Zhongyi Tong

Redwood City, CA

Bib: 15256 M 30

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 27%
Gender (Male)
#0 / 3977
Top 36%
Division (M30-34)
#0 / 872
Top 36%
Race Day Weather
56°/46°F
light rain

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.81M
9:15/mi
16:44
→ flat
5.34M
9:25/mi
49:59
8074
6.15M
9:44/mi
57:52
126
10.54M
9:02/mi
1:37:31
230361
11.05M
11:28/mi
1:43:22
172
Finish· 13.11 mi
9:56/mi
2:03:49
97114
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
57:529:25 /mi⚡ faster
2nd Half
1:05:579:29 /mi+14.0%
Positive split — 14.0% 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
16:449:151.81 mi16:44
9:15
-
5.34M
49:599:223.53 mi33:15
9:25
+0:10
6.15M
57:529:250.81 mi7:53
9:44
+0:19
10.54M
1:37:319:154.39 mi39:39
9:02
-0:42
11.05M
1:43:229:210.51 mi5:51
11:28
+2:26
Finish(13.11 mi)
2:03:499:272.06 mi20:27
9:56
-1:32
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:02 /mi

Average Pace

9:27 /mi

Slowest Pace

11:28 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

56:23

46% of race

Time at Steady Pace

1:01:35

50% of race

Time at Slower Pace

5:51

5% of race

Average Pace: 9:27 /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. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
1.81M1.81 mi2372172437023721724370
5.34M3.53 mi2434-621758-34381-1124911781386
6.15M0.81 mi2401+331732+26371+1023291689358
10.54M4.39 mi1984+4171480+252319+5216091243265
11.05M0.51 mi1894+901420+60311+81245994209
Finish(13.11 mi)2.06 mi1943-491446-26316-523981675361

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 33%
~flat
+4ft-3ft

Overall

2372

Males

1724

M30-34

370

1.81M→5.34M

1.8 - 5.3 mi

Top 35%
×4story building
+80ft-74ft

Overall

2491

Males

1781

M30-34

386

5.34M→6.15M

5.3 - 6.2 mi

Top 33%
×10story building
+126ft-4ft

Overall

2329

Males

1689

M30-34

358

6.15M→10.54M

6.2 - 10.5 mi

Top 23%
×21story building
+230ft-361ft

Overall

1609

Males

1243

M30-34

265

10.54M→11.05M

10.5 - 11.1 mi

Top 18%
×14story building
+172ft-0ft

Overall

1245

Males

994

M30-34

209

11.05M→Finish

11.1 - 13.1 mi

Top 34%
×7story building
+97ft-114ft

Overall

2398

Males

1675

M30-34

361

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#2372
1.81M5.34M
226164*-62
#2372 #2434
5.34M6.15M
3770+33
#2434 #2401
6.15M10.54M
17434*+417
#2401 #1984
10.54M11.05M
797+90
#1984 #1894
11.05MFinish
9445*-49
#1894 #1943
TOTALS
381810*+429
#2372 #1943

* 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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