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SF MARATHON 1ST HALF 2023

Hartley West

Greenbrae, CA

Bib: 16961 F 50

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Top 33%
Gender (Female)
#0 / 2732
Top 23%
Masters (Masters Women)
#0 / 746
Top 13%
Division (F50-54)
#0 / 145
Top 12%
Race Day Weather
60°/50°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.40M
9:09/mi
12:49
→ flat
2.13M
18:14/mi
26:08
→ flat
6.43M
11:07/mi
1:13:56
↑ 274↓ 78
6.62M
-33:-15/mi
1:07:48
↑ 16
10.65M
9:20/mi
1:45:23
↑ 153↓ 361
Finish· 13.11 mi
8:49/mi
2:07:03
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:07:4810:14 /mi+12.6%
2nd Half
59:159:08 /mi✓ faster
Negative split — 12.6% 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
1.40M
12:499:091.40 mi12:49
9:09
-
2.13M
26:0812:160.73 mi13:19
18:14
+9:05
6.43M
1:13:5611:304.30 mi47:48
11:07
-7:07
6.62M
1:07:4810:140.19 mi
-33:-15
-44:22
10.65M
1:45:239:544.03 mi37:35
9:20
+42:35
Finish(13.11 mi)
2:07:039:422.46 mi21:40
8:49
-0:31
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-34:-15 /mi

Average Pace

9:42 /mi

Slowest Pace

18:14 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:07:03

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:41 /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. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
1.40M1.40 mi264989527264989527
2.13M0.73 mi2414+235792+10323+4231876323
6.43M4.30 mi2125+289667+12520+3207365420
6.62M0.19 mi2189-64690-2320---
10.65M4.03 mi2073+116654+3618+2207165321
Finish(13.11 mi)2.46 mi2004+69633+2117+1192560518

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 44%
~flat
+3ft-2ft

Overall

2649

Females

895

F50-54

27

1.40M→2.13M

1.4 - 2.1 mi

Top 38%
~flat
+3ft-1ft

Overall

2318

Females

763

F50-54

24

2.13M→6.43M

2.1 - 6.4 mi

Top 34%
×17story building
+274ft-78ft

Overall

2073

Females

654

F50-54

20

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F50-54

-

6.62M→10.65M

6.6 - 10.7 mi

Top 34%
×21story building
+153ft-361ft

Overall

2071

Females

653

F50-54

21

10.65M→Finish

10.7 - 13.1 mi

Top 32%
×17story building
+244ft-114ft

Overall

1925

Females

605

F50-54

18

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#2649
1.40M → 2.13M
73308+235
#2649 → #2414
2.13M → 6.43M
110399*+289
#2414 → #2125
6.43M → 6.62M
9632-64
#2125 → #2189
6.62M → 10.65M
66182*+116
#2189 → #2073
10.65M → Finish
52121*+69
#2073 → #2004
TOTALS
3971042*+645
#2649 → #2004

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

Passing Visualized

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Public Race Data

The San Francisco Marathon

The San Francisco Marathon

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