Yafei Li

Bib: 11641MAge: 30

Oakland, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 5177
Top 14%
Gender (Male)
#0 / 2862
Top 21%
Division (M30-34)
#0 / 642
Top 22%
Race Day Weather
56°/46°F
overcast 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
2.13M
11:08/mi
23:42
→ flat
6.62M
8:19/mi
1:01:03
299780.9%
7.12M
10:16/mi
1:06:11
271.0%
10.65M
7:53/mi
1:33:59
1273601.3%
Finish· 13.11 mi
7:44/mi
1:52:59
2441141.0%

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
Time1:01:03
Pace9:13 /mi
2nd Half✓ Faster
Distance6.49 mi
Time51:56
Pace8:00 /mi
📊Negative Split: 14.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2.13M
2.13 mi07:24:3723:4211:0823:42
11:08
-
6.62M
6.62 mi08:01:581:01:039:1337:21
8:19
-2:49
7.12M
7.12 mi08:07:061:06:119:185:08
10:16
+1:57
10.65M
10.65 mi08:34:541:33:598:4927:48
7:53
-2:23
Finish
13.11 mi08:53:541:52:598:3719:00
7:44
-0:09

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

7:44 /mi

Average Pace

8:37 /mi

Slowest Pace

11:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

1:24:09

74% of race

Time at Slower Pace

28:50

26% of race

Average Pace: 8:37 /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
2.13M
2.13 mi07:24:3723:4211:0823:42
11:08
#1120
6.62M
6.62 mi08:01:581:01:039:1337:21
8:19
#893
7.12M
7.12 mi08:07:061:06:119:185:08
10:16
#827
10.65M
10.65 mi08:34:541:33:598:4927:48
7:53
#763
Finish
13.11 mi08:53:541:52:598:3719:00
7:44
#750
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2.13M2.13 mi2.13 mi11208501941120(Top 22%)850(Top 30%)194(Top 30%)
6.62M6.62 mi4.49 mi893+227699+151175+19811(Top 16%)640(Top 22%)157(Top 24%)
7.12M7.12 mi0.50 mi827+66652+47166+9492(Top 10%)410(Top 14%)94(Top 15%)
10.65M10.65 mi3.53 mi763+64603+49151+15723(Top 14%)576(Top 20%)140(Top 22%)
Finish13.11 mi2.46 mi750+13591+12142+9735(Top 14%)584(Top 20%)137(Top 21%)

Segment Performance Analysis

Start → 2.13M

0.0 - 2.1 mi

Top 22%
~flat
+6ft-3ft

Overall

1120

Males

850

M30-34

194

2.13M→6.62M

2.1 - 6.6 mi

Top 16%
×19story building
+299ft-78ft

Overall

811

Males

640

M30-34

157

6.62M→7.12M

6.6 - 7.1 mi

Top 10%
×2story building
+27ft-0ft

Overall

492

Males

410

M30-34

94

7.12M→10.65M

7.1 - 10.7 mi

Top 14%
×21story building
+127ft-360ft

Overall

723

Males

576

M30-34

140

10.65M→Finish

10.7 - 13.1 mi

Top 14%
×17story building
+244ft-114ft

Overall

735

Males

584

M30-34

137

Passing Analysis

Category:
Athletes Passed
462*
Passed By
92
Net Change
+370
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2.13M----#1120
2.13M6.62M26134+227#1120#893
6.62M7.12M704+66#893#827
7.12M10.65M8723+64#827#763
10.65MFinish44*31+13#763#750
TOTALS462*92+370

* 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