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SF MARATHON 1ST HALF 2026

Samantha Fu

Bib: 17136•F•Age: 33

Tustin, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Top 49%
Division (F30-34)
#0 / 651
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
9:47/mi
19:34
→ flat
4M
10:03/mi
39:40
↑ 67↓ 69
6M
10:53/mi
1:01:26
↑ 1231.1%
8M
11:20/mi
1:24:05
↑ 166↓ 531.1%
9.6M
11:20/mi
1:42:13
↑ 68↓ 1931.5%
10M
23:57/mi
1:51:47
↓ 241.1%
10.5M
6:08/mi
1:54:51
↓ 732.7%
12M
16:19/mi
2:19:19
↑ 2803.2%
Finish· 13.11 mi
11:03/mi
2:31:34
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:01:26
Pace10:14 /mi
2nd Half
Distance7.11 mi
Time1:30:08
Pace12:41 /mi
📊Positive Split: 46.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:02:3819:349:4719:34
9:47
-
4M
4.00 mi07:22:4439:409:5520:06
10:03
+0:16
6M
6.00 mi07:44:301:01:2610:1421:46
10:53
+0:50
8M
8.00 mi08:07:091:24:0510:3122:39
11:20
+0:27
9.6M
9.60 mi08:25:171:42:1310:3918:08
11:20
0:00
10M
10.00 mi08:34:511:51:4711:119:34
23:57
+12:37
10.5M
10.50 mi08:37:551:54:5110:563:04
6:08
-17:49
12M
12.00 mi09:02:232:19:1911:3724:28
16:19
+10:11
Finish
13.11 mi09:14:382:31:3411:3412:15
11:03
-5:16

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

6:08 /mi

Average Pace

11:34 /mi

Slowest Pace

23:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04

2% of race

Time at Steady Pace

1:54:28

76% of race

Time at Slower Pace

34:02

22% of race

Average Pace: 11:34 /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 mi07:02:3819:349:4719:34
9:47
#2698
4M
4.00 mi07:22:4439:409:5520:06
10:03
#2731
6M
6.00 mi07:44:301:01:2610:1421:46
10:53
#3140
8M
8.00 mi08:07:091:24:0510:3122:39
11:20
#3329
9.6M
9.60 mi08:25:171:42:1310:3918:08
11:20
#3698
10M
10.00 mi08:34:511:51:4711:119:34
23:57
#3835
10.5M
10.50 mi08:37:551:54:5110:563:04
6:08
#3886
12M
12.00 mi09:02:232:19:1911:3724:28
16:19
#3990
Finish
13.11 mi09:14:382:31:3411:3412:15
11:03
#3983
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 81%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:38

Segment Time

14:02/mi

Pace

0.90 mi

Distance

Overall

5322

Women

2207

Division

514

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi26988051824442(Top 68%)1740(Top 59%)398(Top 61%)
4M4.00 mi2.00 mi2731-33833-28189-72883(Top 44%)890(Top 30%)200(Top 31%)
6M6.00 mi2.00 mi3140-409999-166223-343756(Top 57%)1292(Top 44%)292(Top 45%)
8M8.00 mi2.00 mi3329-1891081-82250-273895(Top 59%)1350(Top 46%)314(Top 48%)
9.6M9.60 mi1.60 mi3698-3691262-181289-395322(Top 81%)2236(Top 76%)512(Top 79%)
10M10.00 mi0.40 mi3835-1371343-81307-185328(Top 81%)2223(Top 76%)511(Top 78%)
10.5M10.50 mi0.50 mi3886-511364-21319-125516(Top 84%)2315(Top 79%)530(Top 81%)
12M12.00 mi1.50 mi3990-1041430-66332-134442(Top 68%)1740(Top 59%)398(Top 61%)
Finish13.11 mi1.11 mi3983+71431-1334-24065(Top 62%)1535(Top 52%)357(Top 55%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 68%
~flat
+5ft-3ft

Overall

4442

Females

1740

F30-34

400

2M→4M

2.0 - 4.0 mi

Top 44%
×4story building
+67ft-69ft

Overall

2883

Females

890

F30-34

203

4M→6M

4.0 - 6.0 mi

Top 57%
×9story building
+123ft-9ft

Overall

3756

Females

1292

F30-34

294

6M→8M

6.0 - 8.0 mi

Top 59%
×12story building
+166ft-53ft

Overall

3895

Females

1350

F30-34

316

8M→9.6M

8.0 - 9.6 mi

Top 81%
×13story building
+68ft-193ft

Overall

5322

Females

2236

F30-34

514

9.6M→10M

9.6 - 10.0 mi

Top 81%
×2story building
+0ft-24ft

Overall

5328

Females

2223

F30-34

513

10M→10.5M

10.0 - 10.5 mi

Top 84%
×6story building
+1ft-73ft

Overall

5516

Females

2315

F30-34

532

10.5M→12M

10.5 - 12.0 mi

Top 68%
×21story building
+280ft-26ft

Overall

4442

Females

1740

F30-34

400

12M→Finish

12.0 - 13.1 mi

Top 62%
×7story building
+14ft-89ft

Overall

4065

Females

1535

F30-34

357

Passing Analysis

Category:
Athletes Passed
355*
Passed By
1640
Net Change
-1285
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2698
2M → 4M138171-33#2698#2731
4M → 6M21430-409#2731#3140
6M → 8M61*250-189#3140#3329
8M → 9.6M3372-369#3329#3698
9.6M → 10M19156-137#3698#3835
10M → 10.5M455-51#3835#3886
10.5M → 12M48*152-104#3886#3990
12M → Finish61*54+7#3990#3983
TOTALS355*1640-1285

* 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