David Parfrey

London

Bib: 41313 M

0:00

0:00

/ mi

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Overall

#0 / 54109

Top 43%

Gender (Male)

#0 / 29548

Division (M25-29)

#0 / 4122

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

8:54/mi

27:38

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

8:52/mi

55:12

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

8:50/mi

1:22:40

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

9:00/mi

1:50:38

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

8:59/mi

1:56:46

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

8:52/mi

2:18:16

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

9:05/mi

2:46:28

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

9:28/mi

3:15:54

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

9:58/mi

3:46:53

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

9:12/mi

3:59:26

↑ 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

1:56:468:54 /mi⚡ faster

2nd Half

2:02:409:21 /mi+5.1%

Positive split — 5.1% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	27:38	8:54	3.11 mi	27:38	8:54	-
10K	55:12	8:53	3.10 mi	27:34	8:52	-0:02
15K	1:22:40	8:52	3.11 mi	27:28	8:50	-0:02
20K	1:50:38	8:54	3.11 mi	27:58	9:00	+0:10
Half(13.11 mi)	1:56:46	8:54	0.68 mi	6:08	8:59	-0:01
25K	2:18:16	8:54	2.42 mi	21:30	8:52	-0:07
30K	2:46:28	8:56	3.11 mi	28:12	9:05	+0:13
35K	3:15:54	9:00	3.11 mi	29:26	9:28	+0:23
40K	3:46:53	9:08	3.10 mi	30:59	9:58	+0:30
Finish(26.22 mi)	3:59:26	9:08	1.37 mi	12:33	9:12	-0:46

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:50 /mi

Average Pace

9:08 /mi

Slowest Pace

9:58 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:28:27

87% of race

Time at Steady Pace

30:59

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:08 /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	Males	M25-29	Seg. Overall	Seg. Males	Seg. M25-29
5K	3.11 mi	24190	16838	2478	25493	17669	2653
10K	3.10 mi	23947+243	16719+119	2477+1	23877	16685	2491
15K	3.11 mi	24335-388	16982-263	2531-54	25493	17669	2653
20K	3.11 mi	24539-204	17091-109	2554-23	25415	17579	2659
Half(13.11 mi)	0.68 mi	24403+136	17012+79	2541+13	23279	16311	2471
25K	2.42 mi	23987+416	16734+278	2500+41	22524	15793	2401
30K	3.11 mi	23424+563	16328+406	2442+58	21815	15122	2291
35K	3.11 mi	23168+256	16039+289	2396+46	22543	15104	2250
40K	3.10 mi	23055+113	15762+277	2353+43	22180	14278	2094
Finish(26.22 mi)	1.37 mi	22943+112	15642+120	2348+5	19971	12931	2005

12931

Passing Analysis

No position changes recorded for this athlete.

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Public Race Data

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Race managed by

Chicago Event Management

Race timed by

Mika Timing