Jeffrey Liu

Bib: 20173MAge: 16

Foster City, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 7%
Gender (Male)
#0 / 3619
Top 10%
M19 & Under
#0 / 81
Top 30%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
7:17/mi
14:35
→ flat
4M
7:52/mi
30:19
6769
6M
8:11/mi
46:42
1231.1%
8M
7:52/mi
1:02:26
166531.1%
9.6M
7:52/mi
1:15:01
681931.5%
10M
17:06/mi
1:21:51
241.1%
10.5M
3:58/mi
1:23:50
732.7%
12M
10:51/mi
1:40:06
2803.2%
Finish· 13.11 mi
7:32/mi
1:48:27
14891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time46:42
Pace7:47 /mi
2nd Half
Distance7.11 mi
Time1:01:45
Pace8:41 /mi
📊Positive Split: 32.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:55:2014:357:1714:35
7:17
-
4M
4.00 mi07:11:0430:197:3515:44
7:52
+0:35
6M
6.00 mi07:27:2746:427:4716:23
8:11
+0:19
8M
8.00 mi07:43:111:02:267:4815:44
7:52
-0:19
9.6M
9.60 mi07:55:461:15:017:4912:35
7:52
0:00
10M
10.00 mi08:02:361:21:518:116:50
17:06
+9:14
10.5M
10.50 mi08:04:351:23:507:591:59
3:58
-13:08
12M
12.00 mi08:20:511:40:068:2116:16
10:51
+6:53
Finish
13.11 mi08:29:121:48:278:168:21
7:32
-3:19

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

3:58 /mi

Average Pace

8:16 /mi

Slowest Pace

17:06 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59

2% of race

Time at Steady Pace

1:23:22

77% of race

Time at Slower Pace

23:06

21% of race

Average Pace: 8:16 /mi

Loading chart...
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 mi06:55:2014:357:1714:35
7:17
#174
4M
4.00 mi07:11:0430:197:3515:44
7:52
#257
6M
6.00 mi07:27:2746:427:4716:23
8:11
#356
8M
8.00 mi07:43:111:02:267:4815:44
7:52
#329
9.6M
9.60 mi07:55:461:15:017:4912:35
7:52
#400
10M
10.00 mi08:02:361:21:518:116:50
17:06
#453
10.5M
10.50 mi08:04:351:23:507:591:59
3:58
#454
12M
12.00 mi08:20:511:40:068:2116:16
10:51
#460
Finish
13.11 mi08:29:121:48:278:168:21
7:32
#428
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 23%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:49

Segment Time

9:48/mi

Pace

0.90 mi

Distance

Overall

1488

Men

1135

Division

37

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM19 & UnderSeg. OverallSeg. MalesSeg. M19 & Under
2M2.00 mi2.00 mi17415918538(Top 8%)435(Top 12%)31(Top 38%)
4M4.00 mi2.00 mi257-83227-6821-3390(Top 6%)329(Top 9%)26(Top 32%)
6M6.00 mi2.00 mi356-99302-7522-1618(Top 9%)515(Top 14%)29(Top 36%)
8M8.00 mi2.00 mi329+27282+2021+1380(Top 6%)330(Top 9%)22(Top 27%)
9.6M9.60 mi1.60 mi400-71339-5723-21400(Top 21%)929(Top 26%)41(Top 51%)
10M10.00 mi0.40 mi453-53380-4125-21862(Top 28%)1349(Top 37%)46(Top 57%)
10.5M10.50 mi0.50 mi454-1381-125560(Top 9%)470(Top 13%)33(Top 41%)
12M12.00 mi1.50 mi460-6380+124+1538(Top 8%)435(Top 12%)31(Top 38%)
Finish13.11 mi1.11 mi428+32358+2224294(Top 4%)264(Top 7%)20(Top 25%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 8%
~flat
+5ft-3ft

Overall

538

Males

435

M15-19

26

2M→4M

2.0 - 4.0 mi

Top 6%
×4story building
+67ft-69ft

Overall

390

Males

329

M15-19

23

4M→6M

4.0 - 6.0 mi

Top 9%
×9story building
+123ft-9ft

Overall

618

Males

515

M15-19

25

6M→8M

6.0 - 8.0 mi

Top 6%
×12story building
+166ft-53ft

Overall

380

Males

330

M15-19

19

8M→9.6M

8.0 - 9.6 mi

Top 21%
×13story building
+68ft-193ft

Overall

1400

Males

929

M15-19

35

9.6M→10M

9.6 - 10.0 mi

Top 28%
×2story building
+0ft-24ft

Overall

1862

Males

1349

M15-19

40

10M→10.5M

10.0 - 10.5 mi

Top 9%
×6story building
+1ft-73ft

Overall

560

Males

470

M15-19

28

10.5M→12M

10.5 - 12.0 mi

Top 8%
×21story building
+280ft-26ft

Overall

538

Males

435

M15-19

26

12M→Finish

12.0 - 13.1 mi

Top 4%
×7story building
+14ft-89ft

Overall

294

Males

264

M15-19

18

Passing Analysis

Category:
Athletes Passed
117*
Passed By
371
Net Change
-254
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#174
2M4M184-83#174#257
4M6M3102-99#257#356
6M8M5023+27#356#329
8M9.6M374-71#329#400
9.6M10M053-53#400#453
10M10.5M45-1#453#454
10.5M12M2228-6#454#460
12MFinish34*2+32#460#428
TOTALS117*371-254

* 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