Mack O'Neil

Chicago

Bib: 47604 M

0:00

0:00

/ mi

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Overall

#0 / 54109

Top 47%

Gender (Male)

#0 / 29548

Division (M25-29)

#0 / 4122

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

9:05/mi

28:12

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

8:54/mi

55:52

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

8:52/mi

1:23:25

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

8:57/mi

1:51:12

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

9:04/mi

1:57:23

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

9:48/mi

2:21:08

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

9:30/mi

2:50:40

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

9:15/mi

3:19:23

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

10:17/mi

3:51:19

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

10:58/mi

4:06:17

↑ 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

1:57:238:57 /mi⚡ faster

2nd Half

2:08:549:50 /mi+9.8%

Positive split — 9.8% 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	28:12	9:05	3.11 mi	28:12	9:05	-
10K	55:52	8:59	3.10 mi	27:40	8:54	-0:11
15K	1:23:25	8:57	3.11 mi	27:33	8:52	-0:02
20K	1:51:12	8:57	3.11 mi	27:47	8:57	+0:05
Half(13.11 mi)	1:57:23	8:57	0.68 mi	6:11	9:04	+0:07
25K	2:21:08	9:05	2.42 mi	23:45	9:48	+0:44
30K	2:50:40	9:09	3.11 mi	29:32	9:30	-0:18
35K	3:19:23	9:10	3.11 mi	28:43	9:15	-0:15
40K	3:51:19	9:18	3.10 mi	31:56	10:17	+1:02
Finish(26.22 mi)	4:06:17	9:24	1.37 mi	14:58	10:58	+0:41

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:52 /mi

Average Pace

9:24 /mi

Slowest Pace

10:58 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

55:13

22% of race

Time at Steady Pace

2:00:25

49% of race

Time at Slower Pace

1:10:39

29% of race

Average Pace: 9:24 /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	M25-29	Seg. Overall	Seg. Males	Seg. M25-29
5K	3.11 mi	26480	18065	2655	25843	17867	2683
10K	3.10 mi	25243+1237	17433+632	2586+69	24260	16903	2523
15K	3.11 mi	25353-110	17523-90	2606-20	25843	17867	2683
20K	3.11 mi	25125+228	17397+126	2604+2	24684	17181	2597
Half(13.11 mi)	0.68 mi	25038+87	17349+48	2595+9	24067	16740	2532
25K	2.42 mi	26152-1114	17943-594	2688-93	30603	20055	3006
30K	3.11 mi	25980+172	17723+220	2663+25	25457	17102	2566
35K	3.11 mi	24969+1011	17016+707	2533+130	20813	14178	2124
40K	3.10 mi	24709+260	16673+343	2478+55	24143	15328	2237
Finish(26.22 mi)	1.37 mi	25088-379	16800-127	2498-20	33858	19738	2991

19738

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