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SF MARATHON 1ST HALF 2026

Sean Liu

Bib: 13151•M•Age: 38

Burlingame, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 13%
Gender (Male)
#0 / 3619
Top 19%
Division (M35-39)
#0 / 582
Top 20%
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
8:34/mi
17:09
→ flat
4M
8:19/mi
33:47
↑ 67↓ 69
6M
8:30/mi
50:47
↑ 1231.1%
8M
8:02/mi
1:06:52
↑ 166↓ 531.1%
9.6M
8:02/mi
1:19:44
↑ 68↓ 1931.5%
10M
15:49/mi
1:26:03
↓ 241.1%
10.5M
4:14/mi
1:28:10
↓ 732.7%
12M
12:11/mi
1:46:26
↑ 2803.2%
Finish· 13.11 mi
8:36/mi
1:55:58
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time50:47
Pace8:28 /mi
2nd Half
Distance7.11 mi
Time1:05:11
Pace9:10 /mi
📊Positive Split: 28.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:47:3917:098:3417:09
8:34
-
4M
4.00 mi07:04:1733:478:2716:38
8:19
-0:15
6M
6.00 mi07:21:1750:478:2817:00
8:30
+0:11
8M
8.00 mi07:37:221:06:528:2116:05
8:02
-0:28
9.6M
9.60 mi07:50:141:19:448:1812:52
8:02
0:00
10M
10.00 mi07:56:331:26:038:366:19
15:49
+7:47
10.5M
10.50 mi07:58:401:28:108:242:07
4:14
-11:35
12M
12.00 mi08:16:561:46:268:5218:16
12:11
+7:57
Finish
13.11 mi08:26:281:55:588:519:32
8:36
-3:35

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

4:14 /mi

Average Pace

8:51 /mi

Slowest Pace

15:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07

2% of race

Time at Steady Pace

1:29:16

77% of race

Time at Slower Pace

24:35

21% of race

Average Pace: 8:51 /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 mi06:47:3917:098:3417:09
8:34
#990
4M
4.00 mi07:04:1733:478:2716:38
8:19
#824
6M
6.00 mi07:21:1750:478:2817:00
8:30
#823
8M
8.00 mi07:37:221:06:528:2116:05
8:02
#661
9.6M
9.60 mi07:50:141:19:448:1812:52
8:02
#753
10M
10.00 mi07:56:331:26:038:366:19
15:49
#764
10.5M
10.50 mi07:58:401:28:108:242:07
4:14
#767
12M
12.00 mi08:16:561:46:268:5218:16
12:11
#828
Finish
13.11 mi08:26:281:55:588:519:32
8:36
#825
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 16%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:26

Segment Time

9:22/mi

Pace

0.90 mi

Distance

Overall

1055

Men

836

Division

134

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi9907941511353(Top 21%)1007(Top 28%)158(Top 27%)
4M4.00 mi2.00 mi824+166672+122123+28681(Top 10%)566(Top 16%)101(Top 17%)
6M6.00 mi2.00 mi823+1673-1123853(Top 13%)695(Top 19%)131(Top 23%)
8M8.00 mi2.00 mi661+162554+119102+21483(Top 7%)423(Top 12%)74(Top 13%)
9.6M9.60 mi1.60 mi753-92619-65113-111587(Top 24%)1057(Top 29%)178(Top 31%)
10M10.00 mi0.40 mi764-11627-8112+11124(Top 17%)864(Top 24%)135(Top 23%)
10.5M10.50 mi0.50 mi767-3629-21121098(Top 17%)869(Top 24%)143(Top 25%)
12M12.00 mi1.50 mi828-61673-44120-81353(Top 21%)1007(Top 28%)158(Top 27%)
Finish13.11 mi1.11 mi825+3675-2119+11180(Top 18%)918(Top 25%)148(Top 25%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 21%
~flat
+5ft-3ft

Overall

1353

Males

1007

M35-39

158

2M→4M

2.0 - 4.0 mi

Top 10%
×4story building
+67ft-69ft

Overall

681

Males

566

M35-39

101

4M→6M

4.0 - 6.0 mi

Top 13%
×9story building
+123ft-9ft

Overall

853

Males

695

M35-39

131

6M→8M

6.0 - 8.0 mi

Top 7%
×12story building
+166ft-53ft

Overall

483

Males

423

M35-39

74

8M→9.6M

8.0 - 9.6 mi

Top 24%
×13story building
+68ft-193ft

Overall

1587

Males

1057

M35-39

178

9.6M→10M

9.6 - 10.0 mi

Top 17%
×2story building
+0ft-24ft

Overall

1124

Males

864

M35-39

135

10M→10.5M

10.0 - 10.5 mi

Top 17%
×6story building
+1ft-73ft

Overall

1098

Males

869

M35-39

143

10.5M→12M

10.5 - 12.0 mi

Top 21%
×21story building
+280ft-26ft

Overall

1353

Males

1007

M35-39

158

12M→Finish

12.0 - 13.1 mi

Top 18%
×7story building
+14ft-89ft

Overall

1180

Males

918

M35-39

148

Passing Analysis

Category:
Athletes Passed
460*
Passed By
295
Net Change
+165
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#990
2M → 4M17812+166#990#824
4M → 6M4645+1#824#823
6M → 8M1708+162#823#661
8M → 9.6M15107-92#661#753
9.6M → 10M415-11#753#764
10M → 10.5M14-3#764#767
10.5M → 12M2384-61#767#828
12M → Finish23*20+3#828#825
TOTALS460*295+165

* 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