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SF MARATHON 1ST HALF 2026

Alvin Liu

Bib: 13448•M•Age: 23

Saratoga, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 14%
Gender (Male)
#0 / 3619
Top 20%
M20-29
#0 / 358
Top 26%
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
8:22/mi
16:44
→ flat
4M
8:39/mi
34:02
↑ 67↓ 69
6M
8:38/mi
51:19
↑ 1231.1%
8M
8:17/mi
1:07:53
↑ 166↓ 531.1%
9.6M
8:17/mi
1:21:08
↑ 68↓ 1931.5%
10M
15:51/mi
1:27:28
↓ 241.1%
10.5M
4:10/mi
1:29:33
↓ 732.7%
12M
12:13/mi
1:47:53
↑ 2803.2%
Finish· 13.11 mi
8:19/mi
1:57:06
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time51:19
Pace8:33 /mi
2nd Half
Distance7.11 mi
Time1:05:47
Pace9:15 /mi
📊Positive Split: 28.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:49:2516:448:2216:44
8:22
-
4M
4.00 mi07:06:4334:028:3117:18
8:39
+0:17
6M
6.00 mi07:24:0051:198:3317:17
8:38
-0:01
8M
8.00 mi07:40:341:07:538:2916:34
8:17
-0:21
9.6M
9.60 mi07:53:491:21:088:2713:15
8:17
0:00
10M
10.00 mi08:00:091:27:288:456:20
15:51
+7:34
10.5M
10.50 mi08:02:141:29:338:322:05
4:10
-11:41
12M
12.00 mi08:20:341:47:538:5918:20
12:13
+8:03
Finish
13.11 mi08:29:471:57:068:569:13
8:19
-3:54

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

4:10 /mi

Average Pace

8:56 /mi

Slowest Pace

15:51 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05

2% of race

Time at Steady Pace

1:30:21

77% of race

Time at Slower Pace

24:40

21% of race

Average Pace: 8:56 /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 mi06:49:2516:448:2216:44
8:22
#794
4M
4.00 mi07:06:4334:028:3117:18
8:39
#880
6M
6.00 mi07:24:0051:198:3317:17
8:38
#905
8M
8.00 mi07:40:341:07:538:2916:34
8:17
#772
9.6M
9.60 mi07:53:491:21:088:2713:15
8:17
#887
10M
10.00 mi08:00:091:27:288:456:20
15:51
#892
10.5M
10.50 mi08:02:141:29:338:322:05
4:10
#884
12M
12.00 mi08:20:341:47:538:5918:20
12:13
#929
Finish
13.11 mi08:29:471:57:068:569:13
8:19
#895
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

8:25

Segment Time

9:21/mi

Pace

0.90 mi

Distance

Overall

1043

Men

824

Division

109

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi2.00 mi794653751385(Top 21%)1024(Top 28%)136(Top 38%)
4M4.00 mi2.00 mi880-86716-6387-12998(Top 15%)805(Top 22%)99(Top 28%)
6M6.00 mi2.00 mi905-25737-2188-1976(Top 15%)787(Top 22%)98(Top 27%)
8M8.00 mi2.00 mi772+133640+9771+17638(Top 10%)552(Top 15%)61(Top 17%)
9.6M9.60 mi1.60 mi887-115722-8285-141848(Top 28%)1224(Top 34%)156(Top 44%)
10M10.00 mi0.40 mi892-5723-186-11149(Top 17%)883(Top 24%)112(Top 31%)
10.5M10.50 mi0.50 mi884+8719+485+1957(Top 15%)769(Top 21%)99(Top 28%)
12M12.00 mi1.50 mi929-45750-3192-71385(Top 21%)1024(Top 28%)136(Top 38%)
Finish13.11 mi1.11 mi895+34730+2092874(Top 13%)704(Top 19%)101(Top 28%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 21%
~flat
+5ft-3ft

Overall

1385

Males

1024

M20-24

137

2M→4M

2.0 - 4.0 mi

Top 15%
×4story building
+67ft-69ft

Overall

998

Males

805

M20-24

100

4M→6M

4.0 - 6.0 mi

Top 15%
×9story building
+123ft-9ft

Overall

976

Males

787

M20-24

99

6M→8M

6.0 - 8.0 mi

Top 10%
×12story building
+166ft-53ft

Overall

638

Males

552

M20-24

62

8M→9.6M

8.0 - 9.6 mi

Top 28%
×13story building
+68ft-193ft

Overall

1848

Males

1224

M20-24

157

9.6M→10M

9.6 - 10.0 mi

Top 17%
×2story building
+0ft-24ft

Overall

1149

Males

883

M20-24

113

10M→10.5M

10.0 - 10.5 mi

Top 15%
×6story building
+1ft-73ft

Overall

957

Males

769

M20-24

99

10.5M→12M

10.5 - 12.0 mi

Top 21%
×21story building
+280ft-26ft

Overall

1385

Males

1024

M20-24

137

12M→Finish

12.0 - 13.1 mi

Top 13%
×7story building
+14ft-89ft

Overall

874

Males

704

M20-24

101

Passing Analysis

Category:
Athletes Passed
317*
Passed By
418
Net Change
-101
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#794
2M → 4M29115-86#794#880
4M → 6M3358-25#880#905
6M → 8M15623+133#905#772
8M → 9.6M7122-115#772#887
9.6M → 10M1520-5#887#892
10M → 10.5M80+8#892#884
10.5M → 12M2671-45#884#929
12M → Finish43*9+34#929#895
TOTALS317*418-101

* 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