San Francisco Marathon logo
SF MARATHON 1ST HALF 2026

Dominic D'Costa

Bib: 13026•M•Age: 34

SF, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6575
Top 8%
Gender (Male)
#0 / 3619
Top 12%
Division (M30-34)
#0 / 772
Top 13%
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
7:08/mi
14:16
→ flat
4M
7:26/mi
29:08
↑ 67↓ 69
6M
7:58/mi
45:04
↑ 1231.1%
8M
9:24/mi
1:03:52
↑ 166↓ 531.1%
9.6M
6:39/mi
1:14:30
↑ 68↓ 1931.5%
10M
17:04/mi
1:21:19
↓ 241.1%
10.5M
3:52/mi
1:23:15
↓ 732.7%
12M
12:27/mi
1:41:56
↑ 2803.2%
Finish· 13.11 mi
7:50/mi
1:50:37
↑ 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
Time45:04
Pace7:31 /mi
2nd Half
Distance7.11 mi
Time1:05:33
Pace9:13 /mi
📊Positive Split: 45.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:44:4314:167:0814:16
7:08
-
4M
4.00 mi06:59:3529:087:1714:52
7:26
+0:18
6M
6.00 mi07:15:3145:047:3115:56
7:58
+0:32
8M
8.00 mi07:34:191:03:527:5918:48
9:24
+1:26
9.6M
9.60 mi07:44:571:14:307:4610:38
6:39
-2:45
10M
10.00 mi07:51:461:21:198:086:49
17:04
+10:25
10.5M
10.50 mi07:53:421:23:157:561:56
3:52
-13:12
12M
12.00 mi08:12:231:41:568:3018:41
12:27
+8:35
Finish
13.11 mi08:21:041:50:378:268:41
7:50
-4:37

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

3:52 /mi

Average Pace

8:26 /mi

Slowest Pace

17:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56

2% of race

Time at Steady Pace

1:23:11

75% of race

Time at Slower Pace

25:30

23% of race

Average Pace: 8:26 /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 mi06:44:4314:167:0814:16
7:08
#139
4M
4.00 mi06:59:3529:087:1714:52
7:26
#151
6M
6.00 mi07:15:3145:047:3115:56
7:58
#206
8M
8.00 mi07:34:191:03:527:5918:48
9:24
#421
9.6M
9.60 mi07:44:571:14:307:4610:38
6:39
#375
10M
10.00 mi07:51:461:21:198:086:49
17:04
#430
10.5M
10.50 mi07:53:421:23:157:561:56
3:52
#427
12M
12.00 mi08:12:231:41:568:3018:41
12:27
#559
Finish
13.11 mi08:21:041:50:378:268:41
7:50
#519
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 21%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:45

Segment Time

9:43/mi

Pace

0.90 mi

Distance

Overall

1402

Men

1077

Division

245

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi2.00 mi139128281529(Top 23%)1120(Top 31%)252(Top 33%)
4M4.00 mi2.00 mi151-12138-1029-1174(Top 3%)158(Top 4%)32(Top 4%)
6M6.00 mi2.00 mi206-55184-4641-12460(Top 7%)388(Top 11%)81(Top 10%)
8M8.00 mi2.00 mi421-215360-17677-361680(Top 26%)1284(Top 35%)281(Top 36%)
9.6M9.60 mi1.60 mi375+46318+4268+9433(Top 7%)331(Top 9%)82(Top 11%)
10M10.00 mi0.40 mi430-55361-4378-101837(Top 28%)1335(Top 37%)297(Top 38%)
10.5M10.50 mi0.50 mi427+3358+377+1435(Top 7%)374(Top 10%)79(Top 10%)
12M12.00 mi1.50 mi559-132463-105102-251529(Top 23%)1120(Top 31%)252(Top 33%)
Finish13.11 mi1.11 mi519+40436+2797+5469(Top 7%)395(Top 11%)87(Top 11%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 23%
~flat
+5ft-3ft

Overall

1529

Males

1120

M30-34

253

2M→4M

2.0 - 4.0 mi

Top 3%
×4story building
+67ft-69ft

Overall

174

Males

158

M30-34

33

4M→6M

4.0 - 6.0 mi

Top 7%
×9story building
+123ft-9ft

Overall

460

Males

388

M30-34

82

6M→8M

6.0 - 8.0 mi

Top 26%
×12story building
+166ft-53ft

Overall

1680

Males

1284

M30-34

282

8M→9.6M

8.0 - 9.6 mi

Top 7%
×13story building
+68ft-193ft

Overall

433

Males

331

M30-34

83

9.6M→10M

9.6 - 10.0 mi

Top 28%
×2story building
+0ft-24ft

Overall

1837

Males

1335

M30-34

298

10M→10.5M

10.0 - 10.5 mi

Top 7%
×6story building
+1ft-73ft

Overall

435

Males

374

M30-34

80

10.5M→12M

10.5 - 12.0 mi

Top 23%
×21story building
+280ft-26ft

Overall

1529

Males

1120

M30-34

253

12M→Finish

12.0 - 13.1 mi

Top 7%
×7story building
+14ft-89ft

Overall

469

Males

395

M30-34

87

Passing Analysis

Category:
Athletes Passed
119*
Passed By
499
Net Change
-380
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#139
2M → 4M517-12#139#151
4M → 6M257-55#151#206
6M → 8M1216-215#206#421
8M → 9.6M6216+46#421#375
9.6M → 10M156-55#375#430
10M → 10.5M30+3#430#427
10.5M → 12M4136-132#427#559
12M → Finish41*1+40#559#519
TOTALS119*499-380

* 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