Zhen Zhang

Bib: 26304MAge: 50

Mountain View, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 3840
Gender (Male)
#0 / 2065
Masters (Masters Men)
#0 / 555
Division (M50-54)
#0 / 90
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
9292 ft
×24story building
548 ft climb · 587 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
9:20/mi
18:40
138680.7%
4M
7:47/mi
34:13
1631.4%
6M
10:33/mi
55:20
55830.3%
8M
7:11/mi
1:09:42
651510.8%
10M
13:09/mi
1:36:00
611741.1%
12M
14:31/mi
2:05:02
41530.1%
Finish· 13.11 mi
12:50/mi
2:19:16
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time55:20
Pace9:13 /mi
2nd Half
Distance7.11 mi
Time1:23:56
Pace11:48 /mi
📊Positive Split: 51.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:03:0518:409:2018:40
9:20
-
4M
4.00 mi09:18:3834:138:3315:33
7:47
-1:33
6M
6.00 mi09:39:4555:209:1321:07
10:33
+2:46
8M
8.00 mi09:54:071:09:428:4314:22
7:11
-3:22
10M
10.00 mi10:20:251:36:009:3626:18
13:09
+5:58
12M
12.00 mi10:49:272:05:0210:2529:02
14:31
+1:22
Finish
13.11 mi11:03:412:19:1610:3714:14
12:50
-1:41

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

7:11 /mi

Average Pace

10:37 /mi

Slowest Pace

14:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

29:55

21% of race

Time at Steady Pace

39:47

29% of race

Time at Slower Pace

1:09:34

50% of race

Average Pace: 10:37 /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.

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
2M
2.00 mi09:03:0518:409:2018:40
9:20
#1484
4M
4.00 mi09:18:3834:138:3315:33
7:47
#1001
6M
6.00 mi09:39:4555:209:1321:07
10:33
#954
8M
8.00 mi09:54:071:09:428:4314:22
7:11
#1066
10M
10.00 mi10:20:251:36:009:3626:18
13:09
#1689
12M
12.00 mi10:49:272:05:0210:2529:02
14:31
#2101
Finish
13.11 mi11:03:412:19:1610:3714:14
12:50
#2208
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
2M2.00 mi2.00 mi14841025403328(Top 87%)1850(Top 90%)81(Top 90%)
4M4.00 mi2.00 mi1001+483721+30422+18636(Top 17%)488(Top 24%)21(Top 23%)
6M6.00 mi2.00 mi954+47693+2822908(Top 24%)669(Top 32%)22(Top 24%)
8M8.00 mi2.00 mi1066-112756-6323-11511(Top 39%)1029(Top 50%)35(Top 39%)
10M10.00 mi2.00 mi1689-6231139-38346-233194(Top 83%)1812(Top 88%)77(Top 86%)
12M12.00 mi2.00 mi2101-4121349-21051-53328(Top 87%)1850(Top 90%)81(Top 90%)
Finish13.11 mi1.11 mi2208-1071391-4252-13006(Top 78%)1706(Top 83%)73(Top 81%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 87%
×9story building
+138ft-68ft

Overall

3328

Males

1850

M50-54

81

2M→4M

2.0 - 4.0 mi

Top 17%
×13story building
+163ft-19ft

Overall

636

Males

488

M50-54

21

4M→6M

4.0 - 6.0 mi

Top 24%
×4story building
+55ft-83ft

Overall

908

Males

669

M50-54

22

6M→8M

6.0 - 8.0 mi

Top 39%
×10story building
+65ft-151ft

Overall

1511

Males

1029

M50-54

35

8M→10M

8.0 - 10.0 mi

Top 83%
×10story building
+61ft-174ft

Overall

3194

Males

1812

M50-54

77

10M→12M

10.0 - 12.0 mi

Top 87%
×3story building
+41ft-53ft

Overall

3328

Males

1850

M50-54

81

12M→Finish

12.0 - 13.1 mi

Top 78%
×1human
+6ft-6ft

Overall

3006

Males

1706

M50-54

73

Passing Analysis

Category:
Athletes Passed
556*
Passed By
1280
Net Change
-724
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1484
2M4M4830+483#1484#1001
4M6M5811+47#1001#954
6M8M6118-112#954#1066
8M10M1*624-623#1066#1689
10M12M1413-412#1689#2101
12MFinish7*114-107#2101#2208
TOTALS556*1280-724

* 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