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SF MARATHON 1ST HALF 2023

Raymond Zhen

Bib: 12921•M•Age: 22

Chicago, IL

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 8%
Gender (Male)
#0 / 3331
Top 11%
M20-29
#0 / 333
Top 20%
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
7:44/mi
10:50
→ flat
2.13M
17:18/mi
23:28
→ flat
6.43M
9:31/mi
1:04:25
↑ 274↓ 780.9%
6.62M
-27:-28/mi
59:23
↑ 161.6%
10.65M
7:48/mi
1:30:51
↑ 153↓ 3611.0%
Finish· 13.11 mi
7:06/mi
1:48:19
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time59:23
Pace8:58 /mi
2nd Half✓ Faster
Distance6.49 mi
Time48:56
Pace7:32 /mi
📊Negative Split: 17.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:02:0110:507:4410:50
7:44
-
2.13M
2.13 mi07:14:3923:2811:0112:38
17:18
+9:34
6.43M
6.43 mi07:55:361:04:2510:0140:57
9:31
-7:47
6.62M
6.62 mi07:50:3459:238:58
-27:-28
-36:59
10.65M
10.65 mi08:22:021:30:518:3231:28
7:48
+35:16
Finish
13.11 mi08:39:301:48:198:1617:28
7:06
-0:42

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

-28:-28 /mi

Average Pace

8:16 /mi

Slowest Pace

17:18 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:19

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:16 /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 mi07:02:0110:507:4410:50
7:44
#599
2.13M
2.13 mi07:14:3923:2811:0112:38
17:18
#1030
6.43M
6.43 mi07:55:361:04:2510:0140:57
9:31
#645
6.62M
6.62 mi07:50:3459:238:58
-27:-28
#700
10.65M
10.65 mi08:22:021:30:518:3231:28
7:48
#570
Finish
13.11 mi08:39:301:48:198:1617:28
7:06
#482
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
1.40M1.40 mi1.40 mi59946978599(Top 10%)469(Top 14%)78(Top 23%)
2.13M2.13 mi0.73 mi1030-431756-287117-391584(Top 26%)1093(Top 33%)156(Top 47%)
6.43M6.43 mi4.30 mi645+385508+24881+36533(Top 9%)415(Top 12%)67(Top 20%)
6.62M6.62 mi0.19 mi700-55546-3890-9---
10.65M10.65 mi4.03 mi570+130455+9177+13409(Top 7%)330(Top 10%)60(Top 18%)
Finish13.11 mi2.46 mi482+88382+7367+10289(Top 5%)240(Top 7%)45(Top 14%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 10%
~flat
+3ft-2ft

Overall

599

Males

469

M20-24

78

1.40M→2.13M

1.4 - 2.1 mi

Top 26%
~flat
+3ft-1ft

Overall

1584

Males

1093

M20-24

156

2.13M→6.43M

2.1 - 6.4 mi

Top 9%
×17story building
+274ft-78ft

Overall

533

Males

415

M20-24

67

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M20-24

-

6.62M→10.65M

6.6 - 10.7 mi

Top 7%
×21story building
+153ft-361ft

Overall

409

Males

330

M20-24

60

10.65M→Finish

10.7 - 13.1 mi

Top 5%
×17story building
+244ft-114ft

Overall

289

Males

240

M20-24

45

Passing Analysis

Category:
Athletes Passed
659*
Passed By
542
Net Change
+117
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#599
1.40M → 2.13M8439-431#599#1030
2.13M → 6.43M402*17+385#1030#645
6.43M → 6.62M1469-55#645#700
6.62M → 10.65M140*10+130#700#570
10.65M → Finish95*7+88#570#482
TOTALS659*542+117

* 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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Public Race Data

The San Francisco Marathon

The San Francisco Marathon

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