Jingyu Dai

Westfield

Bib: 37538 F

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Gender (Female)

#0 / 24561

Masters (Masters Women)

#0 / 9409

Top 50%

Division (F55-59)

#0 / 1120

Top 45%

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

10:16/mi

31:54

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

10:23/mi

1:04:09

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

10:04/mi

1:35:26

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

10:23/mi

2:07:42

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

10:42/mi

2:15:00

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

10:31/mi

2:40:29

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

10:46/mi

3:13:56

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

11:01/mi

3:48:09

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

11:41/mi

4:24:26

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

10:00/mi

4:38:04

↑ 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

2:15:0010:18 /mi⚡ faster

2nd Half

2:23:0410:55 /mi+6.0%

Positive split — 6.0% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	31:54	10:16	3.11 mi	31:54	10:16	-
10K	1:04:09	10:19	3.10 mi	32:15	10:23	+0:07
15K	1:35:26	10:14	3.11 mi	31:17	10:04	-0:19
20K	2:07:42	10:17	3.11 mi	32:16	10:23	+0:19
Half(13.11 mi)	2:15:00	10:18	0.68 mi	7:18	10:42	+0:19
25K	2:40:29	10:20	2.42 mi	25:29	10:31	-0:11
30K	3:13:56	10:24	3.11 mi	33:27	10:46	+0:15
35K	3:48:09	10:29	3.11 mi	34:13	11:01	+0:15
40K	4:24:26	10:38	3.10 mi	36:17	11:41	+0:40
Finish(26.22 mi)	4:38:04	10:37	1.37 mi	13:38	10:00	-1:41

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:00 /mi

Average Pace

10:37 /mi

Slowest Pace

11:41 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:27:34

75% of race

Time at Steady Pace

1:10:30

25% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:36 /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	F55-59	Seg. Overall	Seg. Females	Seg. F55-59
5K	3.11 mi	37778	14079	570	37336	13811	528
10K	3.10 mi	37699+79	14055+24	564+6	37842	14145	560
15K	3.11 mi	37477+222	13902+153	556+8	37336	13811	528
20K	3.11 mi	37426+51	13897+5	551+5	37504	14044	556
Half(13.11 mi)	0.68 mi	37364+62	13884+13	547+4	37037	13996	541
25K	2.42 mi	36953+411	13719+165	540+7	35747	13431	523
30K	3.11 mi	36193+760	13460+259	528+12	33813	12716	491
35K	3.11 mi	35426+767	13230+230	516+12	32427	12586	478
40K	3.10 mi	34944+482	13179+51	509+7	32473	13234	502
Finish(26.22 mi)	1.37 mi	34499+445	13029+150	502+7	26396	10162	313

10162

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