Brian Lasoff

Jacksonville

Bib: 45549 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 (M40-44)

#0 / 4329

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

9:51/mi

30:37

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

9:37/mi

1:00:29

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

9:39/mi

1:30:27

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

10:04/mi

2:01:43

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

10:24/mi

2:08:49

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

10:59/mi

2:35:26

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

11:46/mi

3:12:00

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

13:26/mi

3:53:44

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

14:07/mi

4:37:35

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

12:19/mi

4:54:23

↑ 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

2:08:499:50 /mi⚡ faster

2nd Half

2:45:3412:38 /mi+28.5%

Positive split — 28.5% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	30:37	9:51	3.11 mi	30:37	9:51	-
10K	1:00:29	9:44	3.10 mi	29:52	9:37	-0:14
15K	1:30:27	9:42	3.11 mi	29:58	9:39	+0:02
20K	2:01:43	9:48	3.11 mi	31:16	10:04	+0:25
Half(13.11 mi)	2:08:49	9:50	0.68 mi	7:06	10:24	+0:20
25K	2:35:26	10:00	2.42 mi	26:37	10:59	+0:35
30K	3:12:00	10:18	3.11 mi	36:34	11:46	+0:47
35K	3:53:44	10:45	3.11 mi	41:44	13:26	+1:40
40K	4:37:35	11:10	3.10 mi	43:51	14:07	+0:41
Finish(26.22 mi)	4:54:23	11:14	1.37 mi	16:48	12:19	-1:48

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:37 /mi

Average Pace

11:14 /mi

Slowest Pace

14:07 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:01:43

41% of race

Time at Steady Pace

33:43

11% of race

Time at Slower Pace

2:18:57

47% of race

Average Pace: 11:14 /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	M40-44	Seg. Overall	Seg. Males	Seg. M40-44
5K	3.11 mi	34246	22069	3351	33733	21871	3316
10K	3.10 mi	32965+1281	21456+613	3261+90	31925	20908	3191
15K	3.11 mi	33138-173	21580-124	3282-21	33733	21871	3316
20K	3.11 mi	33522-384	21743-163	3297-15	35071	22375	3357
Half(13.11 mi)	0.68 mi	33537-15	21731+12	3287+10	35051	22202	3334
25K	2.42 mi	34431-894	22065-334	3336-49	38634	23558	3530
30K	3.11 mi	35433-1002	22374-309	3371-35	39325	23453	3509
35K	3.11 mi	37279-1846	23012-638	3459-88	43910	25014	3733
40K	3.10 mi	38704-1425	23427-415	3514-55	44024	24739	3684
Finish(26.22 mi)	1.37 mi	38920-216	23453-26	3520-6	42059	23711	3506

23711

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