Simon Guo

Stanford, CA

Bib: 15740 M 24

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 12%
Gender (Male)
#0 / 3977
Top 18%
M20-29
#0 / 437
Top 25%
Race Day Weather
56°/46°F
light rain

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.81M
8:33/mi
15:28
→ flat
12 ft elev
5.34M
8:34/mi
45:41
8074
19 ft elev
6.15M
8:41/mi
52:43
1262.8%
149 ft elev
10.54M
8:12/mi
1:28:43
2303610.6%
20 ft elev
11.05M
9:17/mi
1:33:27
1726.4%
213 ft elev
Finish· 13.11 mi
9:03/mi
1:52:05
971140.2%
205 ft elev
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
52:438:34 /mi⚡ faster
2nd Half
59:228:32 /mi+12.6%
Positive split — 12.6% slower in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi06:59:5815:288:3315:28
8:33
-
5.34M
5.34 mi07:30:1145:418:3330:13
8:34
+0:01
6.15M
6.15 mi07:37:1352:438:347:02
8:41
+0:07
10.54M
10.54 mi08:13:131:28:438:2536:00
8:12
-0:29
11.05M
11.05 mi08:17:571:33:278:274:44
9:17
+1:05
Finish
13.11 mi08:36:351:52:058:3318:38
9:03
-0:14

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

8:12 /mi

Average Pace

8:33 /mi

Slowest Pace

9:17 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

1:28:43

79% of race

Time at Steady Pace

23:22

21% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:33 /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.

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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
1.81M
1.81 mi06:59:5815:288:3315:28
8:33
#1226
5.34M
5.34 mi07:30:1145:418:3330:13
8:34
#1149
6.15M
6.15 mi07:37:1352:438:347:02
8:41
#1104
10.54M
10.54 mi08:13:131:28:438:2536:00
8:12
#891
11.05M
11.05 mi08:17:571:33:278:274:44
9:17
#818
Finish
13.11 mi08:36:351:52:058:3318:38
9:03
#844
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
1.81M1.81 mi1.81 mi12269871471226987147
5.34M5.34 mi3.53 mi1149+77918+69134+131145919136
6.15M6.15 mi0.81 mi1104+45888+30133+1952775130
10.54M10.54 mi4.39 mi891+213737+151109+2467256296
11.05M11.05 mi0.51 mi818+73680+57104+511810822
Finish13.11 mi2.06 mi844-26699-19108-41236971154

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 17%
~flat
+4ft-3ft

Overall

1226

Males

987

M20-24

147

1.81M→5.34M

1.8 - 5.3 mi

Top 16%
×4story building
+80ft-74ft

Overall

1145

Males

919

M20-24

136

5.34M→6.15M

5.3 - 6.2 mi

Top 13%
×10story building
+126ft-4ft

Overall

952

Males

775

M20-24

130

6.15M→10.54M

6.2 - 10.5 mi

Top 9%
×21story building
+230ft-361ft

Overall

672

Males

562

M20-24

96

10.54M→11.05M

10.5 - 11.1 mi

Top 2%
×14story building
+172ft-0ft

Overall

118

Males

108

M20-24

22

11.05M→Finish

11.1 - 13.1 mi

Top 17%
×7story building
+97ft-114ft

Overall

1236

Males

971

M20-24

154

Passing Analysis

Category:
Athletes Passed
507*
Passed By
125
Net Change
+382
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#1226
1.81M5.34M14568+77#1226#1149
5.34M6.15M527+45#1149#1104
6.15M10.54M2207+213#1104#891
10.54M11.05M730+73#891#818
11.05MFinish17*43-26#818#844
TOTALS507*125+382

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

Passing Charts

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