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SF MARATHON 1ST HALF 2026

Billy Chan

Bib: 16669•M•Age: 35

Daly City, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Division (M35-39)
#0 / 582
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
11:27/mi
22:54
→ flat
4M
11:32/mi
45:58
↑ 67↓ 69
6M
11:31/mi
1:09:00
↑ 1231.1%
8M
10:49/mi
1:30:38
↑ 166↓ 531.1%
9.6M
10:49/mi
1:47:56
↑ 68↓ 1931.5%
10M
19:46/mi
1:55:50
↓ 241.1%
10.5M
5:12/mi
1:58:26
↓ 732.7%
12M
13:59/mi
2:19:24
↑ 2803.2%
Finish· 13.11 mi
11:05/mi
2:31:42
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:09:00
Pace11:30 /mi
2nd Half
Distance7.11 mi
Time1:22:42
Pace11:38 /mi
📊Positive Split: 19.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:03:4222:5411:2722:54
11:27
-
4M
4.00 mi07:26:4645:5811:3023:04
11:32
+0:05
6M
6.00 mi07:49:481:09:0011:3023:02
11:31
-0:01
8M
8.00 mi08:11:261:30:3811:2021:38
10:49
-0:42
9.6M
9.60 mi08:28:441:47:5611:1517:18
10:49
0:00
10M
10.00 mi08:36:381:55:5011:357:54
19:46
+8:57
10.5M
10.50 mi08:39:141:58:2611:172:36
5:12
-14:34
12M
12.00 mi09:00:122:19:2411:3720:58
13:59
+8:47
Finish
13.11 mi09:12:302:31:4211:3412:18
11:05
-2:54

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

5:12 /mi

Average Pace

11:34 /mi

Slowest Pace

19:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36

2% of race

Time at Steady Pace

2:00:14

79% of race

Time at Slower Pace

28:52

19% of race

Average Pace: 11:34 /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...
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 mi07:03:4222:5411:2722:54
11:27
#5358
4M
4.00 mi07:26:4645:5811:3023:04
11:32
#5141
6M
6.00 mi07:49:481:09:0011:3023:02
11:31
#4901
8M
8.00 mi08:11:261:30:3811:2021:38
10:49
#4380
9.6M
9.60 mi08:28:441:47:5611:1517:18
10:49
#4500
10M
10.00 mi08:36:381:55:5011:357:54
19:46
#4373
10.5M
10.50 mi08:39:141:58:2611:172:36
5:12
#4343
12M
12.00 mi09:00:122:19:2411:3720:58
13:59
#4000
Finish
13.11 mi09:12:302:31:4211:3412:18
11:05
#3999
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 51%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:30

Segment Time

11:40/mi

Pace

0.90 mi

Distance

Overall

3322

Men

2174

Division

365

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi535831795212727(Top 41%)1832(Top 51%)311(Top 53%)
4M4.00 mi2.00 mi5141+2173101+78511+104909(Top 75%)2983(Top 82%)487(Top 84%)
6M6.00 mi2.00 mi4901+2403002+99495+164514(Top 69%)2822(Top 78%)465(Top 80%)
8M8.00 mi2.00 mi4380+5212787+215471+243330(Top 51%)2247(Top 62%)380(Top 65%)
9.6M9.60 mi1.60 mi4500-1202812-25475-44854(Top 74%)2843(Top 79%)470(Top 81%)
10M10.00 mi0.40 mi4373+1272738+74466+93371(Top 51%)2190(Top 61%)368(Top 63%)
10.5M10.50 mi0.50 mi4343+302724+14461+53688(Top 56%)2383(Top 66%)399(Top 69%)
12M12.00 mi1.50 mi4000+3432547+177432+292727(Top 41%)1832(Top 51%)311(Top 53%)
Finish13.11 mi1.11 mi3999+12541+6426+64116(Top 63%)2537(Top 70%)420(Top 72%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 41%
~flat
+5ft-3ft

Overall

2727

Males

1832

M35-39

311

2M→4M

2.0 - 4.0 mi

Top 75%
×4story building
+67ft-69ft

Overall

4909

Males

2983

M35-39

487

4M→6M

4.0 - 6.0 mi

Top 69%
×9story building
+123ft-9ft

Overall

4514

Males

2822

M35-39

465

6M→8M

6.0 - 8.0 mi

Top 51%
×12story building
+166ft-53ft

Overall

3330

Males

2247

M35-39

380

8M→9.6M

8.0 - 9.6 mi

Top 74%
×13story building
+68ft-193ft

Overall

4854

Males

2843

M35-39

470

9.6M→10M

9.6 - 10.0 mi

Top 51%
×2story building
+0ft-24ft

Overall

3371

Males

2190

M35-39

368

10M→10.5M

10.0 - 10.5 mi

Top 56%
×6story building
+1ft-73ft

Overall

3688

Males

2383

M35-39

399

10.5M→12M

10.5 - 12.0 mi

Top 41%
×21story building
+280ft-26ft

Overall

2727

Males

1832

M35-39

311

12M→Finish

12.0 - 13.1 mi

Top 63%
×7story building
+14ft-89ft

Overall

4116

Males

2537

M35-39

420

Passing Analysis

Category:
Athletes Passed
1742*
Passed By
383
Net Change
+1359
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5358
2M → 4M27558+217#5358#5141
4M → 6M280*40+240#5141#4901
6M → 8M532*11+521#4901#4380
8M → 9.6M76196-120#4380#4500
9.6M → 10M13710+127#4500#4373
10M → 10.5M322+30#4373#4343
10.5M → 12M355*12+343#4343#4000
12M → Finish55*54+1#4000#3999
TOTALS1742*383+1359

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

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events