Alisa Lai

Castro Valley, CA

Bib: 45904 F 42

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 1903

Gender (Female)

#0 / 984

Masters (Masters Women)

#0 / 339

Division (F40-44)

#0 / 101

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

16:06/mi

25:00

↓ 12 ft0.1% grade

14 ft elev

Finish· 3.11 mi

13:23/mi

45:47

→ 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

25:0016:06 /mi+16.9%

2nd Half

20:4713:23 /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	25:00	16:06	1.55 mi	25:00	16:06		-
Finish(3.11 mi)	45:47	14:44	1.56 mi	20:47	13:23		-2:43

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

13:23 /mi

Average Pace

14:44 /mi

Slowest Pace

16:06 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

20:47

45% of race

Time at Steady Pace

25:00

55% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 14:43 /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	Females	F40-44	Seg. Overall	Seg. Females	Seg. F40-44
2.5K	1.55 mi	1701	856	88	1701	856	88
Finish(3.11 mi)	1.56 mi	1543+158	750+106	77+11	1320	601	63

Segment Performance Analysis

Start → 2.5K

0.0 - 1.6 mi

Top 89%

23 ft13 ft

↑ 2ft↓ 12ft

10 ft

Overall

1701

Females

856

F40-44

2.5K→Finish

1.6 - 3.1 mi

Top 69%

16 ft13 ft

↑ 3ft↓ 7ft

3 ft

Overall

1320

Females

601

F40-44

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