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SF MARATHON 1ST HALF 2026

Wei-Lun Shih

Sunnyvale, CA

Bib: 12561 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
9:17/mi
18:34
→ flat
12 ft elev
4M
9:16/mi
37:06
↑ 67↓ 69
10 ft elev
6M
9:08/mi
55:23
↑ 1231.1%
126 ft elev
8M
10:11/mi
1:15:45
↑ 166↓ 531.1%
246 ft elev
9.6M
8:31/mi
1:29:23
↑ 68↓ 1931.5%
126 ft elev
10M
20:46/mi
1:37:41
↓ 241.1%
90 ft elev
10.5M
7:36/mi
1:41:29
↓ 732.7%
18 ft elev
12M
26:31/mi
2:21:16
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
11:33/mi
2:34:05
↑ 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
55:239:14 /mi⚡ faster
2nd Half
1:38:4213:53 /mi+78.2%
Positive split — 78.2% 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
18:349:172.00 mi18:34
9:17
-
4M
37:069:172.00 mi18:32
9:16
-0:01
6M
55:239:142.00 mi18:17
9:08
-0:08
8M
1:15:459:282.00 mi20:22
10:11
+1:03
9.6M
1:29:239:191.60 mi13:38
8:31
-1:40
10M
1:37:419:460.40 mi8:18
20:46
+12:15
10.5M
1:41:299:400.50 mi3:48
7:36
-13:10
12M
2:21:1611:461.50 mi39:47
26:31
+18:55
Finish(13.11 mi)
2:34:0511:451.11 mi12:49
11:33
-14:58
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:36 /mi

Average Pace

11:45 /mi

Slowest Pace

26:31 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

1:46:00

69% of race

Time at Slower Pace

48:05

31% of race

Average Pace: 11:45 /mi

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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 75%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:06

Segment Time

13:27/mi

Pace

0.90 mi

Distance

Overall

4913

Men

2921

Division

657

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi1918141334365693612790
4M2.00 mi1862+561392+21340+318031353319
6M2.00 mi1755+1071325+67322+1816101223295
8M2.00 mi1955-2001458-133350-2826011861434
9.6M1.60 mi1924+311426+32338+1221581420346
10M0.40 mi2086-1621520-94362-2439082456571
10.5M0.50 mi2257-1711608-88386-2463453512774
12M1.50 mi4204-19472640-1032613-22765693612790
Finish(13.11 mi)1.11 mi4217-132642-2611+245602726630

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 100%
~flat
+5ft-3ft

Overall

6569

Males

3612

M25-29

791

2M→4M

2.0 - 4.0 mi

Top 27%
×4story building
+67ft-69ft

Overall

1803

Males

1353

M25-29

319

4M→6M

4.0 - 6.0 mi

Top 24%
×9story building
+123ft-9ft

Overall

1610

Males

1223

M25-29

295

6M→8M

6.0 - 8.0 mi

Top 40%
×12story building
+166ft-53ft

Overall

2601

Males

1861

M25-29

435

8M→9.6M

8.0 - 9.6 mi

Top 33%
×13story building
+68ft-193ft

Overall

2158

Males

1420

M25-29

346

9.6M→10M

9.6 - 10.0 mi

Top 59%
×2story building
+0ft-24ft

Overall

3908

Males

2456

M25-29

572

10M→10.5M

10.0 - 10.5 mi

Top 97%
×6story building
+1ft-73ft

Overall

6345

Males

3512

M25-29

775

10.5M→12M

10.5 - 12.0 mi

Top 100%
×21story building
+280ft-26ft

Overall

6569

Males

3612

M25-29

791

12M→Finish

12.0 - 13.1 mi

Top 69%
×7story building
+14ft-89ft

Overall

4560

Males

2726

M25-29

630

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#1918
2M → 4M
67123+56
#1918 → #1862
4M → 6M
29136+107
#1862 → #1755
6M → 8M
24646*-200
#1755 → #1955
8M → 9.6M
86117+31
#1955 → #1924
9.6M → 10M
1675-162
#1924 → #2086
10M → 10.5M
1710-171
#2086 → #2257
10.5M → 12M
19470-1947
#2257 → #4204
12M → Finish
6855*-13
#4204 → #4217
TOTALS
2781482*-2299
#1918 → #4217

* 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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