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SF MARATHON 1ST HALF 2023

Jiayi Yuan

Brooklyn, NY

Bib: 11970 F 28

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 26%
Gender (Female)
#0 / 2732
Top 16%
Division (F25-29)
#0 / 629
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
8:32/mi
11:57
→ flat
2.13M
17:40/mi
24:51
→ flat
6.43M
10:44/mi
1:10:58
↑ 274↓ 78
6.62M
-31:-30/mi
1:05:10
↑ 16
10.65M
8:55/mi
1:41:08
↑ 153↓ 361
Finish· 13.11 mi
8:46/mi
2:02:41
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:05:109:51 /mi+11.7%
2nd Half
57:318:52 /mi✓ faster
Negative split — 11.7% 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
11:578:321.40 mi11:57
8:32
-
2.13M
24:5111:400.73 mi12:54
17:40
+9:08
6.43M
1:10:5811:024.30 mi46:07
10:44
-6:56
6.62M
1:05:109:510.19 mi
-31:-30
-42:14
10.65M
1:41:089:304.03 mi35:58
8:55
+40:25
Finish(13.11 mi)
2:02:419:222.46 mi21:33
8:46
-0:09
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-32:-30 /mi

Average Pace

9:22 /mi

Slowest Pace

17:40 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:02:41

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:21 /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 mi16164861461616486146
2.13M0.73 mi1665-49501-15142+41852582155
6.43M4.30 mi1587+78454+47132+101638475135
6.62M0.19 mi1628-41481-27141-9---
10.65M4.03 mi1562+66440+41126+151538417113
Finish(13.11 mi)2.46 mi1583-21446-6128-21860573157

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 27%
~flat
+3ft-2ft

Overall

1616

Females

486

F25-29

147

1.40M→2.13M

1.4 - 2.1 mi

Top 31%
~flat
+3ft-1ft

Overall

1852

Females

582

F25-29

159

2.13M→6.43M

2.1 - 6.4 mi

Top 27%
×17story building
+274ft-78ft

Overall

1638

Females

475

F25-29

135

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 25%
×21story building
+153ft-361ft

Overall

1538

Females

417

F25-29

113

10.65M→Finish

10.7 - 13.1 mi

Top 31%
×17story building
+244ft-114ft

Overall

1860

Females

573

F25-29

157

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#1616
1.40M → 2.13M
149100-49
#1616 → #1665
2.13M → 6.43M
128206*+78
#1665 → #1587
6.43M → 6.62M
6726-41
#1587 → #1628
6.62M → 10.65M
70136*+66
#1628 → #1562
10.65M → Finish
8261*-21
#1562 → #1583
TOTALS
496529*+33
#1616 → #1583

* 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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