San Francisco Marathon logo
SF MARATHON 1ST HALF 2026

Taylor Mazzacavallo

Bib: 17142•F•Age: 34

Salt Lake City, UT

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

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
10:42/mi
21:24
→ flat
4M
10:52/mi
43:07
↑ 67↓ 69
6M
11:37/mi
1:06:21
↑ 1231.1%
8M
11:16/mi
1:28:53
↑ 166↓ 531.1%
9.6M
11:16/mi
1:46:55
↑ 68↓ 1931.5%
10M
20:49/mi
1:55:14
↓ 241.1%
10.5M
5:22/mi
1:57:55
↓ 732.7%
12M
16:15/mi
2:22:17
↑ 2803.2%
Finish· 13.11 mi
11:34/mi
2:35:07
↑ 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
Time1:06:21
Pace11:04 /mi
2nd Half
Distance7.11 mi
Time1:28:46
Pace12:29 /mi
📊Positive Split: 33.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:10:5121:2410:4221:24
10:42
-
4M
4.00 mi07:32:3443:0710:4721:43
10:52
+0:10
6M
6.00 mi07:55:481:06:2111:0423:14
11:37
+0:45
8M
8.00 mi08:18:201:28:5311:0722:32
11:16
-0:21
9.6M
9.60 mi08:36:221:46:5511:0818:02
11:16
0:00
10M
10.00 mi08:44:411:55:1411:318:19
20:49
+9:33
10.5M
10.50 mi08:47:221:57:5511:142:41
5:22
-15:27
12M
12.00 mi09:11:442:22:1711:5124:22
16:15
+10:53
Finish
13.11 mi09:24:342:35:0711:5012:50
11:34
-4:41

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

5:22 /mi

Average Pace

11:50 /mi

Slowest Pace

20:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41

2% of race

Time at Steady Pace

1:59:45

77% of race

Time at Slower Pace

32:41

21% of race

Average Pace: 11:50 /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 mi07:10:5121:2410:4221:24
10:42
#4231
4M
4.00 mi07:32:3443:0710:4721:43
10:52
#4102
6M
6.00 mi07:55:481:06:2111:0423:14
11:37
#4256
8M
8.00 mi08:18:201:28:5311:0722:32
11:16
#4104
9.6M
9.60 mi08:36:221:46:5511:0818:02
11:16
#4356
10M
10.00 mi08:44:411:55:1411:318:19
20:49
#4294
10.5M
10.50 mi08:47:221:57:5511:142:41
5:22
#4279
12M
12.00 mi09:11:442:22:1711:5124:22
16:15
#4319
Finish
13.11 mi09:24:342:35:0711:5012:50
11:34
#4312
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 59%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:00

Segment Time

12:14/mi

Pace

0.90 mi

Distance

Overall

3880

Women

1406

Division

324

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi423115233524388(Top 67%)1707(Top 58%)391(Top 60%)
4M4.00 mi2.00 mi4102+1291453+70333+194036(Top 61%)1421(Top 48%)324(Top 50%)
6M6.00 mi2.00 mi4256-1541529-76353-204648(Top 71%)1736(Top 59%)411(Top 63%)
8M8.00 mi2.00 mi4104+1521435+94335+183831(Top 58%)1319(Top 45%)307(Top 47%)
9.6M9.60 mi1.60 mi4356-2521597-162379-445266(Top 80%)2208(Top 75%)505(Top 78%)
10M10.00 mi0.40 mi4294+621577+20373+63942(Top 60%)1457(Top 50%)333(Top 51%)
10.5M10.50 mi0.50 mi4279+151566+11370+34078(Top 62%)1498(Top 51%)340(Top 52%)
12M12.00 mi1.50 mi4319-401604-38373-34388(Top 67%)1707(Top 58%)391(Top 60%)
Finish13.11 mi1.11 mi4312+71602+2375-24572(Top 70%)1821(Top 62%)418(Top 64%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 67%
~flat
+5ft-3ft

Overall

4388

Females

1707

F30-34

393

2M→4M

2.0 - 4.0 mi

Top 61%
×4story building
+67ft-69ft

Overall

4036

Females

1421

F30-34

327

4M→6M

4.0 - 6.0 mi

Top 71%
×9story building
+123ft-9ft

Overall

4648

Females

1736

F30-34

414

6M→8M

6.0 - 8.0 mi

Top 58%
×12story building
+166ft-53ft

Overall

3831

Females

1319

F30-34

309

8M→9.6M

8.0 - 9.6 mi

Top 80%
×13story building
+68ft-193ft

Overall

5266

Females

2208

F30-34

507

9.6M→10M

9.6 - 10.0 mi

Top 60%
×2story building
+0ft-24ft

Overall

3942

Females

1457

F30-34

335

10M→10.5M

10.0 - 10.5 mi

Top 62%
×6story building
+1ft-73ft

Overall

4078

Females

1498

F30-34

342

10.5M→12M

10.5 - 12.0 mi

Top 67%
×21story building
+280ft-26ft

Overall

4388

Females

1707

F30-34

393

12M→Finish

12.0 - 13.1 mi

Top 70%
×7story building
+14ft-89ft

Overall

4572

Females

1821

F30-34

418

Passing Analysis

Category:
Athletes Passed
829*
Passed By
910
Net Change
-81
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4231
2M → 4M247118+129#4231#4102
4M → 6M62*216-154#4102#4256
6M → 8M249*97+152#4256#4104
8M → 9.6M24276-252#4104#4356
9.6M → 10M8422+62#4356#4294
10M → 10.5M216+15#4294#4279
10.5M → 12M80*120-40#4279#4319
12M → Finish62*55+7#4319#4312
TOTALS829*910-81

* 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