David Horn

Livermore, CA

Bib: 14426 M 39

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 28%
Gender (Male)
#0 / 3977
Top 37%
Division (M35-39)
#0 / 583
Top 34%
Race Day Weather
56°/46°F
light rain

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.81M
9:15/mi
16:45
→ flat
5.34M
9:15/mi
49:25
8074
6.15M
9:50/mi
57:23
126
10.54M
9:19/mi
1:38:18
230361
11.05M
12:17/mi
1:44:34
172
Finish· 13.11 mi
9:35/mi
2:04:19
97114
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
57:239:20 /mi⚡ faster
2nd Half
1:06:569:37 /mi+16.6%
Positive split — 16.6% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
1.81M
16:459:151.81 mi16:45
9:15
-
5.34M
49:259:153.53 mi32:40
9:15
0:00
6.15M
57:239:200.81 mi7:58
9:50
+0:35
10.54M
1:38:189:204.39 mi40:55
9:19
-0:31
11.05M
1:44:349:280.51 mi6:16
12:17
+2:58
Finish(13.11 mi)
2:04:199:292.06 mi19:45
9:35
-2:42
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

9:15 /mi

Average Pace

9:29 /mi

Slowest Pace

12:17 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

1:58:03

95% of race

Time at Slower Pace

6:16

5% of race

Average Pace: 9:29 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
1.81M1.81 mi2397174225323971742253
5.34M3.53 mi2255+1421645+97230+2322351638228
6.15M0.81 mi2265-101653-8229+124821779247
10.54M4.39 mi2099+1661553+100214+1519681475199
11.05M0.51 mi2041+581517+36209+518781390179
Finish(13.11 mi)2.06 mi2000+411477+40200+919361410198

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 34%
~flat
+4ft-3ft

Overall

2397

Males

1742

M35-39

253

1.81M→5.34M

1.8 - 5.3 mi

Top 31%
×4story building
+80ft-74ft

Overall

2235

Males

1638

M35-39

228

5.34M→6.15M

5.3 - 6.2 mi

Top 35%
×10story building
+126ft-4ft

Overall

2482

Males

1779

M35-39

247

6.15M→10.54M

6.2 - 10.5 mi

Top 28%
×21story building
+230ft-361ft

Overall

1968

Males

1475

M35-39

199

10.54M→11.05M

10.5 - 11.1 mi

Top 26%
×14story building
+172ft-0ft

Overall

1878

Males

1390

M35-39

179

11.05M→Finish

11.1 - 13.1 mi

Top 27%
×7story building
+97ft-114ft

Overall

1936

Males

1410

M35-39

198

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#2397
1.81M5.34M
117259*+142
#2397 #2255
5.34M6.15M
5444-10
#2255 #2265
6.15M10.54M
66232*+166
#2265 #2099
10.54M11.05M
1371+58
#2099 #2041
11.05MFinish
3374*+41
#2041 #2000
TOTALS
283680*+397
#2397 #2000

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

Passing Visualized

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

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