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SF MARATHON 1ST HALF 2026

Alton Zheng

Oakland, CA

Bib: 19531 M 33

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 36%
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
9:05/mi
18:10
→ flat
4M
9:18/mi
36:45
↑ 67↓ 69
6M
9:31/mi
55:47
↑ 123
8M
10:39/mi
1:17:05
↑ 166↓ 53
9.6M
7:14/mi
1:28:40
↑ 68↓ 193
10.26M
11:42/mi
1:36:23
↓ 114
10.5M
9:44/mi
1:38:43
→ flat
12M
12:10/mi
1:56:58
↑ 280
Finish· 13.11 mi
8:06/mi
2:05:57
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
55:479:18 /mi⚡ faster
2nd Half
1:10:109:52 /mi+25.8%
Positive split — 25.8% 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
18:109:052.00 mi18:10
9:05
-
4M
36:459:112.00 mi18:35
9:18
+0:13
6M
55:479:182.00 mi19:02
9:31
+0:13
8M
1:17:059:382.00 mi21:18
10:39
+1:08
9.6M
1:28:409:141.60 mi11:35
7:14
-3:25
10.26M
1:36:239:240.66 mi7:43
11:42
+4:28
10.5M
1:38:439:240.24 mi2:20
9:44
-1:58
12M
1:56:589:451.50 mi18:15
12:10
+2:26
Finish(13.11 mi)
2:05:579:361.11 mi8:59
8:06
-4:04
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:14 /mi

Average Pace

9:36 /mi

Slowest Pace

12:10 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

20:34

16% of race

Time at Steady Pace

58:07

46% of race

Time at Slower Pace

47:16

38% of race

Average Pace: 9:36 /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 44%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:03

Segment Time

11:10/mi

Pace

0.90 mi

Distance

Overall

2875

Men

1930

Division

430

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi1622122127013491004228
4M2.00 mi1726-1041302-81285-1518391371298
6M2.00 mi1840-1141378-76303-1820791510331
8M2.00 mi2150-3101581-203335-3231582155461
9.6M1.60 mi1836+3141371+210306+29847596138
10.26M0.66 mi1923-871418-47315-931142058449
10.5M0.24 mi1925-2141831522751599347
12M1.50 mi1790+1351329+89295+2013491004228
Finish(13.11 mi)1.11 mi1662+1281259+70279+16680562119

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 21%
~flat
+5ft-3ft

Overall

1349

Males

1004

M30-34

229

2M→4M

2.0 - 4.0 mi

Top 28%
×4story building
+67ft-69ft

Overall

1839

Males

1371

M30-34

300

4M→6M

4.0 - 6.0 mi

Top 32%
×9story building
+123ft-9ft

Overall

2079

Males

1510

M30-34

332

6M→8M

6.0 - 8.0 mi

Top 48%
×12story building
+166ft-53ft

Overall

3158

Males

2155

M30-34

463

8M→9.6M

8.0 - 9.6 mi

Top 13%
×13story building
+68ft-193ft

Overall

847

Males

596

M30-34

139

9.6M→10.26M

9.6 - 10.3 mi

Top 47%
×9story building
+0ft-114ft

Overall

3114

Males

2058

M30-34

450

10.26M→10.5M

10.3 - 10.5 mi

Top 35%
~flat
+1ft-0ft

Overall

2275

Males

1599

M30-34

349

10.5M→12M

10.5 - 12.0 mi

Top 21%
×21story building
+280ft-26ft

Overall

1349

Males

1004

M30-34

229

12M→Finish

12.0 - 13.1 mi

Top 10%
×7story building
+14ft-89ft

Overall

680

Males

562

M30-34

119

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#1622
2M → 4M
17167-104
#1622 → #1726
4M → 6M
14935-114
#1726 → #1840
6M → 8M
32919*-310
#1840 → #2150
8M → 9.6M
7321+314
#2150 → #1836
9.6M → 10.26M
969-87
#1836 → #1923
10.26M → 10.5M
75-2
#1923 → #1925
10.5M → 12M
28163+135
#1925 → #1790
12M → Finish
2130*+128
#1790 → #1662
TOTALS
789749*-40
#1622 → #1662

* 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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Race Place Events