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SF MARATHON 1ST HALF 2023

Yuchi Liu

San Francisco, CA

Bib: 13090 F 42

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Gender (Female)
#0 / 2732
Masters (Masters Women)
#0 / 746
Division (F40-44)
#0 / 268
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
15:27/mi
21:38
→ flat
2.13M
20:35/mi
36:40
→ flat
6.43M
12:48/mi
1:31:44
↑ 274↓ 78
6.62M
-40:-48/mi
1:24:10
↑ 16
10.65M
10:44/mi
2:07:26
↑ 153↓ 361
Finish· 13.11 mi
10:37/mi
2:33:33
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:24:1012:43 /mi+17.6%
2nd Half
1:09:2310:42 /mi✓ faster
Negative split — 17.6% 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
21:3815:271.40 mi21:38
15:27
-
2.13M
36:4017:130.73 mi15:02
20:35
+5:08
6.43M
1:31:4414:164.30 mi55:04
12:48
-7:47
6.62M
1:24:1012:430.19 mi
-40:-48
-53:36
10.65M
2:07:2611:584.03 mi43:16
10:44
+51:32
Finish(13.11 mi)
2:33:3311:432.46 mi26:07
10:37
-0:07
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-41:-48 /mi

Average Pace

11:43 /mi

Slowest Pace

20:35 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:33:33

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:43 /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. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
1.40M1.40 mi5941264524759412645247
2.13M0.73 mi5792+1492538+107236+1142101667147
6.43M4.30 mi4943+8492035+503179+5739481517137
6.62M0.19 mi4974-312055-20180-1---
10.65M4.03 mi4611+3631859+196162+1838921519134
Finish(13.11 mi)2.46 mi4461+1501791+68152+1039281565134

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 98%
~flat
+3ft-2ft

Overall

5941

Females

2645

F40-44

247

1.40M→2.13M

1.4 - 2.1 mi

Top 69%
~flat
+3ft-1ft

Overall

4210

Females

1667

F40-44

147

2.13M→6.43M

2.1 - 6.4 mi

Top 65%
×17story building
+274ft-78ft

Overall

3948

Females

1517

F40-44

137

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F40-44

-

6.62M→10.65M

6.6 - 10.7 mi

Top 64%
×21story building
+153ft-361ft

Overall

3892

Females

1519

F40-44

134

10.65M→Finish

10.7 - 13.1 mi

Top 65%
×17story building
+244ft-114ft

Overall

3928

Females

1565

F40-44

134

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#5941
1.40M → 2.13M
13162*+149
#5941 → #5792
2.13M → 6.43M
28877*+849
#5792 → #4943
6.43M → 6.62M
8049-31
#4943 → #4974
6.62M → 10.65M
28391*+363
#4974 → #4611
10.65M → Finish
28178*+150
#4611 → #4461
TOTALS
1771657*+1480
#5941 → #4461

* 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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The San Francisco Marathon

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