San Francisco Marathon logo
SF MARATHON 1ST HALF 2026

Claudia Alfaro Lopez

Fremont, CA

Bib: 15698 F 32

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F30-34)
#0 / 651
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
2M
11:05/mi
22:11
→ flat
12 ft elev
4M
11:20/mi
44:50
↑ 67↓ 69
10 ft elev
6M
11:25/mi
1:07:41
↑ 1231.1%
126 ft elev
8M
13:39/mi
1:34:59
↑ 166↓ 531.1%
246 ft elev
9.6M
9:26/mi
1:50:04
↑ 68↓ 1931.5%
126 ft elev
10M
24:02/mi
1:59:40
↓ 241.1%
90 ft elev
10.5M
7:00/mi
2:03:10
↓ 732.7%
18 ft elev
12M
15:22/mi
2:26:13
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
11:11/mi
2:38:37
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:07:4111:17 /mi⚡ faster
2nd Half
1:30:5612:47 /mi+34.4%
Positive split — 34.4% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2M
22:1111:052.00 mi22:11
11:05
-
4M
44:5011:132.00 mi22:39
11:20
+0:15
6M
1:07:4111:172.00 mi22:51
11:25
+0:05
8M
1:34:5911:522.00 mi27:18
13:39
+2:14
9.6M
1:50:0411:281.60 mi15:05
9:26
-4:13
10M
1:59:4011:580.40 mi9:36
24:02
+14:36
10.5M
2:03:1011:440.50 mi3:30
7:00
-17:02
12M
2:26:1312:111.50 mi23:03
15:22
+8:22
Finish(13.11 mi)
2:38:3712:061.11 mi12:24
11:11
-4:11
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:00 /mi

Average Pace

12:06 /mi

Slowest Pace

24:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:30

2% of race

Time at Steady Pace

1:35:10

60% of race

Time at Slower Pace

59:57

38% of race

Average Pace: 12:06 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower
Featured Segment

Garmin Challenge

Top 85%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

13:06

Segment Time

14:34/mi

Pace

0.90 mi

Distance

Overall

5583

Women

2360

Division

547

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi4851185843238041412319
4M2.00 mi4742+1091787+71411+2146481761412
6M2.00 mi4602+1401711+76396+1544211634389
8M2.00 mi5087-4851972-261463-6758092416559
9.6M1.60 mi4807+2801833+139425+3832821237282
10M0.40 mi4876-691871-38437-1253612240514
10.5M0.50 mi4943-671912-41447-1061562693611
12M1.50 mi4710+2331803+109421+2638041412319
Finish(13.11 mi)1.11 mi4634+761765+38416+542171617375

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 58%
~flat
+5ft-3ft

Overall

3804

Females

1412

F30-34

321

2M→4M

2.0 - 4.0 mi

Top 71%
×4story building
+67ft-69ft

Overall

4648

Females

1761

F30-34

415

4M→6M

4.0 - 6.0 mi

Top 67%
×9story building
+123ft-9ft

Overall

4421

Females

1634

F30-34

391

6M→8M

6.0 - 8.0 mi

Top 88%
×12story building
+166ft-53ft

Overall

5809

Females

2416

F30-34

561

8M→9.6M

8.0 - 9.6 mi

Top 50%
×13story building
+68ft-193ft

Overall

3282

Females

1237

F30-34

284

9.6M→10M

9.6 - 10.0 mi

Top 82%
×2story building
+0ft-24ft

Overall

5361

Females

2240

F30-34

516

10M→10.5M

10.0 - 10.5 mi

Top 94%
×6story building
+1ft-73ft

Overall

6156

Females

2693

F30-34

613

10.5M→12M

10.5 - 12.0 mi

Top 58%
×21story building
+280ft-26ft

Overall

3804

Females

1412

F30-34

321

12M→Finish

12.0 - 13.1 mi

Top 64%
×7story building
+14ft-89ft

Overall

4217

Females

1617

F30-34

375

Passing Analysis

Category:
Passed
1146*
Passed By
929
Net Change
+217
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4851
2M → 4M250141+109#4851#4742
4M → 6M194*54+140#4742#4602
6M → 8M21*506-485#4602#5087
8M → 9.6M30727+280#5087#4807
9.6M → 10M2291-69#4807#4876
10M → 10.5M067-67#4876#4943
10.5M → 12M264*31+233#4943#4710
12M → Finish88*12+76#4710#4634
TOTALS1146*929+217

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Charts

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events