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SF MARATHON 1ST HALF 2026

Chen Lin

Menlo Park, CA

Bib: 20165 M 28

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 35%
Gender (Male)
#0 / 3619
Top 45%
Division (M25-29)
#0 / 796
Top 49%
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
9:58/mi
19:57
→ flat
12 ft elev
4M
9:48/mi
39:32
↑ 67↓ 69
10 ft elev
6M
9:42/mi
58:57
↑ 1231.1%
126 ft elev
8M
9:37/mi
1:18:11
↑ 166↓ 531.1%
246 ft elev
9.6M
9:37/mi
1:33:34
↑ 68↓ 1931.5%
126 ft elev
10M
18:01/mi
1:40:46
↓ 241.1%
90 ft elev
10.5M
4:06/mi
1:42:49
↓ 732.7%
18 ft elev
12M
12:49/mi
2:02:02
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
9:37/mi
2:12:42
↑ 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
58:579:50 /mi⚡ faster
2nd Half
1:13:4510:22 /mi+25.1%
Positive split — 25.1% 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
19:579:582.00 mi19:57
9:58
-
4M
39:329:532.00 mi19:35
9:48
-0:10
6M
58:579:502.00 mi19:25
9:42
-0:06
8M
1:18:119:462.00 mi19:14
9:37
-0:05
9.6M
1:33:349:451.60 mi15:23
9:37
0:00
10M
1:40:4610:050.40 mi7:12
18:01
+8:24
10.5M
1:42:499:480.50 mi2:03
4:06
-13:55
12M
2:02:0210:101.50 mi19:13
12:49
+8:43
Finish(13.11 mi)
2:12:4210:071.11 mi10:40
9:37
-3:12
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

4:06 /mi

Average Pace

10:07 /mi

Slowest Pace

18:01 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:03

2% of race

Time at Steady Pace

1:44:14

79% of race

Time at Slower Pace

26:25

20% of race

Average Pace: 10:07 /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 30%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:15

Segment Time

10:17/mi

Pace

0.90 mi

Distance

Overall

1989

Men

1427

Division

347

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2997204146617951294309
4M2.00 mi2676+3211861+180433+3325161774423
6M2.00 mi2513+1631779+82423+1022971641389
8M2.00 mi2322+1911687+92400+2319071436345
9.6M1.60 mi2477-1551747-60417-1735112155524
10M0.40 mi2453+241731+16414+323941664400
10.5M0.50 mi2413+401704+27410+4851686160
12M1.50 mi2288+1251622+82393+1717951294309
Finish(13.11 mi)1.11 mi2272+161616+6390+324021650391

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 27%
~flat
+5ft-3ft

Overall

1795

Males

1294

M25-29

310

2M→4M

2.0 - 4.0 mi

Top 38%
×4story building
+67ft-69ft

Overall

2516

Males

1774

M25-29

423

4M→6M

4.0 - 6.0 mi

Top 35%
×9story building
+123ft-9ft

Overall

2297

Males

1641

M25-29

390

6M→8M

6.0 - 8.0 mi

Top 29%
×12story building
+166ft-53ft

Overall

1907

Males

1436

M25-29

346

8M→9.6M

8.0 - 9.6 mi

Top 53%
×13story building
+68ft-193ft

Overall

3511

Males

2155

M25-29

525

9.6M→10M

9.6 - 10.0 mi

Top 36%
×2story building
+0ft-24ft

Overall

2394

Males

1664

M25-29

401

10M→10.5M

10.0 - 10.5 mi

Top 13%
×6story building
+1ft-73ft

Overall

851

Males

686

M25-29

161

10.5M→12M

10.5 - 12.0 mi

Top 27%
×21story building
+280ft-26ft

Overall

1795

Males

1294

M25-29

310

12M→Finish

12.0 - 13.1 mi

Top 37%
×7story building
+14ft-89ft

Overall

2402

Males

1650

M25-29

391

Passing Analysis

Category:
Passed
1094*
Passed By
369
Net Change
+725
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2997
2M → 4M35837+321#2997#2676
4M → 6M18623+163#2676#2513
6M → 8M228*37+191#2513#2322
8M → 9.6M39194-155#2322#2477
9.6M → 10M4521+24#2477#2453
10M → 10.5M411+40#2453#2413
10.5M → 12M15530+125#2413#2288
12M → Finish42*26+16#2288#2272
TOTALS1094*369+725

* 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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