	51254	22518	3182	51398	22651	3216
10K	3.10 mi	52489-1235	23347-829	3314-132	52981	23693	3371
15K	3.11 mi	52244+245	23179+168	3293+21	51398	22651	3216
20K	3.11 mi	52174+70	23139+40	3289+4	51842	22973	3282
Half(13.11 mi)	0.68 mi	52147+27	23131+8	3291-2	51269	22687	3237
25K	2.42 mi	52448-301	23356-225	3333-42	53004	23835	3413
30K	3.11 mi	52516-68	23417-61	3340-7	52376	23495	3350
35K	3.11 mi	52691-175	23552-135	3366-26	53024	23905	3419
40K	3.10 mi	52709-18	23568-16	3371-5	51257	23064	3300
Finish(26.22 mi)	1.37 mi	52843-134	23665-97	3382-11	53182	24040	3436

24040

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