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SF MARATHON 1ST HALF 2026

Sean Yamamoto

Bib: 12950•M•Age: 28

Walnut Creek, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 21%
Gender (Male)
#0 / 3619
Top 30%
Division (M25-29)
#0 / 796
Top 33%
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
8:54/mi
17:49
→ flat
4M
9:16/mi
36:21
↑ 67↓ 69
6M
9:13/mi
54:48
↑ 1231.1%
8M
8:36/mi
1:11:59
↑ 166↓ 531.1%
9.6M
8:36/mi
1:25:44
↑ 68↓ 1931.5%
10M
14:54/mi
1:31:41
↓ 241.1%
10.5M
4:12/mi
1:33:47
↓ 732.7%
12M
12:45/mi
1:52:54
↑ 2803.2%
Finish· 13.11 mi
8:47/mi
2:02:38
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time54:48
Pace9:08 /mi
2nd Half
Distance7.11 mi
Time1:07:50
Pace9:33 /mi
📊Positive Split: 23.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:57:5417:498:5417:49
8:54
-
4M
4.00 mi07:16:2636:219:0518:32
9:16
+0:22
6M
6.00 mi07:34:5354:489:0818:27
9:13
-0:03
8M
8.00 mi07:52:041:11:599:0017:11
8:36
-0:37
9.6M
9.60 mi08:05:491:25:448:5613:45
8:36
0:00
10M
10.00 mi08:11:461:31:419:105:57
14:54
+6:18
10.5M
10.50 mi08:13:521:33:478:562:06
4:12
-10:42
12M
12.00 mi08:32:591:52:549:2519:07
12:45
+8:33
Finish
13.11 mi08:42:432:02:389:219:44
8:47
-3:58

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

4:12 /mi

Average Pace

9:21 /mi

Slowest Pace

14:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06

2% of race

Time at Steady Pace

1:35:28

78% of race

Time at Slower Pace

25:04

20% of race

Average Pace: 9:21 /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 mi06:57:5417:498:5417:49
8:54
#1400
4M
4.00 mi07:16:2636:219:0518:32
9:16
#1580
6M
6.00 mi07:34:5354:489:0818:27
9:13
#1613
8M
8.00 mi07:52:041:11:599:0017:11
8:36
#1323
9.6M
9.60 mi08:05:491:25:448:5613:45
8:36
#1484
10M
10.00 mi08:11:461:31:419:105:57
14:54
#1399
10.5M
10.50 mi08:13:521:33:478:562:06
4:12
#1387
12M
12.00 mi08:32:591:52:549:2519:07
12:45
#1432
Finish
13.11 mi08:42:432:02:389:219:44
8:47
#1405
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 10%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:03

Segment Time

8:57/mi

Pace

0.90 mi

Distance

Overall

685

Men

558

Division

138

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi140010752711743(Top 27%)1258(Top 35%)299(Top 38%)
4M4.00 mi2.00 mi1580-1801209-134294-231795(Top 27%)1348(Top 37%)318(Top 40%)
6M6.00 mi2.00 mi1613-331236-27297-31706(Top 26%)1288(Top 36%)312(Top 39%)
8M8.00 mi2.00 mi1323+2901058+178255+42906(Top 14%)755(Top 21%)192(Top 24%)
9.6M9.60 mi1.60 mi1484-1611153-95280-252225(Top 34%)1460(Top 40%)358(Top 45%)
10M10.00 mi0.40 mi1399+851095+58268+12684(Top 10%)542(Top 15%)132(Top 17%)
10.5M10.50 mi0.50 mi1387+121087+8266+21054(Top 16%)835(Top 23%)197(Top 25%)
12M12.00 mi1.50 mi1432-451106-19271-51743(Top 27%)1258(Top 35%)299(Top 38%)
Finish13.11 mi1.11 mi1405+271094+12265+61390(Top 21%)1059(Top 29%)252(Top 32%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 27%
~flat
+5ft-3ft

Overall

1743

Males

1258

M25-29

300

2M→4M

2.0 - 4.0 mi

Top 27%
×4story building
+67ft-69ft

Overall

1795

Males

1348

M25-29

318

4M→6M

4.0 - 6.0 mi

Top 26%
×9story building
+123ft-9ft

Overall

1706

Males

1288

M25-29

312

6M→8M

6.0 - 8.0 mi

Top 14%
×12story building
+166ft-53ft

Overall

906

Males

755

M25-29

192

8M→9.6M

8.0 - 9.6 mi

Top 34%
×13story building
+68ft-193ft

Overall

2225

Males

1460

M25-29

358

9.6M→10M

9.6 - 10.0 mi

Top 10%
×2story building
+0ft-24ft

Overall

684

Males

542

M25-29

133

10M→10.5M

10.0 - 10.5 mi

Top 16%
×6story building
+1ft-73ft

Overall

1054

Males

835

M25-29

198

10.5M→12M

10.5 - 12.0 mi

Top 27%
×21story building
+280ft-26ft

Overall

1743

Males

1258

M25-29

300

12M→Finish

12.0 - 13.1 mi

Top 21%
×7story building
+14ft-89ft

Overall

1390

Males

1059

M25-29

252

Passing Analysis

Category:
Athletes Passed
593*
Passed By
598
Net Change
-5
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1400
2M → 4M31211-180#1400#1580
4M → 6M5083-33#1580#1613
6M → 8M300*10+290#1613#1323
8M → 9.6M25186-161#1323#1484
9.6M → 10M894+85#1484#1399
10M → 10.5M153+12#1399#1387
10.5M → 12M3984-45#1387#1432
12M → Finish44*17+27#1432#1405
TOTALS593*598-5

* 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