Shih-Chieh Cheng

Bib: 19246MAge: 41

Fremont, CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 6575
Gender (Male)
#0 / 3619
Masters (Masters Men)
#0 / 1030
Division (M40-44)
#0 / 319
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
11:39/mi
23:19
→ flat
4M
13:00/mi
49:18
6769
6M
13:26/mi
1:16:11
1231.1%
8M
15:00/mi
1:46:11
166531.1%
9.6M
12:51/mi
2:06:45
681931.5%
10M
25:09/mi
2:16:48
241.1%
10.5M
6:10/mi
2:19:53
732.7%
12M
22:33/mi
2:53:42
2803.2%
Finish· 13.11 mi
17:49/mi
3:13:28
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
Time1:16:11
Pace12:42 /mi
2nd Half
Distance7.11 mi
Time1:57:17
Pace16:30 /mi
📊Positive Split: 53.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:12:3923:1911:3923:19
11:39
-
4M
4.00 mi07:38:3849:1812:2025:59
13:00
+1:21
6M
6.00 mi08:05:311:16:1112:4226:53
13:26
+0:26
8M
8.00 mi08:35:311:46:1113:1630:00
15:00
+1:34
9.6M
9.60 mi08:56:052:06:4513:1220:34
12:51
-2:09
10M
10.00 mi09:06:082:16:4813:4110:03
25:09
+12:18
10.5M
10.50 mi09:09:132:19:5313:193:05
6:10
-18:59
12M
12.00 mi09:43:022:53:4214:2933:49
22:33
+16:23
Finish
13.11 mi10:02:483:13:2814:4519:46
17:49
-4:44

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

6:10 /mi

Average Pace

14:45 /mi

Slowest Pace

25:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05

2% of race

Time at Steady Pace

2:06:45

66% of race

Time at Slower Pace

1:03:38

33% of race

Average Pace: 14:45 /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 mi07:12:3923:1911:3923:19
11:39
#5567
4M
4.00 mi07:38:3849:1812:2025:59
13:00
#5952
6M
6.00 mi08:05:311:16:1112:4226:53
13:26
#6029
8M
8.00 mi08:35:311:46:1113:1630:00
15:00
#6166
9.6M
9.60 mi08:56:052:06:4513:1220:34
12:51
#6234
10M
10.00 mi09:06:082:16:4813:4110:03
25:09
#6204
10.5M
10.50 mi09:09:132:19:5313:193:05
6:10
#6193
12M
12.00 mi09:43:022:53:4214:2933:49
22:33
#6309
Finish
13.11 mi10:02:483:13:2814:4519:46
17:49
#6344
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 85%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

13:08

Segment Time

14:36/mi

Pace

0.90 mi

Distance

Overall

5611

Men

3217

Division

276

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
2M2.00 mi2.00 mi556732682876474(Top 98%)3564(Top 98%)313(Top 98%)
4M4.00 mi2.00 mi5952-3853422-154296-96113(Top 93%)3470(Top 96%)301(Top 94%)
6M6.00 mi2.00 mi6029-773454-32300-46086(Top 93%)3472(Top 96%)299(Top 94%)
8M8.00 mi2.00 mi6166-1373505-51306-66267(Top 95%)3535(Top 98%)309(Top 97%)
9.6M9.60 mi1.60 mi6234-683518-13304+26231(Top 95%)3474(Top 96%)304(Top 95%)
10M10.00 mi0.40 mi6204+303510+8303+15662(Top 86%)3219(Top 89%)274(Top 86%)
10.5M10.50 mi0.50 mi6193+113504+6302+15586(Top 85%)3214(Top 89%)275(Top 86%)
12M12.00 mi1.50 mi6309-1163530-26307-56474(Top 98%)3564(Top 98%)313(Top 98%)
Finish13.11 mi1.11 mi6344-353540-10312-56485(Top 99%)3571(Top 99%)313(Top 98%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 98%
~flat
+5ft-3ft

Overall

6474

Males

3564

M40-44

313

2M→4M

2.0 - 4.0 mi

Top 93%
×4story building
+67ft-69ft

Overall

6113

Males

3470

M40-44

301

4M→6M

4.0 - 6.0 mi

Top 93%
×9story building
+123ft-9ft

Overall

6086

Males

3472

M40-44

299

6M→8M

6.0 - 8.0 mi

Top 95%
×12story building
+166ft-53ft

Overall

6267

Males

3535

M40-44

309

8M→9.6M

8.0 - 9.6 mi

Top 95%
×13story building
+68ft-193ft

Overall

6231

Males

3474

M40-44

304

9.6M→10M

9.6 - 10.0 mi

Top 86%
×2story building
+0ft-24ft

Overall

5662

Males

3219

M40-44

274

10M→10.5M

10.0 - 10.5 mi

Top 85%
×6story building
+1ft-73ft

Overall

5586

Males

3214

M40-44

275

10.5M→12M

10.5 - 12.0 mi

Top 98%
×21story building
+280ft-26ft

Overall

6474

Males

3564

M40-44

313

12M→Finish

12.0 - 13.1 mi

Top 99%
×7story building
+14ft-89ft

Overall

6485

Males

3571

M40-44

313

Passing Analysis

Category:
Athletes Passed
211*
Passed By
988
Net Change
-777
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5567
2M4M25*410-385#5567#5952
4M6M55*132-77#5952#6029
6M8M33*170-137#6029#6166
8M9.6M2896-68#6166#6234
9.6M10M377+30#6234#6204
10M10.5M121+11#6204#6193
10.5M12M7*123-116#6193#6309
12MFinish14*49-35#6309#6344
TOTALS211*988-777

* 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