Sam Cheng

Bib: 23833MAge: 46

San Francisco, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 3608
Gender (Male)
#0 / 1949
Masters (Masters Men)
#0 / 495
Division (M45-49)
#0 / 95
Race Day Weather
56°/46°F
overcast clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
1.2M
15:23
Rank: #3211
Start1.2M
12:49/mi
15:23 split
4.9M
1:08:24
Rank: #3524 (-313)
1.2M4.9M
14:20/mi
53:01 split
11.9M
3:18:15
Rank: #3584 (-60)
4.9M11.9M
18:33/mi
2:09:51 split
Finish· 13.11 mi
3:39:53
Rank: #3579 (+5)
11.9MFinish
17:53/mi
21:38 split

The Course

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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.2M
1.20 mi08:45:3315:2312:4915:23
12:49
-
4.9M
4.90 mi09:38:341:08:2413:5853:01
14:20
+1:31
11.9M
11.90 mi11:48:253:18:1516:402:09:51
18:33
+4:13
Finish
13.11 mi12:10:033:39:5316:4621:38
17:53
-0:40

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

12:49 /mi

Average Pace

16:46 /mi

Slowest Pace

18:33 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:08:24

31% of race

Time at Steady Pace

2:31:29

69% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 16:46 /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
1.2M
1.20 mi08:45:3315:2312:4915:23
12:49
#3211
4.9M
4.90 mi09:38:341:08:2413:5853:01
14:20
#3524
11.9M
11.90 mi11:48:253:18:1516:402:09:51
18:33
#3584
Finish
13.11 mi12:10:033:39:5316:4621:38
17:53
#3579
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
1.2M1.20 mi1.20 mi32111790873211(Top 89%)1790(Top 92%)87(Top 92%)
4.9M4.90 mi3.70 mi3524-3131922-13293-63553(Top 98%)1930(Top 99%)93(Top 98%)
11.9M11.90 mi7.00 mi3584-601942-2094-13595(Top 100%)1943(Top 100%)94(Top 99%)
Finish13.11 mi1.21 mi3579+51938+4943516(Top 97%)1904(Top 98%)94(Top 99%)

Segment Performance Analysis

Start → 1.2M

0.0 - 1.2 mi

Top 89%
×9story building
+110ft-10ft

Overall

3211

Males

1790

M45-49

87

1.2M→4.9M

1.2 - 4.9 mi

Top 98%
×14story building
+243ft-126ft

Overall

3553

Males

1930

M45-49

93

4.9M→11.9M

4.9 - 11.9 mi

Top 100%
×22story building
+186ft-427ft

Overall

3595

Males

1943

M45-49

94

11.9M→Finish

11.9 - 13.1 mi

Top 97%
×1human
+7ft-8ft

Overall

3516

Males

1904

M45-49

94

Passing Analysis

Category:
Athletes Passed
14*
Passed By
382
Net Change
-368
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.2M----#3211
1.2M4.9M1*314-313#3211#3524
4.9M11.9M8*68-60#3524#3584
11.9MFinish5*0+5#3584#3579
TOTALS14*382-368

* 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