Samson Zheng

San francisco, CA

Bib: 37466 M 33

0:00

0:00

/ mi

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Overall

#0 / 3682

Top 38%

Gender (Male)

#0 / 1683

Division (M30-34)

#0 / 400

Top 48%

Race Day Weather

60°/50°F

scattered clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Mile 1 · 29 ft

Mile 2 · 33 ft

Mile 4 · 25 ft

Mile 5 · 22 ft

Start

0:00

Race begins

29 ft elev

5K· 3.11 mi

9:46/mi

30:22

↑ 27 ft↓ 30 ft

26 ft elev

Finish· 6.21 mi

11:33/mi

1:06:15

↑ 33 ft↓ 33 ft

26 ft elev

Course Elevation

61ft

Total climb

14ft

Range

20 to 34 ft

63ft

Total descent

About the height of a single-story building

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The Course

Half Splits

1st Half· via 5K

30:229:46 /mi⚡ faster

2nd Half

35:5311:33 /mi+18.2%

Positive split — 18.2% slower in the second half

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Trend	Diff
5K	30:22	9:46	3.11 mi	30:22	9:46		-
Finish(6.21 mi)	1:06:15	10:40	3.10 mi	35:53	11:33		+1:47

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:46 /mi

Average Pace

10:40 /mi

Slowest Pace

11:33 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

30:22

46% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

35:53

54% of race

Average Pace: 10:40 /mi

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Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

Heatmap

0mi1.6mi3.1mi4.7mi6.2mi

Pace:

Faster

Steady

Slower

Checkpoint and Segment Rankings

Checkpoint	Seg. Dist	Overall	Males	M30-34	Seg. Overall	Seg. Males	Seg. M30-34
5K	3.11 mi	1097	704	158	1097	704	158
Finish(6.21 mi)	3.10 mi	1408-311	865-161	190-32	1796	1024	238

Segment Performance Analysis

Start → 5K

0.0 - 3.1 mi

Top 30%

29 ft26 ft

↑ 27ft↓ 30ft

8 ft

Overall

1097

Males

704

M30-34

158

5K→Finish

3.1 - 6.2 mi

Top 49%

26 ft26 ft

↑ 33ft↓ 33ft

9 ft

Overall

1796

Males

1024

M30-34

238

Passing Analysis

No position changes recorded for this athlete.

All Results

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Official Timing Data

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Race managed by

The San Francisco Marathon