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SF MARATHON 1ST HALF 2026

Keisuke Yamazaki

Bib: 12193•M•Age: 44

Beaverton, OR

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Top 24%
Gender (Male)
#0 / 3619
Top 33%
Masters (Masters Men)
#0 / 1030
Top 23%
Division (M40-44)
#0 / 319
Top 29%
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
9:09/mi
18:19
→ flat
4M
9:09/mi
36:36
↑ 67↓ 69
6M
9:07/mi
54:51
↑ 1231.1%
8M
9:00/mi
1:12:51
↑ 166↓ 531.1%
9.6M
9:00/mi
1:27:15
↑ 68↓ 1931.5%
10M
16:39/mi
1:33:54
↓ 241.1%
10.5M
4:32/mi
1:36:10
↓ 732.7%
12M
12:37/mi
1:55:05
↑ 2803.2%
Finish· 13.11 mi
8:38/mi
2:04:39
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time54:51
Pace9:09 /mi
2nd Half
Distance7.11 mi
Time1:09:48
Pace9:49 /mi
📊Positive Split: 27.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:56:0218:199:0918:19
9:09
-
4M
4.00 mi07:14:1936:369:0918:17
9:09
0:00
6M
6.00 mi07:32:3454:519:0918:15
9:07
-0:02
8M
8.00 mi07:50:341:12:519:0618:00
9:00
-0:07
9.6M
9.60 mi08:04:581:27:159:0514:24
9:00
0:00
10M
10.00 mi08:11:371:33:549:236:39
16:39
+7:39
10.5M
10.50 mi08:13:531:36:109:102:16
4:32
-12:07
12M
12.00 mi08:32:481:55:059:3518:55
12:37
+8:05
Finish
13.11 mi08:42:222:04:399:319:34
8:38
-3:59

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

4:32 /mi

Average Pace

9:31 /mi

Slowest Pace

16:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16

2% of race

Time at Steady Pace

1:36:49

78% of race

Time at Slower Pace

25:34

21% of race

Average Pace: 9:30 /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 mi06:56:0218:199:0918:19
9:09
#1731
4M
4.00 mi07:14:1936:369:0918:17
9:09
#1665
6M
6.00 mi07:32:3454:519:0918:15
9:07
#1633
8M
8.00 mi07:50:341:12:519:0618:00
9:00
#1456
9.6M
9.60 mi08:04:581:27:159:0514:24
9:00
#1653
10M
10.00 mi08:11:371:33:549:236:39
16:39
#1636
10.5M
10.50 mi08:13:531:36:109:102:16
4:32
#1639
12M
12.00 mi08:32:481:55:059:3518:55
12:37
#1624
Finish
13.11 mi08:42:222:04:399:319:34
8:38
#1549
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 24%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:55

Segment Time

9:55/mi

Pace

0.90 mi

Distance

Overall

1610

Men

1210

Division

89

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
2M2.00 mi2.00 mi173112941021654(Top 25%)1204(Top 33%)91(Top 29%)
4M4.00 mi2.00 mi1665+661262+3298+41634(Top 25%)1246(Top 34%)97(Top 30%)
6M6.00 mi2.00 mi1633+321250+1296+21584(Top 24%)1210(Top 33%)88(Top 28%)
8M8.00 mi2.00 mi1456+1771143+10791+51284(Top 20%)1011(Top 28%)84(Top 26%)
9.6M9.60 mi1.60 mi1653-1971254-11198-72738(Top 42%)1737(Top 48%)137(Top 43%)
10M10.00 mi0.40 mi1636+171243+1195+31616(Top 25%)1201(Top 33%)86(Top 27%)
10.5M10.50 mi0.50 mi1639-31243951886(Top 29%)1384(Top 38%)105(Top 33%)
12M12.00 mi1.50 mi1624+151228+1594+11654(Top 25%)1204(Top 33%)91(Top 29%)
Finish13.11 mi1.11 mi1549+751185+4391+31228(Top 19%)949(Top 26%)73(Top 23%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 25%
~flat
+5ft-3ft

Overall

1654

Males

1204

M40-44

91

2M→4M

2.0 - 4.0 mi

Top 25%
×4story building
+67ft-69ft

Overall

1634

Males

1246

M40-44

97

4M→6M

4.0 - 6.0 mi

Top 24%
×9story building
+123ft-9ft

Overall

1584

Males

1210

M40-44

88

6M→8M

6.0 - 8.0 mi

Top 20%
×12story building
+166ft-53ft

Overall

1284

Males

1011

M40-44

84

8M→9.6M

8.0 - 9.6 mi

Top 42%
×13story building
+68ft-193ft

Overall

2738

Males

1737

M40-44

137

9.6M→10M

9.6 - 10.0 mi

Top 25%
×2story building
+0ft-24ft

Overall

1616

Males

1201

M40-44

86

10M→10.5M

10.0 - 10.5 mi

Top 29%
×6story building
+1ft-73ft

Overall

1886

Males

1384

M40-44

105

10.5M→12M

10.5 - 12.0 mi

Top 25%
×21story building
+280ft-26ft

Overall

1654

Males

1204

M40-44

91

12M→Finish

12.0 - 13.1 mi

Top 19%
×7story building
+14ft-89ft

Overall

1228

Males

949

M40-44

73

Passing Analysis

Category:
Athletes Passed
633*
Passed By
451
Net Change
+182
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1731
2M → 4M13569+66#1731#1665
4M → 6M8149+32#1665#1633
6M → 8M214*37+177#1633#1456
8M → 9.6M14211-197#1456#1653
9.6M → 10M3316+17#1653#1636
10M → 10.5M47-3#1636#1639
10.5M → 12M7358+15#1639#1624
12M → Finish79*4+75#1624#1549
TOTALS633*451+182

* 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