San Francisco Marathon logo
SF MARATHON 1ST HALF 2026

Stella Stark

Bib: 20836•F•Age: 23

SF, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6575
Gender (Female)
#0 / 2930
F20-29
#0 / 353
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
12:07/mi
24:15
→ flat
4M
13:00/mi
50:15
↑ 67↓ 69
6M
13:44/mi
1:17:43
↑ 1231.1%
8M
16:32/mi
1:50:47
↑ 166↓ 531.1%
9.6M
13:38/mi
2:12:36
↑ 68↓ 1931.5%
10M
29:57/mi
2:24:34
↓ 241.1%
10.5M
7:36/mi
2:28:22
↓ 732.7%
12M
19:49/mi
2:58:05
↑ 2803.2%
Finish· 13.11 mi
15:06/mi
3:14:50
↑ 14↓ 891.3%

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:17:43
Pace12:57 /mi
2nd Half
Distance7.11 mi
Time1:57:07
Pace16:28 /mi
📊Positive Split: 50.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:14:5324:1512:0724:15
12:07
-
4M
4.00 mi07:40:5350:1512:3426:00
13:00
+0:53
6M
6.00 mi08:08:211:17:4312:5727:28
13:44
+0:44
8M
8.00 mi08:41:251:50:4713:5133:04
16:32
+2:48
9.6M
9.60 mi09:03:142:12:3613:4921:49
13:38
-2:54
10M
10.00 mi09:15:122:24:3414:2711:58
29:57
+16:19
10.5M
10.50 mi09:19:002:28:2214:083:48
7:36
-22:21
12M
12.00 mi09:48:432:58:0514:5029:43
19:49
+12:13
Finish
13.11 mi10:05:283:14:5014:5216:45
15:06
-4:43

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

7:36 /mi

Average Pace

14:52 /mi

Slowest Pace

29:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:48

2% of race

Time at Steady Pace

2:29:21

77% of race

Time at Slower Pace

41:41

21% of race

Average Pace: 14:52 /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 mi07:14:5324:1512:0724:15
12:07
#5974
4M
4.00 mi07:40:5350:1512:3426:00
13:00
#6092
6M
6.00 mi08:08:211:17:4312:5727:28
13:44
#6168
8M
8.00 mi08:41:251:50:4713:5133:04
16:32
#6337
9.6M
9.60 mi09:03:142:12:3613:4921:49
13:38
#6396
10M
10.00 mi09:15:122:24:3414:2711:58
29:57
#6409
10.5M
10.50 mi09:19:002:28:2214:083:48
7:36
#6411
12M
12.00 mi09:48:432:58:0514:5029:43
19:49
#6376
Finish
13.11 mi10:05:283:14:5014:5216:45
15:06
#6361
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 97%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

15:46

Segment Time

17:31/mi

Pace

0.90 mi

Distance

Overall

6351

Women

2816

Division

346

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi2.00 mi597425323216114(Top 93%)2680(Top 91%)341(Top 97%)
4M4.00 mi2.00 mi6092-1182602-70335-146114(Top 93%)2620(Top 89%)333(Top 94%)
6M6.00 mi2.00 mi6168-762641-39334+16199(Top 94%)2666(Top 91%)339(Top 96%)
8M8.00 mi2.00 mi6337-1692756-115345-116497(Top 99%)2877(Top 98%)350(Top 99%)
9.6M9.60 mi1.60 mi6396-592807-51349-46423(Top 98%)2839(Top 97%)346(Top 98%)
10M10.00 mi0.40 mi6409-132815-83496372(Top 97%)2833(Top 97%)347(Top 98%)
10.5M10.50 mi0.50 mi6411-22816-13496348(Top 97%)2809(Top 96%)345(Top 98%)
12M12.00 mi1.50 mi6376+352797+19348+16114(Top 93%)2680(Top 91%)341(Top 97%)
Finish13.11 mi1.11 mi6361+152791+63486216(Top 95%)2743(Top 94%)339(Top 96%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 93%
~flat
+5ft-3ft

Overall

6114

Females

2680

F20-24

341

2M→4M

2.0 - 4.0 mi

Top 93%
×4story building
+67ft-69ft

Overall

6114

Females

2620

F20-24

334

4M→6M

4.0 - 6.0 mi

Top 94%
×9story building
+123ft-9ft

Overall

6199

Females

2666

F20-24

340

6M→8M

6.0 - 8.0 mi

Top 99%
×12story building
+166ft-53ft

Overall

6497

Females

2877

F20-24

350

8M→9.6M

8.0 - 9.6 mi

Top 98%
×13story building
+68ft-193ft

Overall

6423

Females

2839

F20-24

346

9.6M→10M

9.6 - 10.0 mi

Top 97%
×2story building
+0ft-24ft

Overall

6372

Females

2833

F20-24

347

10M→10.5M

10.0 - 10.5 mi

Top 97%
×6story building
+1ft-73ft

Overall

6348

Females

2809

F20-24

345

10.5M→12M

10.5 - 12.0 mi

Top 93%
×21story building
+280ft-26ft

Overall

6114

Females

2680

F20-24

341

12M→Finish

12.0 - 13.1 mi

Top 95%
×7story building
+14ft-89ft

Overall

6216

Females

2743

F20-24

339

Passing Analysis

Category:
Athletes Passed
206*
Passed By
593
Net Change
-387
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5974
2M → 4M76*194-118#5974#6092
4M → 6M45*121-76#6092#6168
6M → 8M5*174-169#6168#6337
8M → 9.6M11*70-59#6337#6396
9.6M → 10M518-13#6396#6409
10M → 10.5M24-2#6409#6411
10.5M → 12M41*6+35#6411#6376
12M → Finish21*6+15#6376#6361
TOTALS206*593-387

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

📊

Passing Visuals

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