David Mackay

Concord

Bib: 13260 M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Top 6%

Gender (Male)

#0 / 29548

Top 10%

Masters (Masters Men)

#0 / 14666

Top 5%

Division (M50-54)

#0 / 2876

Top 3%

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

6:36/mi

20:31

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

6:41/mi

41:16

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

6:42/mi

1:02:05

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

6:44/mi

1:23:01

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

6:42/mi

1:27:35

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

6:36/mi

1:43:35

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

6:45/mi

2:04:33

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

6:56/mi

2:26:05

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

7:00/mi

2:47:51

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

6:54/mi

2:57:15

↑ 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

1:27:356:41 /mi⚡ faster

2nd Half

1:29:406:50 /mi+2.4%

Positive split — 2.4% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	20:31	6:36	3.11 mi	20:31	6:36	-
10K	41:16	6:38	3.10 mi	20:45	6:41	+0:05
15K	1:02:05	6:40	3.11 mi	20:49	6:42	+0:01
20K	1:23:01	6:41	3.11 mi	20:56	6:44	+0:02
Half(13.11 mi)	1:27:35	6:41	0.68 mi	4:34	6:42	-0:02
25K	1:43:35	6:40	2.42 mi	16:00	6:36	-0:06
30K	2:04:33	6:41	3.11 mi	20:58	6:45	+0:09
35K	2:26:05	6:43	3.11 mi	21:32	6:56	+0:11
40K	2:47:51	6:45	3.10 mi	21:46	7:00	+0:04
Finish(26.22 mi)	2:57:15	6:46	1.37 mi	9:24	6:54	-0:06

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:36 /mi

Average Pace

6:46 /mi

Slowest Pace

7:00 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:13:57

76% of race

Time at Steady Pace

43:18

24% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:46 /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	M50-54	Seg. Overall	Seg. Males	Seg. M50-54
5K	3.11 mi	3373	3129	94	4414	4045	155
10K	3.10 mi	3497-124	3246-117	101-7	3655	3391	109
15K	3.11 mi	3771-274	3483-237	117-16	4414	4045	155
20K	3.11 mi	3838-67	3550-67	117	4086	3758	124
Half(13.11 mi)	0.68 mi	3807+31	3524+26	116+1	3357	3116	88
25K	2.42 mi	3647+160	3376+148	108+8	3023	2818	78
30K	3.11 mi	3520+127	3263+113	101+7	3327	3064	98
35K	3.11 mi	3470+50	3207+56	99+2	3644	3285	127
40K	3.10 mi	3345+125	3083+124	99	3137	2780	107
Finish(26.22 mi)	1.37 mi	3291+54	3024+59	95+4	3297	2857	100

2857

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