Alex Cheng

Saratoga, CA

Bib: 18531 F 32

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 21%
Gender (Female)
#0 / 3107
Top 10%
Division (F30-34)
#0 / 691
Top 9%
Race Day Weather
56°/46°F
light rain

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.81M
8:54/mi
16:06
→ flat
12 ft elev
5.34M
8:50/mi
47:17
8074
19 ft elev
6.15M
9:20/mi
54:50
1262.8%
149 ft elev
10.54M
8:54/mi
1:33:55
2303610.6%
20 ft elev
11.05M
11:28/mi
1:39:46
1726.4%
213 ft elev
Finish· 13.11 mi
9:29/mi
1:59:17
971140.2%
205 ft elev
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

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Half Splits

1st Half· via 6.15MFaster
Distance6.15 mi
Time54:50
Pace8:55 /mi
2nd Half
Distance6.96 mi
Time1:04:27
Pace9:16 /mi
📊Positive Split: 17.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi06:49:2016:068:5416:06
8:54
-
5.34M
5.34 mi07:20:3147:178:5131:11
8:50
-0:04
6.15M
6.15 mi07:28:0454:508:557:33
9:20
+0:30
10.54M
10.54 mi08:07:091:33:558:5539:05
8:54
-0:26
11.05M
11.05 mi08:13:001:39:469:025:51
11:28
+2:34
Finish
13.11 mi08:32:311:59:179:0619:31
9:29
-1:59

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

8:50 /mi

Average Pace

9:06 /mi

Slowest Pace

11:28 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

31:11

26% of race

Time at Steady Pace

1:22:15

69% of race

Time at Slower Pace

5:51

5% of race

Average Pace: 9:06 /mi

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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.

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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
1.81M
1.81 mi06:49:2016:068:5416:06
8:54
#1787
5.34M
5.34 mi07:20:3147:178:5131:11
8:50
#1606
6.15M
6.15 mi07:28:0454:508:557:33
9:20
#1598
10.54M
10.54 mi08:07:091:33:558:5539:05
8:54
#1478
11.05M
11.05 mi08:13:001:39:469:025:51
11:28
#1437
Finish
13.11 mi08:32:311:59:179:0619:31
9:29
#1477
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
1.81M1.81 mi1.81 mi1787425831787(Top 25%)425(Top 14%)83(Top 12%)
5.34M5.34 mi3.53 mi1606+181369+5673+101558(Top 22%)344(Top 11%)66(Top 10%)
6.15M6.15 mi0.81 mi1598+8356+13731709(Top 24%)390(Top 13%)71(Top 10%)
10.54M10.54 mi4.39 mi1478+120312+4461+121421(Top 20%)294(Top 9%)56(Top 8%)
11.05M11.05 mi0.51 mi1437+41301+1159+21240(Top 17%)248(Top 8%)44(Top 6%)
Finish13.11 mi2.06 mi1477-40325-2462-31773(Top 25%)454(Top 15%)90(Top 13%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 25%
~flat
+4ft-3ft

Overall

1787

Females

425

F30-34

84

1.81M→5.34M

1.8 - 5.3 mi

Top 22%
×4story building
+80ft-74ft

Overall

1558

Females

344

F30-34

67

5.34M→6.15M

5.3 - 6.2 mi

Top 24%
×10story building
+126ft-4ft

Overall

1709

Females

390

F30-34

72

6.15M→10.54M

6.2 - 10.5 mi

Top 20%
×21story building
+230ft-361ft

Overall

1421

Females

294

F30-34

57

10.54M→11.05M

10.5 - 11.1 mi

Top 17%
×14story building
+172ft-0ft

Overall

1240

Females

248

F30-34

44

11.05M→Finish

11.1 - 13.1 mi

Top 25%
×7story building
+97ft-114ft

Overall

1773

Females

454

F30-34

90

Passing Analysis

Category:
Athletes Passed
555*
Passed By
245
Net Change
+310
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#1787
1.81M5.34M25473+181#1787#1606
5.34M6.15M4739+8#1606#1598
6.15M10.54M17050+120#1598#1478
10.54M11.05M5312+41#1478#1437
11.05MFinish31*71-40#1437#1477
TOTALS555*245+310

* 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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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events