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SF MARATHON 1ST HALF 2026

Shang Yin Chiang

Bib: 16767•M•Age: 35

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Division (M35-39)
#0 / 582
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
9:43/mi
19:27
→ flat
4M
11:26/mi
42:18
↑ 67↓ 69
6M
12:19/mi
1:06:56
↑ 1231.1%
8M
12:52/mi
1:32:40
↑ 166↓ 531.1%
9.6M
12:52/mi
1:53:16
↑ 68↓ 1931.5%
10M
28:54/mi
2:04:49
↓ 241.1%
10.5M
6:00/mi
2:07:49
↓ 732.7%
12M
19:33/mi
2:37:08
↑ 2803.2%
Finish· 13.11 mi
13:34/mi
2:52:11
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:06:56
Pace11:09 /mi
2nd Half
Distance7.11 mi
Time1:45:15
Pace14:48 /mi
📊Positive Split: 57.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:52:1919:279:4319:27
9:43
-
4M
4.00 mi07:15:1042:1810:3522:51
11:26
+1:43
6M
6.00 mi07:39:481:06:5611:0924:38
12:19
+0:53
8M
8.00 mi08:05:321:32:4011:3525:44
12:52
+0:33
9.6M
9.60 mi08:26:081:53:1611:4820:36
12:52
0:00
10M
10.00 mi08:37:412:04:4912:2911:33
28:54
+16:02
10.5M
10.50 mi08:40:412:07:4912:103:00
6:00
-22:54
12M
12.00 mi09:10:002:37:0813:0629:19
19:33
+13:33
Finish
13.11 mi09:25:032:52:1113:0815:03
13:34
-5:59

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

6:00 /mi

Average Pace

13:08 /mi

Slowest Pace

28:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

22:27

13% of race

Time at Steady Pace

1:48:52

63% of race

Time at Slower Pace

40:52

24% of race

Average Pace: 13:08 /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 mi06:52:1919:279:4319:27
9:43
#2616
4M
4.00 mi07:15:1042:1810:3522:51
11:26
#3814
6M
6.00 mi07:39:481:06:5611:0924:38
12:19
#4432
8M
8.00 mi08:05:321:32:4011:3525:44
12:52
#4751
9.6M
9.60 mi08:26:081:53:1611:4820:36
12:52
#5214
10M
10.00 mi08:37:412:04:4912:2911:33
28:54
#5429
10.5M
10.50 mi08:40:412:07:4912:103:00
6:00
#5416
12M
12.00 mi09:10:002:37:0813:0629:19
19:33
#5641
Finish
13.11 mi09:25:032:52:1113:0815:03
13:34
#5687
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 93%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

14:33

Segment Time

16:10/mi

Pace

0.90 mi

Distance

Overall

6119

Men

3412

Division

557

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi261618353176042(Top 92%)3380(Top 93%)550(Top 95%)
4M4.00 mi2.00 mi3814-11982487-652421-1044766(Top 72%)2916(Top 81%)477(Top 82%)
6M6.00 mi2.00 mi4432-6182784-297462-415374(Top 82%)3196(Top 88%)524(Top 90%)
8M8.00 mi2.00 mi4751-3192953-169488-265329(Top 81%)3191(Top 88%)527(Top 91%)
9.6M9.60 mi1.60 mi5214-4633137-184513-256239(Top 95%)3478(Top 96%)563(Top 97%)
10M10.00 mi0.40 mi5429-2153218-81524-116280(Top 96%)3473(Top 96%)564(Top 97%)
10.5M10.50 mi0.50 mi5416+133212+65245379(Top 82%)3126(Top 86%)520(Top 89%)
12M12.00 mi1.50 mi5641-2253284-72537-136042(Top 92%)3380(Top 93%)550(Top 95%)
Finish13.11 mi1.11 mi5687-463294-10535+25813(Top 88%)3272(Top 90%)532(Top 91%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 92%
~flat
+5ft-3ft

Overall

6042

Males

3380

M35-39

550

2M→4M

2.0 - 4.0 mi

Top 72%
×4story building
+67ft-69ft

Overall

4766

Males

2916

M35-39

477

4M→6M

4.0 - 6.0 mi

Top 82%
×9story building
+123ft-9ft

Overall

5374

Males

3196

M35-39

524

6M→8M

6.0 - 8.0 mi

Top 81%
×12story building
+166ft-53ft

Overall

5329

Males

3191

M35-39

527

8M→9.6M

8.0 - 9.6 mi

Top 95%
×13story building
+68ft-193ft

Overall

6239

Males

3478

M35-39

563

9.6M→10M

9.6 - 10.0 mi

Top 96%
×2story building
+0ft-24ft

Overall

6280

Males

3473

M35-39

564

10M→10.5M

10.0 - 10.5 mi

Top 82%
×6story building
+1ft-73ft

Overall

5379

Males

3126

M35-39

520

10.5M→12M

10.5 - 12.0 mi

Top 92%
×21story building
+280ft-26ft

Overall

6042

Males

3380

M35-39

550

12M→Finish

12.0 - 13.1 mi

Top 88%
×7story building
+14ft-89ft

Overall

5813

Males

3272

M35-39

532

Passing Analysis

Category:
Athletes Passed
137*
Passed By
3208
Net Change
-3071
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2616
2M → 4M101208-1198#2616#3814
4M → 6M17*635-618#3814#4432
6M → 8M44*363-319#4432#4751
8M → 9.6M0463-463#4751#5214
9.6M → 10M3218-215#5214#5429
10M → 10.5M185+13#5429#5416
10.5M → 12M10*235-225#5416#5641
12M → Finish35*81-46#5641#5687
TOTALS137*3208-3071

* 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