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SF MARATHON 1ST HALF 2026

Cheng-Han Chuang

SF, CA

Bib: 15787 M 23

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 41%
Gender (Male)
#0 / 3619
M20-29
#0 / 358
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
10:14/mi
20:28
→ flat
12 ft elev
4M
9:53/mi
40:13
↑ 67↓ 69
10 ft elev
6M
9:48/mi
59:49
↑ 1231.1%
126 ft elev
8M
9:43/mi
1:19:15
↑ 166↓ 531.1%
246 ft elev
9.6M
9:43/mi
1:34:48
↑ 68↓ 1931.5%
126 ft elev
10M
18:16/mi
1:42:06
↓ 241.1%
90 ft elev
10.5M
4:38/mi
1:44:25
↓ 732.7%
18 ft elev
12M
14:19/mi
2:05:53
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
10:52/mi
2:17:56
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time59:49
Pace9:58 /mi
2nd Half
Distance7.11 mi
Time1:18:07
Pace10:59 /mi
📊Positive Split: 30.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:00:5420:2810:1420:28
10:14
-
4M
4.00 mi07:20:3940:1310:0319:45
9:53
-0:21
6M
6.00 mi07:40:1559:499:5819:36
9:48
-0:05
8M
8.00 mi07:59:411:19:159:5419:26
9:43
-0:05
9.6M
9.60 mi08:15:141:34:489:5215:33
9:43
0:00
10M
10.00 mi08:22:321:42:0610:137:18
18:16
+8:33
10.5M
10.50 mi08:24:511:44:259:572:19
4:38
-13:38
12M
12.00 mi08:46:192:05:5310:2921:28
14:19
+9:41
Finish
13.11 mi08:58:222:17:5610:3112:03
10:52
-3:27

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

4:38 /mi

Average Pace

10:31 /mi

Slowest Pace

18:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19

2% of race

Time at Steady Pace

1:46:51

77% of race

Time at Slower Pace

28:46

21% of race

Average Pace: 10:31 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi07:00:5420:2810:1420:28
10:14
#3424
4M
4.00 mi07:20:3940:1310:0319:45
9:53
#2942
6M
6.00 mi07:40:1559:499:5819:36
9:48
#2716
8M
8.00 mi07:59:411:19:159:5419:26
9:43
#2511
9.6M
9.60 mi08:15:141:34:489:5215:33
9:43
#2658
10M
10.00 mi08:22:321:42:0610:137:18
18:16
#2617
10.5M
10.50 mi08:24:511:44:259:572:19
4:38
#2611
12M
12.00 mi08:46:192:05:5310:2921:28
14:19
#2650
Finish
13.11 mi08:58:222:17:5610:3112:03
10:52
#2727
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 36%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:37

Segment Time

10:41/mi

Pace

0.90 mi

Distance

Overall

2380

Men

1671

Division

196

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi2.00 mi342422702572999(Top 46%)1979(Top 55%)224(Top 63%)
4M4.00 mi2.00 mi2942+4822019+251239+182614(Top 40%)1826(Top 50%)222(Top 62%)
6M6.00 mi2.00 mi2716+2261886+133227+122405(Top 37%)1703(Top 47%)209(Top 58%)
8M8.00 mi2.00 mi2511+2051788+98212+152032(Top 31%)1514(Top 42%)170(Top 47%)
9.6M9.60 mi1.60 mi2658-1471853-65222-103629(Top 55%)2221(Top 61%)247(Top 69%)
10M10.00 mi0.40 mi2617+411828+25218+42546(Top 39%)1751(Top 48%)201(Top 56%)
10.5M10.50 mi0.50 mi2611+61823+5217+12201(Top 33%)1564(Top 43%)195(Top 54%)
12M12.00 mi1.50 mi2650-391834-11216+12999(Top 46%)1979(Top 55%)224(Top 63%)
Finish13.11 mi1.11 mi2727-771879-45220-43869(Top 59%)2415(Top 67%)269(Top 75%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 46%
~flat
+5ft-3ft

Overall

2999

Males

1979

M20-24

225

2M→4M

2.0 - 4.0 mi

Top 40%
×4story building
+67ft-69ft

Overall

2614

Males

1826

M20-24

223

4M→6M

4.0 - 6.0 mi

Top 37%
×9story building
+123ft-9ft

Overall

2405

Males

1703

M20-24

211

6M→8M

6.0 - 8.0 mi

Top 31%
×12story building
+166ft-53ft

Overall

2032

Males

1514

M20-24

171

8M→9.6M

8.0 - 9.6 mi

Top 55%
×13story building
+68ft-193ft

Overall

3629

Males

2221

M20-24

248

9.6M→10M

9.6 - 10.0 mi

Top 39%
×2story building
+0ft-24ft

Overall

2546

Males

1751

M20-24

202

10M→10.5M

10.0 - 10.5 mi

Top 33%
×6story building
+1ft-73ft

Overall

2201

Males

1564

M20-24

195

10.5M→12M

10.5 - 12.0 mi

Top 46%
×21story building
+280ft-26ft

Overall

2999

Males

1979

M20-24

225

12M→Finish

12.0 - 13.1 mi

Top 59%
×7story building
+14ft-89ft

Overall

3869

Males

2415

M20-24

269

Passing Analysis

Category:
Athletes Passed
1183*
Passed By
486
Net Change
+697
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3424
2M → 4M50321+482#3424#2942
4M → 6M24721+226#2942#2716
6M → 8M250*45+205#2716#2511
8M → 9.6M28175-147#2511#2658
9.6M → 10M5615+41#2658#2617
10M → 10.5M93+6#2617#2611
10.5M → 12M61100-39#2611#2650
12M → Finish29*106-77#2650#2727
TOTALS1183*486+697

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

📊

Passing Visuals

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

Race Place Events

Race Place Events