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SF MARATHON 1ST HALF 2026

Pei Liang Guo

Cupertino, CA

Bib: 16792 M 28

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Division (M25-29)
#0 / 796
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
9:32/mi
19:04
→ flat
12 ft elev
4M
9:57/mi
38:57
↑ 67↓ 69
10 ft elev
6M
10:21/mi
59:40
↑ 1231.1%
126 ft elev
8M
11:01/mi
1:21:42
↑ 166↓ 531.1%
246 ft elev
9.6M
11:01/mi
1:39:20
↑ 68↓ 1931.5%
126 ft elev
10M
21:49/mi
1:48:03
↓ 241.1%
90 ft elev
10.5M
5:46/mi
1:50:56
↓ 732.7%
18 ft elev
12M
16:35/mi
2:15:49
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
11:50/mi
2:28:57
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
59:409:57 /mi⚡ faster
2nd Half
1:29:1712:34 /mi+49.6%
Positive split — 49.6% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2M
19:049:322.00 mi19:04
9:32
-
4M
38:579:442.00 mi19:53
9:57
+0:25
6M
59:409:572.00 mi20:43
10:21
+0:24
8M
1:21:4210:132.00 mi22:02
11:01
+0:40
9.6M
1:39:2010:211.60 mi17:38
11:01
0:00
10M
1:48:0310:480.40 mi8:43
21:49
+10:48
10.5M
1:50:5610:340.50 mi2:53
5:46
-16:03
12M
2:15:4911:191.50 mi24:53
16:35
+10:49
Finish(13.11 mi)
2:28:5711:221.11 mi13:08
11:50
-4:45
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

5:46 /mi

Average Pace

11:22 /mi

Slowest Pace

21:49 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:53

2% of race

Time at Steady Pace

1:52:28

76% of race

Time at Slower Pace

33:36

23% of race

Average Pace: 11:22 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower
Featured Segment

Garmin Challenge

Top 68%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:36

Segment Time

12:54/mi

Pace

0.90 mi

Distance

Overall

4474

Men

2708

Division

614

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2316165439245942758624
4M2.00 mi2487-1711756-102412-2027071879441
6M2.00 mi2684-1971870-114440-2831042114507
8M2.00 mi2940-2562036-166480-4035592354543
9.6M1.60 mi3295-3552218-182528-4850502935676
10M0.40 mi3385-902258-40532-444582704615
10.5M0.50 mi3423-382277-19535-349492948668
12M1.50 mi3657-2342388-111558-2345942758624
Finish(13.11 mi)1.11 mi3747-902432-44573-1547932822640

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 70%
~flat
+5ft-3ft

Overall

4594

Males

2758

M25-29

625

2M→4M

2.0 - 4.0 mi

Top 41%
×4story building
+67ft-69ft

Overall

2707

Males

1879

M25-29

442

4M→6M

4.0 - 6.0 mi

Top 47%
×9story building
+123ft-9ft

Overall

3104

Males

2114

M25-29

508

6M→8M

6.0 - 8.0 mi

Top 54%
×12story building
+166ft-53ft

Overall

3559

Males

2354

M25-29

544

8M→9.6M

8.0 - 9.6 mi

Top 77%
×13story building
+68ft-193ft

Overall

5050

Males

2935

M25-29

677

9.6M→10M

9.6 - 10.0 mi

Top 68%
×2story building
+0ft-24ft

Overall

4458

Males

2704

M25-29

616

10M→10.5M

10.0 - 10.5 mi

Top 75%
×6story building
+1ft-73ft

Overall

4949

Males

2948

M25-29

669

10.5M→12M

10.5 - 12.0 mi

Top 70%
×21story building
+280ft-26ft

Overall

4594

Males

2758

M25-29

625

12M→Finish

12.0 - 13.1 mi

Top 73%
×7story building
+14ft-89ft

Overall

4793

Males

2822

M25-29

640

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#2316
2M → 4M
24069-171
#2316 → #2487
4M → 6M
22730-197
#2487 → #2684
6M → 8M
30953*-256
#2684 → #2940
8M → 9.6M
3583-355
#2940 → #3295
9.6M → 10M
10818-90
#3295 → #3385
10M → 10.5M
391-38
#3385 → #3423
10.5M → 12M
26127-234
#3423 → #3657
12M → Finish
12030*-90
#3657 → #3747
TOTALS
1662231*-1431
#2316 → #3747

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Visualized

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

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