William Xiao

Bib: 22398MAge: 32

San Francisco, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 3840
Top 13%
Gender (Male)
#0 / 2065
Top 19%
Division (M30-34)
#0 / 453
Top 20%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
9292 ft
×24story building
548 ft climb · 587 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
7:50/mi
15:40
138680.7%
4M
7:13/mi
30:06
1631.4%
6M
9:34/mi
49:14
55830.3%
8M
5:56/mi
1:01:07
651510.8%
10M
8:13/mi
1:17:32
611741.1%
12M
9:31/mi
1:36:34
41530.1%
Finish· 13.11 mi
8:47/mi
1:46:19
→ flat

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 6MFaster
Distance6.00 mi
Time49:14
Pace8:12 /mi
2nd Half
Distance7.11 mi
Time57:05
Pace8:02 /mi
📊Positive Split: 15.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:49:4915:407:5015:40
7:50
-
4M
4.00 mi09:04:1530:067:3214:26
7:13
-0:37
6M
6.00 mi09:23:2349:148:1219:08
9:34
+2:21
8M
8.00 mi09:35:161:01:077:3811:53
5:56
-3:38
10M
10.00 mi09:51:411:17:327:4516:25
8:13
+2:17
12M
12.00 mi10:10:431:36:348:0319:02
9:31
+1:18
Finish
13.11 mi10:20:281:46:198:079:45
8:47
-0:44

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

5:56 /mi

Average Pace

8:07 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

26:19

25% of race

Time at Steady Pace

41:50

39% of race

Time at Slower Pace

38:10

36% of race

Average Pace: 8:07 /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
2M
2.00 mi08:49:4915:407:5015:40
7:50
#386
4M
4.00 mi09:04:1530:067:3214:26
7:13
#366
6M
6.00 mi09:23:2349:148:1219:08
9:34
#378
8M
8.00 mi09:35:161:01:077:3811:53
5:56
#377
10M
10.00 mi09:51:411:17:327:4516:25
8:13
#398
12M
12.00 mi10:10:431:36:348:0319:02
9:31
#478
Finish
13.11 mi10:20:281:46:198:079:45
8:47
#493
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi2.00 mi386308691065(Top 28%)746(Top 36%)166(Top 37%)
4M4.00 mi2.00 mi366+20296+1265+4358(Top 9%)286(Top 14%)68(Top 15%)
6M6.00 mi2.00 mi378-12302-667-2408(Top 11%)322(Top 16%)74(Top 16%)
8M8.00 mi2.00 mi377+1300+266+1410(Top 11%)327(Top 16%)75(Top 17%)
10M10.00 mi2.00 mi398-21318-1872-6487(Top 13%)383(Top 19%)89(Top 20%)
12M12.00 mi2.00 mi478-80377-5991-191065(Top 28%)746(Top 36%)166(Top 37%)
Finish13.11 mi1.11 mi493-15386-991825(Top 21%)609(Top 29%)135(Top 30%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 28%
×9story building
+138ft-68ft

Overall

1065

Males

746

M30-34

166

2M→4M

2.0 - 4.0 mi

Top 9%
×13story building
+163ft-19ft

Overall

358

Males

286

M30-34

68

4M→6M

4.0 - 6.0 mi

Top 11%
×4story building
+55ft-83ft

Overall

408

Males

322

M30-34

74

6M→8M

6.0 - 8.0 mi

Top 11%
×10story building
+65ft-151ft

Overall

410

Males

327

M30-34

75

8M→10M

8.0 - 10.0 mi

Top 13%
×10story building
+61ft-174ft

Overall

487

Males

383

M30-34

89

10M→12M

10.0 - 12.0 mi

Top 28%
×3story building
+41ft-53ft

Overall

1065

Males

746

M30-34

166

12M→Finish

12.0 - 13.1 mi

Top 21%
×1human
+6ft-6ft

Overall

825

Males

609

M30-34

135

Passing Analysis

Category:
Athletes Passed
77*
Passed By
184
Net Change
-107
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#386
2M4M3616+20#386#366
4M6M1628-12#366#378
6M8M1514+1#378#377
8M10M5*26-21#377#398
10M12M080-80#398#478
12MFinish520-15#478#493
TOTALS77*184-107

* 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