Capital Road Race Management
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SF MARATHON 2ND HALF 2025

Mark Chalwin

Lafayette, CA

Bib: 20777 M 51

0:00
0:00
/ mi
Masters
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Overall
#0 / 3608
Top 12%
Gender (Male)
#0 / 1949
Top 17%
Masters (Masters Men)
#0 / 495
Top 12%
Division (M50-54)
#0 / 91
Top 10%
Race Day Weather
56°/46°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
48 ft elev
1.2M
8:17/mi
9:56
↑ 1101.6%
149 ft elev
4.9M
7:23/mi
37:16
↑ 243↓ 1260.6%
253 ft elev
11.9M
7:57/mi
1:32:56
↑ 186↓ 4270.6%
11 ft elev
Finish· 13.11 mi
8:34/mi
1:43:18
→ flat
11 ft elev
Course Elevation
9–292 ft
≈
×24story building
•▲ 548 ft climb · ▼ 587 ft descent

The Course

Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
1.2M
9:568:171.20 mi9:56
8:17
-
4.9M
37:167:363.70 mi27:20
7:23
-0:54
11.9M
1:32:567:497.00 mi55:40
7:57
+0:34
Finish(13.11 mi)
1:43:187:531.21 mi10:22
8:34
+0:37
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:23 /mi

Average Pace

7:53 /mi

Slowest Pace

8:34 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:23:00

80% of race

Time at Steady Pace

20:18

20% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:53 /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. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
1.2M1.20 mi40732354073235
4.9M3.70 mi372+35300+238-33763028
11.9M7.00 mi405-33328-28846237510
Finish(13.11 mi)1.21 mi419-14337-99-165549917

Segment Performance Analysis

Start → 1.2M

0.0 - 1.2 mi

Top 11%
×9story building
+110ft-10ft

Overall

407

Males

323

M50-54

6

1.2M→4.9M

1.2 - 4.9 mi

Top 10%
×14story building
+243ft-126ft

Overall

376

Males

302

M50-54

8

4.9M→11.9M

4.9 - 11.9 mi

Top 13%
×22story building
+186ft-427ft

Overall

462

Males

375

M50-54

10

11.9M→Finish

11.9 - 13.1 mi

Top 18%
×1human
+7ft-8ft

Overall

655

Males

499

M50-54

17

Passing Analysis

Category:
Passed
70*
Passed By
82
Net Change
-12
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.2M----#407
1.2M → 4.9M50*15+35#407#372
4.9M → 11.9M1851-33#372#405
11.9M → Finish216-14#405#419
TOTALS70*82-12

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

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support