Sean O'Donnell

Chicago

Bib: 1804 M

0:00

0:00

/ mi

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Overall

#0 / 54109

Top 18%

Gender (Male)

#0 / 29548

Top 26%

Division (M35-39)

#0 / 4653

Top 32%

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

8:01/mi

24:53

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

7:53/mi

49:21

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

7:35/mi

1:12:54

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

7:38/mi

1:36:37

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

7:33/mi

1:41:46

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

7:25/mi

1:59:46

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

7:25/mi

2:22:47

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

7:34/mi

2:46:16

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

8:00/mi

3:11:08

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

7:42/mi

3:21:38

↑ 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

1:41:467:46 /mi+1.9%

2nd Half

1:39:527:37 /mi✓ faster

Negative split — 1.9% faster in the second half

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Sean's race, broken down like a coach

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	24:53	8:01	3.11 mi	24:53	8:01	-
10K	49:21	7:57	3.10 mi	24:28	7:53	-0:08
15K	1:12:54	7:49	3.11 mi	23:33	7:35	-0:18
20K	1:36:37	7:46	3.11 mi	23:43	7:38	+0:03
Half(13.11 mi)	1:41:46	7:46	0.68 mi	5:09	7:33	-0:05
25K	1:59:46	7:43	2.42 mi	18:00	7:25	-0:08
30K	2:22:47	7:40	3.11 mi	23:01	7:25	0:00
35K	2:46:16	7:39	3.11 mi	23:29	7:34	+0:09
40K	3:11:08	7:41	3.10 mi	24:52	8:00	+0:26
Finish(26.22 mi)	3:21:38	7:42	1.37 mi	10:30	7:42	-0:18

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:25 /mi

Average Pace

7:42 /mi

Slowest Pace

8:01 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:07:25

63% of race

Time at Steady Pace

1:14:13

37% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:41 /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	M35-39	Seg. Overall	Seg. Males	Seg. M35-39
5K	3.11 mi	14941	11285	2107	11775	9344	1777
10K	3.10 mi	14218+723	10812+473	2036+71	13641	10459	1967
15K	3.11 mi	13393+825	10313+499	1950+86	11775	9344	1777
20K	3.11 mi	12809+584	9976+337	1888+62	11133	8920	1712
Half(13.11 mi)	0.68 mi	12584+225	9833+143	1862+26	9428	7763	1512
25K	2.42 mi	11932+652	9408+425	1788+74	8804	7295	1437
30K	3.11 mi	10948+984	8712+696	1660+128	7303	6134	1254
35K	3.11 mi	10171+777	8171+541	1585+75	7077	5820	1183
40K	3.10 mi	9655+516	7721+450	1506+79	8367	6464	1280
Finish(26.22 mi)	1.37 mi	9473+182	7553+168	1480+26	7810	5978	1178

5978

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