Samuel Lau

San jose, CA

Bib: 13938 M 55

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Masters (Masters Men)
#0 / 1030
Division (M55-59)
#0 / 142
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
11:23/mi
22:47
→ flat
4M
11:14/mi
45:15
6769
6M
11:32/mi
1:08:19
123
8M
12:54/mi
1:34:08
16653
9.6M
9:53/mi
1:49:57
68193
10M
22:32/mi
1:58:57
24
10.5M
6:00/mi
2:01:57
73
12M
16:40/mi
2:26:57
280
Finish· 13.11 mi
11:19/mi
2:39:30
1489
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:08:1911:23 /mi⚡ faster
2nd Half
1:31:1112:50 /mi+33.5%
Positive split — 33.5% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2M
22:4711:232.00 mi22:47
11:23
-
4M
45:1511:192.00 mi22:28
11:14
-0:09
6M
1:08:1911:232.00 mi23:04
11:32
+0:18
8M
1:34:0811:462.00 mi25:49
12:54
+1:22
9.6M
1:49:5711:271.60 mi15:49
9:53
-3:01
10M
1:58:5711:540.40 mi9:00
22:32
+12:39
10.5M
2:01:5711:370.50 mi3:00
6:00
-16:32
12M
2:26:5712:151.50 mi25:00
16:40
+10:40
Finish(13.11 mi)
2:39:3012:101.11 mi12:33
11:19
-5:21
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:00 /mi

Average Pace

12:10 /mi

Slowest Pace

22:32 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:00

2% of race

Time at Steady Pace

2:02:30

77% of race

Time at Slower Pace

34:00

21% of race

Average Pace: 12:10 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower
Featured Segment

Garmin Challenge

Top 74%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:00

Segment Time

13:20/mi

Pace

0.90 mi

Distance

Overall

4838

Men

2887

Division

110

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
2M2.00 mi529031541274653278698
4M2.00 mi4902+3882996+158113+1445312821101
6M2.00 mi4749+1532934+62106+745452840102
8M2.00 mi4966-2173040-106110-453653202119
9.6M1.60 mi4781+1852945+95107+33862233677
10M0.40 mi4795-142949-4108-147692838109
10.5M0.50 mi4813-182956-7110-253503116115
12M1.50 mi4775+382919+37107+34653278698
Finish(13.11 mi)1.11 mi4701+742879+40105+24356263392

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 71%
~flat
+5ft-3ft

Overall

4653

Males

2786

M55-59

98

2M→4M

2.0 - 4.0 mi

Top 69%
×4story building
+67ft-69ft

Overall

4531

Males

2821

M55-59

102

4M→6M

4.0 - 6.0 mi

Top 69%
×9story building
+123ft-9ft

Overall

4545

Males

2840

M55-59

102

6M→8M

6.0 - 8.0 mi

Top 82%
×12story building
+166ft-53ft

Overall

5365

Males

3202

M55-59

119

8M→9.6M

8.0 - 9.6 mi

Top 59%
×13story building
+68ft-193ft

Overall

3862

Males

2336

M55-59

77

9.6M→10M

9.6 - 10.0 mi

Top 73%
×2story building
+0ft-24ft

Overall

4769

Males

2838

M55-59

109

10M→10.5M

10.0 - 10.5 mi

Top 81%
×6story building
+1ft-73ft

Overall

5350

Males

3116

M55-59

115

10.5M→12M

10.5 - 12.0 mi

Top 71%
×21story building
+280ft-26ft

Overall

4653

Males

2786

M55-59

98

12M→Finish

12.0 - 13.1 mi

Top 66%
×7story building
+14ft-89ft

Overall

4356

Males

2633

M55-59

92

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#5290
2M4M
28416+388
#5290 #4902
4M6M
63216*+153
#4902 #4749
6M8M
27760*-217
#4749 #4966
8M9.6M
60245+185
#4966 #4781
9.6M10M
5844-14
#4781 #4795
10M10.5M
257-18
#4795 #4813
10.5M12M
82120*+38
#4813 #4775
12MFinish
1488*+74
#4775 #4701
TOTALS
6071196*+589
#5290 #4701

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

Passing Visualized

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

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Race Place Events