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SF MARATHON 1ST HALF 2026

Katie Sofko

Bib: 12324•F•Age: 25

Stanford, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 35%
Gender (Female)
#0 / 2930
Top 23%
Division (F25-29)
#0 / 674
Top 25%
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
9:28/mi
18:57
→ flat
4M
9:35/mi
38:06
↑ 67↓ 69
6M
9:42/mi
57:31
↑ 1231.1%
8M
9:29/mi
1:16:29
↑ 166↓ 531.1%
9.6M
9:29/mi
1:31:40
↑ 68↓ 1931.5%
10M
18:46/mi
1:39:10
↓ 241.1%
10.5M
5:12/mi
1:41:46
↓ 732.7%
12M
13:49/mi
2:02:29
↑ 2803.2%
Finish· 13.11 mi
9:33/mi
2:13:05
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time57:31
Pace9:35 /mi
2nd Half
Distance7.11 mi
Time1:15:34
Pace10:38 /mi
📊Positive Split: 31.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:01:5218:579:2818:57
9:28
-
4M
4.00 mi07:21:0138:069:3219:09
9:35
+0:07
6M
6.00 mi07:40:2657:319:3519:25
9:42
+0:07
8M
8.00 mi07:59:241:16:299:3418:58
9:29
-0:13
9.6M
9.60 mi08:14:351:31:409:3315:11
9:29
0:00
10M
10.00 mi08:22:051:39:109:557:30
18:46
+9:17
10.5M
10.50 mi08:24:411:41:469:422:36
5:12
-13:34
12M
12.00 mi08:45:242:02:2910:1220:43
13:49
+8:37
Finish
13.11 mi08:56:002:13:0510:0910:36
9:33
-4:16

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

5:12 /mi

Average Pace

10:09 /mi

Slowest Pace

18:46 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36

2% of race

Time at Steady Pace

1:42:16

77% of race

Time at Slower Pace

28:13

21% of race

Average Pace: 10:09 /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 mi07:01:5218:579:2818:57
9:28
#2220
4M
4.00 mi07:21:0138:069:3219:09
9:35
#2193
6M
6.00 mi07:40:2657:319:3519:25
9:42
#2206
8M
8.00 mi07:59:241:16:299:3418:58
9:29
#2073
9.6M
9.60 mi08:14:351:31:409:3315:11
9:29
#2231
10M
10.00 mi08:22:051:39:109:557:30
18:46
#2260
10.5M
10.50 mi08:24:411:41:469:422:36
5:12
#2287
12M
12.00 mi08:45:242:02:2910:1220:43
13:49
#2328
Finish
13.11 mi08:56:002:13:0510:0910:36
9:33
#2292
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 44%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:06

Segment Time

11:14/mi

Pace

0.90 mi

Distance

Overall

2923

Women

957

Division

243

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi22206201472569(Top 39%)818(Top 28%)215(Top 32%)
4M4.00 mi2.00 mi2193+27598+22141+62218(Top 34%)602(Top 21%)146(Top 22%)
6M6.00 mi2.00 mi2206-13610-12147-62298(Top 35%)651(Top 22%)159(Top 24%)
8M8.00 mi2.00 mi2073+133538+72121+261780(Top 27%)420(Top 14%)90(Top 13%)
9.6M9.60 mi1.60 mi2231-158635-97156-353348(Top 51%)1267(Top 43%)309(Top 46%)
10M10.00 mi0.40 mi2260-29645-10157-12844(Top 43%)934(Top 32%)233(Top 35%)
10.5M10.50 mi0.50 mi2287-27660-15160-33622(Top 55%)1266(Top 43%)309(Top 46%)
12M12.00 mi1.50 mi2328-41678-18170-102569(Top 39%)818(Top 28%)215(Top 32%)
Finish13.11 mi1.11 mi2292+36662+16168+22331(Top 35%)714(Top 24%)194(Top 29%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 39%
~flat
+5ft-3ft

Overall

2569

Females

818

F25-29

215

2M→4M

2.0 - 4.0 mi

Top 34%
×4story building
+67ft-69ft

Overall

2218

Females

602

F25-29

146

4M→6M

4.0 - 6.0 mi

Top 35%
×9story building
+123ft-9ft

Overall

2298

Females

651

F25-29

159

6M→8M

6.0 - 8.0 mi

Top 27%
×12story building
+166ft-53ft

Overall

1780

Females

420

F25-29

90

8M→9.6M

8.0 - 9.6 mi

Top 51%
×13story building
+68ft-193ft

Overall

3348

Females

1267

F25-29

309

9.6M→10M

9.6 - 10.0 mi

Top 43%
×2story building
+0ft-24ft

Overall

2844

Females

934

F25-29

233

10M→10.5M

10.0 - 10.5 mi

Top 55%
×6story building
+1ft-73ft

Overall

3622

Females

1266

F25-29

309

10.5M→12M

10.5 - 12.0 mi

Top 39%
×21story building
+280ft-26ft

Overall

2569

Females

818

F25-29

215

12M→Finish

12.0 - 13.1 mi

Top 35%
×7story building
+14ft-89ft

Overall

2331

Females

714

F25-29

194

Passing Analysis

Category:
Athletes Passed
540*
Passed By
612
Net Change
-72
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2220
2M → 4M130103+27#2220#2193
4M → 6M7285-13#2193#2206
6M → 8M196*63+133#2206#2073
8M → 9.6M23181-158#2073#2231
9.6M → 10M1645-29#2231#2260
10M → 10.5M229-27#2260#2287
10.5M → 12M5394-41#2287#2328
12M → Finish48*12+36#2328#2292
TOTALS540*612-72

* 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