James Tsai

SF, CA

Bib: 47177 M 41

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 1903

Top 21%

Gender (Male)

#0 / 909

Top 33%

Masters (Masters Men)

#0 / 327

Top 29%

Division (M40-44)

#0 / 106

Top 33%

Race Day Weather

60°/50°F

few clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Mile 0.5 · 20 ft

Mile 1.0 · 17 ft

Mile 2.0 · 13 ft

Mile 2.5 · 13 ft

Start

0:00

Race begins

23 ft elev

2.5K· 1.55 mi

10:15/mi

15:56

↓ 12 ft0.1% grade

14 ft elev

Finish· 3.11 mi

8:31/mi

29:10

→ flat

10 ft elev

Course Elevation

9ft

Total climb

13ft

Range

10 to 23 ft

22ft

Total descent

About the height of a single-story building

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The Course

Half Splits

1st Half· via 2.5K

15:5610:15 /mi+16.9%

2nd Half

13:148:31 /mi✓ faster

Negative split — 16.9% faster in the second half

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Trend	Diff
2.5K	15:56	10:15	1.55 mi	15:56	10:15		-
Finish(3.11 mi)	29:10	9:23	1.56 mi	13:14	8:31		-1:44

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:31 /mi

Average Pace

9:23 /mi

Slowest Pace

10:15 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

13:14

45% of race

Time at Steady Pace

15:56

55% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:23 /mi

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Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

Heatmap

0mi0.8mi1.6mi2.3mi3.1mi

Pace:

Faster

Steady

Slower

Checkpoint and Segment Rankings

Checkpoint	Seg. Dist	Overall	Males	M40-44	Seg. Overall	Seg. Males	Seg. M40-44
2.5K	1.55 mi	656	433	49	656	433	49
Finish(3.11 mi)	1.56 mi	403+253	298+135	35+14	248	198	24

Segment Performance Analysis

Start → 2.5K

0.0 - 1.6 mi

Top 34%

23 ft13 ft

↑ 2ft↓ 12ft

10 ft

Overall

656

Males

433

M40-44

2.5K→Finish

1.6 - 3.1 mi

Top 13%

16 ft13 ft

↑ 3ft↓ 7ft

3 ft

Overall

248

Males

198

M40-44

Passing Analysis

No position changes recorded for this athlete.

All Results

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Race managed by

The San Francisco Marathon