San Francisco Marathon logo
SF MARATHON 2023

Gang Chen

Bib: 1166•M•Age: 52

Fremont, CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 4888
Top 10%
Gender (Male)
#0 / 3570
Top 12%
Masters (Masters Men)
#0 / 1128
Top 9%
Division (M50-54)
#0 / 237
Top 8%
Race Day Weather
69°/59°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2.2 Miles
15:35
Rank: #739
Start → 2.2 Miles
15:35 | 7:05/mi
5.7 Miles
45:10
Rank: #639 (+100)
2.2 Miles → 5.7 Miles
29:35 | 8:27/mi
6.43 Miles
53:37
Rank: #670 (-31)
5.7 Miles → 6.43 Miles
8:27 | 11:34/mi
10.92 Miles
1:28:53
Rank: #717 (-47)
6.43 Miles → 10.92 Miles
35:16 | 7:51/mi
Garmin Hill Challenge· 11.42 mi
1:33:48
Rank: #703 (+14)
10.92 Miles → Garmin Hill Challenge
4:55 | 9:50/mi
14.95 Miles
1:59:17
Rank: #654 (+49)
Garmin Hill Challenge → 14.95 Miles
25:29 | 7:13/mi
18 Miles
2:26:19
Rank: #605 (+49)
14.95 Miles → 18 Miles
27:02 | 8:52/mi
24 Miles
3:12:09
Rank: #479 (+126)
18 Miles → 24 Miles
45:50 | 7:38/mi
Finish· 26.22 mi
3:29:49
Rank: #471 (+8)
24 Miles → Finish
17:40 | 7:58/mi

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.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2.2 Miles
2.20 mi05:32:2615:357:0515:35
7:05
-
5.7 Miles
5.70 mi06:02:0145:107:5529:35
8:27
+1:22
6.43 Miles
6.43 mi06:10:2853:378:208:27
11:34
+3:07
10.92 Miles
10.92 mi06:45:441:28:538:0835:16
7:51
-3:43
Garmin Hill Challenge
11.42 mi06:50:391:33:488:134:55
9:50
+1:59
14.95 Miles
14.95 mi07:16:081:59:177:5925:29
7:13
-2:37
18 Miles
18.00 mi07:43:102:26:198:0827:02
8:52
+1:39
24 Miles
24.00 mi08:29:003:12:098:0045:50
7:38
-1:14
Finish
26.22 mi08:46:403:29:498:0017:40
7:58
+0:20

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

7:05 /mi

Average Pace

8:00 /mi

Slowest Pace

11:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

41:04

20% of race

Time at Steady Pace

2:08:21

61% of race

Time at Slower Pace

40:24

19% of race

Average Pace: 8:00 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2.2 Miles
2.20 mi05:32:2615:357:0515:35
7:05
#739
5.7 Miles
5.70 mi06:02:0145:107:5529:35
8:27
#639
6.43 Miles
6.43 mi06:10:2853:378:208:27
11:34
#670
10.92 Miles
10.92 mi06:45:441:28:538:0835:16
7:51
#717
Garmin Hill Challenge
11.42 mi06:50:391:33:488:134:55
9:50
#703
14.95 Miles
14.95 mi07:16:081:59:177:5925:29
7:13
#654
18 Miles
18.00 mi07:43:102:26:198:0827:02
8:52
#605
24 Miles
24.00 mi08:29:003:12:098:0045:50
7:38
#479
Finish
26.22 mi08:46:403:29:498:0017:40
7:58
#471
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
2.2 Miles2.20 mi2.20 mi73966934739(Top 15%)669(Top 19%)34(Top 14%)
5.7 Miles5.70 mi3.50 mi639+100587+8232+2612(Top 13%)564(Top 16%)28(Top 12%)
6.43 Miles6.43 mi0.73 mi670-31617-3032932(Top 19%)833(Top 23%)37(Top 16%)
10.92 Miles10.92 mi4.49 mi717-47652-3533-1826(Top 17%)749(Top 21%)33(Top 14%)
Garmin Hill Challenge11.42 mi0.50 mi703+14644+833646(Top 13%)606(Top 17%)19(Top 8%)
14.95 Miles14.95 mi3.53 mi654+49599+4526+7546(Top 11%)510(Top 14%)18(Top 8%)
18 Miles18.00 mi3.05 mi605+49554+4521+5510(Top 10%)476(Top 13%)18(Top 8%)
24 Miles24.00 mi6.00 mi479+126442+11219+2256(Top 5%)239(Top 7%)9(Top 4%)
Finish26.22 mi2.22 mi471+8435+719429(Top 9%)389(Top 11%)14(Top 6%)

Segment Performance Analysis

Start → 2.2 Miles

0.0 - 2.2 mi

Top 15%
×1human
+8ft-12ft

Overall

739

Males

669

M50-54

34

2.2 Miles→5.7 Miles

2.2 - 5.7 mi

Top 13%
×6stories
+92ft-87ft

Overall

612

Males

564

M50-54

28

5.7 Miles→6.43 Miles

5.7 - 6.4 mi

Top 19%
×11stories
+137ft-3ft

Overall

932

Males

833

M50-54

37

6.43 Miles→10.92 Miles

6.4 - 10.9 mi

Top 17%
×21stories
+225ft-318ft

Overall

826

Males

749

M50-54

33

10.92 Miles→Garmin Hill Challenge

10.9 - 11.4 mi

Top 13%
×11stories
+134ft-123ft

Overall

646

Males

606

M50-54

19

Garmin Hill Challenge→14.95 Miles

11.4 - 14.9 mi

Top 11%
×16stories
+234ft-225ft

Overall

546

Males

510

M50-54

18

14.95 Miles→18 Miles

14.9 - 18.0 mi

Top 10%
×12stories
+165ft-60ft

Overall

510

Males

476

M50-54

18

18 Miles→24 Miles

18.0 - 24.0 mi

Top 5%
×21stories
+142ft-377ft

Overall

256

Males

239

M50-54

9

24 Miles→Finish

24.0 - 26.2 mi

Top 9%
~flat
+2ft-2ft

Overall

429

Males

389

M50-54

14

Passing Analysis

Category:
Athletes Passed
436*
Passed By
168
Net Change
+268
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2.2 Miles----#739
2.2 Miles → 5.7 Miles13131+100#739#639
5.7 Miles → 6.43 Miles637-31#639#670
6.43 Miles → 10.92 Miles1764-47#670#717
10.92 Miles → Garmin Hill Challenge195+14#717#703
Garmin Hill Challenge → 14.95 Miles567+49#703#654
14.95 Miles → 18 Miles58*9+49#654#605
18 Miles → 24 Miles133*7+126#605#479
24 Miles → Finish168+8#479#471
TOTALS436*168+268

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

📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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