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SF MARATHON 1ST HALF 2023

James Carson

Bib: 9494•M•Age: 39

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 14%
Gender (Male)
#0 / 3331
Top 19%
Division (M35-39)
#0 / 464
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
7:54/mi
11:03
→ flat
2.13M
16:01/mi
22:45
→ flat
6.43M
9:54/mi
1:05:18
↑ 274↓ 780.9%
6.62M
-31:-20/mi
59:32
↑ 161.6%
10.65M
8:24/mi
1:33:23
↑ 153↓ 3611.0%
Finish· 13.11 mi
8:17/mi
1:53:46
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time59:32
Pace9:00 /mi
2nd Half✓ Faster
Distance6.49 mi
Time54:14
Pace8:21 /mi
📊Negative Split: 8.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi06:50:5011:037:5411:03
7:54
-
2.13M
2.13 mi07:02:3222:4510:4111:42
16:01
+8:07
6.43M
6.43 mi07:45:051:05:1810:0942:33
9:54
-6:07
6.62M
6.62 mi07:39:1959:329:00
-31:-20
-41:14
10.65M
10.65 mi08:13:101:33:238:4633:51
8:24
+39:44
Finish
13.11 mi08:33:331:53:468:4120:23
8:17
-0:07

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

-32:-20 /mi

Average Pace

8:41 /mi

Slowest Pace

16:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:46

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:41 /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 mi06:50:5011:037:5411:03
7:54
#755
2.13M
2.13 mi07:02:3222:4510:4111:42
16:01
#749
6.43M
6.43 mi07:45:051:05:1810:0942:33
9:54
#765
6.62M
6.62 mi07:39:1959:329:00
-31:-20
#728
10.65M
10.65 mi08:13:101:33:238:4633:51
8:24
#770
Finish
13.11 mi08:33:331:53:468:4120:23
8:17
#823
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
1.40M1.40 mi1.40 mi75557178755(Top 12%)571(Top 17%)78(Top 17%)
2.13M2.13 mi0.73 mi749+6573-285-7827(Top 14%)614(Top 18%)86(Top 19%)
6.43M6.43 mi4.30 mi765-16597-2492-7812(Top 13%)626(Top 19%)93(Top 20%)
6.62M6.62 mi0.19 mi728+37565+3284+8---
10.65M10.65 mi4.03 mi770-42595-3090-6934(Top 15%)711(Top 21%)98(Top 21%)
Finish13.11 mi2.46 mi823-53631-3692-21320(Top 22%)950(Top 29%)133(Top 29%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 12%
~flat
+3ft-2ft

Overall

755

Males

571

M35-39

78

1.40M→2.13M

1.4 - 2.1 mi

Top 14%
~flat
+3ft-1ft

Overall

827

Males

614

M35-39

87

2.13M→6.43M

2.1 - 6.4 mi

Top 13%
×17story building
+274ft-78ft

Overall

812

Males

626

M35-39

93

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M35-39

-

6.62M→10.65M

6.6 - 10.7 mi

Top 15%
×21story building
+153ft-361ft

Overall

934

Males

711

M35-39

98

10.65M→Finish

10.7 - 13.1 mi

Top 22%
×17story building
+244ft-114ft

Overall

1320

Males

950

M35-39

133

Passing Analysis

Category:
Athletes Passed
273*
Passed By
341
Net Change
-68
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#755
1.40M → 2.13M7872+6#755#749
2.13M → 6.43M86102-16#749#765
6.43M → 6.62M5013+37#765#728
6.62M → 10.65M32*74-42#728#770
10.65M → Finish27*80-53#770#823
TOTALS273*341-68

* 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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