Hou-An Lin

Bib: 14907MAge: 27

Mountain View, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6575
Top 17%
Gender (Male)
#0 / 3619
Top 25%
Division (M25-29)
#0 / 796
Top 27%
Race Day Weather
59°/49°F
scattered clouds

⏱️ 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
2M
9:14/mi
18:29
→ flat
4M
9:00/mi
36:29
6769
6M
8:41/mi
53:52
1231.1%
8M
8:16/mi
1:10:25
166531.1%
9.6M
8:16/mi
1:23:39
681931.5%
10M
15:24/mi
1:29:48
241.1%
10.5M
4:16/mi
1:31:56
732.7%
12M
11:47/mi
1:49:36
2803.2%
Finish· 13.11 mi
8:43/mi
1:59:16
14891.3%

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time53:52
Pace8:59 /mi
2nd Half
Distance7.11 mi
Time1:05:24
Pace9:12 /mi
📊Positive Split: 21.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:01:4118:299:1418:29
9:14
-
4M
4.00 mi07:19:4136:299:0718:00
9:00
-0:14
6M
6.00 mi07:37:0453:528:5917:23
8:41
-0:19
8M
8.00 mi07:53:371:10:258:4816:33
8:16
-0:25
9.6M
9.60 mi08:06:511:23:398:4313:14
8:16
0:00
10M
10.00 mi08:13:001:29:488:596:09
15:24
+7:08
10.5M
10.50 mi08:15:081:31:568:452:08
4:16
-11:08
12M
12.00 mi08:32:481:49:369:0817:40
11:47
+7:31
Finish
13.11 mi08:42:281:59:169:069:40
8:43
-3:04

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

4:16 /mi

Average Pace

9:06 /mi

Slowest Pace

15:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08

2% of race

Time at Steady Pace

1:33:19

78% of race

Time at Slower Pace

23:49

20% of race

Average Pace: 9:06 /mi

Loading chart...
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 mi07:01:4118:299:1418:29
9:14
#1852
4M
4.00 mi07:19:4136:299:0718:00
9:00
#1616
6M
6.00 mi07:37:0453:528:5917:23
8:41
#1413
8M
8.00 mi07:53:371:10:258:4816:33
8:16
#1115
9.6M
9.60 mi08:06:511:23:398:4313:14
8:16
#1189
10M
10.00 mi08:13:001:29:488:596:09
15:24
#1142
10.5M
10.50 mi08:15:081:31:568:452:08
4:16
#1139
12M
12.00 mi08:32:481:49:369:0817:40
11:47
#1111
Finish
13.11 mi08:42:281:59:169:069:40
8:43
#1105
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 14%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:17

Segment Time

9:12/mi

Pace

0.90 mi

Distance

Overall

926

Men

739

Division

178

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi185213773361075(Top 16%)835(Top 23%)192(Top 24%)
4M4.00 mi2.00 mi1616+2361230+147303+331454(Top 22%)1135(Top 31%)270(Top 34%)
6M6.00 mi2.00 mi1413+2031104+126266+371031(Top 16%)831(Top 23%)203(Top 26%)
8M8.00 mi2.00 mi1115+298904+200213+53633(Top 10%)547(Top 15%)139(Top 17%)
9.6M9.60 mi1.60 mi1189-74949-45230-171839(Top 28%)1220(Top 34%)290(Top 36%)
10M10.00 mi0.40 mi1142+47913+36224+6903(Top 14%)706(Top 20%)166(Top 21%)
10.5M10.50 mi0.50 mi1139+3911+2223+11213(Top 18%)954(Top 26%)229(Top 29%)
12M12.00 mi1.50 mi1111+28887+24217+61075(Top 16%)835(Top 23%)192(Top 24%)
Finish13.11 mi1.11 mi1105+6888-1218-11318(Top 20%)1010(Top 28%)243(Top 31%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 16%
~flat
+5ft-3ft

Overall

1075

Males

835

M25-29

192

2M→4M

2.0 - 4.0 mi

Top 22%
×4story building
+67ft-69ft

Overall

1454

Males

1135

M25-29

270

4M→6M

4.0 - 6.0 mi

Top 16%
×9story building
+123ft-9ft

Overall

1031

Males

831

M25-29

203

6M→8M

6.0 - 8.0 mi

Top 10%
×12story building
+166ft-53ft

Overall

633

Males

547

M25-29

139

8M→9.6M

8.0 - 9.6 mi

Top 28%
×13story building
+68ft-193ft

Overall

1839

Males

1220

M25-29

290

9.6M→10M

9.6 - 10.0 mi

Top 14%
×2story building
+0ft-24ft

Overall

903

Males

706

M25-29

167

10M→10.5M

10.0 - 10.5 mi

Top 18%
×6story building
+1ft-73ft

Overall

1213

Males

954

M25-29

230

10.5M→12M

10.5 - 12.0 mi

Top 16%
×21story building
+280ft-26ft

Overall

1075

Males

835

M25-29

192

12M→Finish

12.0 - 13.1 mi

Top 20%
×7story building
+14ft-89ft

Overall

1318

Males

1010

M25-29

243

Passing Analysis

Category:
Athletes Passed
991*
Passed By
244
Net Change
+747
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1852
2M4M25317+236#1852#1616
4M6M2074+203#1616#1413
6M8M3057+298#1413#1115
8M9.6M52126-74#1115#1189
9.6M10M514+47#1189#1142
10M10.5M74+3#1142#1139
10.5M12M8557+28#1139#1111
12MFinish31*25+6#1111#1105
TOTALS991*244+747

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

📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events