Alexandra Roberts

SF, CA

Bib: 46290 F 23

0:00

0:00

/ mi

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Overall

#0 / 1903

Gender (Female)

#0 / 984

Top 43%

F20-29

#0 / 75

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

11:18/mi

17:33

↓ 12 ft0.1% grade

14 ft elev

Finish· 3.11 mi

12:24/mi

36:49

→ 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

17:3311:18 /mi⚡ faster

2nd Half

19:1612:24 /mi+9.8%

Positive split — 9.8% slower in the second half

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Trend	Diff
2.5K	17:33	11:18	1.55 mi	17:33	11:18		-
Finish(3.11 mi)	36:49	11:51	1.56 mi	19:16	12:24		+1:06

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

11:18 /mi

Average Pace

11:51 /mi

Slowest Pace

12:24 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

17:33

48% of race

Time at Steady Pace

19:16

52% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:50 /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	F20-29	Seg. Overall	Seg. Females	Seg. F20-29
2.5K	1.55 mi	973	380	37	973	380	37
Finish(3.11 mi)	1.56 mi	1053-80	421-41	39-2	1122	468	43

Segment Performance Analysis

Start → 2.5K

0.0 - 1.6 mi

Top 51%

23 ft13 ft

↑ 2ft↓ 12ft

10 ft

Overall

973

Females

380

F20-24

2.5K→Finish

1.6 - 3.1 mi

Top 59%

16 ft13 ft

↑ 3ft↓ 7ft

3 ft

Overall

1122

Females

468

F20-24

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