Jonathan Chan

Sunnyvale, CA

Bib: 10467 M 50

0:00
0:00
/ mi
Masters
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Overall
#0 / 5177
Gender (Male)
#0 / 2862
Masters (Masters Men)
#0 / 821
Division (M50-54)
#0 / 157
Race Day Weather
56°/46°F
overcast clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
2.13M
14:53/mi
31:43
→ flat
13 ft elev
6.62M
10:39/mi
1:19:30
299780.9%
239 ft elev
7.12M
14:42/mi
1:26:51
271.0%
269 ft elev
10.65M
10:41/mi
2:04:33
1273601.3%
48 ft elev
Finish· 13.11 mi
10:30/mi
2:30:21
2441141.0%
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 6.62M
Distance6.62 mi
Time1:19:30
Pace12:01 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:10:51
Pace10:55 /mi
📊Negative Split: 10.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2.13M
2.13 mi07:40:5131:4314:5331:43
14:53
-
6.62M
6.62 mi08:28:381:19:3012:0147:47
10:39
-4:14
7.12M
7.12 mi08:35:591:26:5112:127:21
14:42
+4:03
10.65M
10.65 mi09:13:412:04:3311:4237:42
10:41
-4:01
Finish
13.11 mi09:39:292:30:2111:2825:48
10:30
-0:11

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

10:30 /mi

Average Pace

11:28 /mi

Slowest Pace

14:53 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

1:51:17

74% of race

Time at Slower Pace

39:04

26% of race

Average Pace: 11:28 /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
2.13M
2.13 mi07:40:5131:4314:5331:43
14:53
#4692
6.62M
6.62 mi08:28:381:19:3012:0147:47
10:39
#3989
7.12M
7.12 mi08:35:591:26:5112:127:21
14:42
#3908
10.65M
10.65 mi09:13:412:04:3311:4237:42
10:41
#3836
Finish
13.11 mi09:39:292:30:2111:2825:48
10:30
#3745
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
2.13M2.13 mi2.13 mi469226891414692(Top 91%)2689(Top 94%)141(Top 90%)
6.62M6.62 mi4.49 mi3989+7032390+299115+263509(Top 68%)2167(Top 76%)101(Top 64%)
7.12M7.12 mi0.50 mi3908+812347+43112+33155(Top 61%)2002(Top 70%)89(Top 57%)
10.65M10.65 mi3.53 mi3836+722307+40108+43718(Top 72%)2227(Top 78%)99(Top 63%)
Finish13.11 mi2.46 mi3745+912258+49103+53387(Top 65%)2045(Top 71%)93(Top 59%)

Segment Performance Analysis

Start → 2.13M

0.0 - 2.1 mi

Top 91%
~flat
+6ft-3ft

Overall

4692

Males

2689

M50-54

141

2.13M→6.62M

2.1 - 6.6 mi

Top 68%
×19story building
+299ft-78ft

Overall

3509

Males

2167

M50-54

101

6.62M→7.12M

6.6 - 7.1 mi

Top 61%
×2story building
+27ft-0ft

Overall

3155

Males

2002

M50-54

90

7.12M→10.65M

7.1 - 10.7 mi

Top 72%
×21story building
+127ft-360ft

Overall

3718

Males

2227

M50-54

99

10.65M→Finish

10.7 - 13.1 mi

Top 65%
×17story building
+244ft-114ft

Overall

3387

Males

2045

M50-54

93

Passing Analysis

Category:
Athletes Passed
1045*
Passed By
98
Net Change
+947
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2.13M----#4692
2.13M6.62M713*10+703#4692#3989
6.62M7.12M93*12+81#3989#3908
7.12M10.65M120*48+72#3908#3836
10.65MFinish119*28+91#3836#3745
TOTALS1045*98+947

* 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