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SF MARATHON 1ST HALF 2023

Cui Zhu

Dublin, CA

Bib: 14270 F 37

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
21:34/mi
29:12
→ flat
6.43M
13:57/mi
1:29:11
↑ 274↓ 78
6.62M
-47:-38/mi
1:20:19
↑ 16
10.65M
12:11/mi
2:09:24
↑ 153↓ 361
Finish· 13.11 mi
12:44/mi
2:40:42
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:20:1912:08 /mi⚖️ balanced
2nd Half
1:20:2312:23 /mi⚖️ balanced
Even split — consistent pacing between halves
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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
29:1213:430.73 mi15:45
21:34
+11:58
6.43M
1:29:1113:524.30 mi59:59
13:57
-7:37
6.62M
1:20:1912:080.19 mi
-47:-38
-61:35
10.65M
2:09:2412:094.03 mi49:05
12:11
+59:49
Finish(13.11 mi)
2:40:4212:162.46 mi31:18
12:44
+0:33
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-48:-38 /mi

Average Pace

12:16 /mi

Slowest Pace

21:34 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:40:42

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 12:15 /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 mi3442127015534421270155
2.13M0.73 mi4127-6851597-327196-4148041978248
6.43M4.30 mi4654-5271872-275226-3048832016248
6.62M0.19 mi4508+1461793+79217+9---
10.65M4.03 mi4769-2611945-152239-2250932166273
Finish(13.11 mi)2.46 mi4885-1162021-76245-653022296300

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 57%
~flat
+3ft-2ft

Overall

3442

Females

1270

F35-39

155

1.40M→2.13M

1.4 - 2.1 mi

Top 79%
~flat
+3ft-1ft

Overall

4804

Females

1978

F35-39

249

2.13M→6.43M

2.1 - 6.4 mi

Top 80%
×17story building
+274ft-78ft

Overall

4883

Females

2016

F35-39

248

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 84%
×21story building
+153ft-361ft

Overall

5093

Females

2166

F35-39

273

10.65M→Finish

10.7 - 13.1 mi

Top 87%
×17story building
+244ft-114ft

Overall

5302

Females

2296

F35-39

300

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#3442
1.40M → 2.13M
70924-685
#3442 → #4127
2.13M → 6.43M
634107*-527
#4127 → #4654
6.43M → 6.62M
8154+146
#4654 → #4508
6.62M → 10.65M
30847*-261
#4508 → #4769
10.65M → Finish
14226*-116
#4769 → #4885
TOTALS
1801358*-1443
#3442 → #4885

* 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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