David Chen

Bib: 23699MAge: 32

Sunnyvale, CA

0:00
0:00
/ mi
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Overall
#0 / 3608
Gender (Male)
#0 / 1949
Division (M30-34)
#0 / 419
Race Day Weather
56°/46°F
overcast 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
1.2M
10:48/mi
12:58
1101.6%
4.9M
9:19/mi
47:25
2431260.6%
11.9M
11:25/mi
2:07:17
1864270.6%
Finish· 13.11 mi
12:41/mi
2:22:37
→ flat

The Course

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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.2M
1.20 mi08:49:3812:5810:4812:58
10:48
-
4.9M
4.90 mi09:24:0547:259:4134:27
9:19
-1:29
11.9M
11.90 mi10:43:572:07:1710:421:19:52
11:25
+2:06
Finish
13.11 mi10:59:172:22:3710:5315:20
12:41
+1:16

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

9:19 /mi

Average Pace

10:53 /mi

Slowest Pace

12:41 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

47:25

33% of race

Time at Steady Pace

1:19:52

56% of race

Time at Slower Pace

15:20

11% of race

Average Pace: 10:53 /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
1.2M
1.20 mi08:49:3812:5810:4812:58
10:48
#2129
4.9M
4.90 mi09:24:0547:259:4134:27
9:19
#1833
11.9M
11.90 mi10:43:572:07:1710:421:19:52
11:25
#2306
Finish
13.11 mi10:59:172:22:3710:5315:20
12:41
#2368
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
1.2M1.20 mi1.20 mi212913163092129(Top 59%)1316(Top 68%)309(Top 74%)
4.9M4.90 mi3.70 mi1833+2961190+126289+201772(Top 49%)1161(Top 60%)280(Top 67%)
11.9M11.90 mi7.00 mi2306-4731400-210322-332525(Top 70%)1485(Top 76%)335(Top 80%)
Finish13.11 mi1.21 mi2368-621421-21324-22792(Top 77%)1574(Top 81%)354(Top 84%)

Segment Performance Analysis

Start → 1.2M

0.0 - 1.2 mi

Top 59%
×9story building
+110ft-10ft

Overall

2129

Males

1316

M30-34

310

1.2M→4.9M

1.2 - 4.9 mi

Top 49%
×14story building
+243ft-126ft

Overall

1772

Males

1161

M30-34

281

4.9M→11.9M

4.9 - 11.9 mi

Top 70%
×22story building
+186ft-427ft

Overall

2525

Males

1485

M30-34

336

11.9M→Finish

11.9 - 13.1 mi

Top 77%
×1human
+7ft-8ft

Overall

2792

Males

1574

M30-34

354

Passing Analysis

Category:
Athletes Passed
372*
Passed By
611
Net Change
-239
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.2M----#2129
1.2M4.9M343*47+296#2129#1833
4.9M11.9M21*494-473#1833#2306
11.9MFinish8*70-62#2306#2368
TOTALS372*611-239

* 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