Brian Ng

Hercules, CA

Bib: 23507 M 40

0:00
0:00
/ mi
Masters
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Overall
#0 / 3840
Gender (Male)
#0 / 2065
Masters (Masters Men)
#0 / 555
Division (M40-44)
#0 / 200
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
48 ft elev
2M
9:56/mi
19:53
138680.7%
122 ft elev
4M
10:01/mi
39:55
1631.4%
280 ft elev
6M
12:10/mi
1:04:16
55830.3%
247 ft elev
8M
7:39/mi
1:19:34
651510.8%
143 ft elev
10M
10:19/mi
1:40:11
611741.1%
25 ft elev
12M
11:38/mi
2:03:28
41530.1%
12 ft elev
Finish· 13.11 mi
10:12/mi
2:14:47
→ flat
11 ft elev
Course Elevation
9292 ft
×24story building
548 ft climb · 587 ft descent

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:04:16
Pace10:43 /mi
2nd Half
Distance7.11 mi
Time1:10:31
Pace9:55 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:02:1219:539:5619:53
9:56
-
4M
4.00 mi09:22:1439:559:5920:02
10:01
+0:05
6M
6.00 mi09:46:351:04:1610:4324:21
12:10
+2:09
8M
8.00 mi10:01:531:19:349:5715:18
7:39
-4:31
10M
10.00 mi10:22:301:40:1110:0120:37
10:19
+2:40
12M
12.00 mi10:45:472:03:2810:1723:17
11:38
+1:19
Finish
13.11 mi10:57:062:14:4710:1711:19
10:12
-1:26

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:39 /mi

Average Pace

10:17 /mi

Slowest Pace

12:10 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

15:18

11% of race

Time at Steady Pace

1:11:51

53% of race

Time at Slower Pace

47:38

35% of race

Average Pace: 10:17 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi09:02:1219:539:5619:53
9:56
#1991
4M
4.00 mi09:22:1439:559:5920:02
10:01
#2171
6M
6.00 mi09:46:351:04:1610:4324:21
12:10
#2076
8M
8.00 mi10:01:531:19:349:5715:18
7:39
#2036
10M
10.00 mi10:22:301:40:1110:0120:37
10:19
#1968
12M
12.00 mi10:45:472:03:2810:1723:17
11:38
#2010
Finish
13.11 mi10:57:062:14:4710:1711:19
10:12
#1967
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
2M2.00 mi2.00 mi199112941182266(Top 59%)1374(Top 67%)130(Top 65%)
4M4.00 mi2.00 mi2171-1801381-87132-142344(Top 61%)1454(Top 70%)139(Top 70%)
6M6.00 mi2.00 mi2076+951344+37124+81954(Top 51%)1281(Top 62%)118(Top 59%)
8M8.00 mi2.00 mi2036+401321+23122+21933(Top 50%)1266(Top 61%)113(Top 56%)
10M10.00 mi2.00 mi1968+681285+36119+31813(Top 47%)1190(Top 58%)103(Top 52%)
12M12.00 mi2.00 mi2010-421297-12116+32266(Top 59%)1374(Top 67%)130(Top 65%)
Finish13.11 mi1.11 mi1967+431275+22114+21686(Top 44%)1088(Top 53%)95(Top 48%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 59%
×9story building
+138ft-68ft

Overall

2266

Males

1374

M40-44

131

2M→4M

2.0 - 4.0 mi

Top 61%
×13story building
+163ft-19ft

Overall

2344

Males

1454

M40-44

140

4M→6M

4.0 - 6.0 mi

Top 51%
×4story building
+55ft-83ft

Overall

1954

Males

1281

M40-44

119

6M→8M

6.0 - 8.0 mi

Top 50%
×10story building
+65ft-151ft

Overall

1933

Males

1266

M40-44

113

8M→10M

8.0 - 10.0 mi

Top 47%
×10story building
+61ft-174ft

Overall

1813

Males

1190

M40-44

104

10M→12M

10.0 - 12.0 mi

Top 59%
×3story building
+41ft-53ft

Overall

2266

Males

1374

M40-44

131

12M→Finish

12.0 - 13.1 mi

Top 44%
×1human
+6ft-6ft

Overall

1686

Males

1088

M40-44

95

Passing Analysis

Category:
Athletes Passed
383*
Passed By
359
Net Change
+24
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1991
2M4M42222-180#1991#2171
4M6M12429+95#2171#2076
6M8M5313+40#2076#2036
8M10M90*22+68#2036#1968
10M12M2769-42#1968#2010
12MFinish47*4+43#2010#1967
TOTALS383*359+24

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

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon