Christopher O'Shea

Mortimer

Bib: 10459 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 (M50-54)

#0 / 2876

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

9:02/mi

28:05

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

8:49/mi

55:29

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

10:12/mi

1:27:09

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

9:36/mi

1:56:57

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

9:32/mi

2:03:27

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

10:59/mi

2:30:04

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

11:01/mi

3:04:19

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

11:12/mi

3:39:07

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

11:47/mi

4:15:42

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

10:25/mi

4:29:55

↑ 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

2:03:279:25 /mi⚡ faster

2nd Half

2:26:2811:10 /mi+18.6%

Positive split — 18.6% slower in the second half

AI Race Performance Report

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	28:05	9:02	3.11 mi	28:05	9:02	-
10K	55:29	8:56	3.10 mi	27:24	8:49	-0:13
15K	1:27:09	9:21	3.11 mi	31:40	10:12	+1:23
20K	1:56:57	9:25	3.11 mi	29:48	9:36	-0:36
Half(13.11 mi)	2:03:27	9:25	0.68 mi	6:30	9:32	-0:04
25K	2:30:04	9:40	2.42 mi	26:37	10:59	+1:27
30K	3:04:19	9:53	3.11 mi	34:15	11:01	+0:02
35K	3:39:07	10:05	3.11 mi	34:48	11:12	+0:11
40K	4:15:42	10:17	3.10 mi	36:35	11:47	+0:35
Finish(26.22 mi)	4:29:55	10:18	1.37 mi	14:13	10:25	-1:22

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:49 /mi

Average Pace

10:18 /mi

Slowest Pace

11:47 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:31:47

34% of race

Time at Steady Pace

45:53

17% of race

Time at Slower Pace

2:12:15

49% of race

Average Pace: 10:18 /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	M50-54	Seg. Overall	Seg. Males	Seg. M50-54
5K	3.11 mi	25999	17798	1610	38326	23928	2251
10K	3.10 mi	24485+1514	17010+788	1529+81	23318	16384	1467
15K	3.11 mi	30034-5549	20010-3000	1821-292	38326	23928	2251
20K	3.11 mi	30282-248	20141-131	1836-15	31250	20626	1884
Half(13.11 mi)	0.68 mi	30120+162	20070+71	1829+7	28511	19142	1729
25K	2.42 mi	31645-1525	20757-687	1899-70	38630	23554	2199
30K	3.11 mi	32221-576	20902-145	1923-24	35340	21737	2029
35K	3.11 mi	32359-138	20772+130	1921+2	33549	20342	1895
40K	3.10 mi	32356+3	20527+245	1895+26	33018	19492	1815
Finish(26.22 mi)	1.37 mi	32177+179	20381+146	1875+20	29755	17807	1575

17807

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