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SF MARATHON 1ST HALF 2026

Carl Zhang

Bib: 17650•M•Age: 25

Sunnyvale, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Division (M25-29)
#0 / 796
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
9:06/mi
18:12
→ flat
4M
9:19/mi
36:50
↑ 67↓ 69
6M
10:19/mi
57:29
↑ 1231.1%
8M
11:42/mi
1:20:54
↑ 166↓ 531.1%
9.6M
8:40/mi
1:34:46
↑ 68↓ 1931.5%
10M
20:56/mi
1:43:08
↓ 241.1%
10.5M
5:04/mi
1:45:40
↓ 732.7%
12M
19:10/mi
2:14:25
↑ 2803.2%
Finish· 13.11 mi
11:34/mi
2:27:15
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time57:29
Pace9:35 /mi
2nd Half
Distance7.11 mi
Time1:29:46
Pace12:38 /mi
📊Positive Split: 56.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:55:2518:129:0618:12
9:06
-
4M
4.00 mi07:14:0336:509:1318:38
9:19
+0:13
6M
6.00 mi07:34:4257:299:3520:39
10:19
+1:00
8M
8.00 mi07:58:071:20:5410:0723:25
11:42
+1:23
9.6M
9.60 mi08:11:591:34:469:5213:52
8:40
-3:02
10M
10.00 mi08:20:211:43:0810:198:22
20:56
+12:16
10.5M
10.50 mi08:22:531:45:4010:042:32
5:04
-15:52
12M
12.00 mi08:51:382:14:2511:1228:45
19:10
+14:06
Finish
13.11 mi09:04:282:27:1511:1412:50
11:34
-7:36

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

5:04 /mi

Average Pace

11:14 /mi

Slowest Pace

20:56 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32

2% of race

Time at Steady Pace

1:47:36

73% of race

Time at Slower Pace

37:07

25% of race

Average Pace: 11:14 /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 mi06:55:2518:129:0618:12
9:06
#1649
4M
4.00 mi07:14:0336:509:1318:38
9:19
#1765
6M
6.00 mi07:34:4257:299:3520:39
10:19
#2203
8M
8.00 mi07:58:071:20:5410:0723:25
11:42
#2807
9.6M
9.60 mi08:11:591:34:469:5213:52
8:40
#2655
10M
10.00 mi08:20:211:43:0810:198:22
20:56
#2763
10.5M
10.50 mi08:22:531:45:4010:042:32
5:04
#2771
12M
12.00 mi08:51:382:14:2511:1228:45
19:10
#3520
Finish
13.11 mi09:04:282:27:1511:1412:50
11:34
#3603
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 57%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:54

Segment Time

12:07/mi

Pace

0.90 mi

Distance

Overall

3757

Men

2395

Division

552

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi164912383015923(Top 90%)3333(Top 92%)744(Top 93%)
4M4.00 mi2.00 mi1765-1161332-94328-271880(Top 29%)1395(Top 39%)330(Top 41%)
6M6.00 mi2.00 mi2203-4381590-258380-523066(Top 47%)2095(Top 58%)503(Top 63%)
8M8.00 mi2.00 mi2807-6041965-375464-844277(Top 65%)2726(Top 75%)614(Top 77%)
9.6M9.60 mi1.60 mi2655+1521851+114436+282324(Top 35%)1513(Top 42%)373(Top 47%)
10M10.00 mi0.40 mi2763-1081907-56447-114005(Top 61%)2499(Top 69%)579(Top 73%)
10.5M10.50 mi0.50 mi2771-81912-5450-33337(Top 51%)2185(Top 60%)523(Top 66%)
12M12.00 mi1.50 mi3520-7492316-404547-975923(Top 90%)3333(Top 92%)744(Top 93%)
Finish13.11 mi1.11 mi3603-832353-37554-74570(Top 70%)2731(Top 75%)631(Top 79%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 90%
~flat
+5ft-3ft

Overall

5923

Males

3333

M25-29

745

2M→4M

2.0 - 4.0 mi

Top 29%
×4story building
+67ft-69ft

Overall

1880

Males

1395

M25-29

330

4M→6M

4.0 - 6.0 mi

Top 47%
×9story building
+123ft-9ft

Overall

3066

Males

2095

M25-29

504

6M→8M

6.0 - 8.0 mi

Top 65%
×12story building
+166ft-53ft

Overall

4277

Males

2726

M25-29

615

8M→9.6M

8.0 - 9.6 mi

Top 35%
×13story building
+68ft-193ft

Overall

2324

Males

1513

M25-29

373

9.6M→10M

9.6 - 10.0 mi

Top 61%
×2story building
+0ft-24ft

Overall

4005

Males

2499

M25-29

580

10M→10.5M

10.0 - 10.5 mi

Top 51%
×6story building
+1ft-73ft

Overall

3337

Males

2185

M25-29

524

10.5M→12M

10.5 - 12.0 mi

Top 90%
×21story building
+280ft-26ft

Overall

5923

Males

3333

M25-29

745

12M→Finish

12.0 - 13.1 mi

Top 70%
×7story building
+14ft-89ft

Overall

4570

Males

2731

M25-29

631

Passing Analysis

Category:
Athletes Passed
351*
Passed By
2305
Net Change
-1954
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1649
2M → 4M66182-116#1649#1765
4M → 6M5443-438#1765#2203
6M → 8M9*613-604#2203#2807
8M → 9.6M22068+152#2807#2655
9.6M → 10M17125-108#2655#2763
10M → 10.5M614-8#2763#2771
10.5M → 12M2751-749#2771#3520
12M → Finish26*109-83#3520#3603
TOTALS351*2305-1954

* 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