Jessica Hairfield

Chesterfield

Bib: 65102 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

12:07/mi

37:40

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

12:59/mi

1:18:01

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

12:51/mi

1:57:55

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

13:40/mi

2:40:23

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

13:55/mi

2:49:53

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

13:52/mi

3:23:31

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

14:38/mi

4:08:58

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

15:32/mi

4:57:15

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

15:37/mi

5:45:45

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

13:50/mi

6:04:37

↑ 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

2:49:5312:58 /mi⚡ faster

2nd Half

3:14:4414:51 /mi+14.6%

Positive split — 14.6% 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	37:40	12:07	3.11 mi	37:40	12:07	-
10K	1:18:01	12:33	3.10 mi	40:21	12:59	+0:52
15K	1:57:55	12:39	3.11 mi	39:54	12:51	-0:08
20K	2:40:23	12:54	3.11 mi	42:28	13:40	+0:49
Half(13.11 mi)	2:49:53	12:58	0.68 mi	9:30	13:55	+0:15
25K	3:23:31	13:06	2.42 mi	33:38	13:52	-0:03
30K	4:08:58	13:21	3.11 mi	45:27	14:38	+0:46
35K	4:57:15	13:40	3.11 mi	48:17	15:32	+0:54
40K	5:45:45	13:55	3.10 mi	48:30	15:37	+0:05
Finish(26.22 mi)	6:04:37	13:55	1.37 mi	18:52	13:50	-1:47

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

12:07 /mi

Average Pace

13:55 /mi

Slowest Pace

15:37 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:57:55

32% of race

Time at Steady Pace

1:44:28

29% of race

Time at Slower Pace

2:22:14

39% of race

Average Pace: 13:54 /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	50059	21717	3064	50754	22183	3136
10K	3.10 mi	50236-177	21796-79	3067-3	50217	21806	3062
15K	3.11 mi	50464-228	21973-177	3089-22	50754	22183	3136
20K	3.11 mi	50610-146	22096-123	3119-30	50767	22263	3164
Half(13.11 mi)	0.68 mi	50568+42	22079+17	3117+2	49651	21679	3076
25K	2.42 mi	50421+147	21994+85	3097+20	49229	21470	3060
30K	3.11 mi	50257+164	21937+57	3098-1	49154	21594	3085
35K	3.11 mi	50359-102	22048-111	3130-32	50278	22401	3215
40K	3.10 mi	50355+4	22081-33	3129+1	49029	21940	3137
Finish(26.22 mi)	1.37 mi	50313+42	22072+9	3132-3	48044	21449	3052

21449

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