San Francisco Marathon logo
SF MARATHON 1ST HALF 2026

Matthew Gong

Bib: 19564•M•Age: 24

Mountain View, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6575
Gender (Male)
#0 / 3619
M20-29
#0 / 358
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
10:33/mi
21:07
→ flat
4M
10:42/mi
42:30
↑ 67↓ 69
6M
10:42/mi
1:03:55
↑ 1231.1%
8M
10:48/mi
1:25:32
↑ 166↓ 531.1%
9.6M
10:48/mi
1:42:49
↑ 68↓ 1931.5%
10M
20:19/mi
1:50:56
↓ 241.1%
10.5M
5:48/mi
1:53:50
↓ 732.7%
12M
14:46/mi
2:15:59
↑ 2803.2%
Finish· 13.11 mi
11:46/mi
2:29:02
↑ 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
Time1:03:55
Pace10:39 /mi
2nd Half
Distance7.11 mi
Time1:25:07
Pace11:58 /mi
📊Positive Split: 33.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:07:1721:0710:3321:07
10:33
-
4M
4.00 mi07:28:4042:3010:3821:23
10:42
+0:09
6M
6.00 mi07:50:051:03:5510:3921:25
10:42
0:00
8M
8.00 mi08:11:421:25:3210:4121:37
10:48
+0:06
9.6M
9.60 mi08:28:591:42:4910:4317:17
10:48
0:00
10M
10.00 mi08:37:061:50:5611:068:07
20:19
+9:31
10.5M
10.50 mi08:40:001:53:5010:502:54
5:48
-14:31
12M
12.00 mi09:02:092:15:5911:2022:09
14:46
+8:58
Finish
13.11 mi09:15:122:29:0211:2213:03
11:46
-3:00

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

5:48 /mi

Average Pace

11:22 /mi

Slowest Pace

20:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:54

2% of race

Time at Steady Pace

1:55:52

78% of race

Time at Slower Pace

30:16

20% of race

Average Pace: 11:22 /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 mi07:07:1721:0710:3321:07
10:33
#4021
4M
4.00 mi07:28:4042:3010:3821:23
10:42
#3878
6M
6.00 mi07:50:051:03:5510:3921:25
10:42
#3715
8M
8.00 mi08:11:421:25:3210:4121:37
10:48
#3557
9.6M
9.60 mi08:28:591:42:4910:4317:17
10:48
#3764
10M
10.00 mi08:37:061:50:5611:068:07
20:19
#3735
10.5M
10.50 mi08:40:001:53:5010:502:54
5:48
#3756
12M
12.00 mi09:02:092:15:5911:2022:09
14:46
#3675
Finish
13.11 mi09:15:122:29:0211:2213:03
11:46
#3756
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

11:01

Segment Time

12:15/mi

Pace

0.90 mi

Distance

Overall

3899

Men

2464

Division

261

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi2.00 mi402125932893359(Top 51%)2149(Top 59%)241(Top 67%)
4M4.00 mi2.00 mi3878+1432527+662893829(Top 58%)2493(Top 69%)284(Top 79%)
6M6.00 mi2.00 mi3715+1632429+98281+83569(Top 54%)2357(Top 65%)281(Top 78%)
8M8.00 mi2.00 mi3557+1582356+73271+103305(Top 50%)2233(Top 62%)250(Top 70%)
9.6M9.60 mi1.60 mi3764-2072456-100281-104834(Top 74%)2831(Top 78%)305(Top 85%)
10M10.00 mi0.40 mi3735+292434+22277+43634(Top 55%)2312(Top 64%)247(Top 69%)
10.5M10.50 mi0.50 mi3756-212443-9278-15002(Top 76%)2971(Top 82%)314(Top 88%)
12M12.00 mi1.50 mi3675+812394+49271+73359(Top 51%)2149(Top 59%)241(Top 67%)
Finish13.11 mi1.11 mi3756-812438-44272-14738(Top 72%)2796(Top 77%)309(Top 86%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 51%
~flat
+5ft-3ft

Overall

3359

Males

2149

M20-24

242

2M→4M

2.0 - 4.0 mi

Top 58%
×4story building
+67ft-69ft

Overall

3829

Males

2493

M20-24

286

4M→6M

4.0 - 6.0 mi

Top 54%
×9story building
+123ft-9ft

Overall

3569

Males

2357

M20-24

284

6M→8M

6.0 - 8.0 mi

Top 50%
×12story building
+166ft-53ft

Overall

3305

Males

2233

M20-24

251

8M→9.6M

8.0 - 9.6 mi

Top 74%
×13story building
+68ft-193ft

Overall

4834

Males

2831

M20-24

306

9.6M→10M

9.6 - 10.0 mi

Top 55%
×2story building
+0ft-24ft

Overall

3634

Males

2312

M20-24

248

10M→10.5M

10.0 - 10.5 mi

Top 76%
×6story building
+1ft-73ft

Overall

5002

Males

2971

M20-24

315

10.5M→12M

10.5 - 12.0 mi

Top 51%
×21story building
+280ft-26ft

Overall

3359

Males

2149

M20-24

242

12M→Finish

12.0 - 13.1 mi

Top 72%
×7story building
+14ft-89ft

Overall

4738

Males

2796

M20-24

309

Passing Analysis

Category:
Athletes Passed
927*
Passed By
662
Net Change
+265
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4021
2M → 4M244101+143#4021#3878
4M → 6M211*48+163#3878#3715
6M → 8M225*67+158#3715#3557
8M → 9.6M22229-207#3557#3764
9.6M → 10M5728+29#3764#3735
10M → 10.5M425-21#3735#3756
10.5M → 12M129*48+81#3756#3675
12M → Finish35*116-81#3675#3756
TOTALS927*662+265

* 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