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SF MARATHON 1ST HALF 2023

Cindy Chan

Fremont, CA

Bib: 14373 F 26

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 35%
Gender (Female)
#0 / 2732
Top 25%
Division (F25-29)
#0 / 629
Top 31%
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
9:13/mi
12:54
→ flat
2.13M
19:20/mi
27:01
→ flat
6.43M
11:41/mi
1:17:17
↑ 274↓ 78
6.62M
-31:-57/mi
1:11:24
↑ 16
10.65M
9:14/mi
1:48:35
↑ 153↓ 361
Finish· 13.11 mi
8:04/mi
2:08:26
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:11:2410:47 /mi+20.1%
2nd Half
57:028:47 /mi✓ faster
Negative split — 20.1% 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
12:549:131.40 mi12:54
9:13
-
2.13M
27:0112:410.73 mi14:07
19:20
+10:07
6.43M
1:17:1712:014.30 mi50:16
11:41
-7:39
6.62M
1:11:2410:470.19 mi
-31:-57
-43:38
10.65M
1:48:3510:124.03 mi37:11
9:14
+41:11
Finish(13.11 mi)
2:08:269:482.46 mi19:51
8:04
-1:10
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-32:-57 /mi

Average Pace

9:48 /mi

Slowest Pace

19:20 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:08:26

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:48 /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. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
1.40M1.40 mi27459412582745941258
2.13M0.73 mi2909-1641025-84276-1832351171319
6.43M4.30 mi2742+167928+97263+132770955267
6.62M0.19 mi2944-2021035-107289-26---
10.65M4.03 mi2510+434830+205243+461948593162
Finish(13.11 mi)2.46 mi2153+357688+142192+51109128075

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 45%
~flat
+3ft-2ft

Overall

2745

Females

941

F25-29

259

1.40M→2.13M

1.4 - 2.1 mi

Top 53%
~flat
+3ft-1ft

Overall

3235

Females

1171

F25-29

324

2.13M→6.43M

2.1 - 6.4 mi

Top 46%
×17story building
+274ft-78ft

Overall

2770

Females

955

F25-29

267

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F25-29

-

6.62M→10.65M

6.6 - 10.7 mi

Top 32%
×21story building
+153ft-361ft

Overall

1948

Females

593

F25-29

162

10.65M→Finish

10.7 - 13.1 mi

Top 18%
×17story building
+244ft-114ft

Overall

1091

Females

280

F25-29

75

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#2745
1.40M → 2.13M
271107-164
#2745 → #2909
2.13M → 6.43M
178345*+167
#2909 → #2742
6.43M → 6.62M
22018-202
#2742 → #2944
6.62M → 10.65M
24458*+434
#2944 → #2510
10.65M → Finish
5362*+357
#2510 → #2153
TOTALS
6981290*+592
#2745 → #2153

* 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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Public Race Data

The San Francisco Marathon

The San Francisco Marathon

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