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SF MARATHON 1ST HALF 2026

Karl Ziegler

Bib: 12248•M•Age: 38

MILPITAS, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 11%
Gender (Male)
#0 / 3619
Top 16%
Division (M35-39)
#0 / 582
Top 18%
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
8:28/mi
16:57
→ flat
4M
8:27/mi
33:50
↑ 67↓ 69
6M
8:32/mi
50:55
↑ 1231.1%
8M
7:59/mi
1:06:52
↑ 166↓ 531.1%
9.6M
7:59/mi
1:19:38
↑ 68↓ 1931.5%
10M
14:59/mi
1:25:37
↓ 241.1%
10.5M
4:06/mi
1:27:40
↓ 732.7%
12M
11:35/mi
1:45:02
↑ 2803.2%
Finish· 13.11 mi
8:20/mi
1:54:17
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time50:55
Pace8:29 /mi
2nd Half
Distance7.11 mi
Time1:03:22
Pace8:55 /mi
📊Positive Split: 24.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:51:5916:578:2816:57
8:28
-
4M
4.00 mi07:08:5233:508:2816:53
8:27
-0:01
6M
6.00 mi07:25:5750:558:2917:05
8:32
+0:05
8M
8.00 mi07:41:541:06:528:2215:57
7:59
-0:33
9.6M
9.60 mi07:54:401:19:388:1812:46
7:59
0:00
10M
10.00 mi08:00:391:25:378:345:59
14:59
+7:00
10.5M
10.50 mi08:02:421:27:408:212:03
4:06
-10:53
12M
12.00 mi08:20:041:45:028:4517:22
11:35
+7:29
Finish
13.11 mi08:29:191:54:178:439:15
8:20
-3:15

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

4:06 /mi

Average Pace

8:43 /mi

Slowest Pace

14:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03

2% of race

Time at Steady Pace

1:28:53

78% of race

Time at Slower Pace

23:21

20% of race

Average Pace: 8:43 /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 mi06:51:5916:578:2816:57
8:28
#879
4M
4.00 mi07:08:5233:508:2816:53
8:27
#832
6M
6.00 mi07:25:5750:558:2917:05
8:32
#847
8M
8.00 mi07:41:541:06:528:2215:57
7:59
#662
9.6M
9.60 mi07:54:401:19:388:1812:46
7:59
#744
10M
10.00 mi08:00:391:25:378:345:59
14:59
#728
10.5M
10.50 mi08:02:421:27:408:212:03
4:06
#727
12M
12.00 mi08:20:041:45:028:4517:22
11:35
#735
Finish
13.11 mi08:29:191:54:178:439:15
8:20
#716
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

8:02

Segment Time

8:56/mi

Pace

0.90 mi

Distance

Overall

665

Men

545

Division

86

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi879711131959(Top 15%)757(Top 21%)123(Top 21%)
4M4.00 mi2.00 mi832+47678+33125+6802(Top 12%)653(Top 18%)119(Top 20%)
6M6.00 mi2.00 mi847-15691-13127-2889(Top 14%)723(Top 20%)134(Top 23%)
8M8.00 mi2.00 mi662+185555+136103+24439(Top 7%)382(Top 11%)68(Top 12%)
9.6M9.60 mi1.60 mi744-82612-57110-71512(Top 23%)1003(Top 28%)172(Top 30%)
10M10.00 mi0.40 mi728+16599+13107+3707(Top 11%)562(Top 16%)83(Top 14%)
10.5M10.50 mi0.50 mi727+1597+2106+1808(Top 12%)652(Top 18%)104(Top 18%)
12M12.00 mi1.50 mi735-8601-4106959(Top 15%)757(Top 21%)123(Top 21%)
Finish13.11 mi1.11 mi716+19590+11104+2902(Top 14%)724(Top 20%)114(Top 20%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 15%
~flat
+5ft-3ft

Overall

959

Males

757

M35-39

123

2M→4M

2.0 - 4.0 mi

Top 12%
×4story building
+67ft-69ft

Overall

802

Males

653

M35-39

119

4M→6M

4.0 - 6.0 mi

Top 14%
×9story building
+123ft-9ft

Overall

889

Males

723

M35-39

134

6M→8M

6.0 - 8.0 mi

Top 7%
×12story building
+166ft-53ft

Overall

439

Males

382

M35-39

68

8M→9.6M

8.0 - 9.6 mi

Top 23%
×13story building
+68ft-193ft

Overall

1512

Males

1003

M35-39

172

9.6M→10M

9.6 - 10.0 mi

Top 11%
×2story building
+0ft-24ft

Overall

707

Males

562

M35-39

83

10M→10.5M

10.0 - 10.5 mi

Top 12%
×6story building
+1ft-73ft

Overall

808

Males

652

M35-39

104

10.5M→12M

10.5 - 12.0 mi

Top 15%
×21story building
+280ft-26ft

Overall

959

Males

757

M35-39

123

12M→Finish

12.0 - 13.1 mi

Top 14%
×7story building
+14ft-89ft

Overall

902

Males

724

M35-39

114

Passing Analysis

Category:
Athletes Passed
417*
Passed By
254
Net Change
+163
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#879
2M → 4M8235+47#879#832
4M → 6M4257-15#832#847
6M → 8M1894+185#847#662
8M → 9.6M1698-82#662#744
9.6M → 10M226+16#744#728
10M → 10.5M54+1#728#727
10.5M → 12M2937-8#727#735
12M → Finish32*13+19#735#716
TOTALS417*254+163

* 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