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SF MARATHON 1ST HALF 2026

Vanessa Guzman

Bib: 20933•F•Age: 33

Tustin, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F30-34)
#0 / 651
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
12:19/mi
24:39
→ flat
4M
13:34/mi
51:47
↑ 67↓ 69
6M
14:19/mi
1:20:26
↑ 1231.1%
8M
16:09/mi
1:52:44
↑ 166↓ 531.1%
9.6M
15:11/mi
2:17:01
↑ 68↓ 1931.5%
10M
26:37/mi
2:27:39
↓ 241.1%
10.5M
7:14/mi
2:31:16
↓ 732.7%
12M
20:27/mi
3:01:57
↑ 2803.2%
Finish· 13.11 mi
14:46/mi
3:18:20
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:20:26
Pace13:24 /mi
2nd Half
Distance7.11 mi
Time1:57:54
Pace16:35 /mi
📊Positive Split: 46.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:10:2824:3912:1924:39
12:19
-
4M
4.00 mi07:37:3651:4712:5727:08
13:34
+1:15
6M
6.00 mi08:06:151:20:2613:2428:39
14:19
+0:45
8M
8.00 mi08:38:331:52:4414:0532:18
16:09
+1:50
9.6M
9.60 mi09:02:502:17:0114:1624:17
15:11
-0:58
10M
10.00 mi09:13:282:27:3914:4610:38
26:37
+11:26
10.5M
10.50 mi09:17:052:31:1614:243:37
7:14
-19:23
12M
12.00 mi09:47:463:01:5715:1030:41
20:27
+13:13
Finish
13.11 mi10:04:093:18:2015:0816:23
14:46
-5:41

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

7:14 /mi

Average Pace

15:08 /mi

Slowest Pace

26:37 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:37

2% of race

Time at Steady Pace

2:33:24

77% of race

Time at Slower Pace

41:19

21% of race

Average Pace: 15:08 /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 mi07:10:2824:3912:1924:39
12:19
#6144
4M
4.00 mi07:37:3651:4712:5727:08
13:34
#6269
6M
6.00 mi08:06:151:20:2613:2428:39
14:19
#6315
8M
8.00 mi08:38:331:52:4414:0532:18
16:09
#6397
9.6M
9.60 mi09:02:502:17:0114:1624:17
15:11
#6472
10M
10.00 mi09:13:282:27:3914:4610:38
26:37
#6456
10.5M
10.50 mi09:17:052:31:1614:243:37
7:14
#6457
12M
12.00 mi09:47:463:01:5715:1030:41
20:27
#6434
Finish
13.11 mi10:04:093:18:2015:0816:23
14:46
#6400
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 92%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

14:15

Segment Time

15:50/mi

Pace

0.90 mi

Distance

Overall

6034

Women

2631

Division

596

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi614426365986233(Top 95%)2751(Top 94%)610(Top 94%)
4M4.00 mi2.00 mi6269-1252716-80612-146312(Top 96%)2750(Top 94%)616(Top 95%)
6M6.00 mi2.00 mi6315-462748-32621-96332(Top 96%)2760(Top 94%)622(Top 96%)
8M8.00 mi2.00 mi6397-822798-50628-76446(Top 98%)2839(Top 97%)638(Top 98%)
9.6M9.60 mi1.60 mi6472-752854-56638-106555(Top 100%)2921(Top 100%)646(Top 99%)
10M10.00 mi0.40 mi6456+162848+6636+25962(Top 91%)2585(Top 88%)580(Top 89%)
10.5M10.50 mi0.50 mi6457-12849-16366253(Top 95%)2752(Top 94%)625(Top 96%)
12M12.00 mi1.50 mi6434+232838+11635+16233(Top 95%)2751(Top 94%)610(Top 94%)
Finish13.11 mi1.11 mi6400+342820+18633+26147(Top 93%)2702(Top 92%)606(Top 93%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 95%
~flat
+5ft-3ft

Overall

6233

Females

2751

F30-34

612

2M→4M

2.0 - 4.0 mi

Top 96%
×4story building
+67ft-69ft

Overall

6312

Females

2750

F30-34

620

4M→6M

4.0 - 6.0 mi

Top 96%
×9story building
+123ft-9ft

Overall

6332

Females

2760

F30-34

625

6M→8M

6.0 - 8.0 mi

Top 98%
×12story building
+166ft-53ft

Overall

6446

Females

2839

F30-34

640

8M→9.6M

8.0 - 9.6 mi

Top 100%
×13story building
+68ft-193ft

Overall

6555

Females

2921

F30-34

648

9.6M→10M

9.6 - 10.0 mi

Top 91%
×2story building
+0ft-24ft

Overall

5962

Females

2585

F30-34

582

10M→10.5M

10.0 - 10.5 mi

Top 95%
×6story building
+1ft-73ft

Overall

6253

Females

2752

F30-34

627

10.5M→12M

10.5 - 12.0 mi

Top 95%
×21story building
+280ft-26ft

Overall

6233

Females

2751

F30-34

612

12M→Finish

12.0 - 13.1 mi

Top 93%
×7story building
+14ft-89ft

Overall

6147

Females

2702

F30-34

606

Passing Analysis

Category:
Athletes Passed
180*
Passed By
436
Net Change
-256
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#6144
2M → 4M45*170-125#6144#6269
4M → 6M38*84-46#6269#6315
6M → 8M14*96-82#6315#6397
8M → 9.6M2*77-75#6397#6472
9.6M → 10M182+16#6472#6456
10M → 10.5M23-1#6456#6457
10.5M → 12M27*4+23#6457#6434
12M → Finish34*0+34#6434#6400
TOTALS180*436-256

* 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