Brian Ng

Hercules, CA

Bib: 15989 M 39

0:00
0:00
/ mi
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Overall
#0 / 7100
Gender (Male)
#0 / 3977
Division (M35-39)
#0 / 583
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
10:23/mi
18:47
→ flat
5.34M
11:16/mi
58:35
8074
6.15M
12:05/mi
1:08:22
126
10.54M
11:44/mi
1:59:52
230361
11.05M
17:07/mi
2:08:36
172
Finish· 13.11 mi
11:58/mi
2:33:14
97114
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:08:2211:07 /mi⚡ faster
2nd Half
1:24:5212:12 /mi+24.1%
Positive split — 24.1% 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
18:4710:231.81 mi18:47
10:23
-
5.34M
58:3510:583.53 mi39:48
11:16
+0:53
6.15M
1:08:2211:070.81 mi9:47
12:05
+0:49
10.54M
1:59:5211:224.39 mi51:30
11:44
-0:21
11.05M
2:08:3611:380.51 mi8:44
17:07
+5:23
Finish(13.11 mi)
2:33:1411:412.06 mi24:38
11:58
-5:09
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:23 /mi

Average Pace

11:41 /mi

Slowest Pace

17:07 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

18:47

12% of race

Time at Steady Pace

2:05:43

82% of race

Time at Slower Pace

8:44

6% of race

Average Pace: 11:41 /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
1.81M1.81 mi4692294742346922947423
5.34M3.53 mi5163-4713165-218462-3953723261474
6.15M0.81 mi5198-353185-20464-252943232474
10.54M4.39 mi5146+523144+41461+351393115464
11.05M0.51 mi5172-263161-17465-452523147462
Finish(13.11 mi)2.06 mi5111+613106+55457+849202944429

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 66%
~flat
+4ft-3ft

Overall

4692

Males

2947

M35-39

423

1.81M→5.34M

1.8 - 5.3 mi

Top 76%
×4story building
+80ft-74ft

Overall

5372

Males

3261

M35-39

474

5.34M→6.15M

5.3 - 6.2 mi

Top 75%
×10story building
+126ft-4ft

Overall

5294

Males

3232

M35-39

474

6.15M→10.54M

6.2 - 10.5 mi

Top 72%
×21story building
+230ft-361ft

Overall

5139

Males

3115

M35-39

464

10.54M→11.05M

10.5 - 11.1 mi

Top 74%
×14story building
+172ft-0ft

Overall

5252

Males

3147

M35-39

462

11.05M→Finish

11.1 - 13.1 mi

Top 69%
×7story building
+97ft-114ft

Overall

4920

Males

2944

M35-39

429

Passing Analysis

Category:
Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#4692
1.81M5.34M
600129*-471
#4692 #5163
5.34M6.15M
8449-35
#5163 #5198
6.15M10.54M
134186*+52
#5198 #5146
10.54M11.05M
5327-26
#5146 #5172
11.05MFinish
40101*+61
#5172 #5111
TOTALS
911492*-419
#4692 #5111

* 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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