Alexander Erf

Chicago

Bib: 25638 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

9:41/mi

30:04

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

9:34/mi

59:48

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

9:34/mi

1:29:30

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

9:43/mi

1:59:42

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

9:49/mi

2:06:24

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

9:53/mi

2:30:21

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

11:01/mi

3:04:35

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

10:20/mi

3:36:41

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

11:03/mi

4:11:01

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

10:09/mi

4:24:51

↑ 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

2:06:249:39 /mi⚡ faster

2nd Half

2:18:2710:34 /mi+9.5%

Positive split — 9.5% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	30:04	9:41	3.11 mi	30:04	9:41	-
10K	59:48	9:37	3.10 mi	29:44	9:34	-0:07
15K	1:29:30	9:36	3.11 mi	29:42	9:34	0:00
20K	1:59:42	9:38	3.11 mi	30:12	9:43	+0:09
Half(13.11 mi)	2:06:24	9:39	0.68 mi	6:42	9:49	+0:06
25K	2:30:21	9:41	2.42 mi	23:57	9:53	+0:04
30K	3:04:35	9:54	3.11 mi	34:14	11:01	+1:08
35K	3:36:41	9:58	3.11 mi	32:06	10:20	-0:41
40K	4:11:01	10:06	3.10 mi	34:20	11:03	+0:43
Finish(26.22 mi)	4:24:51	10:07	1.37 mi	13:50	10:09	-0:54

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:34 /mi

Average Pace

10:07 /mi

Slowest Pace

11:03 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:16:17

74% of race

Time at Steady Pace

1:08:34

26% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:06 /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	32706	21320	3119	32991	21512	3231
10K	3.10 mi	31976+730	20961+359	3113+6	31538	20718	3097
15K	3.11 mi	32270-294	21134-173	3148-35	32991	21512	3231
20K	3.11 mi	32207+63	21105+29	3151-3	32249	21091	3173
Half(13.11 mi)	0.68 mi	32049+158	21017+88	3141+10	30748	20202	3051
25K	2.42 mi	31791+258	20833+184	3124+17	31224	20336	3041
30K	3.11 mi	32341-550	20957-124	3129-5	35324	21732	3219
35K	3.11 mi	31474+867	20368+589	3048+81	28253	18035	2674
40K	3.10 mi	30886+588	19839+529	2961+87	28773	17525	2563
Finish(26.22 mi)	1.37 mi	30643+243	19647+192	2938+23	27502	16758	2555

16758

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