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SF MARATHON 1ST HALF 2023

Louise Cheng

Bib: 14899•F•Age: 47

La Puente, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Gender (Female)
#0 / 2732
Masters (Masters Women)
#0 / 746
Division (F45-49)
#0 / 175
Race Day Weather
60°/50°F
overcast clouds

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.40M
10:29/mi
14:41
→ flat
2.13M
22:40/mi
31:14
→ flat
6.43M
14:34/mi
1:33:54
↑ 274↓ 780.9%
6.62M
-51:-3/mi
1:24:23
↑ 161.6%
10.65M
12:39/mi
2:15:21
↑ 153↓ 3611.0%
Finish· 13.11 mi
12:49/mi
2:46:53
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:24:23
Pace12:45 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:22:30
Pace12:43 /mi
📊Negative Split: 2.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi06:57:0014:4110:2914:41
10:29
-
2.13M
2.13 mi07:13:3331:1414:4016:33
22:40
+12:11
6.43M
6.43 mi08:16:131:33:5414:361:02:40
14:34
-8:06
6.62M
6.62 mi08:06:421:24:2312:45
-51:-3
-65:37
10.65M
10.65 mi08:57:402:15:2112:4350:58
12:39
+63:42
Finish
13.11 mi09:29:122:46:5312:4431:32
12:49
+0:10

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

-52:-3 /mi

Average Pace

12:44 /mi

Slowest Pace

22:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:53

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 12:44 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
1.40M
1.40 mi06:57:0014:4110:2914:41
10:29
#4684
2.13M
2.13 mi07:13:3331:1414:4016:33
22:40
#4935
6.43M
6.43 mi08:16:131:33:5414:361:02:40
14:34
#5147
6.62M
6.62 mi08:06:421:24:2312:45
-51:-3
#5003
10.65M
10.65 mi08:57:402:15:2112:4350:58
12:39
#5145
Finish
13.11 mi09:29:122:46:5312:4431:32
12:49
#5198
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
1.40M1.40 mi1.40 mi468419031014684(Top 77%)1903(Top 70%)101(Top 58%)
2.13M2.13 mi0.73 mi4935-2512040-137109-85253(Top 87%)2230(Top 82%)118(Top 67%)
6.43M6.43 mi4.30 mi5147-2122149-109117-85216(Top 86%)2208(Top 81%)123(Top 70%)
6.62M6.62 mi0.19 mi5003+1442068+81108+9---
10.65M10.65 mi4.03 mi5145-1422167-99122-145334(Top 88%)2310(Top 85%)132(Top 75%)
Finish13.11 mi2.46 mi5198-532214-47130-85340(Top 88%)2318(Top 85%)137(Top 78%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 77%
~flat
+3ft-2ft

Overall

4684

Females

1903

F45-49

101

1.40M→2.13M

1.4 - 2.1 mi

Top 87%
~flat
+3ft-1ft

Overall

5253

Females

2230

F45-49

118

2.13M→6.43M

2.1 - 6.4 mi

Top 86%
×17story building
+274ft-78ft

Overall

5216

Females

2208

F45-49

123

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F45-49

-

6.62M→10.65M

6.6 - 10.7 mi

Top 88%
×21story building
+153ft-361ft

Overall

5334

Females

2310

F45-49

132

10.65M→Finish

10.7 - 13.1 mi

Top 88%
×17story building
+244ft-114ft

Overall

5340

Females

2318

F45-49

137

Passing Analysis

Category:
Athletes Passed
476*
Passed By
990
Net Change
-514
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#4684
1.40M → 2.13M89340-251#4684#4935
2.13M → 6.43M149*361-212#4935#5147
6.43M → 6.62M1484+144#5147#5003
6.62M → 10.65M52*194-142#5003#5145
10.65M → Finish38*91-53#5145#5198
TOTALS476*990-514

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

📊

Passing Visuals

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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