Liam O'Donnell

CHICAGO

Bib: 40190 M

0:00

0:00

/ mi

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Overall

#0 / 54109

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

9:32/mi

29:36

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

9:22/mi

58:43

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

9:06/mi

1:26:58

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

9:15/mi

1:55:43

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

9:33/mi

2:02:14

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

9:18/mi

2:24:47

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

9:29/mi

2:54:14

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

10:07/mi

3:25:40

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

11:38/mi

4:01:50

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

10:26/mi

4:16:04

↑ 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

2:02:149:19 /mi⚡ faster

2nd Half

2:13:5010:13 /mi+9.5%

Positive split — 9.5% slower in the second half

AI Race Performance Report

Liam'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	29:36	9:32	3.11 mi	29:36	9:32	-
10K	58:43	9:27	3.10 mi	29:07	9:22	-0:10
15K	1:26:58	9:20	3.11 mi	28:15	9:06	-0:16
20K	1:55:43	9:19	3.11 mi	28:45	9:15	+0:09
Half(13.11 mi)	2:02:14	9:19	0.68 mi	6:31	9:33	+0:18
25K	2:24:47	9:19	2.42 mi	22:33	9:18	-0:15
30K	2:54:14	9:21	3.11 mi	29:27	9:29	+0:11
35K	3:25:40	9:27	3.11 mi	31:26	10:07	+0:38
40K	4:01:50	9:44	3.10 mi	36:10	11:38	+1:31
Finish(26.22 mi)	4:16:04	9:46	1.37 mi	14:14	10:26	-1:12

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:06 /mi

Average Pace

9:46 /mi

Slowest Pace

11:38 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

28:15

11% of race

Time at Steady Pace

2:25:59

57% of race

Time at Slower Pace

1:21:50

32% of race

Average Pace: 9:46 /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	31359	20639	3036	28701	19398	2935
10K	3.10 mi	30410+949	20163+476	2993+43	29733	19814	2986
15K	3.11 mi	29829+581	19918+245	2980+13	28701	19398	2935
20K	3.11 mi	29388+441	19687+231	2963+17	28318	19154	2906
Half(13.11 mi)	0.68 mi	29314+74	19639+48	2963	28640	19192	2897
25K	2.42 mi	28772+542	19334+305	2911+52	26985	18239	2754
30K	3.11 mi	27858+914	18763+571	2825+86	25279	17014	2552
35K	3.11 mi	27505+353	18396+367	2766+59	26917	17381	2591
40K	3.10 mi	28009-504	18440-44	2753+13	32232	19122	2793
Finish(26.22 mi)	1.37 mi	27997+12	18340+100	2739+14	29828	17841	2716

17841

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