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SF MARATHON 1ST HALF 2023

Michelle Xiong

Riverside, CT

Bib: 13207 F 23

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Female)
#0 / 2732
Top 45%
F20-29
#0 / 376
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
9:20/mi
13:04
→ flat
2.13M
19:30/mi
27:18
→ flat
6.43M
13:17/mi
1:24:23
↑ 274↓ 78
6.62M
-39:-29/mi
1:17:04
↑ 16
10.65M
9:44/mi
1:56:18
↑ 153↓ 361
Finish· 13.11 mi
9:40/mi
2:20:03
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:17:0411:38 /mi+18.3%
2nd Half
1:02:599:42 /mi✓ faster
Negative split — 18.3% 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
13:049:201.40 mi13:04
9:20
-
2.13M
27:1812:490.73 mi14:14
19:30
+10:10
6.43M
1:24:2313:074.30 mi57:05
13:17
-6:13
6.62M
1:17:0411:380.19 mi
-39:-29
-52:46
10.65M
1:56:1810:554.03 mi39:14
9:44
+49:13
Finish(13.11 mi)
2:20:0310:412.46 mi23:45
9:40
-0:04
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-40:-29 /mi

Average Pace

10:41 /mi

Slowest Pace

19:30 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:20:03

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:41 /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. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
1.40M1.40 mi2948103218729481032187
2.13M0.73 mi3075-1271104-72198-1133671233214
6.43M4.30 mi3953-8781505-401250-5243201692275
6.62M0.19 mi3962-91506-1251-1---
10.65M4.03 mi3466+4961278+228218+332623896171
Finish(13.11 mi)2.46 mi3345+1211233+45219-129331074204

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 49%
~flat
+3ft-2ft

Overall

2948

Females

1032

F20-24

187

1.40M→2.13M

1.4 - 2.1 mi

Top 55%
~flat
+3ft-1ft

Overall

3367

Females

1233

F20-24

214

2.13M→6.43M

2.1 - 6.4 mi

Top 71%
×17story building
+274ft-78ft

Overall

4320

Females

1692

F20-24

275

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F20-24

-

6.62M→10.65M

6.6 - 10.7 mi

Top 43%
×21story building
+153ft-361ft

Overall

2623

Females

896

F20-24

171

10.65M→Finish

10.7 - 13.1 mi

Top 48%
×17story building
+244ft-114ft

Overall

2933

Females

1074

F20-24

204

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#2948
1.40M → 2.13M
261134-127
#2948 → #3075
2.13M → 6.43M
94769*-878
#3075 → #3953
6.43M → 6.62M
6758-9
#3953 → #3962
6.62M → 10.65M
15511*+496
#3962 → #3466
10.65M → Finish
33154*+121
#3466 → #3345
TOTALS
1323926*-397
#2948 → #3345

* 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

The San Francisco Marathon

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