San Francisco Marathon logo
SF MARATHON 1ST HALF 2025

Zhifan Li

San Francisco, CA

Bib: 12099 F 30

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 7100
Top 11%
Gender (Female)
#0 / 3107
Top 4%
Division (F30-34)
#0 / 691
Top 2%
Race Day Weather
56°/46°F
light rain

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.81M
8:11/mi
14:49
→ flat
12 ft elev
5.34M
8:04/mi
43:17
↑ 80↓ 74
19 ft elev
6.15M
8:26/mi
50:07
↑ 1262.8%
149 ft elev
10.54M
8:25/mi
1:27:03
↑ 230↓ 3610.6%
20 ft elev
11.05M
11:01/mi
1:32:40
↑ 1726.4%
213 ft elev
Finish· 13.11 mi
8:44/mi
1:50:40
↑ 97↓ 1140.2%
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 on this race

A one-of-a-kind AI Race Performance Report that reads your race like a coach. A plain-English story of how you raced, where you surged and faded, and what it all means. Emailed to you, free.

Half Splits

1st Half· via 6.15MFaster
Distance6.15 mi
Time50:07
Pace8:09 /mi
2nd Half
Distance6.96 mi
Time1:00:33
Pace8:42 /mi
📊Positive Split: 20.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi06:45:2614:498:1114:49
8:11
-
5.34M
5.34 mi07:13:5443:178:0628:28
8:04
-0:07
6.15M
6.15 mi07:20:4450:078:096:50
8:26
+0:22
10.54M
10.54 mi07:57:401:27:038:1636:56
8:25
-0:01
11.05M
11.05 mi08:03:171:32:408:235:37
11:01
+2:36
Finish
13.11 mi08:21:171:50:408:2718:00
8:44
-2:17

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

8:04 /mi

Average Pace

8:27 /mi

Slowest Pace

11:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

1:45:03

95% of race

Time at Slower Pace

5:37

5% of race

Average Pace: 8:26 /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
1.81M
1.81 mi06:45:2614:498:1114:49
8:11
#840
5.34M
5.34 mi07:13:5443:178:0628:28
8:04
#707
6.15M
6.15 mi07:20:4450:078:096:50
8:26
#695
10.54M
10.54 mi07:57:401:27:038:1636:56
8:25
#762
11.05M
11.05 mi08:03:171:32:408:235:37
11:01
#752
Finish
13.11 mi08:21:171:50:408:2718:00
8:44
#756
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
1.81M1.81 mi1.81 mi84014826840(Top 12%)148(Top 5%)26(Top 4%)
5.34M5.34 mi3.53 mi707+133116+3216+10668(Top 9%)104(Top 3%)14(Top 2%)
6.15M6.15 mi0.81 mi695+12111+515+1721(Top 10%)118(Top 4%)17(Top 2%)
10.54M10.54 mi4.39 mi762-67124-1318-3875(Top 12%)145(Top 5%)22(Top 3%)
11.05M11.05 mi0.51 mi752+10122+218923(Top 13%)160(Top 5%)23(Top 3%)
Finish13.11 mi2.06 mi756-4121+117+1889(Top 13%)164(Top 5%)24(Top 3%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 12%
~flat
+4ft-3ft

Overall

840

Females

148

F30-34

27

1.81M→5.34M

1.8 - 5.3 mi

Top 9%
×4story building
+80ft-74ft

Overall

668

Females

104

F30-34

15

5.34M→6.15M

5.3 - 6.2 mi

Top 10%
×10story building
+126ft-4ft

Overall

721

Females

118

F30-34

18

6.15M→10.54M

6.2 - 10.5 mi

Top 12%
×21story building
+230ft-361ft

Overall

875

Females

145

F30-34

23

10.54M→11.05M

10.5 - 11.1 mi

Top 13%
×14story building
+172ft-0ft

Overall

923

Females

160

F30-34

23

11.05M→Finish

11.1 - 13.1 mi

Top 13%
×7story building
+97ft-114ft

Overall

889

Females

164

F30-34

24

Passing Analysis

Category:
Athletes Passed
261*
Passed By
177
Net Change
+84
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#840
1.81M → 5.34M16027+133#840#707
5.34M → 6.15M2917+12#707#695
6.15M → 10.54M2996-67#695#762
10.54M → 11.05M2313+10#762#752
11.05M → Finish20*24-4#752#756
TOTALS261*177+84

* 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