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SF MARATHON 1ST HALF 2023

Peter Deng

Los Altos Hills, CA

Bib: 10727 M 39

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 41%
Gender (Male)
#0 / 3331
Top 50%
Division (M35-39)
#0 / 464
Top 48%
Race Day Weather
60°/50°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.40M
8:45/mi
12:15
→ flat
11 ft elev
2.13M
18:12/mi
25:32
→ flat
13 ft elev
6.43M
12:27/mi
1:19:02
↑ 274↓ 780.9%
213 ft elev
6.62M
-32:-18/mi
1:13:05
↑ 161.6%
239 ft elev
10.65M
8:57/mi
1:49:10
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
9:09/mi
2:11:40
↑ 244↓ 1141.0%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:13:0511:02 /mi+19.8%
2nd Half
58:359:02 /mi✓ faster
Negative split — 19.8% 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
25:3211:590.73 mi13:17
18:12
+9:27
6.43M
1:19:0212:174.30 mi53:30
12:27
-5:45
6.62M
1:13:0511:020.19 mi
-32:-18
-44:45
10.65M
1:49:1010:154.03 mi36:05
8:57
+41:15
Finish(13.11 mi)
2:11:4010:032.46 mi22:30
9:09
+0:12
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-33:-18 /mi

Average Pace

10:03 /mi

Slowest Pace

18:12 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:11:40

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:03 /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 mi1949134117119491341171
2.13M0.73 mi2031-821385-44181-1022621520205
6.43M4.30 mi3084-10531980-595272-9135852237310
6.62M0.19 mi3261-1772061-81281-9---
10.65M4.03 mi2597+6641721+340235+4615731139163
Finish(13.11 mi)2.46 mi2495+1021653+68224+1123041509210

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 32%
~flat
+3ft-2ft

Overall

1949

Males

1341

M35-39

171

1.40M→2.13M

1.4 - 2.1 mi

Top 37%
~flat
+3ft-1ft

Overall

2262

Males

1520

M35-39

206

2.13M→6.43M

2.1 - 6.4 mi

Top 59%
×17story building
+274ft-78ft

Overall

3585

Males

2237

M35-39

310

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 26%
×21story building
+153ft-361ft

Overall

1573

Males

1139

M35-39

163

10.65M→Finish

10.7 - 13.1 mi

Top 38%
×17story building
+244ft-114ft

Overall

2304

Males

1509

M35-39

210

Passing Analysis

Category:
Passed
967*
Passed By
1513
Net Change
-546
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#1949
1.40M → 2.13M108190-82#1949#2031
2.13M → 6.43M24*1077-1053#2031#3084
6.43M → 6.62M17194-177#3084#3261
6.62M → 10.65M674*10+664#3261#2597
10.65M → Finish144*42+102#2597#2495
TOTALS967*1513-546

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

Passing Charts

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Passing Circle

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Position Flow

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Race Lanes

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