San Francisco Marathon logo
SF MARATHON 1ST HALF 2023

Genevieve Zillich

Bib: 10152•F•Age: 24

Scottsdale, AZ

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6072
Gender (Female)
#0 / 2732
F20-29
#0 / 376
Race Day Weather
60°/50°F
overcast clouds

⏱️ 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
1.40M
9:09/mi
12:49
→ flat
2.13M
18:51/mi
26:35
→ flat
6.43M
14:31/mi
1:29:00
↑ 274↓ 780.9%
6.62M
-43:-4/mi
1:21:00
↑ 161.6%
10.65M
10:56/mi
2:05:02
↑ 153↓ 3611.0%
Finish· 13.11 mi
11:33/mi
2:33:27
↑ 244↓ 1141.0%

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 6.62M
Distance6.62 mi
Time1:21:00
Pace12:14 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:12:27
Pace11:10 /mi
📊Negative Split: 10.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi06:42:5212:499:0912:49
9:09
-
2.13M
2.13 mi06:56:3826:3512:2913:46
18:51
+9:42
6.43M
6.43 mi07:59:031:29:0013:501:02:25
14:31
-4:20
6.62M
6.62 mi07:51:031:21:0012:14
-43:-4
-57:35
10.65M
10.65 mi08:35:052:05:0211:4444:02
10:56
+54:00
Finish
13.11 mi09:03:302:33:2711:4228:25
11:33
+0:37

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

-44:-4 /mi

Average Pace

11:42 /mi

Slowest Pace

18:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:27

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:42 /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
1.40M
1.40 mi06:42:5212:499:0912:49
9:09
#2661
2.13M
2.13 mi06:56:3826:3512:2913:46
18:51
#2666
6.43M
6.43 mi07:59:031:29:0013:501:02:25
14:31
#4630
6.62M
6.62 mi07:51:031:21:0012:14
-43:-4
#4601
10.65M
10.65 mi08:35:052:05:0211:4444:02
10:56
#4377
Finish
13.11 mi09:03:302:33:2711:4228:25
11:33
#4451
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
1.40M1.40 mi1.40 mi26619031642661(Top 44%)903(Top 33%)164(Top 44%)
2.13M2.13 mi0.73 mi2666-5894+9159+52870(Top 47%)1003(Top 37%)173(Top 46%)
6.43M6.43 mi4.30 mi4630-19641860-966304-1455194(Top 86%)2192(Top 80%)331(Top 88%)
6.62M6.62 mi0.19 mi4601+291844+16295+9---
10.65M10.65 mi4.03 mi4377+2241732+112288+74096(Top 67%)1618(Top 59%)270(Top 72%)
Finish13.11 mi2.46 mi4451-741782-50297-94633(Top 76%)1930(Top 71%)311(Top 83%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 44%
~flat
+3ft-2ft

Overall

2661

Females

903

F20-24

164

1.40M→2.13M

1.4 - 2.1 mi

Top 47%
~flat
+3ft-1ft

Overall

2870

Females

1003

F20-24

173

2.13M→6.43M

2.1 - 6.4 mi

Top 86%
×17story building
+274ft-78ft

Overall

5194

Females

2192

F20-24

331

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F20-24

-

6.62M→10.65M

6.6 - 10.7 mi

Top 67%
×21story building
+153ft-361ft

Overall

4096

Females

1618

F20-24

270

10.65M→Finish

10.7 - 13.1 mi

Top 76%
×17story building
+244ft-114ft

Overall

4633

Females

1930

F20-24

311

Passing Analysis

Category:
Athletes Passed
581*
Passed By
2371
Net Change
-1790
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#2661
1.40M → 2.13M160165-5#2661#2666
2.13M → 6.43M12*1976-1964#2666#4630
6.43M → 6.62M6940+29#4630#4601
6.62M → 10.65M284*60+224#4601#4377
10.65M → Finish56*130-74#4377#4451
TOTALS581*2371-1790

* 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

Public Race Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events