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SF MARATHON 1ST HALF 2025

George Yi

Sunnyvale, CA

Bib: 11436 M 63

0:00
0:00
/ mi
Masters
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Overall
#0 / 7100
Top 8%
Gender (Male)
#0 / 3977
Top 12%
Masters (Masters Men)
#0 / 1096
Top 8%
Division (M60-64)
#0 / 99
Top 8%
Race Day Weather
56°/46°F
light rain

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.81M
7:45/mi
14:02
→ flat
12 ft elev
5.34M
7:57/mi
42:05
↑ 80↓ 74
19 ft elev
6.15M
8:39/mi
49:05
↑ 1262.8%
149 ft elev
10.54M
8:05/mi
1:24:33
↑ 230↓ 3610.6%
20 ft elev
11.05M
11:28/mi
1:30:24
↑ 1726.4%
213 ft elev
Finish· 13.11 mi
8:28/mi
1:47:50
↑ 97↓ 1140.2%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
49:057:59 /mi⚡ faster
2nd Half
58:458:27 /mi+19.7%
Positive split — 19.7% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
1.81M
14:027:451.81 mi14:02
7:45
-
5.34M
42:057:533.53 mi28:03
7:57
+0:12
6.15M
49:057:590.81 mi7:00
8:39
+0:42
10.54M
1:24:338:014.39 mi35:28
8:05
-0:34
11.05M
1:30:248:110.51 mi5:51
11:28
+3:23
Finish(13.11 mi)
1:47:508:142.06 mi17:26
8:28
-3:00
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:45 /mi

Average Pace

8:14 /mi

Slowest Pace

11:28 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

14:02

13% of race

Time at Steady Pace

1:27:57

82% of race

Time at Slower Pace

5:51

5% of race

Average Pace: 8:14 /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. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
1.81M1.81 mi40134654013465
5.34M3.53 mi491-90416-706-15644758
6.15M0.81 mi541-50457-4169017399
10.54M4.39 mi523+18444+138-25624738
11.05M0.51 mi538-15458-149-1122397612
Finish(13.11 mi)2.06 mi541-3460-28+16365317

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 6%
~flat
+4ft-3ft

Overall

401

Males

346

M60-64

5

1.81M→5.34M

1.8 - 5.3 mi

Top 8%
×4story building
+80ft-74ft

Overall

564

Males

475

M60-64

8

5.34M→6.15M

5.3 - 6.2 mi

Top 13%
×10story building
+126ft-4ft

Overall

901

Males

739

M60-64

9

6.15M→10.54M

6.2 - 10.5 mi

Top 8%
×21story building
+230ft-361ft

Overall

562

Males

473

M60-64

8

10.54M→11.05M

10.5 - 11.1 mi

Top 17%
×14story building
+172ft-0ft

Overall

1223

Males

976

M60-64

12

11.05M→Finish

11.1 - 13.1 mi

Top 9%
×7story building
+97ft-114ft

Overall

636

Males

531

M60-64

7

Passing Analysis

Category:
Passed
120*
Passed By
260
Net Change
-140
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#401
1.81M → 5.34M20110-90#401#491
5.34M → 6.15M151-50#491#541
6.15M → 10.54M6345+18#541#523
10.54M → 11.05M1530-15#523#538
11.05M → Finish21*24-3#538#541
TOTALS120*260-140

* 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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