Alvin Kao

Fremont, CA

Bib: 14781 M 28

0:00
0:00
/ mi
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Overall
#0 / 7100
Gender (Male)
#0 / 3977
Division (M25-29)
#0 / 899
Race Day Weather
56°/46°F
light rain

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.81M
10:31/mi
19:01
→ flat
5.34M
10:31/mi
56:07
8074
6.15M
11:01/mi
1:05:02
126
10.54M
11:04/mi
1:53:39
230361
11.05M
15:12/mi
2:01:24
172
Finish· 13.11 mi
11:32/mi
2:25:09
97114
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:05:0210:35 /mi⚡ faster
2nd Half
1:20:0711:31 /mi+23.2%
Positive split — 23.2% 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
1.81M
19:0110:311.81 mi19:01
10:31
-
5.34M
56:0710:313.53 mi37:06
10:31
0:00
6.15M
1:05:0210:350.81 mi8:55
11:01
+0:30
10.54M
1:53:3910:474.39 mi48:37
11:04
+0:03
11.05M
2:01:2410:590.51 mi7:45
15:12
+4:08
Finish(13.11 mi)
2:25:0911:042.06 mi23:45
11:32
-3:40
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

10:31 /mi

Average Pace

11:04 /mi

Slowest Pace

15:12 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:17:24

95% of race

Time at Slower Pace

7:45

5% of race

Average Pace: 11:04 /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

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
1.81M1.81 mi4916305372049163053720
5.34M3.53 mi4435+4812824+229678+4242662744663
6.15M0.81 mi4370+652793+31679-141572691666
10.54M4.39 mi4325+452766+27669+1043452763664
11.05M0.51 mi4290+352749+17667+240612586626
Finish(13.11 mi)2.06 mi4311-212734+15661+644632730655

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 69%
~flat
+4ft-3ft

Overall

4916

Males

3053

M25-29

721

1.81M→5.34M

1.8 - 5.3 mi

Top 60%
×4story building
+80ft-74ft

Overall

4266

Males

2744

M25-29

664

5.34M→6.15M

5.3 - 6.2 mi

Top 59%
×10story building
+126ft-4ft

Overall

4157

Males

2691

M25-29

667

6.15M→10.54M

6.2 - 10.5 mi

Top 61%
×21story building
+230ft-361ft

Overall

4345

Males

2763

M25-29

665

10.54M→11.05M

10.5 - 11.1 mi

Top 57%
×14story building
+172ft-0ft

Overall

4061

Males

2586

M25-29

627

11.05M→Finish

11.1 - 13.1 mi

Top 63%
×7story building
+97ft-114ft

Overall

4463

Males

2730

M25-29

655

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#4916
1.81M5.34M
87568*+481
#4916 #4435
5.34M6.15M
38103+65
#4435 #4370
6.15M10.54M
172217*+45
#4370 #4325
10.54M11.05M
4580+35
#4325 #4290
11.05MFinish
10887*-21
#4290 #4311
TOTALS
4501055*+605
#4916 #4311

* 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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