Joanna Zheng

Bib: 17947•F•Age: 53

emerald hills, CA

Masters

0:00

0:00

/ mi

Masters

Be the first to cheer!

Overall

#0 / 7100

Gender (Female)

#0 / 3107

Masters (Masters Women)

#0 / 776

Top 46%

Division (F50-54)

#0 / 149

Top 47%

Race Day Weather

56°/46°F

light rain

⏱️ Race Timeline

Course Elevation

10–277 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

11:26/mi

20:42

→ flat

5.34M

11:25/mi

1:01:00

↑ 80 ft↓ 74 ft

6.15M

11:39/mi

1:10:26

↑ 126 ft2.8% grade

10.54M

12:02/mi

2:03:14

↑ 230 ft↓ 361 ft0.6% grade

11.05M

12:41/mi

2:09:42

↑ 172 ft6.4% grade

Finish· 13.11 mi

10:25/mi

2:31:08

↑ 97 ft↓ 114 ft0.2% grade

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 6.15MFaster

Distance6.15 mi

Time1:10:26

Pace11:27 /mi

2nd Half

Distance6.96 mi

Time1:20:42

Pace11:36 /mi

📊Positive Split: 14.6% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
1.81M	1.81 mi	06:58:46	20:42	11:26	20:42	11:26	-
5.34M	5.34 mi	07:39:04	1:01:00	11:25	40:18	11:25	-0:01
6.15M	6.15 mi	07:48:30	1:10:26	11:27	9:26	11:39	+0:14
10.54M	10.54 mi	08:41:18	2:03:14	11:42	52:48	12:02	+0:23
11.05M	11.05 mi	08:47:46	2:09:42	11:44	6:28	12:41	+0:39
Finish	13.11 mi	09:09:12	2:31:08	11:32	21:26	10:25	-2:16

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

10:25 /mi

Average Pace

11:32 /mi

Slowest Pace

12:41 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

21:26

14% of race

Time at Steady Pace

1:10:26

47% of race

Time at Slower Pace

59:16

39% of race

Average Pace: 11:32 /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.

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

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment	Pace	Rank
1.81M	1.81 mi	06:58:46	20:42	11:26	20:42	11:26	#6158
5.34M	5.34 mi	07:39:04	1:01:00	11:25	40:18	11:25	#5728
6.15M	6.15 mi	07:48:30	1:10:26	11:27	9:26	11:39	#5584
10.54M	10.54 mi	08:41:18	2:03:14	11:42	52:48	12:02	#5502
11.05M	11.05 mi	08:47:46	2:09:42	11:44	6:28	12:41	#5279
Finish	13.11 mi	09:09:12	2:31:08	11:32	21:26	10:25	#4903

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Females	F50-54	Seg. Overall	Seg. Females	Seg. F50-54
1.81M	1.81 mi	1.81 mi	6158	2547	113	6158(Top 87%)	2547(Top 82%)	113(Top 76%)
5.34M	5.34 mi	3.53 mi	5728+430	2297+250	94+19	5528(Top 78%)	2193(Top 71%)	86(Top 58%)
6.15M	6.15 mi	0.81 mi	5584+144	2203+94	84+10	4915(Top 69%)	1838(Top 59%)	65(Top 44%)
10.54M	10.54 mi	4.39 mi	5502+82	2181+22	85-1	5413(Top 76%)	2149(Top 69%)	80(Top 54%)
11.05M	11.05 mi	0.51 mi	5279+223	2060+121	78+7	2212(Top 31%)	624(Top 20%)	15(Top 10%)
Finish	13.11 mi	2.06 mi	4903+376	1877+183	70+8	3006(Top 42%)	1008(Top 32%)	37(Top 25%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 87%

~flat

+4ft-3ft

Overall

6158

Females

2547

F50-54

115

1.81M→5.34M

1.8 - 5.3 mi

Top 78%

×4story building

+80ft-74ft

Overall

5528

Females

2193

F50-54

5.34M→6.15M

5.3 - 6.2 mi

Top 69%

×10story building

+126ft-4ft

Overall

4915

Females

1838

F50-54

6.15M→10.54M

6.2 - 10.5 mi

Top 76%

×21story building

+230ft-361ft

Overall

5413

Females

2149

F50-54

10.54M→11.05M

10.5 - 11.1 mi

Top 31%

×14story building

+172ft-0ft

Overall

2212

Females

624

F50-54

11.05M→Finish

11.1 - 13.1 mi

Top 42%

×7story building

+97ft-114ft

Overall

3006

Females

1008

F50-54

Passing Analysis

Category:

Athletes Passed

1428*

Passed By

173

Net Change

+1255

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 1.81M	-	-	-	-	#6158
1.81M → 5.34M	469*	39	+430	#6158	#5728
5.34M → 6.15M	154	10	+144	#5728	#5584
6.15M → 10.54M	204*	122	+82	#5584	#5502
10.54M → 11.05M	224	1	+223	#5502	#5279
11.05M → Finish	377*	1	+376	#5279	#4903
TOTALS	1428*	173	+1255

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

📊

Passing Visuals

Category:

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

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

Quick Links

Find another athlete or browse the full results

Search for another athlete

All Results

Browse complete race results with filtering

→

Results processed about 1 month ago

Official Timing Data

Enhanced athlete results built from official timing data.

Race managed by

The San Francisco Marathon

Race timed by

Race Place Events