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SF MARATHON 1ST HALF 2023

Linda Xiao

Corona, CA

Bib: 11943 F 27

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Female)
#0 / 2732
Division (F25-29)
#0 / 629
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
8:09/mi
11:24
→ flat
2.13M
18:34/mi
24:57
→ flat
6.43M
11:54/mi
1:16:07
↑ 274↓ 78
6.62M
-35:-1/mi
1:09:39
↑ 16
10.65M
12:01/mi
1:58:03
↑ 153↓ 361
Finish· 13.11 mi
13:05/mi
2:30:14
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:09:3910:31 /mi⚡ faster
2nd Half
1:20:3512:25 /mi+15.7%
Positive split — 15.7% slower 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
11:248:091.40 mi11:24
8:09
-
2.13M
24:5711:430.73 mi13:33
18:34
+10:25
6.43M
1:16:0711:504.30 mi51:10
11:54
-6:40
6.62M
1:09:3910:310.19 mi
-35:-1
-46:55
10.65M
1:58:0311:054.03 mi48:24
12:01
+47:02
Finish(13.11 mi)
2:30:1411:282.46 mi32:11
13:05
+1:04
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-36:-1 /mi

Average Pace

11:28 /mi

Slowest Pace

18:34 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:30:14

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:28 /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 mi105827985105827985
2.13M0.73 mi1731-673528-249151-662622885244
6.43M4.30 mi2532-801836-308235-8430231072297
6.62M0.19 mi2574-42854-18239-4---
10.65M4.03 mi3667-10931379-525369-13049932099525
Finish(13.11 mi)2.46 mi4226-5591661-282432-6354302364569

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 17%
~flat
+3ft-2ft

Overall

1058

Females

279

F25-29

86

1.40M→2.13M

1.4 - 2.1 mi

Top 43%
~flat
+3ft-1ft

Overall

2622

Females

885

F25-29

248

2.13M→6.43M

2.1 - 6.4 mi

Top 50%
×17story building
+274ft-78ft

Overall

3023

Females

1072

F25-29

297

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 82%
×21story building
+153ft-361ft

Overall

4993

Females

2099

F25-29

525

10.65M→Finish

10.7 - 13.1 mi

Top 89%
×17story building
+244ft-114ft

Overall

5430

Females

2364

F25-29

569

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#1058
1.40M → 2.13M
6774-673
#1058 → #1731
2.13M → 6.43M
82726*-801
#1731 → #2532
6.43M → 6.62M
9452-42
#2532 → #2574
6.62M → 10.65M
10985*-1093
#2574 → #3667
10.65M → Finish
5678*-559
#3667 → #4226
TOTALS
326395*-3168
#1058 → #4226

* 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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