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SF MARATHON 1ST HALF 2023

Jenny Zhang

San Jose, CA

Bib: 14259 F 24

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 25%
Gender (Female)
#0 / 2732
Top 15%
F20-29
#0 / 376
Top 20%
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
8:59/mi
12:34
→ flat
2.13M
18:47/mi
26:17
→ flat
6.43M
10:44/mi
1:12:27
↑ 274↓ 78
6.62M
-36:-41/mi
1:05:40
↑ 16
10.65M
8:51/mi
1:41:22
↑ 153↓ 361
Finish· 13.11 mi
8:25/mi
2:02:03
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:05:409:55 /mi+14.1%
2nd Half
56:238:41 /mi✓ faster
Negative split — 14.1% 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
12:348:591.40 mi12:34
8:59
-
2.13M
26:1712:200.73 mi13:43
18:47
+9:48
6.43M
1:12:2711:164.30 mi46:10
10:44
-8:03
6.62M
1:05:409:550.19 mi
-36:-41
-47:25
10.65M
1:41:229:314.03 mi35:42
8:51
+45:32
Finish(13.11 mi)
2:02:039:192.46 mi20:41
8:25
-0:26
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-37:-41 /mi

Average Pace

9:19 /mi

Slowest Pace

18:47 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:02:03

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:19 /mi

Loading chart...
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 mi23247641382324764138
2.13M0.73 mi2493-169829-65151-132787963162
6.43M4.30 mi1841+652561+268110+41164847690
6.62M0.19 mi1729+112520+41101+9---
10.65M4.03 mi1597+132454+6685+16145238767
Finish(13.11 mi)2.46 mi1513+84421+3376+9143840275

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 38%
~flat
+3ft-2ft

Overall

2324

Females

764

F20-24

138

1.40M→2.13M

1.4 - 2.1 mi

Top 46%
~flat
+3ft-1ft

Overall

2787

Females

963

F20-24

162

2.13M→6.43M

2.1 - 6.4 mi

Top 27%
×17story building
+274ft-78ft

Overall

1648

Females

476

F20-24

90

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 24%
×21story building
+153ft-361ft

Overall

1452

Females

387

F20-24

67

10.65M→Finish

10.7 - 13.1 mi

Top 24%
×17story building
+244ft-114ft

Overall

1438

Females

402

F20-24

75

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#2324
1.40M → 2.13M
281112-169
#2324 → #2493
2.13M → 6.43M
46698*+652
#2493 → #1841
6.43M → 6.62M
14126+112
#1841 → #1729
6.62M → 10.65M
40172*+132
#1729 → #1597
10.65M → Finish
33117*+84
#1597 → #1513
TOTALS
4141225*+811
#2324 → #1513

* 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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