All Results|Race Analytics|Course|Contact
SF MARATHON 2023

Chen Peng

Bib: 2138•M•Age: 37

Palo Alto, CA

San Francisco Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 4888
Top 37%
Gender (Male)
#0 / 3570
Top 42%
Division (M35-39)
#0 / 495
Top 46%
Race Day Weather
69°/59°F
broken clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
2.2 Miles
17:24
Rank: #1848
Start → 2.2 Miles
17:24 | 7:54/mi
5.7 Miles
52:24
Rank: #2151 (-303)
2.2 Miles → 5.7 Miles
35:00 | 10:00/mi
6.43 Miles
1:02:19
Rank: #2214 (-63)
5.7 Miles → 6.43 Miles
9:55 | 13:35/mi
10.92 Miles
1:44:21
Rank: #2340 (-126)
6.43 Miles → 10.92 Miles
42:02 | 9:22/mi
Garmin Hill Challenge· 11.42 mi
1:50:11
Rank: #2301 (+39)
10.92 Miles → Garmin Hill Challenge
5:50 | 11:40/mi
14.95 Miles
2:19:49
Rank: #2200 (+101)
Garmin Hill Challenge → 14.95 Miles
29:38 | 8:24/mi
18 Miles
2:52:27
Rank: #2083 (+117)
14.95 Miles → 18 Miles
32:38 | 10:42/mi
24 Miles
3:50:51
Rank: #1890 (+193)
18 Miles → 24 Miles
58:24 | 9:44/mi
Finish· 26.22 mi
4:10:48
Rank: #1797 (+93)
24 Miles → Finish
19:57 | 8:59/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.

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2.2 Miles
2.20 mi05:41:4817:247:5417:24
7:54
-
5.7 Miles
5.70 mi06:16:4852:249:1235:00
10:00
+2:06
6.43 Miles
6.43 mi06:26:431:02:199:419:55
13:35
+3:35
10.92 Miles
10.92 mi07:08:451:44:219:3342:02
9:22
-4:13
Garmin Hill Challenge
11.42 mi07:14:351:50:119:395:50
11:40
+2:18
14.95 Miles
14.95 mi07:44:132:19:499:2129:38
8:24
-3:16
18 Miles
18.00 mi08:16:512:52:279:3532:38
10:42
+2:18
24 Miles
24.00 mi09:15:153:50:519:3758:24
9:44
-0:58
Finish
26.22 mi09:35:124:10:489:3419:57
8:59
-0:45

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

7:54 /mi

Average Pace

9:34 /mi

Slowest Pace

13:35 /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

47:02

19% of race

Time at Steady Pace

2:35:23

62% of race

Time at Slower Pace

48:23

19% of race

Average Pace: 9:34 /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 mi05:41:4817:247:5417:24
7:54
#1848
5.7 Miles
5.70 mi06:16:4852:249:1235:00
10:00
#2151
6.43 Miles
6.43 mi06:26:431:02:199:419:55
13:35
#2214
10.92 Miles
10.92 mi07:08:451:44:219:3342:02
9:22
#2340
Garmin Hill Challenge
11.42 mi07:14:351:50:119:395:50
11:40
#2301
14.95 Miles
14.95 mi07:44:132:19:499:2129:38
8:24
#2200
18 Miles
18.00 mi08:16:512:52:279:3532:38
10:42
#2083
24 Miles
24.00 mi09:15:153:50:519:3758:24
9:44
#1890
Finish
26.22 mi09:35:124:10:489:3419:57
8:59
#1797
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2.2 Miles2.20 mi2.20 mi184815552321848(Top 38%)1555(Top 44%)232(Top 47%)
5.7 Miles5.70 mi3.50 mi2151-3031799-244271-392278(Top 47%)1897(Top 53%)277(Top 56%)
6.43 Miles6.43 mi0.73 mi2214-631850-51277-62637(Top 54%)2154(Top 60%)312(Top 63%)
10.92 Miles10.92 mi4.49 mi2340-1261952-102287-102589(Top 53%)2121(Top 59%)307(Top 62%)
Garmin Hill Challenge11.42 mi0.50 mi2301+391924+28286+12082(Top 43%)1750(Top 49%)249(Top 50%)
14.95 Miles14.95 mi3.53 mi2200+1011851+73266+201862(Top 38%)1582(Top 44%)232(Top 47%)
18 Miles18.00 mi3.05 mi2083+1171753+98259+71961(Top 40%)1633(Top 46%)237(Top 48%)
24 Miles24.00 mi6.00 mi1890+1931577+176235+241653(Top 34%)1360(Top 38%)196(Top 40%)
Finish26.22 mi2.22 mi1797+931502+75229+61134(Top 23%)951(Top 27%)138(Top 28%)

Segment Performance Analysis

Start → 2.2 Miles

0.0 - 2.2 mi

Top 38%
×1human
+8ft-12ft

Overall

1848

Males

1555

M35-39

235

2.2 Miles→5.7 Miles

2.2 - 5.7 mi

Top 47%
×6stories
+92ft-87ft

Overall

2278

Males

1897

M35-39

281

5.7 Miles→6.43 Miles

5.7 - 6.4 mi

Top 54%
×11stories
+137ft-3ft

Overall

2637

Males

2154

M35-39

315

6.43 Miles→10.92 Miles

6.4 - 10.9 mi

Top 53%
×21stories
+225ft-318ft

Overall

2589

Males

2121

M35-39

311

10.92 Miles→Garmin Hill Challenge

10.9 - 11.4 mi

Top 43%
×11stories
+134ft-123ft

Overall

2082

Males

1750

M35-39

251

Garmin Hill Challenge→14.95 Miles

11.4 - 14.9 mi

Top 38%
×16stories
+234ft-225ft

Overall

1862

Males

1582

M35-39

233

14.95 Miles→18 Miles

14.9 - 18.0 mi

Top 40%
×12stories
+165ft-60ft

Overall

1961

Males

1633

M35-39

238

18 Miles→24 Miles

18.0 - 24.0 mi

Top 34%
×21stories
+142ft-377ft

Overall

1653

Males

1360

M35-39

196

24 Miles→Finish

24.0 - 26.2 mi

Top 23%
~flat
+2ft-2ft

Overall

1134

Males

951

M35-39

138

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
698*
Passed By
647
Net Change
+51
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2.2 Miles----#1848
2.2 Miles → 5.7 Miles40*343-303#1848#2151
5.7 Miles → 6.43 Miles1073-63#2151#2214
6.43 Miles → 10.92 Miles33*159-126#2214#2340
10.92 Miles → Garmin Hill Challenge467+39#2340#2301
Garmin Hill Challenge → 14.95 Miles1098+101#2301#2200
14.95 Miles → 18 Miles135*18+117#2200#2083
18 Miles → 24 Miles226*33+193#2083#1890
24 Miles → Finish99*6+93#1890#1797
TOTALS698*647+51

* 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...

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

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