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SF MARATHON 2026

Chon Fong Lei

Bib: 4718•M•Age: 53

Santa Clara, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 7166
Gender (Male)
#0 / 5052
Masters (Masters Men)
#0 / 1321
Division (M50-54)
#0 / 245
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
20:09
Rank: #4316
Start → 2M
20:09 | 10:04/mi
4M
41:15
Rank: #4637 (-321)
2M → 4M
21:06 | 10:33/mi
6M
1:02:11
Rank: #4565 (+72)
4M → 6M
20:56 | 10:28/mi
8M
1:22:26
Rank: #4484 (+81)
6M → 8M
20:15 | 10:07/mi
9.6M
1:41:38
Rank: #4709 (-225)
8M → 9.6M
19:12 | 12:00/mi
10M
1:44:36
Rank: #4706 (+3)
9.6M → 10M
2:58 | 7:26/mi
10.5M
1:52:06
Rank: #4711 (-5)
10M → 10.5M
7:30 | 15:00/mi
12M
2:10:26
Rank: #5008 (-297)
10.5M → 12M
18:20 | 12:13/mi
14M
2:35:13
Rank: #5067 (-59)
12M → 14M
24:47 | 12:23/mi
16M
2:58:47
Rank: #5303 (-236)
14M → 16M
23:34 | 11:47/mi
18M
3:22:20
Rank: #5127 (+176)
16M → 18M
23:33 | 11:47/mi
20M
3:46:32
Rank: #5110 (+17)
18M → 20M
24:12 | 12:06/mi
22M
4:09:27
Rank: #5089 (+21)
20M → 22M
22:55 | 11:27/mi
24M
4:36:28
Rank: #5135 (-46)
22M → 24M
27:01 | 13:31/mi
Finish· 26.22 mi
5:04:45
Rank: #5155 (-20)
24M → Finish
28:17 | 12:45/mi

The Course

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time2:35:13
Pace11:05 /mi
2nd Half✓ Faster
Distance12.22 mi
Time2:29:32
Pace12:14 /mi
📊Negative Split: 3.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:51:3320:0910:0420:09
10:04
-
4M
4.00 mi06:12:3941:1510:1921:06
10:33
+0:29
6M
6.00 mi06:33:351:02:1110:2220:56
10:28
-0:05
8M
8.00 mi06:53:501:22:2610:1820:15
10:07
-0:21
9.6M
9.60 mi07:13:021:41:3810:3519:12
12:00
+1:53
10M
10.00 mi07:16:001:44:3610:282:58
7:26
-4:34
10.5M
10.50 mi07:23:301:52:0610:417:30
15:00
+7:34
12M
12.00 mi07:41:502:10:2610:5218:20
12:13
-2:47
14M
14.00 mi08:06:372:35:1311:0524:47
12:23
+0:10
16M
16.00 mi08:30:112:58:4711:1023:34
11:47
-0:36
18M
18.00 mi08:53:443:22:2011:1423:33
11:47
0:00
20M
20.00 mi09:17:563:46:3211:2024:12
12:06
+0:19
22M
22.00 mi09:40:514:09:2711:2022:55
11:27
-0:39
24M
24.00 mi10:07:524:36:2811:3127:01
13:31
+2:04
Finish
26.22 mi10:36:095:04:4511:3828:17
12:45
-0:46

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

7:26 /mi

Average Pace

11:38 /mi

Slowest Pace

15:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:24

28% of race

Time at Steady Pace

2:36:33

51% of race

Time at Slower Pace

1:02:48

21% of race

Average Pace: 11:37 /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...
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
2M
2.00 mi05:51:3320:0910:0420:09
10:04
#4316
4M
4.00 mi06:12:3941:1510:1921:06
10:33
#4637
6M
6.00 mi06:33:351:02:1110:2220:56
10:28
#4565
8M
8.00 mi06:53:501:22:2610:1820:15
10:07
#4484
9.6M
9.60 mi07:13:021:41:3810:3519:12
12:00
#4709
10M
10.00 mi07:16:001:44:3610:282:58
7:26
#4706
10.5M
10.50 mi07:23:301:52:0610:417:30
15:00
#4711
12M
12.00 mi07:41:502:10:2610:5218:20
12:13
#5008
14M
14.00 mi08:06:372:35:1311:0524:47
12:23
#5067
16M
16.00 mi08:30:112:58:4711:1023:34
11:47
#5303
18M
18.00 mi08:53:443:22:2011:1423:33
11:47
#5127
20M
20.00 mi09:17:563:46:3211:2024:12
12:06
#5110
22M
22.00 mi09:40:514:09:2711:2022:55
11:27
#5089
24M
24.00 mi10:07:524:36:2811:3127:01
13:31
#5135
Finish
26.22 mi10:36:095:04:4511:3828:17
12:45
#5155
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 69%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:28

Segment Time

11:38/mi

Pace

0.90 mi

Distance

Overall

4948

Men

3719

Division

166

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
2M2.00 mi2.00 mi431633671496160(Top 86%)4492(Top 89%)194(Top 79%)
4M4.00 mi2.00 mi4637-3213557-190154-54936(Top 69%)3748(Top 74%)163(Top 67%)
6M6.00 mi2.00 mi4565+723515+42150+44545(Top 63%)3502(Top 69%)146(Top 60%)
8M8.00 mi2.00 mi4484+813471+44145+54405(Top 61%)3412(Top 68%)137(Top 56%)
9.6M9.60 mi1.60 mi4709-2253604-133154-95561(Top 78%)4119(Top 82%)182(Top 74%)
10M10.00 mi0.40 mi4706+33605-1155-14866(Top 68%)3683(Top 73%)163(Top 67%)
10.5M10.50 mi0.50 mi4711-53607-2158-35144(Top 72%)3829(Top 76%)172(Top 70%)
12M12.00 mi1.50 mi5008-2973788-181166-86160(Top 86%)4492(Top 89%)194(Top 79%)
14M14.00 mi2.00 mi5067-593819-31165+15501(Top 77%)4070(Top 81%)174(Top 71%)
16M16.00 mi2.00 mi5303-2363947-128174-96050(Top 84%)4373(Top 87%)197(Top 80%)
18M18.00 mi2.00 mi5127+1763827+120170+44251(Top 59%)3187(Top 63%)144(Top 59%)
20M20.00 mi2.00 mi5110+173802+25166+44931(Top 69%)3581(Top 71%)166(Top 68%)
22M22.00 mi2.00 mi5089+213776+261664737(Top 66%)3417(Top 68%)162(Top 66%)
24M24.00 mi2.00 mi5135-463797-21169-35222(Top 73%)3726(Top 74%)179(Top 73%)
Finish26.22 mi2.22 mi5155-203808-11167+25164(Top 72%)3701(Top 73%)171(Top 70%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 86%
×1human
+6ft-11ft

Overall

6160

Males

4492

M50-54

197

2M→4M

2.0 - 4.0 mi

Top 69%
×4stories
+75ft-70ft

Overall

4936

Males

3748

M50-54

165

4M→6M

4.0 - 6.0 mi

Top 63%
×5stories
+71ft-18ft

Overall

4545

Males

3502

M50-54

148

6M→8M

6.0 - 8.0 mi

Top 61%
×9stories
+106ft-21ft

Overall

4405

Males

3412

M50-54

139

8M→9.6M

8.0 - 9.6 mi

Top 78%
×13stories
+117ft-177ft

Overall

5561

Males

4119

M50-54

186

9.6M→10M

9.6 - 10.0 mi

Top 68%
×1story
+17ft-12ft

Overall

4866

Males

3683

M50-54

166

10M→10.5M

10.0 - 10.5 mi

Top 72%
×9stories
+0ft-102ft

Overall

5144

Males

3829

M50-54

175

10.5M→12M

10.5 - 12.0 mi

Top 86%
×18stories
+304ft-125ft

Overall

6160

Males

4492

M50-54

197

12M→14M

12.0 - 14.0 mi

Top 77%
×9stories
+99ft-125ft

Overall

5501

Males

4070

M50-54

175

14M→16M

14.0 - 16.0 mi

Top 84%
×9stories
+124ft-78ft

Overall

6050

Males

4373

M50-54

197

16M→18M

16.0 - 18.0 mi

Top 59%
×8stories
+106ft-45ft

Overall

4251

Males

3187

M50-54

144

18M→20M

18.0 - 20.0 mi

Top 69%
×3stories
+52ft-26ft

Overall

4931

Males

3581

M50-54

166

20M→22M

20.0 - 22.0 mi

Top 66%
×21stories
+17ft-266ft

Overall

4737

Males

3417

M50-54

162

22M→24M

22.0 - 24.0 mi

Top 73%
×3stories
+70ft-85ft

Overall

5222

Males

3726

M50-54

179

24M→Finish

24.0 - 26.2 mi

Top 72%
~flat
+2ft-2ft

Overall

5164

Males

3701

M50-54

171

Passing Analysis

Category:
Athletes Passed
997*
Passed By
1836
Net Change
-839
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4316
2M → 4M72*393-321#4316#4637
4M → 6M16492+72#4637#4565
6M → 8M120*39+81#4565#4484
8M → 9.6M46*271-225#4484#4709
9.6M → 10M1714+3#4709#4706
10M → 10.5M4853-5#4706#4711
10.5M → 12M9306-297#4711#5008
12M → 14M55*114-59#5008#5067
14M → 16M30*266-236#5067#5303
16M → 18M20731+176#5303#5127
18M → 20M72*55+17#5127#5110
20M → 22M70*49+21#5110#5089
22M → 24M34*80-46#5089#5135
24M → Finish53*73-20#5135#5155
TOTALS997*1836-839

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

📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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