Chengyu Guan

Los Altos

Bib: 18930 M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Top 12%

Gender (Male)

#0 / 29548

Top 19%

Masters (Masters Men)

#0 / 14666

Top 15%

Division (M45-49)

#0 / 3637

Top 19%

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

7:01/mi

21:49

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

7:09/mi

44:03

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

7:06/mi

1:06:08

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

8:03/mi

1:31:09

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

7:17/mi

1:36:07

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

7:11/mi

1:53:32

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

7:18/mi

2:16:13

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

7:24/mi

2:39:13

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

7:33/mi

3:02:39

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

7:22/mi

3:12:42

↑ 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

1:36:077:20 /mi⚖️ balanced

2nd Half

1:36:357:22 /mi⚖️ balanced

Even split — consistent pacing between halves

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	21:49	7:01	3.11 mi	21:49	7:01	-
10K	44:03	7:05	3.10 mi	22:14	7:09	+0:08
15K	1:06:08	7:06	3.11 mi	22:05	7:06	-0:03
20K	1:31:09	7:20	3.11 mi	25:01	8:03	+0:57
Half(13.11 mi)	1:36:07	7:20	0.68 mi	4:58	7:17	-0:46
25K	1:53:32	7:19	2.42 mi	17:25	7:11	-0:06
30K	2:16:13	7:18	3.11 mi	22:41	7:18	+0:07
35K	2:39:13	7:19	3.11 mi	23:00	7:24	+0:06
40K	3:02:39	7:21	3.10 mi	23:26	7:33	+0:09
Finish(26.22 mi)	3:12:42	7:21	1.37 mi	10:03	7:22	-0:11

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:01 /mi

Average Pace

7:21 /mi

Slowest Pace

8:03 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:47:41

87% of race

Time at Steady Pace

25:01

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:21 /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	6684	5847	673	7440	6422	769
10K	3.10 mi	6947-263	6036-189	710-37	7235	6249	745
15K	3.11 mi	7089-142	6145-109	734-24	7440	6422	769
20K	3.11 mi	8627-1538	7242-1097	914-180	15434	11701	1467
Half(13.11 mi)	0.68 mi	8540+87	7173+69	905+9	7271	6264	732
25K	2.42 mi	8251+289	6972+201	875+30	6878	5933	696
30K	3.11 mi	7853+398	6663+309	823+52	6569	5619	656
35K	3.11 mi	7416+437	6303+360	768+55	6073	5148	591
40K	3.10 mi	6895+521	5833+470	703+65	5619	4602	510
Finish(26.22 mi)	1.37 mi	6740+155	5687+146	682+21	5686	4559	484

4559

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