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SF MARATHON 1ST HALF 2023

Jocelyn Liu

Morris Plains, NJ

Bib: 13088 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
10:02/mi
14:03
→ flat
2.13M
19:32/mi
28:19
→ flat
6.43M
14:25/mi
1:30:18
↑ 274↓ 78
6.62M
-41:-14/mi
1:22:39
↑ 16
10.65M
10:45/mi
2:05:57
↑ 153↓ 361
Finish· 13.11 mi
9:07/mi
2:28:21
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:22:3912:29 /mi+20.5%
2nd Half
1:05:4210:07 /mi✓ faster
Negative split — 20.5% 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
14:0310:021.40 mi14:03
10:02
-
2.13M
28:1913:180.73 mi14:16
19:32
+9:30
6.43M
1:30:1814:034.30 mi1:01:59
14:25
-5:07
6.62M
1:22:3912:290.19 mi
-41:-14
-55:39
10.65M
2:05:5711:504.03 mi43:18
10:45
+51:59
Finish(13.11 mi)
2:28:2111:192.46 mi22:24
9:07
-1:38
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-42:-14 /mi

Average Pace

11:19 /mi

Slowest Pace

19:32 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:28:21

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:19 /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 mi4055157241940551572419
2.13M0.73 mi3667+3881379+193374+4534291261339
6.43M4.30 mi4781-11141945-566507-13351362162544
6.62M0.19 mi4825-441975-30509-2---
10.65M4.03 mi4468+3571784+191465+4439031524393
Finish(13.11 mi)2.46 mi4097+3711598+186409+562268775215

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 67%
~flat
+3ft-2ft

Overall

4055

Females

1572

F25-29

421

1.40M→2.13M

1.4 - 2.1 mi

Top 56%
~flat
+3ft-1ft

Overall

3429

Females

1261

F25-29

344

2.13M→6.43M

2.1 - 6.4 mi

Top 85%
×17story building
+274ft-78ft

Overall

5136

Females

2162

F25-29

546

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 64%
×21story building
+153ft-361ft

Overall

3903

Females

1524

F25-29

393

10.65M→Finish

10.7 - 13.1 mi

Top 37%
×17story building
+244ft-114ft

Overall

2268

Females

775

F25-29

215

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#4055
1.40M → 2.13M
58446+388
#4055 → #3667
2.13M → 6.43M
115036*-1114
#3667 → #4781
6.43M → 6.62M
9652-44
#4781 → #4825
6.62M → 10.65M
29386*+357
#4825 → #4468
10.65M → Finish
2373*+371
#4468 → #4097
TOTALS
13351293*-42
#4055 → #4097

* 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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