Alex Chang

San Jose, CA

Bib: 13651 M 31

0:00
0:00
/ mi
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Overall
#0 / 7100
Gender (Male)
#0 / 3977
Division (M30-34)
#0 / 872
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
9:19/mi
16:51
→ flat
5.34M
10:28/mi
53:48
8074
6.15M
11:22/mi
1:03:00
126
10.54M
11:33/mi
1:53:44
230361
11.05M
18:08/mi
2:02:59
172
Finish· 13.11 mi
13:14/mi
2:30:15
97114
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:03:0010:15 /mi⚡ faster
2nd Half
1:27:1512:32 /mi+38.5%
Positive split — 38.5% 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
16:519:191.81 mi16:51
9:19
-
5.34M
53:4810:043.53 mi36:57
10:28
+1:09
6.15M
1:03:0010:150.81 mi9:12
11:22
+0:54
10.54M
1:53:4410:474.39 mi50:44
11:33
+0:11
11.05M
2:02:5911:080.51 mi9:15
18:08
+6:35
Finish(13.11 mi)
2:30:1511:282.06 mi27:16
13:14
-4:54
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:19 /mi

Average Pace

11:28 /mi

Slowest Pace

18:08 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

16:51

11% of race

Time at Steady Pace

1:36:53

64% of race

Time at Slower Pace

36:31

24% of race

Average Pace: 11:28 /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 mi2529181939325291819393
5.34M3.53 mi3674-11452444-625519-12642072713582
6.15M0.81 mi3789-1152504-60533-1445962905641
10.54M4.39 mi4338-5492776-272611-7849463032663
11.05M0.51 mi4517-1792860-84629-1858363429750
Finish(13.11 mi)2.06 mi4822-3052972-112649-2058283353729

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 36%
~flat
+4ft-3ft

Overall

2529

Males

1819

M30-34

393

1.81M→5.34M

1.8 - 5.3 mi

Top 59%
×4story building
+80ft-74ft

Overall

4207

Males

2713

M30-34

582

5.34M→6.15M

5.3 - 6.2 mi

Top 65%
×10story building
+126ft-4ft

Overall

4596

Males

2905

M30-34

641

6.15M→10.54M

6.2 - 10.5 mi

Top 70%
×21story building
+230ft-361ft

Overall

4946

Males

3032

M30-34

663

10.54M→11.05M

10.5 - 11.1 mi

Top 82%
×14story building
+172ft-0ft

Overall

5836

Males

3429

M30-34

750

11.05M→Finish

11.1 - 13.1 mi

Top 82%
×7story building
+97ft-114ft

Overall

5828

Males

3353

M30-34

729

Passing Analysis

Category:
Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#2529
1.81M5.34M
116419*-1145
#2529 #3674
5.34M6.15M
13924-115
#3674 #3789
6.15M10.54M
59849*-549
#3789 #4338
10.54M11.05M
1867-179
#4338 #4517
11.05MFinish
33328*-305
#4517 #4822
TOTALS
2420127*-2293
#2529 #4822

* 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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