Cher Duffield

Brookline, MA

Bib: 1631 F 51

0:00
0:00
/ mi
Masters
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Overall
#0 / 7639
Top 10%
Gender (Female)
#0 / 4024
Top 4%
Masters (Masters Women)
#0 / 1201
Top 2%
Division (F50-54)
#0 / 210
Top 1%
Race Day Weather
93°/83°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Mile 1
Mile 2
Mile 4
Start
0:00
Race begins
5K· 3.11 mi
7:27/mi
23:07
↑ 95↓ 105
8K· 4.97 mi
7:25/mi
36:56
↑ 49↓ 43
FINISH· 6.21 mi
7:21/mi
46:04
↑ 38↓ 28
Course Elevation
195ft
Total climb
49ft
Range
69 to 118 ft
176ft
Total descent
About the height of a four-story building

The Course

Half Splits

1st Half· via 5K
23:077:27 /mi⚖️ balanced
2nd Half
22:577:24 /mi⚖️ balanced
Even split — consistent pacing between halves
AI Race Performance Report

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Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
23:077:273.11 mi23:07
7:27
-
8K
36:567:261.86 mi13:49
7:25
-0:02
FINISH(6.21 mi)
46:047:251.24 mi9:08
7:21
-0:04
Trend:
Faster pace
Steady pace
Slower pace
More below

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing