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SF MARATHON 1ST HALF 2026

John Lau

Bib: 15282•M•Age: 29

San Jose, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 16%
Gender (Male)
#0 / 3619
Top 24%
Division (M25-29)
#0 / 796
Top 27%
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
8:59/mi
17:58
→ flat
4M
8:53/mi
35:44
↑ 67↓ 69
6M
8:43/mi
53:11
↑ 1231.1%
8M
9:24/mi
1:12:00
↑ 166↓ 531.1%
9.6M
6:39/mi
1:22:38
↑ 68↓ 1931.5%
10M
15:19/mi
1:28:45
↓ 241.1%
10.5M
4:00/mi
1:30:45
↓ 732.7%
12M
11:38/mi
1:48:12
↑ 2803.2%
Finish· 13.11 mi
9:36/mi
1:58:51
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time53:11
Pace8:52 /mi
2nd Half
Distance7.11 mi
Time1:05:40
Pace9:14 /mi
📊Positive Split: 23.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:59:0617:588:5917:58
8:59
-
4M
4.00 mi07:16:5235:448:5617:46
8:53
-0:06
6M
6.00 mi07:34:1953:118:5217:27
8:43
-0:10
8M
8.00 mi07:53:081:12:009:0018:49
9:24
+0:41
9.6M
9.60 mi08:03:461:22:388:3610:38
6:39
-2:45
10M
10.00 mi08:09:531:28:458:536:07
15:19
+8:40
10.5M
10.50 mi08:11:531:30:458:392:00
4:00
-11:19
12M
12.00 mi08:29:201:48:129:0117:27
11:38
+7:38
Finish
13.11 mi08:39:591:58:519:0410:39
9:36
-2:02

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

4:00 /mi

Average Pace

9:04 /mi

Slowest Pace

15:19 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

12:38

11% of race

Time at Steady Pace

1:22:39

70% of race

Time at Slower Pace

23:34

20% of race

Average Pace: 9:04 /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 mi06:59:0617:588:5917:58
8:59
#1487
4M
4.00 mi07:16:5235:448:5617:46
8:53
#1382
6M
6.00 mi07:34:1953:118:5217:27
8:43
#1244
8M
8.00 mi07:53:081:12:009:0018:49
9:24
#1327
9.6M
9.60 mi08:03:461:22:388:3610:38
6:39
#1035
10M
10.00 mi08:09:531:28:458:536:07
15:19
#1003
10.5M
10.50 mi08:11:531:30:458:392:00
4:00
#988
12M
12.00 mi08:29:201:48:129:0117:27
11:38
#945
Finish
13.11 mi08:39:591:58:519:0410:39
9:36
#1065
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 11%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:07

Segment Time

9:01/mi

Pace

0.90 mi

Distance

Overall

749

Men

607

Division

152

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi14871133280991(Top 15%)780(Top 22%)177(Top 22%)
4M4.00 mi2.00 mi1382+1051071+62258+221252(Top 19%)994(Top 27%)234(Top 29%)
6M6.00 mi2.00 mi1244+138981+90231+271076(Top 16%)867(Top 24%)216(Top 27%)
8M8.00 mi2.00 mi1327-831062-81256-251700(Top 26%)1295(Top 36%)304(Top 38%)
9.6M9.60 mi1.60 mi1035+292834+228203+53439(Top 7%)335(Top 9%)77(Top 10%)
10M10.00 mi0.40 mi1003+32810+24199+4860(Top 13%)672(Top 19%)161(Top 20%)
10.5M10.50 mi0.50 mi988+15799+11196+3642(Top 10%)531(Top 15%)136(Top 17%)
12M12.00 mi1.50 mi945+43764+35184+12991(Top 15%)780(Top 22%)177(Top 22%)
Finish13.11 mi1.11 mi1065-120864-100212-282375(Top 36%)1637(Top 45%)387(Top 49%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 15%
~flat
+5ft-3ft

Overall

991

Males

780

M25-29

177

2M→4M

2.0 - 4.0 mi

Top 19%
×4story building
+67ft-69ft

Overall

1252

Males

994

M25-29

234

4M→6M

4.0 - 6.0 mi

Top 16%
×9story building
+123ft-9ft

Overall

1076

Males

867

M25-29

216

6M→8M

6.0 - 8.0 mi

Top 26%
×12story building
+166ft-53ft

Overall

1700

Males

1295

M25-29

305

8M→9.6M

8.0 - 9.6 mi

Top 7%
×13story building
+68ft-193ft

Overall

439

Males

335

M25-29

77

9.6M→10M

9.6 - 10.0 mi

Top 13%
×2story building
+0ft-24ft

Overall

860

Males

672

M25-29

162

10M→10.5M

10.0 - 10.5 mi

Top 10%
×6story building
+1ft-73ft

Overall

642

Males

531

M25-29

137

10.5M→12M

10.5 - 12.0 mi

Top 15%
×21story building
+280ft-26ft

Overall

991

Males

780

M25-29

177

12M→Finish

12.0 - 13.1 mi

Top 36%
×7story building
+14ft-89ft

Overall

2375

Males

1637

M25-29

387

Passing Analysis

Category:
Athletes Passed
810*
Passed By
388
Net Change
+422
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1487
2M → 4M14136+105#1487#1382
4M → 6M15315+138#1382#1244
6M → 8M77160-83#1244#1327
8M → 9.6M2975+292#1327#1035
9.6M → 10M364+32#1035#1003
10M → 10.5M161+15#1003#988
10.5M → 12M7330+43#988#945
12M → Finish17*137-120#945#1065
TOTALS810*388+422

* 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