San Francisco Marathon logo
SF MARATHON 2023

Tao Sun

Bib: 992•M•Age: 33

Cupertino, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 4888
Gender (Male)
#0 / 3570
Division (M30-34)
#0 / 692
Race Day Weather
69°/59°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
2.2 Miles
15:11
Rank: #552
Start → 2.2 Miles
15:11 | 6:54/mi
5.7 Miles
49:44
Rank: #1542 (-990)
2.2 Miles → 5.7 Miles
34:33 | 9:52/mi
6.43 Miles
1:00:16
Rank: #1844 (-302)
5.7 Miles → 6.43 Miles
10:32 | 14:26/mi
10.92 Miles
1:42:52
Rank: #2190 (-346)
6.43 Miles → 10.92 Miles
42:36 | 9:29/mi
Garmin Hill Challenge· 11.42 mi
1:50:39
Rank: #2339 (-149)
10.92 Miles → Garmin Hill Challenge
7:47 | 15:34/mi
14.95 Miles
2:27:08
Rank: #2770 (-431)
Garmin Hill Challenge → 14.95 Miles
36:29 | 10:20/mi
18 Miles
3:09:56
Rank: #3094 (-324)
14.95 Miles → 18 Miles
42:48 | 14:02/mi
24 Miles
4:29:38
Rank: #3419 (-325)
18 Miles → 24 Miles
1:19:42 | 13:17/mi
Finish· 26.22 mi
4:56:29
Rank: #3428 (-9)
24 Miles → Finish
26:51 | 12:06/mi
Is this your race?

Claim it — get your free Race Performance Report

An AI deep-dive into your pacing, rankings, and passing — built from your real splits and emailed to you, free.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2.2 Miles
2.20 mi05:31:5715:116:5415:11
6:54
-
5.7 Miles
5.70 mi06:06:3049:448:4434:33
9:52
+2:58
6.43 Miles
6.43 mi06:17:021:00:169:2210:32
14:26
+4:34
10.92 Miles
10.92 mi06:59:381:42:529:2542:36
9:29
-4:57
Garmin Hill Challenge
11.42 mi07:07:251:50:399:417:47
15:34
+6:05
14.95 Miles
14.95 mi07:43:542:27:089:5036:29
10:20
-5:14
18 Miles
18.00 mi08:26:423:09:5610:3342:48
14:02
+3:42
24 Miles
24.00 mi09:46:244:29:3811:141:19:42
13:17
-0:45
Finish
26.22 mi10:13:154:56:2911:1926:51
12:06
-1:11

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

6:54 /mi

Average Pace

11:19 /mi

Slowest Pace

15:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:08:49

43% of race

Time at Steady Pace

1:46:33

36% of race

Time at Slower Pace

1:01:07

21% 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...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2.2 Miles
2.20 mi05:31:5715:116:5415:11
6:54
#552
5.7 Miles
5.70 mi06:06:3049:448:4434:33
9:52
#1542
6.43 Miles
6.43 mi06:17:021:00:169:2210:32
14:26
#1844
10.92 Miles
10.92 mi06:59:381:42:529:2542:36
9:29
#2190
Garmin Hill Challenge
11.42 mi07:07:251:50:399:417:47
15:34
#2339
14.95 Miles
14.95 mi07:43:542:27:089:5036:29
10:20
#2770
18 Miles
18.00 mi08:26:423:09:5610:3342:48
14:02
#3094
24 Miles
24.00 mi09:46:244:29:3811:141:19:42
13:17
#3419
Finish
26.22 mi10:13:154:56:2911:1926:51
12:06
#3428
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2.2 Miles2.20 mi2.20 mi552508104552(Top 11%)508(Top 14%)104(Top 15%)
5.7 Miles5.70 mi3.50 mi1542-9901328-820264-1602155(Top 44%)1805(Top 51%)338(Top 49%)
6.43 Miles6.43 mi0.73 mi1844-3021563-235301-373272(Top 67%)2586(Top 72%)486(Top 70%)
10.92 Miles10.92 mi4.49 mi2190-3461844-281350-492746(Top 56%)2240(Top 63%)429(Top 62%)
Garmin Hill Challenge11.42 mi0.50 mi2339-1491950-106369-193998(Top 82%)3056(Top 86%)597(Top 86%)
14.95 Miles14.95 mi3.53 mi2770-4312253-303431-623823(Top 78%)2921(Top 82%)563(Top 81%)
18 Miles18.00 mi3.05 mi3094-3242465-212474-433971(Top 81%)2978(Top 83%)574(Top 83%)
24 Miles24.00 mi6.00 mi3419-3252644-179511-373980(Top 81%)2945(Top 82%)567(Top 82%)
Finish26.22 mi2.22 mi3428-92645-1509+23490(Top 71%)2588(Top 72%)505(Top 73%)

Segment Performance Analysis

Start → 2.2 Miles

0.0 - 2.2 mi

Top 11%
×1human
+8ft-12ft

Overall

552

Males

508

M30-34

106

2.2 Miles→5.7 Miles

2.2 - 5.7 mi

Top 44%
×6stories
+92ft-87ft

Overall

2155

Males

1805

M30-34

343

5.7 Miles→6.43 Miles

5.7 - 6.4 mi

Top 67%
×11stories
+137ft-3ft

Overall

3272

Males

2586

M30-34

492

6.43 Miles→10.92 Miles

6.4 - 10.9 mi

Top 56%
×21stories
+225ft-318ft

Overall

2746

Males

2240

M30-34

435

10.92 Miles→Garmin Hill Challenge

10.9 - 11.4 mi

Top 82%
×11stories
+134ft-123ft

Overall

3998

Males

3056

M30-34

605

Garmin Hill Challenge→14.95 Miles

11.4 - 14.9 mi

Top 78%
×16stories
+234ft-225ft

Overall

3823

Males

2921

M30-34

572

14.95 Miles→18 Miles

14.9 - 18.0 mi

Top 81%
×12stories
+165ft-60ft

Overall

3971

Males

2978

M30-34

577

18 Miles→24 Miles

18.0 - 24.0 mi

Top 81%
×21stories
+142ft-377ft

Overall

3980

Males

2945

M30-34

568

24 Miles→Finish

24.0 - 26.2 mi

Top 71%
~flat
+2ft-2ft

Overall

3490

Males

2588

M30-34

505

Passing Analysis

Category:
Athletes Passed
99*
Passed By
2975
Net Change
-2876
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2.2 Miles----#552
2.2 Miles → 5.7 Miles1991-990#552#1542
5.7 Miles → 6.43 Miles3305-302#1542#1844
6.43 Miles → 10.92 Miles9*355-346#1844#2190
10.92 Miles → Garmin Hill Challenge2151-149#2190#2339
Garmin Hill Challenge → 14.95 Miles1432-431#2339#2770
14.95 Miles → 18 Miles14*338-324#2770#3094
18 Miles → 24 Miles30*355-325#3094#3419
24 Miles → Finish39*48-9#3419#3428
TOTALS99*2975-2876

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

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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
Share Feedback

Public Race Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events