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SF MARATHON 1ST HALF 2026

Sam Jin Zhao

Bib: 16242•M•Age: 23

Fremont, 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
10:40/mi
21:20
→ flat
4M
10:47/mi
42:54
↑ 67↓ 69
6M
11:19/mi
1:05:32
↑ 1231.1%
8M
11:04/mi
1:27:40
↑ 166↓ 531.1%
9.6M
11:04/mi
1:45:23
↑ 68↓ 1931.5%
10M
21:44/mi
1:54:04
↓ 241.1%
10.5M
4:54/mi
1:56:31
↓ 732.7%
12M
16:45/mi
2:21:39
↑ 2803.2%
Finish· 13.11 mi
12:14/mi
2:35:13
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:05:32
Pace10:55 /mi
2nd Half
Distance7.11 mi
Time1:29:41
Pace12:37 /mi
📊Positive Split: 36.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:01:3221:2010:4021:20
10:40
-
4M
4.00 mi07:23:0642:5410:4421:34
10:47
+0:07
6M
6.00 mi07:45:441:05:3210:5522:38
11:19
+0:32
8M
8.00 mi08:07:521:27:4010:5822:08
11:04
-0:15
9.6M
9.60 mi08:25:351:45:2310:5917:43
11:04
0:00
10M
10.00 mi08:34:161:54:0411:248:41
21:44
+10:40
10.5M
10.50 mi08:36:431:56:3111:062:27
4:54
-16:50
12M
12.00 mi09:01:512:21:3911:4825:08
16:45
+11:51
Finish
13.11 mi09:15:252:35:1311:5013:34
12:14
-4:31

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

4:54 /mi

Average Pace

11:50 /mi

Slowest Pace

21:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27

2% of race

Time at Steady Pace

1:58:57

77% of race

Time at Slower Pace

33:49

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 mi07:01:3221:2010:4021:20
10:40
#4184
4M
4.00 mi07:23:0642:5410:4421:34
10:47
#4037
6M
6.00 mi07:45:441:05:3210:5522:38
11:19
#4090
8M
8.00 mi08:07:521:27:4010:5822:08
11:04
#3903
9.6M
9.60 mi08:25:351:45:2310:5917:43
11:04
#4122
10M
10.00 mi08:34:161:54:0411:248:41
21:44
#4122
10.5M
10.50 mi08:36:431:56:3111:062:27
4:54
#4083
12M
12.00 mi09:01:512:21:3911:4825:08
16:45
#4244
Finish
13.11 mi09:15:252:35:1311:5013:34
12:14
#4325
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 61%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:08

Segment Time

12:22/mi

Pace

0.90 mi

Distance

Overall

4036

Men

2526

Division

265

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi2.00 mi418426732964708(Top 72%)2811(Top 78%)298(Top 83%)
4M4.00 mi2.00 mi4037+1472603+702963945(Top 60%)2554(Top 71%)291(Top 81%)
6M6.00 mi2.00 mi4090-532630-272964260(Top 65%)2698(Top 75%)302(Top 84%)
8M8.00 mi2.00 mi3903+1872543+87285+113615(Top 55%)2379(Top 66%)262(Top 73%)
9.6M9.60 mi1.60 mi4122-2192635-92298-135100(Top 78%)2958(Top 82%)316(Top 88%)
10M10.00 mi0.40 mi41222628+7294+44422(Top 67%)2687(Top 74%)282(Top 79%)
10.5M10.50 mi0.50 mi4083+392604+24290+42913(Top 44%)1956(Top 54%)225(Top 63%)
12M12.00 mi1.50 mi4244-1612657-53292-24708(Top 72%)2811(Top 78%)298(Top 83%)
Finish13.11 mi1.11 mi4325-812699-42293-15076(Top 77%)2936(Top 81%)319(Top 89%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 72%
~flat
+5ft-3ft

Overall

4708

Males

2811

M20-24

299

2M→4M

2.0 - 4.0 mi

Top 60%
×4story building
+67ft-69ft

Overall

3945

Males

2554

M20-24

293

4M→6M

4.0 - 6.0 mi

Top 65%
×9story building
+123ft-9ft

Overall

4260

Males

2698

M20-24

305

6M→8M

6.0 - 8.0 mi

Top 55%
×12story building
+166ft-53ft

Overall

3615

Males

2379

M20-24

263

8M→9.6M

8.0 - 9.6 mi

Top 78%
×13story building
+68ft-193ft

Overall

5100

Males

2958

M20-24

317

9.6M→10M

9.6 - 10.0 mi

Top 67%
×2story building
+0ft-24ft

Overall

4422

Males

2687

M20-24

283

10M→10.5M

10.0 - 10.5 mi

Top 44%
×6story building
+1ft-73ft

Overall

2913

Males

1956

M20-24

226

10.5M→12M

10.5 - 12.0 mi

Top 72%
×21story building
+280ft-26ft

Overall

4708

Males

2811

M20-24

299

12M→Finish

12.0 - 13.1 mi

Top 77%
×7story building
+14ft-89ft

Overall

5076

Males

2936

M20-24

319

Passing Analysis

Category:
Athletes Passed
808*
Passed By
949
Net Change
-141
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4184
2M → 4M253106+147#4184#4037
4M → 6M109*162-53#4037#4090
6M → 8M255*68+187#4090#3903
8M → 9.6M21240-219#3903#4122
9.6M → 10M49490#4122#4122
10M → 10.5M401+39#4122#4083
10.5M → 12M42*203-161#4083#4244
12M → Finish39*120-81#4244#4325
TOTALS808*949-141

* 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