Dennis Lau

Pleasanton, CA

Bib: 15589 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
9:46/mi
19:32
→ flat
4M
9:38/mi
38:48
6769
6M
9:38/mi
58:04
123
8M
10:36/mi
1:19:15
16653
9.6M
10:36/mi
1:36:12
68193
10.26M
12:41/mi
1:44:34
114
10.5M
17:47/mi
1:48:50
→ flat
12M
17:17/mi
2:14:46
280
Finish· 13.11 mi
13:10/mi
2:29:22
1489
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

Half Splits

1st Half· via 6M
58:049:41 /mi⚡ faster
2nd Half
1:31:1812:51 /mi+57.2%
Positive split — 57.2% 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
19:329:462.00 mi19:32
9:46
-
4M
38:489:422.00 mi19:16
9:38
-0:08
6M
58:049:412.00 mi19:16
9:38
0:00
8M
1:19:159:542.00 mi21:11
10:36
+0:58
9.6M
1:36:1210:011.60 mi16:57
10:36
0:00
10.26M
1:44:3410:110.66 mi8:22
12:41
+2:05
10.5M
1:48:5010:220.24 mi4:16
17:47
+5:06
12M
2:14:4611:141.50 mi25:56
17:17
-0:30
Finish(13.11 mi)
2:29:2211:241.11 mi14:36
13:10
-4:07
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

9:38 /mi

Average Pace

11:24 /mi

Slowest Pace

17:47 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

1:36:12

64% of race

Time at Slower Pace

53:10

36% of race

Average Pace: 11:24 /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 81%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:38

Segment Time

14:02/mi

Pace

0.90 mi

Distance

Overall

5320

Men

3094

Division

118

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
2M2.00 mi267618705550232932107
4M2.00 mi2445+2311731+13946+92311165946
6M2.00 mi2321+1241654+7745+12212159042
8M2.00 mi2512-1911789-13552-73112213170
9.6M1.60 mi2852-3401961-17264-124655274397
10.26M0.66 mi2955-1032021-6067-34002249886
10.5M0.24 mi3173-2182138-11772-565123582141
12M1.50 mi3568-3952341-20375-350232932107
Finish(13.11 mi)1.11 mi3784-2162450-10985-1056433198129

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 76%
~flat
+5ft-3ft

Overall

5023

Males

2932

M55-59

107

2M→4M

2.0 - 4.0 mi

Top 35%
×4story building
+67ft-69ft

Overall

2311

Males

1659

M55-59

46

4M→6M

4.0 - 6.0 mi

Top 34%
×9story building
+123ft-9ft

Overall

2212

Males

1590

M55-59

42

6M→8M

6.0 - 8.0 mi

Top 47%
×12story building
+166ft-53ft

Overall

3112

Males

2131

M55-59

70

8M→9.6M

8.0 - 9.6 mi

Top 71%
×13story building
+68ft-193ft

Overall

4655

Males

2743

M55-59

97

9.6M→10.26M

9.6 - 10.3 mi

Top 61%
×9story building
+0ft-114ft

Overall

4002

Males

2498

M55-59

86

10.26M→10.5M

10.3 - 10.5 mi

Top 99%
~flat
+1ft-0ft

Overall

6512

Males

3582

M55-59

141

10.5M→12M

10.5 - 12.0 mi

Top 76%
×21story building
+280ft-26ft

Overall

5023

Males

2932

M55-59

107

12M→Finish

12.0 - 13.1 mi

Top 86%
×7story building
+14ft-89ft

Overall

5643

Males

3198

M55-59

129

Passing Analysis

Category:
Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#2676
2M4M
34265+231
#2676 #2445
4M6M
30154+124
#2445 #2321
6M8M
24958*-191
#2321 #2512
8M9.6M
3444-340
#2512 #2852
9.6M10.26M
12219-103
#2852 #2955
10.26M10.5M
2191-218
#2955 #3173
10.5M12M
40510-395
#3173 #3568
12MFinish
23822*-216
#3568 #3784
TOTALS
1641533*-1108
#2676 #3784

* 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

Race Place Events

Race Place Events