Brittany Holst

Alsip

Bib: 69129 F

0:00

0:00

/ mi

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Overall

#0 / 54109

Gender (Female)

#0 / 24561

Division (F30-34)

#0 / 4161

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

12:21/mi

38:23

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

12:27/mi

1:17:04

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

12:42/mi

1:56:31

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

13:22/mi

2:38:03

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

17:09/mi

2:49:45

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

17:37/mi

3:32:28

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

18:34/mi

4:30:08

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

15:33/mi

5:18:27

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

14:31/mi

6:03:34

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

12:01/mi

6:19:58

↑ 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

2:49:4512:57 /mi⚡ faster

2nd Half

3:30:1316:02 /mi+23.8%

Positive split — 23.8% 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	38:23	12:21	3.11 mi	38:23	12:21	-
10K	1:17:04	12:24	3.10 mi	38:41	12:27	+0:06
15K	1:56:31	12:30	3.11 mi	39:27	12:42	+0:15
20K	2:38:03	12:43	3.11 mi	41:32	13:22	+0:40
Half(13.11 mi)	2:49:45	12:57	0.68 mi	11:42	17:09	+3:47
25K	3:32:28	13:41	2.42 mi	42:43	17:37	+0:28
30K	4:30:08	14:29	3.11 mi	57:40	18:34	+0:57
35K	5:18:27	14:39	3.11 mi	48:19	15:33	-3:01
40K	6:03:34	14:38	3.10 mi	45:07	14:31	-1:02
Finish(26.22 mi)	6:19:58	14:30	1.37 mi	16:24	12:01	-2:30

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

12:01 /mi

Average Pace

14:30 /mi

Slowest Pace

18:34 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:12:55

35% of race

Time at Steady Pace

2:14:58

36% of race

Time at Slower Pace

1:52:05

29% of race

Average Pace: 14:29 /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	Females	F30-34	Seg. Overall	Seg. Females	Seg. F30-34
5K	3.11 mi	50805	22229	3787	50382	21943	3748
10K	3.10 mi	49786+1019	21523+706	3688+99	48711	20812	3567
15K	3.11 mi	50062-276	21710-187	3717-29	50382	21943	3748
20K	3.11 mi	50142-80	21776-66	3715+2	50188	21894	3727
Half(13.11 mi)	0.68 mi	50540-398	22062-286	3769-54	53179	23949	4074
25K	2.42 mi	51675-1135	22839-777	3891-122	53562	24205	4113
30K	3.11 mi	52446-771	23371-532	3977-86	53641	24269	4121
35K	3.11 mi	52283+163	23276+95	3958+19	50303	22414	3813
40K	3.10 mi	51902+381	23064+212	3922+36	45583	20113	3440
Finish(26.22 mi)	1.37 mi	51582+320	22870+194	3887+35	40550	17570	3095

17570

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