Shelby Birtcher

Buffalo Grove

Bib: 41873 F

0:00

0:00

/ mi

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Overall

#0 / 54109

Top 35%

Gender (Female)

#0 / 24561

Top 22%

Division (F30-34)

#0 / 4161

Top 26%

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

8:34/mi

26:36

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

8:37/mi

53:21

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

8:32/mi

1:19:52

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

8:39/mi

1:46:44

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

8:58/mi

1:52:51

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

8:42/mi

2:13:57

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

8:52/mi

2:41:30

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

8:53/mi

3:09:06

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

9:04/mi

3:37:16

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

8:41/mi

3:49:07

↑ 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

1:52:518:36 /mi⚡ faster

2nd Half

1:56:168:52 /mi+3.0%

Positive split — 3.0% 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	26:36	8:34	3.11 mi	26:36	8:34	-
10K	53:21	8:35	3.10 mi	26:45	8:37	+0:03
15K	1:19:52	8:34	3.11 mi	26:31	8:32	-0:05
20K	1:46:44	8:35	3.11 mi	26:52	8:39	+0:07
Half(13.11 mi)	1:52:51	8:36	0.68 mi	6:07	8:58	+0:19
25K	2:13:57	8:37	2.42 mi	21:06	8:42	-0:16
30K	2:41:30	8:40	3.11 mi	27:33	8:52	+0:10
35K	3:09:06	8:42	3.11 mi	27:36	8:53	+0:01
40K	3:37:16	8:44	3.10 mi	28:10	9:04	+0:11
Finish(26.22 mi)	3:49:07	8:45	1.37 mi	11:51	8:41	-0:23

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:32 /mi

Average Pace

8:45 /mi

Slowest Pace

9:04 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:14:50

85% of race

Time at Steady Pace

34:17

15% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:44 /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	20397	5738	1124	21903	6266	1213
10K	3.10 mi	20692-295	5881-143	1152-28	21077	6025	1172
15K	3.11 mi	21047-355	5977-96	1170-18	21903	6266	1213
20K	3.11 mi	21057-10	5980-3	1164+6	21367	6081	1187
Half(13.11 mi)	0.68 mi	21119-62	6015-35	1168-4	23110	6861	1309
25K	2.42 mi	20982+137	5986+29	1163+5	20792	5962	1152
30K	3.11 mi	20615+367	5899+87	1148+15	19829	5787	1132
35K	3.11 mi	19949+666	5704+195	1122+26	17660	5230	1051
40K	3.10 mi	19104+845	5532+172	1093+29	15867	4967	999
Finish(26.22 mi)	1.37 mi	18862+242	5496+36	1099-6	15501	4969	1036

4969

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