Difei Chen

Bib: 918MAge: 32

Sunnyvale, CA

0:00
0:00
/ mi
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Overall
#0 / 6545
Top 12%
Gender (Male)
#0 / 4641
Top 16%
Division (M30-34)
#0 / 933
Top 15%
Race Day Weather
56°/46°F
overcast clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
1.81 Miles
11:36
Rank: #77
Start1.81 Miles
11:36 | 6:25/mi
5.55 Miles
37:02
Rank: #130 (-53)
1.81 Miles5.55 Miles
25:26 | 6:48/mi
6.52 Miles
44:32
Rank: #152 (-22)
5.55 Miles6.52 Miles
7:30 | 7:44/mi
10.87 Miles
1:16:36
Rank: #207 (-55)
6.52 Miles10.87 Miles
32:04 | 7:22/mi
Garmin Hill Challenge· 11.38 mi
1:22:08
Rank: #230 (-23)
10.87 MilesGarmin Hill Challenge
5:32 | 10:52/mi
14.95 Miles
1:48:23
Rank: #326 (-96)
Garmin Hill Challenge14.95 Miles
26:15 | 7:21/mi
18 Miles
2:22:58
Rank: #642 (-316)
14.95 Miles18 Miles
34:35 | 11:20/mi
25 Miles
3:29:31
Rank: #862 (-220)
18 Miles25 Miles
1:06:33 | 9:30/mi
Finish· 26.22 mi
3:38:30
Rank: #802 (+60)
25 MilesFinish
8:59 | 7:22/mi

The Course

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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81 Miles
1.81 mi05:26:3911:366:2511:36
6:25
-
5.55 Miles
5.55 mi05:52:0537:026:4025:26
6:48
+0:23
6.52 Miles
6.52 mi05:59:3544:326:507:30
7:44
+0:56
10.87 Miles
10.87 mi06:31:391:16:367:0332:04
7:22
-0:22
Garmin Hill Challenge
11.38 mi06:37:111:22:087:135:32
10:52
+3:30
14.95 Miles
14.95 mi07:03:261:48:237:1526:15
7:21
-3:31
18 Miles
18.00 mi07:38:012:22:587:5734:35
11:20
+3:59
25 Miles
25.00 mi08:44:343:29:318:231:06:33
9:30
-1:50
Finish
26.22 mi08:53:333:38:308:208:59
7:22
-2:08

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

6:25 /mi

Average Pace

8:20 /mi

Slowest Pace

11:20 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

11:36

5% of race

Time at Steady Pace

1:40:14

46% of race

Time at Slower Pace

1:46:40

49% of race

Average Pace: 8:20 /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...
0mi6.6mi13.1mi19.7mi26.2mi
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
1.81 Miles
1.81 mi05:26:3911:366:2511:36
6:25
#77
5.55 Miles
5.55 mi05:52:0537:026:4025:26
6:48
#130
6.52 Miles
6.52 mi05:59:3544:326:507:30
7:44
#152
10.87 Miles
10.87 mi06:31:391:16:367:0332:04
7:22
#207
Garmin Hill Challenge
11.38 mi06:37:111:22:087:135:32
10:52
#230
14.95 Miles
14.95 mi07:03:261:48:237:1526:15
7:21
#326
18 Miles
18.00 mi07:38:012:22:587:5734:35
11:20
#642
25 Miles
25.00 mi08:44:343:29:318:231:06:33
9:30
#862
Finish
26.22 mi08:53:333:38:308:208:59
7:22
#802
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
1.81 Miles1.81 mi1.81 mi77731477(Top 1%)73(Top 2%)14(Top 2%)
5.55 Miles5.55 mi3.74 mi130-53123-5026-12153(Top 2%)143(Top 3%)29(Top 3%)
6.52 Miles6.52 mi0.97 mi152-22143-2031-5358(Top 5%)335(Top 7%)71(Top 8%)
10.87 Miles10.87 mi4.35 mi207-55196-5341-10352(Top 5%)332(Top 7%)74(Top 8%)
Garmin Hill Challenge11.38 mi0.51 mi230-23218-2248-71941(Top 30%)1650(Top 36%)336(Top 36%)
14.95 Miles14.95 mi3.57 mi326-96309-9169-21920(Top 14%)828(Top 18%)164(Top 18%)
18 Miles18.00 mi3.05 mi642-316588-279126-573195(Top 49%)2552(Top 55%)520(Top 56%)
25 Miles25.00 mi7.00 mi862-220774-186151-251892(Top 29%)1540(Top 33%)305(Top 33%)
Finish26.22 mi1.22 mi802+60721+53144+7185(Top 3%)170(Top 4%)30(Top 3%)

Segment Performance Analysis

Start → 1.81 Miles

0.0 - 1.8 mi

Top 1%
×1human
+6ft-10ft

Overall

77

Males

73

M30-34

14

1.81 Miles→5.55 Miles

1.8 - 5.5 mi

Top 2%
×6stories
+97ft-86ft

Overall

153

Males

143

M30-34

29

5.55 Miles→6.52 Miles

5.5 - 6.5 mi

Top 5%
×15stories
+178ft-5ft

Overall

358

Males

335

M30-34

72

6.52 Miles→10.87 Miles

6.5 - 10.9 mi

Top 5%
×20stories
+201ft-318ft

Overall

352

Males

332

M30-34

75

10.87 Miles→Garmin Hill Challenge

10.9 - 11.4 mi

Top 30%
×11stories
+134ft-79ft

Overall

1941

Males

1650

M30-34

337

Garmin Hill Challenge→14.95 Miles

11.4 - 14.9 mi

Top 14%
×17stories
+251ft-225ft

Overall

920

Males

828

M30-34

165

14.95 Miles→18 Miles

14.9 - 18.0 mi

Top 49%
×12stories
+165ft-60ft

Overall

3195

Males

2552

M30-34

520

18 Miles→25 Miles

18.0 - 25.0 mi

Top 29%
×22stories
+142ft-378ft

Overall

1892

Males

1540

M30-34

305

25 Miles→Finish

25.0 - 26.2 mi

Top 3%
~flat
+2ft-0ft

Overall

185

Males

170

M30-34

30

Passing Analysis

Category:
Athletes Passed
80*
Passed By
805
Net Change
-725
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81 Miles----#77
1.81 Miles5.55 Miles154-53#77#130
5.55 Miles6.52 Miles022-22#130#152
6.52 Miles10.87 Miles055-55#152#207
10.87 MilesGarmin Hill Challenge023-23#207#230
Garmin Hill Challenge14.95 Miles096-96#230#326
14.95 Miles18 Miles2*318-316#326#642
18 Miles25 Miles17*237-220#642#862
25 MilesFinish600+60#862#802
TOTALS80*805-725

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

The San Francisco Marathon

The San Francisco Marathon