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SF MARATHON 1ST HALF 2026

Sara Williams

Bib: 17957•F•Age: 27

SF, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 42%
Gender (Female)
#0 / 2930
Top 29%
Division (F25-29)
#0 / 674
Top 32%
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
9:59/mi
19:59
→ flat
4M
10:12/mi
40:22
↑ 67↓ 69
6M
10:11/mi
1:00:44
↑ 1231.1%
8M
11:42/mi
1:24:09
↑ 166↓ 531.1%
9.6M
8:07/mi
1:37:08
↑ 68↓ 1931.5%
10M
18:54/mi
1:44:41
↓ 241.1%
10.5M
4:44/mi
1:47:03
↓ 732.7%
12M
13:27/mi
2:07:14
↑ 2803.2%
Finish· 13.11 mi
9:58/mi
2:18:17
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:00:44
Pace10:07 /mi
2nd Half
Distance7.11 mi
Time1:17:33
Pace10:55 /mi
📊Positive Split: 27.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:09:2219:599:5919:59
9:59
-
4M
4.00 mi07:29:4540:2210:0620:23
10:12
+0:13
6M
6.00 mi07:50:071:00:4410:0720:22
10:11
-0:01
8M
8.00 mi08:13:321:24:0910:3123:25
11:42
+1:31
9.6M
9.60 mi08:26:311:37:0810:0712:59
8:07
-3:35
10M
10.00 mi08:34:041:44:4110:287:33
18:54
+10:47
10.5M
10.50 mi08:36:261:47:0310:122:22
4:44
-14:10
12M
12.00 mi08:56:372:07:1410:3620:11
13:27
+8:43
Finish
13.11 mi09:07:402:18:1710:3311:03
9:58
-3:29

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

4:44 /mi

Average Pace

10:33 /mi

Slowest Pace

18:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

15:21

11% of race

Time at Steady Pace

1:35:12

69% of race

Time at Slower Pace

27:44

20% of race

Average Pace: 10:33 /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 mi07:09:2219:599:5919:59
9:59
#3033
4M
4.00 mi07:29:4540:2210:0620:23
10:12
#3011
6M
6.00 mi07:50:071:00:4410:0720:22
10:11
#2942
8M
8.00 mi08:13:321:24:0910:3123:25
11:42
#3336
9.6M
9.60 mi08:26:311:37:0810:0712:59
8:07
#3004
10M
10.00 mi08:34:041:44:4110:287:33
18:54
#2964
10.5M
10.50 mi08:36:261:47:0310:122:22
4:44
#2946
12M
12.00 mi08:56:372:07:1410:3620:11
13:27
#2795
Finish
13.11 mi09:07:402:18:1710:3311:03
9:58
#2766
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 41%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:55

Segment Time

11:01/mi

Pace

0.90 mi

Distance

Overall

2726

Women

869

Division

216

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi30339632252295(Top 35%)693(Top 24%)178(Top 26%)
4M4.00 mi2.00 mi3011+22941+22217+83087(Top 47%)980(Top 33%)240(Top 36%)
6M6.00 mi2.00 mi2942+69917+24222-52888(Top 44%)879(Top 30%)223(Top 33%)
8M8.00 mi2.00 mi3336-3941085-168267-454274(Top 65%)1533(Top 52%)367(Top 54%)
9.6M9.60 mi1.60 mi3004+332939+146231+361653(Top 25%)547(Top 19%)141(Top 21%)
10M10.00 mi0.40 mi2964+40930+9229+22911(Top 44%)957(Top 33%)241(Top 36%)
10.5M10.50 mi0.50 mi2946+18923+7227+22458(Top 37%)747(Top 25%)184(Top 27%)
12M12.00 mi1.50 mi2795+151869+54213+142295(Top 35%)693(Top 24%)178(Top 26%)
Finish13.11 mi1.11 mi2766+29857+122132815(Top 43%)934(Top 32%)255(Top 38%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 35%
~flat
+5ft-3ft

Overall

2295

Females

693

F25-29

178

2M→4M

2.0 - 4.0 mi

Top 47%
×4story building
+67ft-69ft

Overall

3087

Females

980

F25-29

240

4M→6M

4.0 - 6.0 mi

Top 44%
×9story building
+123ft-9ft

Overall

2888

Females

879

F25-29

223

6M→8M

6.0 - 8.0 mi

Top 65%
×12story building
+166ft-53ft

Overall

4274

Females

1533

F25-29

367

8M→9.6M

8.0 - 9.6 mi

Top 25%
×13story building
+68ft-193ft

Overall

1653

Females

547

F25-29

141

9.6M→10M

9.6 - 10.0 mi

Top 44%
×2story building
+0ft-24ft

Overall

2911

Females

957

F25-29

241

10M→10.5M

10.0 - 10.5 mi

Top 37%
×6story building
+1ft-73ft

Overall

2458

Females

747

F25-29

184

10.5M→12M

10.5 - 12.0 mi

Top 35%
×21story building
+280ft-26ft

Overall

2295

Females

693

F25-29

178

12M→Finish

12.0 - 13.1 mi

Top 43%
×7story building
+14ft-89ft

Overall

2815

Females

934

F25-29

255

Passing Analysis

Category:
Athletes Passed
1003*
Passed By
736
Net Change
+267
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3033
2M → 4M164142+22#3033#3011
4M → 6M15788+69#3011#2942
6M → 8M19*413-394#2942#3336
8M → 9.6M34614+332#3336#3004
9.6M → 10M6121+40#3004#2964
10M → 10.5M202+18#2964#2946
10.5M → 12M18130+151#2946#2795
12M → Finish55*26+29#2795#2766
TOTALS1003*736+267

* 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