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SF MARATHON 1ST HALF 2026

Sylvia Vallejo

Bib: 18270•F•Age: 35

Merced, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F35-39)
#0 / 388
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
11:07/mi
22:14
→ flat
4M
11:38/mi
45:30
↑ 67↓ 69
6M
12:05/mi
1:09:40
↑ 1231.1%
8M
13:42/mi
1:37:05
↑ 166↓ 531.1%
9.6M
13:42/mi
1:59:01
↑ 68↓ 1931.5%
10M
21:21/mi
2:07:33
↓ 241.1%
10.5M
5:56/mi
2:10:31
↓ 732.7%
12M
17:33/mi
2:36:50
↑ 2803.2%
Finish· 13.11 mi
12:36/mi
2:50:48
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:09:40
Pace11:37 /mi
2nd Half
Distance7.11 mi
Time1:41:08
Pace14:14 /mi
📊Positive Split: 45.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:09:4622:1411:0722:14
11:07
-
4M
4.00 mi07:33:0245:3011:2323:16
11:38
+0:31
6M
6.00 mi07:57:121:09:4011:3724:10
12:05
+0:27
8M
8.00 mi08:24:371:37:0512:0827:25
13:42
+1:37
9.6M
9.60 mi08:46:331:59:0112:2421:56
13:42
0:00
10M
10.00 mi08:55:052:07:3312:458:32
21:21
+7:39
10.5M
10.50 mi08:58:032:10:3112:262:58
5:56
-15:25
12M
12.00 mi09:24:222:36:5013:0426:19
17:33
+11:37
Finish
13.11 mi09:38:202:50:4813:0213:58
12:36
-4:57

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

5:56 /mi

Average Pace

13:02 /mi

Slowest Pace

21:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58

2% of race

Time at Steady Pace

2:12:59

78% of race

Time at Slower Pace

34:51

20% of race

Average Pace: 13:02 /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 mi07:09:4622:1411:0722:14
11:07
#4893
4M
4.00 mi07:33:0245:3011:2323:16
11:38
#5004
6M
6.00 mi07:57:121:09:4011:3724:10
12:05
#5067
8M
8.00 mi08:24:371:37:0512:0827:25
13:42
#5359
9.6M
9.60 mi08:46:331:59:0112:2421:56
13:42
#5754
10M
10.00 mi08:55:052:07:3312:458:32
21:21
#5662
10.5M
10.50 mi08:58:032:10:3112:262:58
5:56
#5646
12M
12.00 mi09:24:222:36:5013:0426:19
17:33
#5616
Finish
13.11 mi09:38:202:50:4813:0213:58
12:36
#5603
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 67%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:30

Segment Time

12:47/mi

Pace

0.90 mi

Distance

Overall

4399

Women

1700

Division

201

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
2M2.00 mi2.00 mi489318852355180(Top 79%)2151(Top 73%)273(Top 70%)
4M4.00 mi2.00 mi5004-1111945-60241-65035(Top 77%)1972(Top 67%)243(Top 63%)
6M6.00 mi2.00 mi5067-631974-29244-35158(Top 78%)2029(Top 69%)245(Top 63%)
8M8.00 mi2.00 mi5359-2922130-156264-205841(Top 89%)2439(Top 83%)315(Top 81%)
9.6M9.60 mi1.60 mi5754-3952388-258297-336432(Top 98%)2844(Top 97%)372(Top 96%)
10M10.00 mi0.40 mi5662+922332+56291+64239(Top 64%)1619(Top 55%)201(Top 52%)
10.5M10.50 mi0.50 mi5646+162324+82915240(Top 80%)2146(Top 73%)264(Top 68%)
12M12.00 mi1.50 mi5616+302324295-45180(Top 79%)2151(Top 73%)273(Top 70%)
Finish13.11 mi1.11 mi5603+132321+3296-15323(Top 81%)2250(Top 77%)296(Top 76%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 79%
~flat
+5ft-3ft

Overall

5180

Females

2151

F35-39

273

2M→4M

2.0 - 4.0 mi

Top 77%
×4story building
+67ft-69ft

Overall

5035

Females

1972

F35-39

244

4M→6M

4.0 - 6.0 mi

Top 78%
×9story building
+123ft-9ft

Overall

5158

Females

2029

F35-39

245

6M→8M

6.0 - 8.0 mi

Top 89%
×12story building
+166ft-53ft

Overall

5841

Females

2439

F35-39

315

8M→9.6M

8.0 - 9.6 mi

Top 98%
×13story building
+68ft-193ft

Overall

6432

Females

2844

F35-39

372

9.6M→10M

9.6 - 10.0 mi

Top 64%
×2story building
+0ft-24ft

Overall

4239

Females

1619

F35-39

201

10M→10.5M

10.0 - 10.5 mi

Top 80%
×6story building
+1ft-73ft

Overall

5240

Females

2146

F35-39

264

10.5M→12M

10.5 - 12.0 mi

Top 79%
×21story building
+280ft-26ft

Overall

5180

Females

2151

F35-39

273

12M→Finish

12.0 - 13.1 mi

Top 81%
×7story building
+14ft-89ft

Overall

5323

Females

2250

F35-39

296

Passing Analysis

Category:
Athletes Passed
534*
Passed By
1244
Net Change
-710
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4893
2M → 4M135246-111#4893#5004
4M → 6M111*174-63#5004#5067
6M → 8M30*322-292#5067#5359
8M → 9.6M3398-395#5359#5754
9.6M → 10M10412+92#5754#5662
10M → 10.5M171+16#5662#5646
10.5M → 12M79*49+30#5646#5616
12M → Finish55*42+13#5616#5603
TOTALS534*1244-710

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

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events