Yichi Chou

Bib: 19241FAge: 31

Los Angeles, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F30-34)
#0 / 651
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
11:17/mi
22:34
→ flat
4M
11:47/mi
46:08
6769
6M
12:18/mi
1:10:45
1231.1%
8M
13:08/mi
1:37:01
166531.1%
9.6M
9:47/mi
1:52:41
681931.5%
10M
22:37/mi
2:01:43
241.1%
10.5M
6:02/mi
2:04:44
732.7%
12M
16:33/mi
2:29:34
2803.2%
Finish· 13.11 mi
12:08/mi
2:43:02
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
Time1:10:45
Pace11:48 /mi
2nd Half
Distance7.11 mi
Time1:32:17
Pace12:59 /mi
📊Positive Split: 30.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:08:5322:3411:1722:34
11:17
-
4M
4.00 mi07:32:2746:0811:3223:34
11:47
+0:30
6M
6.00 mi07:57:041:10:4511:4824:37
12:18
+0:31
8M
8.00 mi08:23:201:37:0112:0826:16
13:08
+0:50
9.6M
9.60 mi08:39:001:52:4111:4415:40
9:47
-3:21
10M
10.00 mi08:48:022:01:4312:109:02
22:37
+12:50
10.5M
10.50 mi08:51:032:04:4411:533:01
6:02
-16:35
12M
12.00 mi09:15:532:29:3412:2824:50
16:33
+10:31
Finish
13.11 mi09:29:212:43:0212:2613:28
12:08
-4:25

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

6:02 /mi

Average Pace

12:26 /mi

Slowest Pace

22:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

18:41

11% of race

Time at Steady Pace

1:50:29

68% of race

Time at Slower Pace

33:52

21% of race

Average Pace: 12:26 /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 mi07:08:5322:3411:1722:34
11:17
#5165
4M
4.00 mi07:32:2746:0811:3223:34
11:47
#5202
6M
6.00 mi07:57:041:10:4511:4824:37
12:18
#5254
8M
8.00 mi08:23:201:37:0112:0826:16
13:08
#5349
9.6M
9.60 mi08:39:001:52:4111:4415:40
9:47
#5155
10M
10.00 mi08:48:022:01:4312:109:02
22:37
#5106
10.5M
10.50 mi08:51:032:04:4411:533:01
6:02
#5107
12M
12.00 mi09:15:532:29:3412:2824:50
16:33
#5004
Finish
13.11 mi09:29:212:43:0212:2613:28
12:08
#4984
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 74%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:03

Segment Time

13:24/mi

Pace

0.90 mi

Distance

Overall

4886

Women

1958

Division

457

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi516520474674573(Top 70%)1806(Top 62%)412(Top 63%)
4M4.00 mi2.00 mi5202-372054-7478-115222(Top 79%)2077(Top 71%)483(Top 74%)
6M6.00 mi2.00 mi5254-522082-28483-55364(Top 82%)2155(Top 74%)507(Top 78%)
8M8.00 mi2.00 mi5349-952124-42495-125531(Top 84%)2251(Top 77%)519(Top 80%)
9.6M9.60 mi1.60 mi5155+1942026+98476+193732(Top 57%)1449(Top 49%)328(Top 50%)
10M10.00 mi0.40 mi5106+491995+31469+74811(Top 73%)1935(Top 66%)448(Top 69%)
10.5M10.50 mi0.50 mi5107-11999-4472-35403(Top 82%)2246(Top 77%)512(Top 79%)
12M12.00 mi1.50 mi5004+1031962+37462+104573(Top 70%)1806(Top 62%)412(Top 63%)
Finish13.11 mi1.11 mi4984+201963-1460+25018(Top 76%)2087(Top 71%)480(Top 74%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 70%
~flat
+5ft-3ft

Overall

4573

Females

1806

F30-34

414

2M→4M

2.0 - 4.0 mi

Top 79%
×4story building
+67ft-69ft

Overall

5222

Females

2077

F30-34

486

4M→6M

4.0 - 6.0 mi

Top 82%
×9story building
+123ft-9ft

Overall

5364

Females

2155

F30-34

510

6M→8M

6.0 - 8.0 mi

Top 84%
×12story building
+166ft-53ft

Overall

5531

Females

2251

F30-34

521

8M→9.6M

8.0 - 9.6 mi

Top 57%
×13story building
+68ft-193ft

Overall

3732

Females

1449

F30-34

330

9.6M→10M

9.6 - 10.0 mi

Top 73%
×2story building
+0ft-24ft

Overall

4811

Females

1935

F30-34

450

10M→10.5M

10.0 - 10.5 mi

Top 82%
×6story building
+1ft-73ft

Overall

5403

Females

2246

F30-34

514

10.5M→12M

10.5 - 12.0 mi

Top 70%
×21story building
+280ft-26ft

Overall

4573

Females

1806

F30-34

414

12M→Finish

12.0 - 13.1 mi

Top 76%
×7story building
+14ft-89ft

Overall

5018

Females

2087

F30-34

480

Passing Analysis

Category:
Athletes Passed
872*
Passed By
691
Net Change
+181
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5165
2M4M147184-37#5165#5202
4M6M104*156-52#5202#5254
6M8M82*177-95#5254#5349
8M9.6M23238+194#5349#5155
9.6M10M7728+49#5155#5106
10M10.5M1011-1#5106#5107
10.5M12M157*54+103#5107#5004
12MFinish63*43+20#5004#4984
TOTALS872*691+181

* 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