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SF MARATHON 1ST HALF 2026

Jason Liao

San Francisco, CA

Bib: 15243 M 27

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 11%
Gender (Male)
#0 / 3619
Top 16%
Division (M25-29)
#0 / 796
Top 17%
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
8:08/mi
16:16
→ flat
12 ft elev
4M
8:08/mi
32:31
↑ 67↓ 69
10 ft elev
6M
8:32/mi
49:36
↑ 1231.1%
126 ft elev
8M
9:50/mi
1:09:17
↑ 166↓ 531.1%
246 ft elev
9.6M
6:40/mi
1:19:57
↑ 68↓ 1931.5%
126 ft elev
10M
14:56/mi
1:25:55
↓ 241.1%
90 ft elev
10.5M
4:08/mi
1:27:59
↓ 732.7%
18 ft elev
12M
11:29/mi
1:45:12
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
8:02/mi
1:54:07
↑ 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
49:368:16 /mi⚡ faster
2nd Half
1:04:319:05 /mi+30.1%
Positive split — 30.1% 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
16:168:082.00 mi16:16
8:08
-
4M
32:318:082.00 mi16:15
8:08
0:00
6M
49:368:162.00 mi17:05
8:32
+0:24
8M
1:09:178:402.00 mi19:41
9:50
+1:18
9.6M
1:19:578:201.60 mi10:40
6:40
-3:10
10M
1:25:558:360.40 mi5:58
14:56
+8:16
10.5M
1:27:598:230.50 mi2:04
4:08
-10:48
12M
1:45:128:461.50 mi17:13
11:29
+7:21
Finish(13.11 mi)
1:54:078:421.11 mi8:55
8:02
-3:27
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

4:08 /mi

Average Pace

8:42 /mi

Slowest Pace

14:56 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

12:44

11% of race

Time at Steady Pace

58:31

51% of race

Time at Slower Pace

42:52

38% of race

Average Pace: 8:42 /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 10%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:02

Segment Time

8:56/mi

Pace

0.90 mi

Distance

Overall

659

Men

539

Division

134

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi591498112890704161
4M2.00 mi542+49459+39103+951343398
6M2.00 mi637-95528-69125-22887721179
8M2.00 mi939-302771-243187-6222021616382
9.6M1.60 mi772+167632+139150+3744834378
10M0.40 mi757+15620+12148+2688545133
10.5M0.50 mi750+7616+4148858692161
12M1.50 mi745+5607+9145+3890704161
Finish(13.11 mi)1.11 mi699+46579+28138+7623515136

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 14%
~flat
+5ft-3ft

Overall

890

Males

704

M25-29

161

2M→4M

2.0 - 4.0 mi

Top 8%
×4story building
+67ft-69ft

Overall

513

Males

433

M25-29

98

4M→6M

4.0 - 6.0 mi

Top 13%
×9story building
+123ft-9ft

Overall

887

Males

721

M25-29

179

6M→8M

6.0 - 8.0 mi

Top 33%
×12story building
+166ft-53ft

Overall

2202

Males

1616

M25-29

383

8M→9.6M

8.0 - 9.6 mi

Top 7%
×13story building
+68ft-193ft

Overall

448

Males

343

M25-29

78

9.6M→10M

9.6 - 10.0 mi

Top 10%
×2story building
+0ft-24ft

Overall

688

Males

545

M25-29

134

10M→10.5M

10.0 - 10.5 mi

Top 13%
×6story building
+1ft-73ft

Overall

858

Males

692

M25-29

162

10.5M→12M

10.5 - 12.0 mi

Top 14%
×21story building
+280ft-26ft

Overall

890

Males

704

M25-29

161

12M→Finish

12.0 - 13.1 mi

Top 9%
×7story building
+14ft-89ft

Overall

623

Males

515

M25-29

136

Passing Analysis

Category:
Passed
376*
Passed By
484
Net Change
-108
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#591
2M → 4M7425+49#591#542
4M → 6M7102-95#542#637
6M → 8M5307-302#637#939
8M → 9.6M18114+167#939#772
9.6M → 10M172+15#772#757
10M → 10.5M70+7#757#750
10.5M → 12M3429+5#750#745
12M → Finish51*5+46#745#699
TOTALS376*484-108

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

Passing Charts

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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Race Place Events