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SF MARATHON 1ST HALF 2023

Shane Cheng

San Mateo, CA

Bib: 10526 M 38

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 35%
Gender (Male)
#0 / 3331
Top 43%
Division (M35-39)
#0 / 464
Top 42%
Race Day Weather
60°/50°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.40M
8:45/mi
12:15
→ flat
2.13M
17:40/mi
25:09
→ flat
6.43M
11:15/mi
1:13:33
↑ 274↓ 78
6.62M
-38:-41/mi
1:06:23
↑ 16
10.65M
9:32/mi
1:44:47
↑ 153↓ 361
Finish· 13.11 mi
9:28/mi
2:08:04
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:06:2310:02 /mi+7.1%
2nd Half
1:01:419:30 /mi✓ faster
Negative split — 7.1% faster in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
1.40M
12:158:451.40 mi12:15
8:45
-
2.13M
25:0911:480.73 mi12:54
17:40
+8:55
6.43M
1:13:3311:264.30 mi48:24
11:15
-6:25
6.62M
1:06:2310:020.19 mi
-38:-41
-49:56
10.65M
1:44:479:504.03 mi38:24
9:32
+48:13
Finish(13.11 mi)
2:08:049:462.46 mi23:17
9:28
-0:04
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-39:-41 /mi

Average Pace

9:46 /mi

Slowest Pace

17:40 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:08:04

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:46 /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
1.40M1.40 mi1960134817319601348173
2.13M0.73 mi1845+1151271+77161+1218561272165
6.43M4.30 mi2058-2131418-147193-3222531520212
6.62M0.19 mi1876+1821296+122172+21---
10.65M4.03 mi1999-1231377-81185-1323691579211
Finish(13.11 mi)2.46 mi2125-1261446-69194-926701708233

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 32%
~flat
+3ft-2ft

Overall

1960

Males

1348

M35-39

173

1.40M→2.13M

1.4 - 2.1 mi

Top 31%
~flat
+3ft-1ft

Overall

1856

Males

1272

M35-39

166

2.13M→6.43M

2.1 - 6.4 mi

Top 37%
×17story building
+274ft-78ft

Overall

2253

Males

1520

M35-39

212

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M35-39

-

6.62M→10.65M

6.6 - 10.7 mi

Top 39%
×21story building
+153ft-361ft

Overall

2369

Males

1579

M35-39

211

10.65M→Finish

10.7 - 13.1 mi

Top 44%
×17story building
+244ft-114ft

Overall

2670

Males

1708

M35-39

233

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#1960
1.40M → 2.13M
96211+115
#1960 → #1845
2.13M → 6.43M
329116*-213
#1845 → #2058
6.43M → 6.62M
12194+182
#2058 → #1876
6.62M → 10.65M
18865*-123
#1876 → #1999
10.65M → Finish
16236*-126
#1999 → #2125
TOTALS
787622*-165
#1960 → #2125

* 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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The San Francisco Marathon

The San Francisco Marathon

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