Jefferson Lacson

Doha

Bib: 31758 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 (M50-54)

#0 / 2876

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

9:23/mi

29:09

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

9:28/mi

58:33

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

9:04/mi

1:26:42

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

9:24/mi

1:55:54

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

9:32/mi

2:02:24

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

9:40/mi

2:25:51

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

10:22/mi

2:58:02

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

10:40/mi

3:31:10

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

11:25/mi

4:06:37

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

11:41/mi

4:22:33

↑ 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

2:02:249:20 /mi⚡ faster

2nd Half

2:20:0910:41 /mi+14.5%

Positive split — 14.5% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	29:09	9:23	3.11 mi	29:09	9:23	-
10K	58:33	9:25	3.10 mi	29:24	9:28	+0:05
15K	1:26:42	9:18	3.11 mi	28:09	9:04	-0:24
20K	1:55:54	9:20	3.11 mi	29:12	9:24	+0:20
Half(13.11 mi)	2:02:24	9:20	0.68 mi	6:30	9:32	+0:08
25K	2:25:51	9:23	2.42 mi	23:27	9:40	+0:08
30K	2:58:02	9:33	3.11 mi	32:11	10:22	+0:42
35K	3:31:10	9:43	3.11 mi	33:08	10:40	+0:18
40K	4:06:37	9:55	3.10 mi	35:27	11:25	+0:45
Finish(26.22 mi)	4:22:33	10:01	1.37 mi	15:56	11:41	+0:16

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:04 /mi

Average Pace

10:01 /mi

Slowest Pace

11:41 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

28:09

11% of race

Time at Steady Pace

1:57:42

45% of race

Time at Slower Pace

1:56:42

44% of race

Average Pace: 10:01 /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	M50-54	Seg. Overall	Seg. Males	Seg. M50-54
5K	3.11 mi	29894	19908	1828	28370	19230	1726
10K	3.10 mi	30136-242	20022-114	1832-4	30557	20243	1852
15K	3.11 mi	29521+615	19765+257	1800+32	28370	19230	1726
20K	3.11 mi	29524-3	19763+2	1789+11	29637	19828	1797
Half(13.11 mi)	0.68 mi	29436+88	19709+54	1784+5	28490	19121	1725
25K	2.42 mi	29437-1	19665+44	1781+3	29722	19632	1785
30K	3.11 mi	29624-187	19636+29	1791-10	31303	19982	1842
35K	3.11 mi	29526+98	19423+213	1761+30	30271	18971	1737
40K	3.10 mi	29550-24	19182+241	1748+13	30907	18483	1697
Finish(26.22 mi)	1.37 mi	29991-441	19338-156	1763-15	38520	21974	2015

21974

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