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SF MARATHON 1ST HALF 2026

Guy Sarfaty

Kensington, CA

Bib: 20921 M 32

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 25%
Gender (Male)
#0 / 3619
Top 35%
Division (M30-34)
#0 / 772
Top 37%
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
9:13/mi
18:26
→ flat
4M
8:57/mi
36:19
↑ 67↓ 69
6M
9:06/mi
54:31
↑ 123
8M
9:01/mi
1:12:32
↑ 166↓ 53
9.6M
9:01/mi
1:26:57
↑ 68↓ 193
10M
17:14/mi
1:33:50
↓ 24
10.5M
4:48/mi
1:36:14
↓ 73
12M
13:17/mi
1:56:10
↑ 280
Finish· 13.11 mi
8:57/mi
2:06:06
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
54:319:05 /mi⚡ faster
2nd Half
1:11:3510:04 /mi+31.3%
Positive split — 31.3% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2M
18:269:132.00 mi18:26
9:13
-
4M
36:199:052.00 mi17:53
8:57
-0:16
6M
54:319:052.00 mi18:12
9:06
+0:09
8M
1:12:329:042.00 mi18:01
9:01
-0:05
9.6M
1:26:579:031.60 mi14:25
9:01
0:00
10M
1:33:509:230.40 mi6:53
17:14
+8:13
10.5M
1:36:149:100.50 mi2:24
4:48
-12:26
12M
1:56:109:411.50 mi19:56
13:17
+8:29
Finish(13.11 mi)
2:06:069:371.11 mi9:56
8:57
-4:20
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

4:48 /mi

Average Pace

9:37 /mi

Slowest Pace

17:14 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:24

2% of race

Time at Steady Pace

1:36:53

77% of race

Time at Slower Pace

26:49

21% of race

Average Pace: 9:37 /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 31%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:17

Segment Time

10:19/mi

Pace

0.90 mi

Distance

Overall

2019

Men

1447

Division

321

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi1819135330021671524338
4M2.00 mi1568+2511200+153263+3713551063238
6M2.00 mi1558+101198+2264-115501189262
8M2.00 mi1405+1531111+87246+1812961019220
9.6M1.60 mi1621-2161235-124277-3127581746379
10M0.40 mi1626-51238-3276+119221386308
10.5M0.50 mi1652-261253-15277-125711766384
12M1.50 mi1722-701291-38288-1121671524338
Finish(13.11 mi)1.11 mi1676+461267+24282+616011189264

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 33%
~flat
+5ft-3ft

Overall

2167

Males

1524

M30-34

339

2M→4M

2.0 - 4.0 mi

Top 21%
×4story building
+67ft-69ft

Overall

1355

Males

1063

M30-34

240

4M→6M

4.0 - 6.0 mi

Top 24%
×9story building
+123ft-9ft

Overall

1550

Males

1189

M30-34

263

6M→8M

6.0 - 8.0 mi

Top 20%
×12story building
+166ft-53ft

Overall

1296

Males

1019

M30-34

221

8M→9.6M

8.0 - 9.6 mi

Top 42%
×13story building
+68ft-193ft

Overall

2758

Males

1746

M30-34

380

9.6M→10M

9.6 - 10.0 mi

Top 29%
×2story building
+0ft-24ft

Overall

1922

Males

1386

M30-34

309

10M→10.5M

10.0 - 10.5 mi

Top 39%
×6story building
+1ft-73ft

Overall

2571

Males

1766

M30-34

386

10.5M→12M

10.5 - 12.0 mi

Top 33%
×21story building
+280ft-26ft

Overall

2167

Males

1524

M30-34

339

12M→Finish

12.0 - 13.1 mi

Top 24%
×7story building
+14ft-89ft

Overall

1601

Males

1189

M30-34

264

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#1819
2M → 4M
13264+251
#1819 → #1568
4M → 6M
6070+10
#1568 → #1558
6M → 8M
43196+153
#1558 → #1405
8M → 9.6M
2248-216
#1405 → #1621
9.6M → 10M
3025-5
#1621 → #1626
10M → 10.5M
271-26
#1626 → #1652
10.5M → 12M
10434-70
#1652 → #1722
12M → Finish
1157*+46
#1722 → #1676
TOTALS
512655*+143
#1819 → #1676

* 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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