Alexandra Shaw

Menlo Park, CA

Bib: 15991 F 19

0:00
0:00
/ mi
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Overall
#0 / 5177
Top 19%
Gender (Female)
#0 / 2293
Top 10%
F19 & Under
#0 / 50
Top 22%
Race Day Weather
56°/46°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2.13M
11:40/mi
24:52
→ flat
6.62M
8:55/mi
1:04:55
29978
7.12M
10:42/mi
1:10:16
27
10.65M
7:50/mi
1:37:54
127360
Finish· 13.11 mi
7:33/mi
1:56:28
244114
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:04:559:48 /mi+20.6%
2nd Half
51:337:57 /mi✓ faster
Negative split — 20.6% faster in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2.13M
24:5211:402.13 mi24:52
11:40
-
6.62M
1:04:559:484.49 mi40:03
8:55
-2:45
7.12M
1:10:169:520.50 mi5:21
10:42
+1:47
10.65M
1:37:549:123.53 mi27:38
7:50
-2:52
Finish(13.11 mi)
1:56:288:532.46 mi18:34
7:33
-0:17
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:33 /mi

Average Pace

8:53 /mi

Slowest Pace

11:40 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

46:12

40% of race

Time at Steady Pace

40:03

34% of race

Time at Slower Pace

30:13

26% of race

Average Pace: 8:53 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF19 & UnderSeg. OverallSeg. FemalesSeg. F19 & Under
2.13M2.13 mi168447419168447419
6.62M4.49 mi1546+138416+5817+2149039315
7.12M0.50 mi1414+132362+5416+169512611
10.65M3.53 mi1146+268269+9311+56841359
Finish(13.11 mi)2.46 mi1006+140235+341162312310

Segment Performance Analysis

Start → 2.13M

0.0 - 2.1 mi

Top 33%
~flat
+6ft-3ft

Overall

1684

Females

474

F15-19

18

2.13M→6.62M

2.1 - 6.6 mi

Top 29%
×19story building
+299ft-78ft

Overall

1490

Females

393

F15-19

14

6.62M→7.12M

6.6 - 7.1 mi

Top 13%
×2story building
+27ft-0ft

Overall

695

Females

126

F15-19

11

7.12M→10.65M

7.1 - 10.7 mi

Top 13%
×21story building
+127ft-360ft

Overall

684

Females

135

F15-19

9

10.65M→Finish

10.7 - 13.1 mi

Top 12%
×17story building
+244ft-114ft

Overall

623

Females

123

F15-19

10

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2.13M-#1684
2.13M6.62M
83221*+138
#1684 #1546
6.62M7.12M
2134+132
#1546 #1414
7.12M10.65M
4272*+268
#1414 #1146
10.65MFinish
1141*+140
#1146 #1006
TOTALS
90768*+678
#1684 #1006

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Visualized

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Passing Circle

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Position Flow

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Race Lanes

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events