Mark Blecha

Hometown

Bib: 34388 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 (M45-49)

#0 / 3637

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

10:36/mi

32:55

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

11:21/mi

1:08:10

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

11:17/mi

1:43:13

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

11:14/mi

2:18:08

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

11:04/mi

2:25:41

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

11:27/mi

2:53:27

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

13:14/mi

3:34:35

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

14:04/mi

4:18:17

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

14:35/mi

5:03:35

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

13:47/mi

5:22:23

↑ 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

2:25:4111:07 /mi⚡ faster

2nd Half

2:56:4213:29 /mi+21.3%

Positive split — 21.3% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	32:55	10:36	3.11 mi	32:55	10:36	-
10K	1:08:10	10:58	3.10 mi	35:15	11:21	+0:45
15K	1:43:13	11:04	3.11 mi	35:03	11:17	-0:04
20K	2:18:08	11:07	3.11 mi	34:55	11:14	-0:03
Half(13.11 mi)	2:25:41	11:07	0.68 mi	7:33	11:04	-0:10
25K	2:53:27	11:10	2.42 mi	27:46	11:27	+0:23
30K	3:34:35	11:31	3.11 mi	41:08	13:14	+1:47
35K	4:18:17	11:53	3.11 mi	43:42	14:04	+0:50
40K	5:03:35	12:13	3.10 mi	45:18	14:35	+0:31
Finish(26.22 mi)	5:22:23	12:18	1.37 mi	18:48	13:47	-0:48

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:36 /mi

Average Pace

12:18 /mi

Slowest Pace

14:35 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

32:55

10% of race

Time at Steady Pace

2:20:32

44% of race

Time at Slower Pace

2:28:56

46% of race

Average Pace: 12:18 /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	M45-49	Seg. Overall	Seg. Males	Seg. M45-49
5K	3.11 mi	40653	24911	3095	45353	26702	3292
10K	3.10 mi	42695-2042	25690-779	3171-76	44317	26286	3240
15K	3.11 mi	43743-1048	26095-405	3207-36	45353	26702	3292
20K	3.11 mi	43458+285	25942+153	3190+17	42972	25661	3172
Half(13.11 mi)	0.68 mi	43188+270	25809+133	3178+12	39232	23933	2945
25K	2.42 mi	42741+447	25558+251	3147+31	41118	24601	3035
30K	3.11 mi	43419-678	25697-139	3163-16	45126	25877	3186
35K	3.11 mi	43980-561	25806-109	3177-14	46057	25986	3206
40K	3.10 mi	44271-291	25793+13	3186-9	45774	25557	3178
Finish(26.22 mi)	1.37 mi	44524-253	25846-53	3204-18	47878	26523	3273

26523

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