James Dorfman

Lake Zurich

Bib: 60115 M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Gender (Male)

#0 / 29548

Masters (Masters Men)

#0 / 14666

Division (M70-74)

#0 / 161

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

12:47/mi

39:42

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

14:44/mi

1:25:29

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

13:58/mi

2:08:52

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

14:41/mi

2:54:29

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

15:12/mi

3:04:51

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

15:54/mi

3:43:24

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

15:59/mi

4:33:03

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

16:15/mi

5:23:33

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

16:49/mi

6:15:47

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

16:04/mi

6:37:42

↑ 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

3:04:5114:06 /mi⚡ faster

2nd Half

3:32:5116:14 /mi+15.1%

Positive split — 15.1% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	39:42	12:47	3.11 mi	39:42	12:47	-
10K	1:25:29	13:45	3.10 mi	45:47	14:44	+1:57
15K	2:08:52	13:50	3.11 mi	43:23	13:58	-0:46
20K	2:54:29	14:02	3.11 mi	45:37	14:41	+0:43
Half(13.11 mi)	3:04:51	14:06	0.68 mi	10:22	15:12	+0:31
25K	3:43:24	14:23	2.42 mi	38:33	15:54	+0:42
30K	4:33:03	14:39	3.11 mi	49:39	15:59	+0:05
35K	5:23:33	14:53	3.11 mi	50:30	16:15	+0:16
40K	6:15:47	15:07	3.10 mi	52:14	16:49	+0:34
Finish(26.22 mi)	6:37:42	15:11	1.37 mi	21:55	16:04	-0:45

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

12:47 /mi

Average Pace

15:11 /mi

Slowest Pace

16:49 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:04:51

46% of race

Time at Steady Pace

2:40:37

40% of race

Time at Slower Pace

52:14

13% of race

Average Pace: 15:10 /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	M70-74	Seg. Overall	Seg. Males	Seg. M70-74
5K	3.11 mi	51845	28926	143	52644	29159	150
10K	3.10 mi	52695-850	29200-274	154-11	53010	29292	153
15K	3.11 mi	52733-38	29211-11	152+2	52644	29159	150
20K	3.11 mi	52684+49	29194+17	153-1	52355	29052	140
Half(13.11 mi)	0.68 mi	52653+31	29178+16	152+1	51649	28717	135
25K	2.42 mi	52709-56	29184-6	151+1	52480	28982	148
30K	3.11 mi	52633+76	29138+46	149+2	51757	28632	135
35K	3.11 mi	52591+42	29114+24	147+2	51651	28494	130
40K	3.10 mi	52623-32	29105+9	144+3	51599	28368	131
Finish(26.22 mi)	1.37 mi	52702-79	29123-18	146-2	52256	28676	135

28676

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