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SF MARATHON 1ST HALF 2026

William Zhang

Bib: 19955•M•Age: 20

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
M20-29
#0 / 358
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
10:56/mi
21:53
→ flat
4M
11:01/mi
43:54
↑ 67↓ 69
6M
11:24/mi
1:06:43
↑ 1231.1%
8M
11:08/mi
1:28:59
↑ 166↓ 531.1%
9.6M
11:08/mi
1:46:47
↑ 68↓ 1931.5%
10M
23:39/mi
1:56:14
↓ 241.1%
10.5M
6:38/mi
1:59:33
↓ 732.7%
12M
16:41/mi
2:24:34
↑ 2803.2%
Finish· 13.11 mi
9:34/mi
2:35:11
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:06:43
Pace11:07 /mi
2nd Half
Distance7.11 mi
Time1:28:28
Pace12:27 /mi
📊Positive Split: 32.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:09:3521:5310:5621:53
10:56
-
4M
4.00 mi07:31:3643:5410:5922:01
11:01
+0:05
6M
6.00 mi07:54:251:06:4311:0722:49
11:24
+0:23
8M
8.00 mi08:16:411:28:5911:0722:16
11:08
-0:16
9.6M
9.60 mi08:34:291:46:4711:0717:48
11:08
0:00
10M
10.00 mi08:43:561:56:1411:379:27
23:39
+12:31
10.5M
10.50 mi08:47:151:59:3311:233:19
6:38
-17:01
12M
12.00 mi09:12:162:24:3412:0325:01
16:41
+10:03
Finish
13.11 mi09:22:532:35:1111:5010:37
9:34
-7:07

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

6:38 /mi

Average Pace

11:50 /mi

Slowest Pace

23:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:19

2% of race

Time at Steady Pace

1:57:24

76% of race

Time at Slower Pace

34:28

22% of race

Average Pace: 11:50 /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 mi07:09:3521:5310:5621:53
10:56
#4605
4M
4.00 mi07:31:3643:5410:5922:01
11:01
#4358
6M
6.00 mi07:54:251:06:4311:0722:49
11:24
#4361
8M
8.00 mi08:16:411:28:5911:0722:16
11:08
#4120
9.6M
9.60 mi08:34:291:46:4711:0717:48
11:08
#4318
10M
10.00 mi08:43:561:56:1411:379:27
23:39
#4426
10.5M
10.50 mi08:47:151:59:3311:233:19
6:38
#4499
12M
12.00 mi09:12:162:24:3412:0325:01
16:41
#4548
Finish
13.11 mi09:22:532:35:1111:5010:37
9:34
#4321
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 82%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:46

Segment Time

14:11/mi

Pace

0.90 mi

Distance

Overall

5396

Men

3116

Division

321

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi2.00 mi460528743134662(Top 71%)2791(Top 77%)295(Top 82%)
4M4.00 mi2.00 mi4358+2472753+121306+74204(Top 64%)2671(Top 74%)298(Top 83%)
6M6.00 mi2.00 mi4361-32752+1308-24388(Top 67%)2752(Top 76%)306(Top 85%)
8M8.00 mi2.00 mi4120+2412665+87301+73689(Top 56%)2417(Top 67%)266(Top 74%)
9.6M9.60 mi1.60 mi4318-1982727-62305-45156(Top 78%)2983(Top 82%)318(Top 89%)
10M10.00 mi0.40 mi4426-1082764-37306-15229(Top 80%)3051(Top 84%)313(Top 87%)
10.5M10.50 mi0.50 mi4499-732799-35308-25973(Top 91%)3372(Top 93%)342(Top 96%)
12M12.00 mi1.50 mi4548-492811-12304+44662(Top 71%)2791(Top 77%)295(Top 82%)
Finish13.11 mi1.11 mi4321+2272697+114292+122359(Top 36%)1628(Top 45%)201(Top 56%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 71%
~flat
+5ft-3ft

Overall

4662

Males

2791

M20-24

296

2M→4M

2.0 - 4.0 mi

Top 64%
×4story building
+67ft-69ft

Overall

4204

Males

2671

M20-24

300

4M→6M

4.0 - 6.0 mi

Top 67%
×9story building
+123ft-9ft

Overall

4388

Males

2752

M20-24

309

6M→8M

6.0 - 8.0 mi

Top 56%
×12story building
+166ft-53ft

Overall

3689

Males

2417

M20-24

267

8M→9.6M

8.0 - 9.6 mi

Top 78%
×13story building
+68ft-193ft

Overall

5156

Males

2983

M20-24

319

9.6M→10M

9.6 - 10.0 mi

Top 80%
×2story building
+0ft-24ft

Overall

5229

Males

3051

M20-24

314

10M→10.5M

10.0 - 10.5 mi

Top 91%
×6story building
+1ft-73ft

Overall

5973

Males

3372

M20-24

343

10.5M→12M

10.5 - 12.0 mi

Top 71%
×21story building
+280ft-26ft

Overall

4662

Males

2791

M20-24

296

12M→Finish

12.0 - 13.1 mi

Top 36%
×7story building
+14ft-89ft

Overall

2359

Males

1628

M20-24

201

Passing Analysis

Category:
Athletes Passed
1116*
Passed By
832
Net Change
+284
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4605
2M → 4M31871+247#4605#4358
4M → 6M131*134-3#4358#4361
6M → 8M298*57+241#4361#4120
8M → 9.6M38236-198#4120#4318
9.6M → 10M21129-108#4318#4426
10M → 10.5M275-73#4426#4499
10.5M → 12M80*129-49#4499#4548
12M → Finish228*1+227#4548#4321
TOTALS1116*832+284

* 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