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SF MARATHON 1ST HALF 2023

Jared Kozal

Bib: 9288•M•Age: 34

Menlo Park, CA

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 20%
Gender (Male)
#0 / 3331
Top 27%
Division (M30-34)
#0 / 723
Top 28%
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
8:08/mi
11:23
→ flat
2.13M
17:31/mi
24:10
→ flat
6.43M
10:30/mi
1:09:19
↑ 274↓ 780.9%
6.62M
-32:-2/mi
1:03:25
↑ 161.6%
10.65M
8:40/mi
1:38:22
↑ 153↓ 3611.0%
Finish· 13.11 mi
8:05/mi
1:58:14
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:03:25
Pace9:35 /mi
2nd Half✓ Faster
Distance6.49 mi
Time54:49
Pace8:27 /mi
📊Negative Split: 13.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi06:42:1011:238:0811:23
8:08
-
2.13M
2.13 mi06:54:5724:1011:2112:47
17:31
+9:23
6.43M
6.43 mi07:40:061:09:1910:4745:09
10:30
-7:01
6.62M
6.62 mi07:34:121:03:259:35
-32:-2
-42:32
10.65M
10.65 mi08:09:091:38:229:1434:57
8:40
+40:42
Finish
13.11 mi08:29:011:58:149:0119:52
8:05
-0:35

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

-33:-2 /mi

Average Pace

9:01 /mi

Slowest Pace

17:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:14

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:01 /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 mi06:42:1011:238:0811:23
8:08
#1031
2.13M
2.13 mi06:54:5724:1011:2112:47
17:31
#1326
6.43M
6.43 mi07:40:061:09:1910:4745:09
10:30
#1318
6.62M
6.62 mi07:34:121:03:259:35
-32:-2
#1316
10.65M
10.65 mi08:09:091:38:229:1434:57
8:40
#1271
Finish
13.11 mi08:29:011:58:149:0119:52
8:05
#1201
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
1.40M1.40 mi1.40 mi10317631591031(Top 17%)763(Top 23%)159(Top 22%)
2.13M2.13 mi0.73 mi1326-295948-185206-471742(Top 29%)1199(Top 36%)265(Top 37%)
6.43M6.43 mi4.30 mi1318+8965-17211-51383(Top 23%)1013(Top 30%)227(Top 31%)
6.62M6.62 mi0.19 mi1316+2953+12210+1---
10.65M10.65 mi4.03 mi1271+45945+8206+41241(Top 20%)916(Top 27%)203(Top 28%)
Finish13.11 mi2.46 mi1201+70897+48199+71098(Top 18%)816(Top 24%)181(Top 25%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 17%
~flat
+3ft-2ft

Overall

1031

Males

763

M30-34

160

1.40M→2.13M

1.4 - 2.1 mi

Top 29%
~flat
+3ft-1ft

Overall

1742

Males

1199

M30-34

268

2.13M→6.43M

2.1 - 6.4 mi

Top 23%
×17story building
+274ft-78ft

Overall

1383

Males

1013

M30-34

229

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M30-34

-

6.62M→10.65M

6.6 - 10.7 mi

Top 20%
×21story building
+153ft-361ft

Overall

1241

Males

916

M30-34

205

10.65M→Finish

10.7 - 13.1 mi

Top 18%
×17story building
+244ft-114ft

Overall

1098

Males

816

M30-34

181

Passing Analysis

Category:
Athletes Passed
415*
Passed By
585
Net Change
-170
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#1031
1.40M → 2.13M22317-295#1031#1326
2.13M → 6.43M143*135+8#1326#1318
6.43M → 6.62M4543+2#1318#1316
6.62M → 10.65M115*70+45#1316#1271
10.65M → Finish90*20+70#1271#1201
TOTALS415*585-170

* 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

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