San Francisco Marathon logo
SF MARATHON 1ST HALF 2023

Olivia Deng

San Ramon, CA

Bib: 10995 F 23

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.40M
8:55/mi
12:29
→ flat
11 ft elev
2.13M
20:18/mi
27:18
→ flat
13 ft elev
6.43M
13:29/mi
1:25:15
↑ 274↓ 780.9%
213 ft elev
6.62M
-41:-19/mi
1:17:35
↑ 161.6%
239 ft elev
10.65M
10:44/mi
2:00:51
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
11:06/mi
2:28:08
↑ 244↓ 1141.0%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Is this your race?

Claim it for a free AI report

A coach's-eye read of your race — emailed to you, free.

Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:17:35
Pace11:43 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:10:33
Pace10:52 /mi
📊Negative Split: 9.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:01:0012:298:5512:29
8:55
-
2.13M
2.13 mi07:15:4927:1812:4914:49
20:18
+11:23
6.43M
6.43 mi08:13:461:25:1513:1557:57
13:29
-6:49
6.62M
6.62 mi08:06:061:17:3511:43
-41:-19
-54:48
10.65M
10.65 mi08:49:222:00:5111:2143:16
10:44
+52:03
Finish
13.11 mi09:16:392:28:0811:1827:17
11:06
+0:22

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

-42:-19 /mi

Average Pace

11:18 /mi

Slowest Pace

20:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:08

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:18 /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 mi07:01:0012:298:5512:29
8:55
#2245
2.13M
2.13 mi07:15:4927:1812:4914:49
20:18
#3081
6.43M
6.43 mi08:13:461:25:1513:1557:57
13:29
#4093
6.62M
6.62 mi08:06:061:17:3511:43
-41:-19
#4054
10.65M
10.65 mi08:49:222:00:5111:2143:16
10:44
#3967
Finish
13.11 mi09:16:392:28:0811:1827:17
11:06
#4078
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
1.40M1.40 mi1.40 mi22457351332245735133
2.13M2.13 mi0.73 mi3081-8361107-372199-6639891550268
6.43M6.43 mi4.30 mi4093-10121570-463261-6245031796292
6.62M6.62 mi0.19 mi4054+391551+19259+2---
10.65M10.65 mi4.03 mi3967+871528+23258+138871516260
Finish13.11 mi2.46 mi4078-1111589-61273-1542951750290

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 37%
~flat
+3ft-2ft

Overall

2245

Females

735

F20-24

133

1.40M→2.13M

1.4 - 2.1 mi

Top 66%
~flat
+3ft-1ft

Overall

3989

Females

1550

F20-24

268

2.13M→6.43M

2.1 - 6.4 mi

Top 74%
×17story building
+274ft-78ft

Overall

4503

Females

1796

F20-24

292

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 64%
×21story building
+153ft-361ft

Overall

3887

Females

1516

F20-24

260

10.65M→Finish

10.7 - 13.1 mi

Top 71%
×17story building
+244ft-114ft

Overall

4295

Females

1750

F20-24

290

Passing Analysis

Category:
Athletes Passed
395*
Passed By
2228
Net Change
-1833
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#2245
1.40M → 2.13M21857-836#2245#3081
2.13M → 6.43M52*1064-1012#3081#4093
6.43M → 6.62M8849+39#4093#4054
6.62M → 10.65M182*95+87#4054#3967
10.65M → Finish52*163-111#3967#4078
TOTALS395*2228-1833

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

Passing Charts

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