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SF MARATHON 1ST HALF 2026

Hao Zhou

Sunnyvale, CA

Bib: 19218 M 33

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Division (M30-34)
#0 / 772
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
2M
9:56/mi
19:53
→ flat
12 ft elev
4M
11:10/mi
42:13
↑ 67↓ 69
10 ft elev
6M
11:47/mi
1:05:48
↑ 1231.1%
126 ft elev
8M
11:41/mi
1:29:10
↑ 166↓ 531.1%
246 ft elev
9.6M
11:41/mi
1:47:52
↑ 68↓ 1931.5%
126 ft elev
10M
25:24/mi
1:58:01
↓ 241.1%
90 ft elev
10.5M
6:12/mi
2:01:07
↓ 732.7%
18 ft elev
12M
19:27/mi
2:30:17
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
14:26/mi
2:46:18
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:05:48
Pace10:58 /mi
2nd Half
Distance7.11 mi
Time1:40:30
Pace14:08 /mi
📊Positive Split: 52.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:03:0919:539:5619:53
9:56
-
4M
4.00 mi07:25:2942:1310:3322:20
11:10
+1:14
6M
6.00 mi07:49:041:05:4810:5823:35
11:47
+0:37
8M
8.00 mi08:12:261:29:1011:0923:22
11:41
-0:06
9.6M
9.60 mi08:31:081:47:5211:1418:42
11:41
0:00
10M
10.00 mi08:41:171:58:0111:4810:09
25:24
+13:43
10.5M
10.50 mi08:44:232:01:0711:323:06
6:12
-19:12
12M
12.00 mi09:13:332:30:1712:3129:10
19:27
+13:15
Finish
13.11 mi09:29:342:46:1812:4116:01
14:26
-5:01

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

6:12 /mi

Average Pace

12:41 /mi

Slowest Pace

25:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06

2% of race

Time at Steady Pace

1:47:52

65% of race

Time at Slower Pace

55:20

33% of race

Average Pace: 12:41 /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 mi07:03:0919:539:5619:53
9:56
#2942
4M
4.00 mi07:25:2942:1310:3322:20
11:10
#3782
6M
6.00 mi07:49:041:05:4810:5823:35
11:47
#4151
8M
8.00 mi08:12:261:29:1011:0923:22
11:41
#4152
9.6M
9.60 mi08:31:081:47:5211:1418:42
11:41
#4490
10M
10.00 mi08:41:171:58:0111:4810:09
25:24
#4670
10.5M
10.50 mi08:44:232:01:0711:323:06
6:12
#4714
12M
12.00 mi09:13:332:30:1712:3129:10
19:27
#5083
Finish
13.11 mi09:29:342:46:1812:4116:01
14:26
#5224
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 86%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

13:15

Segment Time

14:44/mi

Pace

0.90 mi

Distance

Overall

5653

Men

3239

Division

691

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi2.00 mi294220124246021(Top 92%)3372(Top 93%)713(Top 92%)
4M4.00 mi2.00 mi3782-8402470-458515-914453(Top 68%)2787(Top 77%)585(Top 76%)
6M6.00 mi2.00 mi4151-3692658-188558-434851(Top 74%)2987(Top 83%)639(Top 83%)
8M8.00 mi2.00 mi4152-12676-18561-34254(Top 65%)2716(Top 75%)583(Top 76%)
9.6M9.60 mi1.60 mi4490-3382806-130591-305612(Top 85%)3202(Top 88%)691(Top 90%)
10M10.00 mi0.40 mi4670-1802886-80615-245725(Top 87%)3246(Top 90%)697(Top 90%)
10.5M10.50 mi0.50 mi4714-442910-24622-75596(Top 85%)3220(Top 89%)680(Top 88%)
12M12.00 mi1.50 mi5083-3693057-147660-386021(Top 92%)3372(Top 93%)713(Top 92%)
Finish13.11 mi1.11 mi5224-1413105-48671-116083(Top 93%)3394(Top 94%)726(Top 94%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 92%
~flat
+5ft-3ft

Overall

6021

Males

3372

M30-34

715

2M→4M

2.0 - 4.0 mi

Top 68%
×4story building
+67ft-69ft

Overall

4453

Males

2787

M30-34

588

4M→6M

4.0 - 6.0 mi

Top 74%
×9story building
+123ft-9ft

Overall

4851

Males

2987

M30-34

641

6M→8M

6.0 - 8.0 mi

Top 65%
×12story building
+166ft-53ft

Overall

4254

Males

2716

M30-34

585

8M→9.6M

8.0 - 9.6 mi

Top 85%
×13story building
+68ft-193ft

Overall

5612

Males

3202

M30-34

693

9.6M→10M

9.6 - 10.0 mi

Top 87%
×2story building
+0ft-24ft

Overall

5725

Males

3246

M30-34

699

10M→10.5M

10.0 - 10.5 mi

Top 85%
×6story building
+1ft-73ft

Overall

5596

Males

3220

M30-34

682

10.5M→12M

10.5 - 12.0 mi

Top 92%
×21story building
+280ft-26ft

Overall

6021

Males

3372

M30-34

715

12M→Finish

12.0 - 13.1 mi

Top 93%
×7story building
+14ft-89ft

Overall

6083

Males

3394

M30-34

726

Passing Analysis

Category:
Athletes Passed
288*
Passed By
2570
Net Change
-2282
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2942
2M → 4M18858-840#2942#3782
4M → 6M34*403-369#3782#4151
6M → 8M158*159-1#4151#4152
8M → 9.6M11349-338#4152#4490
9.6M → 10M15195-180#4490#4670
10M → 10.5M549-44#4670#4714
10.5M → 12M16*385-369#4714#5083
12M → Finish31*172-141#5083#5224
TOTALS288*2570-2282

* 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