Edward Lai

Bib: 12931MAge: 31

Santa Clara, CA

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 23%
Gender (Male)
#0 / 3977
Top 31%
Division (M30-34)
#0 / 872
Top 30%
Race Day Weather
56°/46°F
light rain

⏱️ Race Timeline

Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.81M
8:57/mi
16:12
→ flat
5.34M
9:06/mi
48:19
8074
6.15M
9:41/mi
56:09
1262.8%
10.54M
9:01/mi
1:35:42
2303610.6%
11.05M
11:28/mi
1:41:33
1726.4%
Finish· 13.11 mi
9:10/mi
2:00:25
971140.2%

The Course

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Half Splits

1st Half· via 6.15MFaster
Distance6.15 mi
Time56:09
Pace9:08 /mi
2nd Half
Distance6.96 mi
Time1:04:16
Pace9:14 /mi
📊Positive Split: 14.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi06:56:5816:128:5716:12
8:57
-
5.34M
5.34 mi07:29:0548:199:0332:07
9:06
+0:09
6.15M
6.15 mi07:36:5556:099:087:50
9:41
+0:35
10.54M
10.54 mi08:16:281:35:429:0539:33
9:01
-0:40
11.05M
11.05 mi08:22:191:41:339:115:51
11:28
+2:27
Finish
13.11 mi08:41:112:00:259:1118:52
9:10
-2:18

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

8:57 /mi

Average Pace

9:11 /mi

Slowest Pace

11:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

1:46:44

89% of race

Time at Slower Pace

13:41

11% of race

Average Pace: 9:11 /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
1.81M
1.81 mi06:56:5816:128:5716:12
8:57
#1880
5.34M
5.34 mi07:29:0548:199:0332:07
9:06
#1919
6.15M
6.15 mi07:36:5556:099:087:50
9:41
#1937
10.54M
10.54 mi08:16:281:35:429:0539:33
9:01
#1735
11.05M
11.05 mi08:22:191:41:339:115:51
11:28
#1675
Finish
13.11 mi08:41:112:00:259:1118:52
9:10
#1605
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
1.81M1.81 mi1.81 mi188014182921880(Top 26%)1418(Top 36%)292(Top 33%)
5.34M5.34 mi3.53 mi1919-391447-29304-121979(Top 28%)1482(Top 37%)313(Top 36%)
6.15M6.15 mi0.81 mi1937-181454-7307-32226(Top 31%)1626(Top 41%)345(Top 40%)
10.54M10.54 mi4.39 mi1735+2021325+129288+191572(Top 22%)1221(Top 31%)262(Top 30%)
11.05M11.05 mi0.51 mi1675+601290+35278+101242(Top 17%)991(Top 25%)208(Top 24%)
Finish13.11 mi2.06 mi1605+701235+55265+131371(Top 19%)1063(Top 27%)229(Top 26%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 26%
~flat
+4ft-3ft

Overall

1880

Males

1418

M30-34

292

1.81M→5.34M

1.8 - 5.3 mi

Top 28%
×4story building
+80ft-74ft

Overall

1979

Males

1482

M30-34

313

5.34M→6.15M

5.3 - 6.2 mi

Top 31%
×10story building
+126ft-4ft

Overall

2226

Males

1626

M30-34

345

6.15M→10.54M

6.2 - 10.5 mi

Top 22%
×21story building
+230ft-361ft

Overall

1572

Males

1221

M30-34

262

10.54M→11.05M

10.5 - 11.1 mi

Top 17%
×14story building
+172ft-0ft

Overall

1242

Males

991

M30-34

208

11.05M→Finish

11.1 - 13.1 mi

Top 19%
×7story building
+97ft-114ft

Overall

1371

Males

1063

M30-34

229

Passing Analysis

Category:
Athletes Passed
584*
Passed By
309
Net Change
+275
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#1880
1.81M5.34M143182-39#1880#1919
5.34M6.15M3149-18#1919#1937
6.15M10.54M248*46+202#1937#1735
10.54M11.05M677+60#1735#1675
11.05MFinish95*25+70#1675#1605
TOTALS584*309+275

* 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

Race Place Events

Race Place Events