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SF MARATHON 1ST HALF 2023

Feili Duosi

San Francisco, CA

Bib: 13526 F 50

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Top 48%
Gender (Female)
#0 / 2732
Top 38%
Masters (Masters Women)
#0 / 746
Top 23%
Division (F50-54)
#0 / 145
Top 24%
Race Day Weather
60°/50°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.40M
9:09/mi
12:48
→ flat
11 ft elev
2.13M
18:51/mi
26:34
→ flat
13 ft elev
6.43M
13:34/mi
1:24:53
↑ 274↓ 780.9%
213 ft elev
6.62M
-33:-10/mi
1:18:46
↑ 161.6%
239 ft elev
10.65M
9:11/mi
1:55:46
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
8:11/mi
2:15:54
↑ 244↓ 1141.0%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:18:4611:54 /mi+27.5%
2nd Half
57:088:48 /mi✓ faster
Negative split — 27.5% 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
12:489:091.40 mi12:48
9:09
-
2.13M
26:3412:280.73 mi13:46
18:51
+9:42
6.43M
1:24:5313:124.30 mi58:19
13:34
-5:17
6.62M
1:18:4611:540.19 mi
-33:-10
-46:44
10.65M
1:55:4610:524.03 mi37:00
9:11
+42:21
Finish(13.11 mi)
2:15:5410:222.46 mi20:08
8:11
-1:00
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-34:-10 /mi

Average Pace

10:22 /mi

Slowest Pace

18:51 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:15:54

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:22 /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. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
1.40M1.40 mi263688826263688826
2.13M0.73 mi2654-18887+125+1286399937
6.43M4.30 mi4037-13831546-65961-364570184277
6.62M0.19 mi4254-2171655-10966-5---
10.65M4.03 mi3417+8371256+39946+20188356115
Finish(13.11 mi)2.46 mi2933+4841032+22435+1112243255

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 43%
~flat
+3ft-2ft

Overall

2636

Females

888

F50-54

26

1.40M→2.13M

1.4 - 2.1 mi

Top 47%
~flat
+3ft-1ft

Overall

2863

Females

999

F50-54

38

2.13M→6.43M

2.1 - 6.4 mi

Top 75%
×17story building
+274ft-78ft

Overall

4570

Females

1842

F50-54

77

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F50-54

-

6.62M→10.65M

6.6 - 10.7 mi

Top 31%
×21story building
+153ft-361ft

Overall

1883

Females

561

F50-54

15

10.65M→Finish

10.7 - 13.1 mi

Top 20%
×17story building
+244ft-114ft

Overall

1224

Females

325

F50-54

5

Passing Analysis

Category:
Passed
1533*
Passed By
1830
Net Change
-297
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#2636
1.40M → 2.13M154172-18#2636#2654
2.13M → 6.43M27*1410-1383#2654#4037
6.43M → 6.62M25242-217#4037#4254
6.62M → 10.65M843*6+837#4254#3417
10.65M → Finish484*0+484#3417#2933
TOTALS1533*1830-297

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Charts

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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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