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SF MARATHON 1ST HALF 2026

Xin Gao

Bib: 12408•M•Age: 39

FREMONT, 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
11:47/mi
23:34
→ flat
4M
12:26/mi
48:25
↑ 67↓ 69
6M
12:42/mi
1:13:50
↑ 1231.1%
8M
12:19/mi
1:38:28
↑ 166↓ 531.1%
9.6M
12:19/mi
1:58:11
↑ 68↓ 1931.5%
10M
22:02/mi
2:06:59
↓ 241.1%
10.5M
5:50/mi
2:09:54
↓ 732.7%
12M
19:29/mi
2:39:07
↑ 2803.2%
Finish· 13.11 mi
12:52/mi
2:53:23
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:13:50
Pace12:18 /mi
2nd Half
Distance7.11 mi
Time1:39:33
Pace14:00 /mi
📊Positive Split: 34.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:58:5623:3411:4723:34
11:47
-
4M
4.00 mi07:23:4748:2512:0624:51
12:26
+0:39
6M
6.00 mi07:49:121:13:5012:1825:25
12:42
+0:16
8M
8.00 mi08:13:501:38:2812:1924:38
12:19
-0:23
9.6M
9.60 mi08:33:331:58:1112:1919:43
12:19
0:00
10M
10.00 mi08:42:212:06:5912:428:48
22:02
+9:43
10.5M
10.50 mi08:45:162:09:5412:222:55
5:50
-16:12
12M
12.00 mi09:14:292:39:0713:1629:13
19:29
+13:39
Finish
13.11 mi09:28:452:53:2313:1414:16
12:52
-6:37

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

5:50 /mi

Average Pace

13:14 /mi

Slowest Pace

22:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55

2% of race

Time at Steady Pace

2:12:27

76% of race

Time at Slower Pace

38:01

22% of race

Average Pace: 13:14 /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 mi06:58:5623:3411:4723:34
11:47
#5682
4M
4.00 mi07:23:4748:2512:0624:51
12:26
#5762
6M
6.00 mi07:49:121:13:5012:1825:25
12:42
#5740
8M
8.00 mi08:13:501:38:2812:1924:38
12:19
#5530
9.6M
9.60 mi08:33:331:58:1112:1919:43
12:19
#5681
10M
10.00 mi08:42:212:06:5912:428:48
22:02
#5617
10.5M
10.50 mi08:45:162:09:5412:222:55
5:50
#5595
12M
12.00 mi09:14:292:39:0713:1629:13
19:29
#5771
Finish
13.11 mi09:28:452:53:2313:1414:16
12:52
#5747
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 70%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:43

Segment Time

13:01/mi

Pace

0.90 mi

Distance

Overall

4596

Men

2764

Division

459

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi568233075386027(Top 92%)3374(Top 93%)549(Top 94%)
4M4.00 mi2.00 mi5762-803350-43544-65794(Top 88%)3338(Top 92%)542(Top 93%)
6M6.00 mi2.00 mi5740+223345+5541+35667(Top 86%)3309(Top 91%)534(Top 92%)
8M8.00 mi2.00 mi5530+2103274+71537+44881(Top 74%)3019(Top 83%)505(Top 87%)
9.6M9.60 mi1.60 mi5681-1513324-505376007(Top 91%)3387(Top 94%)551(Top 95%)
10M10.00 mi0.40 mi5617+643293+31534+34567(Top 69%)2752(Top 76%)454(Top 78%)
10.5M10.50 mi0.50 mi5595+223285+85345102(Top 78%)3012(Top 83%)499(Top 86%)
12M12.00 mi1.50 mi5771-1763337-52544-106027(Top 92%)3374(Top 93%)549(Top 94%)
Finish13.11 mi1.11 mi5747+243323+14541+35495(Top 84%)3125(Top 86%)512(Top 88%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 92%
~flat
+5ft-3ft

Overall

6027

Males

3374

M35-39

549

2M→4M

2.0 - 4.0 mi

Top 88%
×4story building
+67ft-69ft

Overall

5794

Males

3338

M35-39

542

4M→6M

4.0 - 6.0 mi

Top 86%
×9story building
+123ft-9ft

Overall

5667

Males

3309

M35-39

534

6M→8M

6.0 - 8.0 mi

Top 74%
×12story building
+166ft-53ft

Overall

4881

Males

3019

M35-39

505

8M→9.6M

8.0 - 9.6 mi

Top 91%
×13story building
+68ft-193ft

Overall

6007

Males

3387

M35-39

551

9.6M→10M

9.6 - 10.0 mi

Top 69%
×2story building
+0ft-24ft

Overall

4567

Males

2752

M35-39

454

10M→10.5M

10.0 - 10.5 mi

Top 78%
×6story building
+1ft-73ft

Overall

5102

Males

3012

M35-39

499

10.5M→12M

10.5 - 12.0 mi

Top 92%
×21story building
+280ft-26ft

Overall

6027

Males

3374

M35-39

549

12M→Finish

12.0 - 13.1 mi

Top 84%
×7story building
+14ft-89ft

Overall

5495

Males

3125

M35-39

512

Passing Analysis

Category:
Athletes Passed
640*
Passed By
705
Net Change
-65
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5682
2M → 4M89*169-80#5682#5762
4M → 6M107*85+22#5762#5740
6M → 8M249*39+210#5740#5530
8M → 9.6M29180-151#5530#5681
9.6M → 10M7814+64#5681#5617
10M → 10.5M231+22#5617#5595
10.5M → 12M18*194-176#5595#5771
12M → Finish47*23+24#5771#5747
TOTALS640*705-65

* 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