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SF MARATHON 1ST HALF 2023

Michelle Jew

San Francisco, CA

Bib: 12695 F 52

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Gender (Female)
#0 / 2732
Masters (Masters Women)
#0 / 746
Division (F50-54)
#0 / 145
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
10:51/mi
15:11
→ flat
2.13M
22:47/mi
31:49
→ flat
6.43M
14:17/mi
1:33:15
↑ 274↓ 78
6.62M
-44:-23/mi
1:25:00
↑ 16
10.65M
11:43/mi
2:12:13
↑ 153↓ 361
Finish· 13.11 mi
10:55/mi
2:39:04
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:25:0012:50 /mi+12.9%
2nd Half
1:14:0411:25 /mi✓ faster
Negative split — 12.9% 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
15:1110:511.40 mi15:11
10:51
-
2.13M
31:4914:560.73 mi16:38
22:47
+11:56
6.43M
1:33:1514:304.30 mi1:01:26
14:17
-8:30
6.62M
1:25:0012:500.19 mi
-44:-23
-58:40
10.65M
2:12:1312:254.03 mi47:13
11:43
+56:06
Finish(13.11 mi)
2:39:0412:082.46 mi26:51
10:55
-0:48
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-45:-23 /mi

Average Pace

12:08 /mi

Slowest Pace

22:47 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:39:04

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 12:08 /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 mi50262091995026209199
2.13M0.73 mi5109-832139-48100-152902252108
6.43M4.30 mi5079+302110+2997+350622118105
6.62M0.19 mi5080-12114-497---
10.65M4.03 mi4962+1182059+5594+34789197590
Finish(13.11 mi)2.46 mi4806+1561967+9287+74179169370

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 83%
~flat
+3ft-2ft

Overall

5026

Females

2091

F50-54

99

1.40M→2.13M

1.4 - 2.1 mi

Top 87%
~flat
+3ft-1ft

Overall

5290

Females

2252

F50-54

109

2.13M→6.43M

2.1 - 6.4 mi

Top 83%
×17story building
+274ft-78ft

Overall

5062

Females

2118

F50-54

106

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 79%
×21story building
+153ft-361ft

Overall

4789

Females

1975

F50-54

90

10.65M→Finish

10.7 - 13.1 mi

Top 69%
×17story building
+244ft-114ft

Overall

4179

Females

1693

F50-54

70

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#5026
1.40M → 2.13M
208125-83
#5026 → #5109
2.13M → 6.43M
225255*+30
#5109 → #5079
6.43M → 6.62M
6362-1
#5079 → #5080
6.62M → 10.65M
70188*+118
#5080 → #4962
10.65M → Finish
5161*+156
#4962 → #4806
TOTALS
571791*+220
#5026 → #4806

* 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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