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SF MARATHON 1ST HALF 2026

Katharine Marder

Bib: 12379•F•Age: 35

Sacramento, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 45%
Gender (Female)
#0 / 2930
Top 32%
Division (F35-39)
#0 / 388
Top 34%
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
9:56/mi
19:52
→ flat
4M
10:22/mi
40:35
↑ 67↓ 69
6M
10:24/mi
1:01:24
↑ 1231.1%
8M
10:16/mi
1:21:57
↑ 166↓ 531.1%
9.6M
10:16/mi
1:38:23
↑ 68↓ 1931.5%
10M
18:09/mi
1:45:38
↓ 241.1%
10.5M
4:46/mi
1:48:01
↓ 732.7%
12M
14:01/mi
2:09:03
↑ 2803.2%
Finish· 13.11 mi
9:53/mi
2:20:01
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:01:24
Pace10:14 /mi
2nd Half
Distance7.11 mi
Time1:18:37
Pace11:04 /mi
📊Positive Split: 28.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:54:3819:529:5619:52
9:56
-
4M
4.00 mi07:15:2140:3510:0920:43
10:22
+0:26
6M
6.00 mi07:36:101:01:2410:1420:49
10:24
+0:02
8M
8.00 mi07:56:431:21:5710:1520:33
10:16
-0:08
9.6M
9.60 mi08:13:091:38:2310:1516:26
10:16
0:00
10M
10.00 mi08:20:241:45:3810:347:15
18:09
+7:53
10.5M
10.50 mi08:22:471:48:0110:172:23
4:46
-13:23
12M
12.00 mi08:43:492:09:0310:4521:02
14:01
+9:15
Finish
13.11 mi08:54:472:20:0110:4110:58
9:53
-4:08

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

4:46 /mi

Average Pace

10:41 /mi

Slowest Pace

18:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23

2% of race

Time at Steady Pace

1:49:21

78% of race

Time at Slower Pace

28:17

20% of race

Average Pace: 10:41 /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 mi06:54:3819:529:5619:52
9:56
#2923
4M
4.00 mi07:15:2140:3510:0920:43
10:22
#3103
6M
6.00 mi07:36:101:01:2410:1420:49
10:24
#3127
8M
8.00 mi07:56:431:21:5710:1520:33
10:16
#2980
9.6M
9.60 mi08:13:091:38:2310:1516:26
10:16
#3185
10M
10.00 mi08:20:241:45:3810:347:15
18:09
#3078
10.5M
10.50 mi08:22:471:48:0110:172:23
4:46
#3067
12M
12.00 mi08:43:492:09:0310:4521:02
14:01
#2992
Finish
13.11 mi08:54:472:20:0110:4110:58
9:53
#2943
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 36%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:38

Segment Time

10:42/mi

Pace

0.90 mi

Distance

Overall

2398

Women

713

Division

93

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
2M2.00 mi2.00 mi29239131312752(Top 42%)898(Top 31%)118(Top 30%)
4M4.00 mi2.00 mi3103-180986-73135-43305(Top 50%)1079(Top 37%)147(Top 38%)
6M6.00 mi2.00 mi3127-24994-8139-43160(Top 48%)1005(Top 34%)137(Top 35%)
8M8.00 mi2.00 mi2980+147907+87130+92697(Top 41%)774(Top 26%)112(Top 29%)
9.6M9.60 mi1.60 mi3185-2051015-108140-104323(Top 66%)1721(Top 59%)219(Top 56%)
10M10.00 mi0.40 mi3078+107981+34134+62481(Top 38%)762(Top 26%)100(Top 26%)
10.5M10.50 mi0.50 mi3067+11979+21342548(Top 39%)792(Top 27%)106(Top 27%)
12M12.00 mi1.50 mi2992+75953+26132+22752(Top 42%)898(Top 31%)118(Top 30%)
Finish13.11 mi1.11 mi2943+49936+171322730(Top 42%)885(Top 30%)121(Top 31%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 42%
~flat
+5ft-3ft

Overall

2752

Females

898

F35-39

118

2M→4M

2.0 - 4.0 mi

Top 50%
×4story building
+67ft-69ft

Overall

3305

Females

1079

F35-39

147

4M→6M

4.0 - 6.0 mi

Top 48%
×9story building
+123ft-9ft

Overall

3160

Females

1005

F35-39

137

6M→8M

6.0 - 8.0 mi

Top 41%
×12story building
+166ft-53ft

Overall

2697

Females

774

F35-39

112

8M→9.6M

8.0 - 9.6 mi

Top 66%
×13story building
+68ft-193ft

Overall

4323

Females

1721

F35-39

219

9.6M→10M

9.6 - 10.0 mi

Top 38%
×2story building
+0ft-24ft

Overall

2481

Females

762

F35-39

100

10M→10.5M

10.0 - 10.5 mi

Top 39%
×6story building
+1ft-73ft

Overall

2548

Females

792

F35-39

106

10.5M→12M

10.5 - 12.0 mi

Top 42%
×21story building
+280ft-26ft

Overall

2752

Females

898

F35-39

118

12M→Finish

12.0 - 13.1 mi

Top 42%
×7story building
+14ft-89ft

Overall

2730

Females

885

F35-39

121

Passing Analysis

Category:
Athletes Passed
762*
Passed By
782
Net Change
-20
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2923
2M → 4M99279-180#2923#3103
4M → 6M111135-24#3103#3127
6M → 8M213*66+147#3127#2980
8M → 9.6M24229-205#2980#3185
9.6M → 10M1081+107#3185#3078
10M → 10.5M154+11#3078#3067
10.5M → 12M12550+75#3067#2992
12M → Finish67*18+49#2992#2943
TOTALS762*782-20

* 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