Marlon Welch
Petaluma, CA
Bib: 45968 M 53
Masters
0:00
0:00
/ miMasters
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Overall
#0 / 1903
Gender (Male)
#0 / 909
Masters (Masters Men)
#0 / 327
Division (M50-54)
#0 / 52
Race Day Weather
60°/50°F
few clouds
Race Timeline
Ribbon color based on
FasterSteadySlower· vs. your average pace
Mile 0.5 · 20 ft
Mile 1.0 · 17 ft
Mile 2.0 · 13 ft
Mile 2.5 · 13 ft
Start
0:00
Race begins
2.5K· 1.55 mi
11:40/mi
18:07
↓ 12 ft0.1% grade
Finish· 3.11 mi
12:29/mi
37:30
→ flat
Course Elevation
9ft
Total climb
13ft
Range
10 to 23 ft
22ft
Total descent
About the height of a single-story building
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The Course
Half Splits
1st Half· via 2.5K
18:0711:40 /mi⚡ faster
2nd Half
19:2312:29 /mi+7.0%
Positive split — 7.0% slower in the second half
Checkpoint Splits
| Checkpoint | Time | Avg Pace | Segment Length | Segment Time | Segment Pace | Trend | Diff |
|---|---|---|---|---|---|---|---|
2.5K | 18:07 | 11:40 | 1.55 mi | 18:07 | 11:40 | - | |
Finish(3.11 mi) | 37:30 | 12:04 | 1.56 mi | 19:23 | 12:29 | +0:49 |
Trend:
Faster pace
Steady pace
Slower pace
Checkpoints & Pacing
Pace Line
Fastest Pace
11:40 /mi
Average Pace
12:04 /mi
Slowest Pace
12:29 /mi
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Fastest
Middle
Slowest
Average
Segments
Time at Faster Pace
18:07
48% of race
Time at Steady Pace
19:23
52% of race
Time at Slower Pace
0:00
0% of race
Average Pace: 12:03 /mi
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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)
Heatmap
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0mi0.8mi1.6mi2.3mi3.1mi
Pace:
Faster
Steady
Slower
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Males | M50-54 | Seg. Overall | Seg. Males | Seg. M50-54 |
|---|---|---|---|---|---|---|---|
| 2.5K | 1.55 mi | 1073 | 633 | 37 | 1073 | 633 | 37 |
| Finish(3.11 mi) | 1.56 mi | 1100-27 | 645-12 | 39-2 | 1147 | 654 | 38 |
Segment Performance Analysis
Start → 2.5K
0.0 - 1.6 mi
23 ft13 ft
↑ 2ft↓ 12ft
10 ft
Overall
1073
Males
633
M50-54
37
2.5K→Finish
1.6 - 3.1 mi
16 ft13 ft
↑ 3ft↓ 7ft
3 ft
Overall
1147
Males
654
M50-54
38
Passing Analysis
No position changes recorded for this athlete.
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Race managed by
The San Francisco Marathon
