Leonid Yerzin

Naperville

Bib: 35868 M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Top 42%

Gender (Male)

#0 / 29548

Masters (Masters Men)

#0 / 14666

Top 48%

Division (M45-49)

#0 / 3637

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

8:25/mi

26:08

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

7:55/mi

50:43

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

7:48/mi

1:14:56

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

7:46/mi

1:39:04

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

7:50/mi

1:44:25

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

7:50/mi

2:03:24

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

8:13/mi

2:28:57

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

12:33/mi

3:07:58

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

11:14/mi

3:42:53

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

11:28/mi

3:58:31

↑ 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

1:44:257:58 /mi⚡ faster

2nd Half

2:14:0610:14 /mi+28.4%

Positive split — 28.4% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	26:08	8:25	3.11 mi	26:08	8:25	-
10K	50:43	8:10	3.10 mi	24:35	7:55	-0:30
15K	1:14:56	8:02	3.11 mi	24:13	7:48	-0:07
20K	1:39:04	7:58	3.11 mi	24:08	7:46	-0:02
Half(13.11 mi)	1:44:25	7:58	0.68 mi	5:21	7:50	+0:04
25K	2:03:24	7:57	2.42 mi	18:59	7:50	0:00
30K	2:28:57	7:59	3.11 mi	25:33	8:13	+0:23
35K	3:07:58	8:39	3.11 mi	39:01	12:33	+4:20
40K	3:42:53	8:58	3.10 mi	34:55	11:14	-1:19
Finish(26.22 mi)	3:58:31	9:06	1.37 mi	15:38	11:28	+0:14

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:46 /mi

Average Pace

9:06 /mi

Slowest Pace

12:33 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:28:57

62% of race

Time at Slower Pace

1:29:34

38% of race

Average Pace: 9:06 /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	M45-49	Seg. Overall	Seg. Males	Seg. M45-49
5K	3.11 mi	18897	13758	1754	13956	10745	1376
10K	3.10 mi	16565+2332	12330+1428	1554+200	14046	10723	1386
15K	3.11 mi	15741+824	11853+477	1499+55	13956	10745	1376
20K	3.11 mi	14824+917	11269+584	1439+60	12396	9738	1227
Half(13.11 mi)	0.68 mi	14620+204	11121+148	1425+14	12093	9532	1195
25K	2.42 mi	14195+425	10852+269	1385+40	12465	9728	1222
30K	3.11 mi	14095+100	10779+73	1369+16	14129	10642	1319
35K	3.11 mi	19469-5374	13951-3172	1739-370	40439	23495	2897
40K	3.10 mi	21378-1909	14844-893	1840-101	29934	18020	2253
Finish(26.22 mi)	1.37 mi	22486-1108	15396-552	1918-78	37167	21327	2607

21327

Passing Analysis

No position changes recorded for this athlete.

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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