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SF MARATHON 1ST HALF 2023

Casey Fong

Bib: 13564•M•Age: 13

Castro Valley, CA

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Male)
#0 / 3331
M19 & Under
#0 / 94
Race Day Weather
60°/50°F
overcast clouds

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.40M
8:38/mi
12:05
→ flat
2.13M
19:27/mi
26:17
→ flat
6.43M
13:39/mi
1:24:57
↑ 274↓ 780.9%
6.62M
-46:-24/mi
1:16:19
↑ 161.6%
10.65M
12:30/mi
2:06:43
↑ 153↓ 3611.0%
Finish· 13.11 mi
12:45/mi
2:38:04
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62MFaster
Distance6.62 mi
Time1:16:19
Pace11:32 /mi
2nd Half
Distance6.49 mi
Time1:21:45
Pace12:36 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi06:51:3812:058:3812:05
8:38
-
2.13M
2.13 mi07:05:5026:1712:2014:12
19:27
+10:49
6.43M
6.43 mi08:04:301:24:5713:1358:40
13:39
-5:48
6.62M
6.62 mi07:55:521:16:1911:32
-46:-24
-60:03
10.65M
10.65 mi08:46:162:06:4311:5450:24
12:30
+58:54
Finish
13.11 mi09:17:372:38:0412:0331:21
12:45
+0:15

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

-47:-24 /mi

Average Pace

12:03 /mi

Slowest Pace

19:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:04

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 12:03 /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
1.40M
1.40 mi06:51:3812:058:3812:05
8:38
#1783
2.13M
2.13 mi07:05:5026:1712:2014:12
19:27
#2503
6.43M
6.43 mi08:04:301:24:5713:1358:40
13:39
#4046
6.62M
6.62 mi07:55:521:16:1911:32
-46:-24
#3852
10.65M
10.65 mi08:46:162:06:4311:5450:24
12:30
#4543
Finish
13.11 mi09:17:372:38:0412:0331:21
12:45
#4757
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM19 & UnderSeg. OverallSeg. MalesSeg. M19 & Under
1.40M1.40 mi1.40 mi17831230441783(Top 29%)1230(Top 37%)44(Top 47%)
2.13M2.13 mi0.73 mi2503-7201669-43958-143337(Top 55%)2115(Top 63%)65(Top 69%)
6.43M6.43 mi4.30 mi4046-15432492-82377-194645(Top 76%)2755(Top 83%)84(Top 89%)
6.62M6.62 mi0.19 mi3852+1942390+10272+5---
10.65M10.65 mi4.03 mi4543-6912714-32482-105259(Top 87%)2987(Top 90%)86(Top 91%)
Finish13.11 mi2.46 mi4757-2142811-97825311(Top 87%)3005(Top 90%)87(Top 93%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 29%
~flat
+3ft-2ft

Overall

1783

Males

1230

M0-14

3

1.40M→2.13M

1.4 - 2.1 mi

Top 55%
~flat
+3ft-1ft

Overall

3337

Males

2115

M0-14

6

2.13M→6.43M

2.1 - 6.4 mi

Top 76%
×17story building
+274ft-78ft

Overall

4645

Males

2755

M0-14

6

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M0-14

-

6.62M→10.65M

6.6 - 10.7 mi

Top 87%
×21story building
+153ft-361ft

Overall

5259

Males

2987

M0-14

7

10.65M→Finish

10.7 - 13.1 mi

Top 87%
×17story building
+244ft-114ft

Overall

5311

Males

3005

M0-14

7

Passing Analysis

Category:
Athletes Passed
261*
Passed By
3235
Net Change
-2974
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#1783
1.40M → 2.13M14734-720#1783#2503
2.13M → 6.43M19*1562-1543#2503#4046
6.43M → 6.62M2017+194#4046#3852
6.62M → 10.65M8*699-691#3852#4543
10.65M → Finish19*233-214#4543#4757
TOTALS261*3235-2974

* 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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The San Francisco Marathon

The San Francisco Marathon

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