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SF MARATHON 1ST HALF 2026

ChihYang Chang

Cupertino, CA

Bib: 19534 M 48

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Masters (Masters Men)
#0 / 1030
Division (M45-49)
#0 / 220
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
11:20/mi
22:40
→ flat
12 ft elev
4M
12:08/mi
46:56
↑ 67↓ 69
10 ft elev
6M
12:14/mi
1:11:24
↑ 1231.1%
126 ft elev
8M
11:38/mi
1:34:41
↑ 166↓ 531.1%
246 ft elev
9.6M
11:38/mi
1:53:18
↑ 68↓ 1931.5%
126 ft elev
10M
22:37/mi
2:02:20
↓ 241.1%
90 ft elev
10.5M
6:04/mi
2:05:22
↓ 732.7%
18 ft elev
12M
17:30/mi
2:31:37
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
12:00/mi
2:44:56
↑ 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
1:11:2411:54 /mi⚡ faster
2nd Half
1:33:3213:09 /mi+31.0%
Positive split — 31.0% slower in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:08:2822:4011:2022:40
11:20
-
4M
4.00 mi07:32:4446:5611:4424:16
12:08
+0:48
6M
6.00 mi07:57:121:11:2411:5424:28
12:14
+0:06
8M
8.00 mi08:20:291:34:4111:5023:17
11:38
-0:36
9.6M
9.60 mi08:39:061:53:1811:4818:37
11:38
0:00
10M
10.00 mi08:48:082:02:2012:149:02
22:37
+10:59
10.5M
10.50 mi08:51:102:05:2211:563:02
6:04
-16:33
12M
12.00 mi09:17:252:31:3712:3826:15
17:30
+11:26
Finish
13.11 mi09:30:442:44:5612:3513:19
12:00
-5:30

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

6:04 /mi

Average Pace

12:35 /mi

Slowest Pace

22:37 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:02

2% of race

Time at Steady Pace

2:06:37

77% of race

Time at Slower Pace

35:17

21% of race

Average Pace: 12:35 /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 mi07:08:2822:4011:2022:40
11:20
#5240
4M
4.00 mi07:32:4446:5611:4424:16
12:08
#5412
6M
6.00 mi07:57:121:11:2411:5424:28
12:14
#5358
8M
8.00 mi08:20:291:34:4111:5023:17
11:38
#5036
9.6M
9.60 mi08:39:061:53:1811:4818:37
11:38
#5217
10M
10.00 mi08:48:082:02:2012:149:02
22:37
#5177
10.5M
10.50 mi08:51:102:05:2211:563:02
6:04
#5183
12M
12.00 mi09:17:252:31:3712:3826:15
17:30
#5199
Finish
13.11 mi09:30:442:44:5612:3513:19
12:00
#5133
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 74%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:04

Segment Time

13:25/mi

Pace

0.90 mi

Distance

Overall

4897

Men

2912

Division

162

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
2M2.00 mi2.00 mi5240313317651512989173
4M4.00 mi2.00 mi5412-1723208-75177-155403252185
6M6.00 mi2.00 mi5358+543199+9181-452993166179
8M8.00 mi2.00 mi5036+3223075+124174+742112690149
9.6M9.60 mi1.60 mi5217-1813139-64176-255833188174
10M10.00 mi0.40 mi5177+403123+16178-248152860163
10.5M10.50 mi0.50 mi5183-63119+4177+154463152190
12M12.00 mi1.50 mi5199-163108+11176+151512989173
Finish13.11 mi1.11 mi5133+663069+39174+249312874168

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 78%
~flat
+5ft-3ft

Overall

5151

Males

2989

M45-49

173

2M→4M

2.0 - 4.0 mi

Top 84%
×4story building
+67ft-69ft

Overall

5540

Males

3252

M45-49

185

4M→6M

4.0 - 6.0 mi

Top 81%
×9story building
+123ft-9ft

Overall

5299

Males

3166

M45-49

179

6M→8M

6.0 - 8.0 mi

Top 64%
×12story building
+166ft-53ft

Overall

4211

Males

2690

M45-49

149

8M→9.6M

8.0 - 9.6 mi

Top 85%
×13story building
+68ft-193ft

Overall

5583

Males

3188

M45-49

174

9.6M→10M

9.6 - 10.0 mi

Top 73%
×2story building
+0ft-24ft

Overall

4815

Males

2860

M45-49

163

10M→10.5M

10.0 - 10.5 mi

Top 83%
×6story building
+1ft-73ft

Overall

5446

Males

3152

M45-49

190

10.5M→12M

10.5 - 12.0 mi

Top 78%
×21story building
+280ft-26ft

Overall

5151

Males

2989

M45-49

173

12M→Finish

12.0 - 13.1 mi

Top 75%
×7story building
+14ft-89ft

Overall

4931

Males

2874

M45-49

168

Passing Analysis

Category:
Athletes Passed
846*
Passed By
739
Net Change
+107
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5240
2M → 4M77249-172#5240#5412
4M → 6M137*83+54#5412#5358
6M → 8M340*18+322#5358#5036
8M → 9.6M41222-181#5036#5217
9.6M → 10M6323+40#5217#5177
10M → 10.5M1117-6#5177#5183
10.5M → 12M94*110-16#5183#5199
12M → Finish83*17+66#5199#5133
TOTALS846*739+107

* 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

Race Place Events

Race Place Events