San Francisco Marathon logo
SF MARATHON 1ST HALF 2026

Julie Biondi

Bib: 17265•F•Age: 44

SAUSALITO, CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 6575
Gender (Female)
#0 / 2930
Top 39%
Masters (Masters Women)
#0 / 781
Top 31%
Division (F40-44)
#0 / 255
Top 34%
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
10:26/mi
20:53
→ flat
4M
10:28/mi
41:48
↑ 67↓ 69
6M
10:52/mi
1:03:33
↑ 1231.1%
8M
10:22/mi
1:24:17
↑ 166↓ 531.1%
9.6M
10:22/mi
1:40:53
↑ 68↓ 1931.5%
10M
20:39/mi
1:49:08
↓ 241.1%
10.5M
5:00/mi
1:51:38
↓ 732.7%
12M
15:04/mi
2:14:14
↑ 2803.2%
Finish· 13.11 mi
10:01/mi
2:25:21
↑ 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
Time1:03:33
Pace10:36 /mi
2nd Half
Distance7.11 mi
Time1:21:48
Pace11:30 /mi
📊Positive Split: 28.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:04:4320:5310:2620:53
10:26
-
4M
4.00 mi07:25:3841:4810:2720:55
10:28
+0:02
6M
6.00 mi07:47:231:03:3310:3621:45
10:52
+0:24
8M
8.00 mi08:08:071:24:1710:3220:44
10:22
-0:30
9.6M
9.60 mi08:24:431:40:5310:3116:36
10:22
0:00
10M
10.00 mi08:32:581:49:0810:558:15
20:39
+10:17
10.5M
10.50 mi08:35:281:51:3810:382:30
5:00
-15:39
12M
12.00 mi08:58:042:14:1411:1122:36
15:04
+10:04
Finish
13.11 mi09:09:112:25:2111:0511:07
10:01
-5:03

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

5:00 /mi

Average Pace

11:05 /mi

Slowest Pace

20:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30

2% of race

Time at Steady Pace

1:52:00

77% of race

Time at Slower Pace

30:51

21% of race

Average Pace: 11:05 /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 mi07:04:4320:5310:2620:53
10:26
#3813
4M
4.00 mi07:25:3841:4810:2720:55
10:28
#3616
6M
6.00 mi07:47:231:03:3310:3621:45
10:52
#3634
8M
8.00 mi08:08:071:24:1710:3220:44
10:22
#3357
9.6M
9.60 mi08:24:431:40:5310:3116:36
10:22
#3517
10M
10.00 mi08:32:581:49:0810:558:15
20:39
#3530
10.5M
10.50 mi08:35:281:51:3810:382:30
5:00
#3523
12M
12.00 mi08:58:042:14:1411:1122:36
15:04
#3506
Finish
13.11 mi09:09:112:25:2111:0511:07
10:01
#3438
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 55%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:45

Segment Time

11:57/mi

Pace

0.90 mi

Distance

Overall

3598

Women

1278

Division

99

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
2M2.00 mi2.00 mi381313141113597(Top 55%)1317(Top 45%)95(Top 37%)
4M4.00 mi2.00 mi3616+1971223+9197+143465(Top 53%)1156(Top 39%)91(Top 36%)
6M6.00 mi2.00 mi3634-181243-20973738(Top 57%)1284(Top 44%)96(Top 38%)
8M8.00 mi2.00 mi3357+2771099+14484+132808(Top 43%)823(Top 28%)62(Top 24%)
9.6M9.60 mi1.60 mi3517-1601176-7789-54414(Top 67%)1771(Top 60%)132(Top 52%)
10M10.00 mi0.40 mi3530-131184-890-13834(Top 58%)1398(Top 48%)107(Top 42%)
10.5M10.50 mi0.50 mi3523+71185-189+13167(Top 48%)1058(Top 36%)86(Top 34%)
12M12.00 mi1.50 mi3506+171185893597(Top 55%)1317(Top 45%)95(Top 37%)
Finish13.11 mi1.11 mi3438+681156+2986+32886(Top 44%)962(Top 33%)61(Top 24%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 55%
~flat
+5ft-3ft

Overall

3597

Females

1317

F40-44

96

2M→4M

2.0 - 4.0 mi

Top 53%
×4story building
+67ft-69ft

Overall

3465

Females

1156

F40-44

92

4M→6M

4.0 - 6.0 mi

Top 57%
×9story building
+123ft-9ft

Overall

3738

Females

1284

F40-44

97

6M→8M

6.0 - 8.0 mi

Top 43%
×12story building
+166ft-53ft

Overall

2808

Females

823

F40-44

63

8M→9.6M

8.0 - 9.6 mi

Top 67%
×13story building
+68ft-193ft

Overall

4414

Females

1771

F40-44

133

9.6M→10M

9.6 - 10.0 mi

Top 58%
×2story building
+0ft-24ft

Overall

3834

Females

1398

F40-44

108

10M→10.5M

10.0 - 10.5 mi

Top 48%
×6story building
+1ft-73ft

Overall

3167

Females

1058

F40-44

87

10.5M→12M

10.5 - 12.0 mi

Top 55%
×21story building
+280ft-26ft

Overall

3597

Females

1317

F40-44

96

12M→Finish

12.0 - 13.1 mi

Top 44%
×7story building
+14ft-89ft

Overall

2886

Females

962

F40-44

61

Passing Analysis

Category:
Athletes Passed
943*
Passed By
568
Net Change
+375
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3813
2M → 4M26871+197#3813#3616
4M → 6M122*140-18#3616#3634
6M → 8M306*29+277#3634#3357
8M → 9.6M29189-160#3357#3517
9.6M → 10M3649-13#3517#3530
10M → 10.5M158+7#3530#3523
10.5M → 12M9174+17#3523#3506
12M → Finish76*8+68#3506#3438
TOTALS943*568+375

* 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