Brittany Ong

Daly City, CA

Bib: 45362 F 32

0:00
0:00
/ mi
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Overall
#0 / 1903
Gender (Female)
#0 / 984
Division (F30-34)
#0 / 181
Top 49%
Race Day Weather
60°/50°F
few clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Mile 0.5
Mile 1.0
Mile 2.0
Mile 2.5
Start
0:00
Race begins
2.5K· 1.55 mi
12:33/mi
19:30
12
Finish· 3.11 mi
12:25/mi
38:47
→ flat
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
19:3012:33 /mi+1.1%
2nd Half
19:1712:25 /mi✓ faster
Negative split — 1.1% faster in the second half

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2.5K
19:3012:331.55 mi19:30
12:33
-
Finish(3.11 mi)
38:4712:291.56 mi19:17
12:25
-0:08
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

12:25 /mi

Average Pace

12:29 /mi

Slowest Pace

12:33 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

38:47

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 12:28 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi0.8mi1.6mi2.3mi3.1mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2.5K1.55 mi12635551041263555104
Finish(3.11 mi)1.56 mi1199+64513+4289+15112947384

Segment Performance Analysis

Start → 2.5K

0.0 - 1.6 mi

Top 66%
23 ft13 ft
2ft12ft
10 ft

Overall

1263

Females

555

F30-34

104

2.5K→Finish

1.6 - 3.1 mi

Top 59%
16 ft13 ft
3ft7ft
3 ft

Overall

1129

Females

473

F30-34

84

Passing Analysis

No position changes recorded for this athlete.

Official Timing Data

The San Francisco Marathon

The San Francisco Marathon