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SF MARATHON 1ST HALF 2023

David Gonzalez

Bib: 16535•M•Age: 48

El Sobrante, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Gender (Male)
#0 / 3331
Masters (Masters Men)
#0 / 1028
Division (M45-49)
#0 / 241
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
12:49/mi
17:56
→ flat
2.13M
26:01/mi
36:56
→ flat
6.43M
16:40/mi
1:48:36
↑ 274↓ 780.9%
6.62M
-51:-45/mi
1:38:57
↑ 161.6%
10.65M
13:44/mi
2:34:19
↑ 153↓ 3611.0%
Finish· 13.11 mi
12:47/mi
3:05:46
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:38:57
Pace14:57 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:26:49
Pace13:23 /mi
📊Negative Split: 12.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:03:0817:5612:4917:56
12:49
-
2.13M
2.13 mi07:22:0836:5617:2019:00
26:01
+13:12
6.43M
6.43 mi08:33:481:48:3616:531:11:40
16:40
-9:21
6.62M
6.62 mi08:24:091:38:5714:57
-51:-45
-68:25
10.65M
10.65 mi09:19:312:34:1914:2955:22
13:44
+65:29
Finish
13.11 mi09:50:583:05:4614:1031:27
12:47
-0:57

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

-52:-45 /mi

Average Pace

14:10 /mi

Slowest Pace

26:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05:46

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 14:10 /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 mi07:03:0817:5612:4917:56
12:49
#5677
2.13M
2.13 mi07:22:0836:5617:2019:00
26:01
#5818
6.43M
6.43 mi08:33:481:48:3616:531:11:40
16:40
#5865
6.62M
6.62 mi08:24:091:38:5714:57
-51:-45
#5850
10.65M
10.65 mi09:19:312:34:1914:2955:22
13:44
#5828
Finish
13.11 mi09:50:583:05:4614:1031:27
12:47
#5750
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
1.40M1.40 mi1.40 mi567731842235677(Top 93%)3184(Top 96%)223(Top 93%)
2.13M2.13 mi0.73 mi5818-1413257-73230-75871(Top 97%)3275(Top 98%)231(Top 96%)
6.43M6.43 mi4.30 mi5865-473270-13236-65832(Top 96%)3246(Top 97%)234(Top 97%)
6.62M6.62 mi0.19 mi5850+153259+11234+2---
10.65M10.65 mi4.03 mi5828+223249+10231+35710(Top 94%)3183(Top 96%)224(Top 93%)
Finish13.11 mi2.46 mi5750+783217+32226+55330(Top 88%)3015(Top 91%)216(Top 90%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 93%
~flat
+3ft-2ft

Overall

5677

Males

3184

M45-49

223

1.40M→2.13M

1.4 - 2.1 mi

Top 97%
~flat
+3ft-1ft

Overall

5871

Males

3275

M45-49

233

2.13M→6.43M

2.1 - 6.4 mi

Top 96%
×17story building
+274ft-78ft

Overall

5832

Males

3246

M45-49

236

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M45-49

-

6.62M→10.65M

6.6 - 10.7 mi

Top 94%
×21story building
+153ft-361ft

Overall

5710

Males

3183

M45-49

225

10.65M→Finish

10.7 - 13.1 mi

Top 88%
×17story building
+244ft-114ft

Overall

5330

Males

3015

M45-49

216

Passing Analysis

Category:
Athletes Passed
341*
Passed By
414
Net Change
-73
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#5677
1.40M → 2.13M63204-141#5677#5818
2.13M → 6.43M92*139-47#5818#5865
6.43M → 6.62M2611+15#5865#5850
6.62M → 10.65M72*50+22#5850#5828
10.65M → Finish88*10+78#5828#5750
TOTALS341*414-73

* 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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