San Francisco Marathon logo
SF MARATHON 1ST HALF 2026

Ignacio Acosta

Bib: 18523•M•Age: 35

Riverside, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6575
Gender (Male)
#0 / 3619
Division (M35-39)
#0 / 582
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
11:28/mi
22:56
→ flat
4M
12:29/mi
47:54
↑ 67↓ 69
6M
11:59/mi
1:11:52
↑ 1231.1%
8M
11:51/mi
1:35:33
↑ 166↓ 531.1%
9.6M
11:51/mi
1:54:30
↑ 68↓ 1931.5%
10M
22:32/mi
2:03:30
↓ 241.1%
10.5M
6:02/mi
2:06:31
↓ 732.7%
12M
14:51/mi
2:28:47
↑ 2803.2%
Finish· 13.11 mi
14:51/mi
2:45:15
↑ 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
Time1:11:52
Pace11:59 /mi
2nd Half
Distance7.11 mi
Time1:33:23
Pace13:08 /mi
📊Positive Split: 29.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:12:4722:5611:2822:56
11:28
-
4M
4.00 mi07:37:4547:5411:5924:58
12:29
+1:01
6M
6.00 mi08:01:431:11:5211:5923:58
11:59
-0:30
8M
8.00 mi08:25:241:35:3311:5723:41
11:51
-0:08
9.6M
9.60 mi08:44:211:54:3011:5618:57
11:51
0:00
10M
10.00 mi08:53:212:03:3012:219:00
22:32
+10:41
10.5M
10.50 mi08:56:222:06:3112:033:01
6:02
-16:30
12M
12.00 mi09:18:382:28:4712:2422:16
14:51
+8:49
Finish
13.11 mi09:35:062:45:1512:3616:28
14:51
0:00

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

6:02 /mi

Average Pace

12:36 /mi

Slowest Pace

22:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:01

2% of race

Time at Steady Pace

1:54:30

69% of race

Time at Slower Pace

47:44

29% of race

Average Pace: 12:36 /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 mi07:12:4722:5611:2822:56
11:28
#5383
4M
4.00 mi07:37:4547:5411:5924:58
12:29
#5654
6M
6.00 mi08:01:431:11:5211:5923:58
11:59
#5427
8M
8.00 mi08:25:241:35:3311:5723:41
11:51
#5172
9.6M
9.60 mi08:44:211:54:3011:5618:57
11:51
#5324
10M
10.00 mi08:53:212:03:3012:219:00
22:32
#5293
10.5M
10.50 mi08:56:222:06:3112:033:01
6:02
#5296
12M
12.00 mi09:18:382:28:4712:2422:16
14:51
#4932
Finish
13.11 mi09:35:062:45:1512:3616:28
14:51
#5157
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 74%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:01

Segment Time

13:21/mi

Pace

0.90 mi

Distance

Overall

4861

Men

2894

Division

487

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi538331935233428(Top 52%)2182(Top 60%)373(Top 64%)
4M4.00 mi2.00 mi5654-2713304-111534-115829(Top 89%)3351(Top 93%)544(Top 93%)
6M6.00 mi2.00 mi5427+2273224+80527+75060(Top 77%)3072(Top 85%)499(Top 86%)
8M8.00 mi2.00 mi5172+2553134+90518+94415(Top 67%)2798(Top 77%)469(Top 81%)
9.6M9.60 mi1.60 mi5324-1523181-47521-35716(Top 87%)3252(Top 90%)529(Top 91%)
10M10.00 mi0.40 mi5293+313167+14518+34773(Top 73%)2840(Top 78%)467(Top 80%)
10.5M10.50 mi0.50 mi5296-33167517+15411(Top 82%)3141(Top 87%)522(Top 90%)
12M12.00 mi1.50 mi4932+3642987+180495+223428(Top 52%)2182(Top 60%)373(Top 64%)
Finish13.11 mi1.11 mi5157-2253082-95508-136162(Top 94%)3429(Top 95%)555(Top 95%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 52%
~flat
+5ft-3ft

Overall

3428

Males

2182

M35-39

373

2M→4M

2.0 - 4.0 mi

Top 89%
×4story building
+67ft-69ft

Overall

5829

Males

3351

M35-39

544

4M→6M

4.0 - 6.0 mi

Top 77%
×9story building
+123ft-9ft

Overall

5060

Males

3072

M35-39

499

6M→8M

6.0 - 8.0 mi

Top 67%
×12story building
+166ft-53ft

Overall

4415

Males

2798

M35-39

469

8M→9.6M

8.0 - 9.6 mi

Top 87%
×13story building
+68ft-193ft

Overall

5716

Males

3252

M35-39

529

9.6M→10M

9.6 - 10.0 mi

Top 73%
×2story building
+0ft-24ft

Overall

4773

Males

2840

M35-39

467

10M→10.5M

10.0 - 10.5 mi

Top 82%
×6story building
+1ft-73ft

Overall

5411

Males

3141

M35-39

522

10.5M→12M

10.5 - 12.0 mi

Top 52%
×21story building
+280ft-26ft

Overall

3428

Males

2182

M35-39

373

12M→Finish

12.0 - 13.1 mi

Top 94%
×7story building
+14ft-89ft

Overall

6162

Males

3429

M35-39

555

Passing Analysis

Category:
Athletes Passed
1106*
Passed By
880
Net Change
+226
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5383
2M → 4M44315-271#5383#5654
4M → 6M254*27+227#5654#5427
6M → 8M278*23+255#5427#5172
8M → 9.6M43195-152#5172#5324
9.6M → 10M5827+31#5324#5293
10M → 10.5M1013-3#5293#5296
10.5M → 12M393*29+364#5296#4932
12M → Finish26*251-225#4932#5157
TOTALS1106*880+226

* 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