San Francisco Marathon logo
SF MARATHON 1ST HALF 2026

Zachary Zaharoff

Menlo Park, CA

Bib: 17120 M 36

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6575
Top 48%
Gender (Male)
#0 / 3619
Division (M35-39)
#0 / 582
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
9:24/mi
18:49
→ flat
4M
9:53/mi
38:34
↑ 67↓ 69
6M
10:32/mi
59:38
↑ 123
8M
11:20/mi
1:22:18
↑ 166↓ 53
9.6M
8:11/mi
1:35:23
↑ 68↓ 193
10.26M
11:37/mi
1:43:03
↓ 114
10.5M
11:11/mi
1:45:44
→ flat
12M
15:13/mi
2:08:34
↑ 280
Finish· 13.11 mi
12:24/mi
2:22:19
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
59:389:56 /mi⚡ faster
2nd Half
1:22:4111:38 /mi+38.7%
Positive split — 38.7% 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
18:499:242.00 mi18:49
9:24
-
4M
38:349:392.00 mi19:45
9:53
+0:29
6M
59:389:562.00 mi21:04
10:32
+0:39
8M
1:22:1810:172.00 mi22:40
11:20
+0:48
9.6M
1:35:239:561.60 mi13:05
8:11
-3:09
10.26M
1:43:0310:030.66 mi7:40
11:37
+3:26
10.5M
1:45:4410:040.24 mi2:41
11:11
-0:26
12M
2:08:3410:431.50 mi22:50
15:13
+4:02
Finish(13.11 mi)
2:22:1910:511.11 mi13:45
12:24
-2:49
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:11 /mi

Average Pace

10:51 /mi

Slowest Pace

15:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

51:39

36% of race

Time at Steady Pace

54:05

38% of race

Time at Slower Pace

36:35

26% of race

Average Pace: 10:51 /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 48%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:21

Segment Time

11:30/mi

Pace

0.90 mi

Distance

Overall

3187

Men

2104

Division

357

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2118153625736992325395
4M2.00 mi2363-2451687-151286-2926161828320
6M2.00 mi2673-3101863-176316-3033632243375
8M2.00 mi3030-3572094-231353-3739012531427
9.6M1.60 mi2763+2671911+183323+3017191143191
10.26M0.66 mi2750+131895+16322+130682036345
10.5M0.24 mi2781-311916-21329-740702561423
12M1.50 mi2946-1652006-90344-1536992325395
Finish(13.11 mi)1.11 mi3162-2162120-114356-1251962988485

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 56%
~flat
+5ft-3ft

Overall

3699

Males

2325

M35-39

395

2M→4M

2.0 - 4.0 mi

Top 40%
×4story building
+67ft-69ft

Overall

2616

Males

1828

M35-39

320

4M→6M

4.0 - 6.0 mi

Top 51%
×9story building
+123ft-9ft

Overall

3363

Males

2243

M35-39

375

6M→8M

6.0 - 8.0 mi

Top 59%
×12story building
+166ft-53ft

Overall

3901

Males

2531

M35-39

427

8M→9.6M

8.0 - 9.6 mi

Top 26%
×13story building
+68ft-193ft

Overall

1719

Males

1143

M35-39

191

9.6M→10.26M

9.6 - 10.3 mi

Top 47%
×9story building
+0ft-114ft

Overall

3068

Males

2036

M35-39

345

10.26M→10.5M

10.3 - 10.5 mi

Top 62%
~flat
+1ft-0ft

Overall

4070

Males

2561

M35-39

423

10.5M→12M

10.5 - 12.0 mi

Top 56%
×21story building
+280ft-26ft

Overall

3699

Males

2325

M35-39

395

12M→Finish

12.0 - 13.1 mi

Top 79%
×7story building
+14ft-89ft

Overall

5196

Males

2988

M35-39

485

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#2118
2M → 4M
28944-245
#2118 → #2363
4M → 6M
33222-310
#2363 → #2673
6M → 8M
39033*-357
#2673 → #3030
8M → 9.6M
33300+267
#3030 → #2763
9.6M → 10.26M
2841+13
#2763 → #2750
10.26M → 10.5M
321-31
#2750 → #2781
10.5M → 12M
19530-165
#2781 → #2946
12M → Finish
23822*-216
#2946 → #3162
TOTALS
1537493*-1044
#2118 → #3162

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

Passing Visualized

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