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SF MARATHON 1ST HALF 2023

Ziyi Yang

Santa Clara, CA

Bib: 13211 F 35

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Female)
#0 / 2732
Division (F35-39)
#0 / 359
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
9:36/mi
13:27
→ flat
2.13M
21:38/mi
29:15
→ flat
6.43M
12:45/mi
1:24:03
↑ 274↓ 78
6.62M
-42:-1/mi
1:16:15
↑ 16
10.65M
11:38/mi
2:03:08
↑ 153↓ 361
Finish· 13.11 mi
10:04/mi
2:27:52
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:16:1511:31 /mi+6.1%
2nd Half
1:11:3711:02 /mi✓ faster
Negative split — 6.1% 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
13:279:361.40 mi13:27
9:36
-
2.13M
29:1513:440.73 mi15:48
21:38
+12:02
6.43M
1:24:0313:044.30 mi54:48
12:45
-8:53
6.62M
1:16:1511:310.19 mi
-42:-1
-54:46
10.65M
2:03:0811:344.03 mi46:53
11:38
+53:39
Finish(13.11 mi)
2:27:5211:172.46 mi24:44
10:04
-1:34
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-43:-1 /mi

Average Pace

11:17 /mi

Slowest Pace

21:38 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:27:52

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:17 /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. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
1.40M1.40 mi3436126715334361267153
2.13M0.73 mi4151-7151610-343198-4548382000251
6.43M4.30 mi3901+2501476+134182+1638991493183
6.62M0.19 mi3840+611453+23176+6---
10.65M4.03 mi4205-3651637-184207-3147281938247
Finish(13.11 mi)2.46 mi4055+1501580+57200+734051299157

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 57%
~flat
+3ft-2ft

Overall

3436

Females

1267

F35-39

153

1.40M→2.13M

1.4 - 2.1 mi

Top 80%
~flat
+3ft-1ft

Overall

4838

Females

2000

F35-39

252

2.13M→6.43M

2.1 - 6.4 mi

Top 64%
×17story building
+274ft-78ft

Overall

3899

Females

1493

F35-39

183

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F35-39

-

6.62M→10.65M

6.6 - 10.7 mi

Top 78%
×21story building
+153ft-361ft

Overall

4728

Females

1938

F35-39

247

10.65M→Finish

10.7 - 13.1 mi

Top 56%
×17story building
+244ft-114ft

Overall

3405

Females

1299

F35-39

157

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#3436
1.40M → 2.13M
73722-715
#3436 → #4151
2.13M → 6.43M
180430*+250
#4151 → #3901
6.43M → 6.62M
3495+61
#3901 → #3840
6.62M → 10.65M
38722*-365
#3840 → #4205
10.65M → Finish
33183*+150
#4205 → #4055
TOTALS
1371752*-619
#3436 → #4055

* 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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