Ian Mason

Chicago

Bib: 72293 M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Gender (Male)

#0 / 29548

Masters (Masters Men)

#0 / 14666

Division (M40-44)

#0 / 4329

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

9:49/mi

30:30

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

9:25/mi

59:44

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

9:45/mi

1:30:01

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

10:16/mi

2:01:56

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

10:33/mi

2:09:08

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

11:06/mi

2:36:03

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

13:14/mi

3:17:10

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

14:57/mi

4:03:37

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

14:17/mi

4:48:01

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

12:15/mi

5:04:44

↑ 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

2:09:089:51 /mi⚡ faster

2nd Half

2:55:3613:24 /mi+36.0%

Positive split — 36.0% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	30:30	9:49	3.11 mi	30:30	9:49	-
10K	59:44	9:37	3.10 mi	29:14	9:25	-0:24
15K	1:30:01	9:39	3.11 mi	30:17	9:45	+0:20
20K	2:01:56	9:49	3.11 mi	31:55	10:16	+0:31
Half(13.11 mi)	2:09:08	9:51	0.68 mi	7:12	10:33	+0:17
25K	2:36:03	10:03	2.42 mi	26:55	11:06	+0:33
30K	3:17:10	10:35	3.11 mi	41:07	13:14	+2:08
35K	4:03:37	11:12	3.11 mi	46:27	14:57	+1:43
40K	4:48:01	11:35	3.10 mi	44:24	14:17	-0:40
Finish(26.22 mi)	5:04:44	11:38	1.37 mi	16:43	12:15	-2:02

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:25 /mi

Average Pace

11:38 /mi

Slowest Pace

14:57 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:30:01

30% of race

Time at Steady Pace

1:06:02

22% of race

Time at Slower Pace

2:28:41

49% of race

Average Pace: 11:37 /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	M40-44	Seg. Overall	Seg. Males	Seg. M40-44
5K	3.11 mi	33940	21934	3329	34603	22279	3371
10K	3.10 mi	31884+2056	20917+1017	3185+144	30091	20005	3052
15K	3.11 mi	32759-875	21377-460	3254-69	34603	22279	3371
20K	3.11 mi	33665-906	21814-437	3305-51	36643	23096	3469
Half(13.11 mi)	0.68 mi	33739-74	21826-12	3299+6	36051	22626	3404
25K	2.42 mi	34745-1006	22206-380	3351-52	39347	23869	3574
30K	3.11 mi	37438-2693	23293-1087	3506-155	45101	25862	3840
35K	3.11 mi	40395-2957	24333-1040	3650-144	48761	27190	4012
40K	3.10 mi	41271-876	24513-180	3675-25	44672	25058	3740
Finish(26.22 mi)	1.37 mi	41302-31	24475+38	3668+7	41730	23549	3480

23549

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