Zheng Cui

Bib: 16231FAge: 31

Tucson, AZ

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
11:28/mi
22:56
→ flat
4M
11:16/mi
45:28
6769
6M
11:44/mi
1:08:56
1231.1%
8M
11:30/mi
1:31:55
166531.1%
9.6M
11:30/mi
1:50:19
681931.5%
10M
25:22/mi
2:00:27
241.1%
10.5M
6:12/mi
2:03:33
732.7%
12M
18:26/mi
2:31:12
2803.2%
Finish· 13.11 mi
12:52/mi
2:45:28
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
Time1:08:56
Pace11:29 /mi
2nd Half
Distance7.11 mi
Time1:36:32
Pace13:35 /mi
📊Positive Split: 40.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:57:3022:5611:2822:56
11:28
-
4M
4.00 mi07:20:0245:2811:2222:32
11:16
-0:12
6M
6.00 mi07:43:301:08:5611:2923:28
11:44
+0:28
8M
8.00 mi08:06:291:31:5511:2922:59
11:30
-0:14
9.6M
9.60 mi08:24:531:50:1911:2918:24
11:30
0:00
10M
10.00 mi08:35:012:00:2712:0310:08
25:22
+13:52
10.5M
10.50 mi08:38:072:03:3311:463:06
6:12
-19:10
12M
12.00 mi09:05:462:31:1212:3627:39
18:26
+12:14
Finish
13.11 mi09:20:022:45:2812:3714:16
12:52
-5:34

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

6:12 /mi

Average Pace

12:37 /mi

Slowest Pace

25:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06

2% of race

Time at Steady Pace

2:04:35

75% of race

Time at Slower Pace

37:47

23% of race

Average Pace: 12:37 /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 mi06:57:3022:5611:2822:56
11:28
#5384
4M
4.00 mi07:20:0245:2811:2222:32
11:16
#4990
6M
6.00 mi07:43:301:08:5611:2923:28
11:44
#4890
8M
8.00 mi08:06:291:31:5511:2922:59
11:30
#4605
9.6M
9.60 mi08:24:531:50:1911:2918:24
11:30
#4834
10M
10.00 mi08:35:012:00:2712:0310:08
25:22
#4963
10.5M
10.50 mi08:38:072:03:3311:463:06
6:12
#4982
12M
12.00 mi09:05:462:31:1212:3627:39
18:26
#5165
Finish
13.11 mi09:20:022:45:2812:3714:16
12:52
#5171
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 86%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

13:14

Segment Time

14:42/mi

Pace

0.90 mi

Distance

Overall

5646

Women

2389

Division

551

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi538421714915662(Top 86%)2427(Top 83%)551(Top 85%)
4M4.00 mi2.00 mi4990+3941935+236445+464580(Top 70%)1719(Top 59%)400(Top 61%)
6M6.00 mi2.00 mi4890+1001878+57438+74778(Top 73%)1807(Top 62%)434(Top 67%)
8M8.00 mi2.00 mi4605+2851704+174398+404060(Top 62%)1425(Top 49%)336(Top 52%)
9.6M9.60 mi1.60 mi4834-2291850-146432-345461(Top 83%)2301(Top 79%)529(Top 81%)
10M10.00 mi0.40 mi4963-1291921-71451-195712(Top 87%)2450(Top 84%)553(Top 85%)
10.5M10.50 mi0.50 mi4982-191929-8453-25595(Top 85%)2356(Top 80%)540(Top 83%)
12M12.00 mi1.50 mi5165-1832052-123484-315662(Top 86%)2427(Top 83%)551(Top 85%)
Finish13.11 mi1.11 mi5171-62066-14485-15492(Top 84%)2346(Top 80%)534(Top 82%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 86%
~flat
+5ft-3ft

Overall

5662

Females

2427

F30-34

553

2M→4M

2.0 - 4.0 mi

Top 70%
×4story building
+67ft-69ft

Overall

4580

Females

1719

F30-34

403

4M→6M

4.0 - 6.0 mi

Top 73%
×9story building
+123ft-9ft

Overall

4778

Females

1807

F30-34

437

6M→8M

6.0 - 8.0 mi

Top 62%
×12story building
+166ft-53ft

Overall

4060

Females

1425

F30-34

338

8M→9.6M

8.0 - 9.6 mi

Top 83%
×13story building
+68ft-193ft

Overall

5461

Females

2301

F30-34

531

9.6M→10M

9.6 - 10.0 mi

Top 87%
×2story building
+0ft-24ft

Overall

5712

Females

2450

F30-34

555

10M→10.5M

10.0 - 10.5 mi

Top 85%
×6story building
+1ft-73ft

Overall

5595

Females

2356

F30-34

542

10.5M→12M

10.5 - 12.0 mi

Top 86%
×21story building
+280ft-26ft

Overall

5662

Females

2427

F30-34

553

12M→Finish

12.0 - 13.1 mi

Top 84%
×7story building
+14ft-89ft

Overall

5492

Females

2346

F30-34

534

Passing Analysis

Category:
Athletes Passed
1077*
Passed By
864
Net Change
+213
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5384
2M4M42026+394#5384#4990
4M6M182*82+100#4990#4890
6M8M328*43+285#4890#4605
8M9.6M39268-229#4605#4834
9.6M10M13142-129#4834#4963
10M10.5M524-19#4963#4982
10.5M12M34*217-183#4982#5165
12MFinish56*62-6#5165#5171
TOTALS1077*864+213

* 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