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SF MARATHON 1ST HALF 2026

William Foster

Bib: 19992•M•Age: 35

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 31%
Gender (Male)
#0 / 3619
Top 41%
Division (M35-39)
#0 / 582
Top 43%
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
9:37/mi
19:15
→ flat
4M
9:21/mi
37:57
↑ 67↓ 69
6M
9:23/mi
56:43
↑ 1231.1%
8M
11:22/mi
1:19:28
↑ 166↓ 531.1%
9.6M
7:38/mi
1:31:41
↑ 68↓ 1931.5%
10M
17:34/mi
1:38:42
↓ 241.1%
10.5M
4:46/mi
1:41:05
↓ 732.7%
12M
13:05/mi
2:00:42
↑ 2803.2%
Finish· 13.11 mi
8:48/mi
2:10:28
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time56:43
Pace9:27 /mi
2nd Half
Distance7.11 mi
Time1:13:45
Pace10:22 /mi
📊Positive Split: 30.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:09:1919:159:3719:15
9:37
-
4M
4.00 mi07:28:0137:579:2918:42
9:21
-0:16
6M
6.00 mi07:46:4756:439:2718:46
9:23
+0:02
8M
8.00 mi08:09:321:19:289:5622:45
11:22
+1:59
9.6M
9.60 mi08:21:451:31:419:3312:13
7:38
-3:44
10M
10.00 mi08:28:461:38:429:527:01
17:34
+9:56
10.5M
10.50 mi08:31:091:41:059:382:23
4:46
-12:48
12M
12.00 mi08:50:462:00:4210:0419:37
13:05
+8:19
Finish
13.11 mi09:00:322:10:289:579:46
8:48
-4:17

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

4:46 /mi

Average Pace

9:57 /mi

Slowest Pace

17:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

14:36

11% of race

Time at Steady Pace

1:06:29

51% of race

Time at Slower Pace

49:23

38% of race

Average Pace: 9:57 /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 mi07:09:1919:159:3719:15
9:37
#2460
4M
4.00 mi07:28:0137:579:2918:42
9:21
#2121
6M
6.00 mi07:46:4756:439:2718:46
9:23
#2035
8M
8.00 mi08:09:321:19:289:5622:45
11:22
#2558
9.6M
9.60 mi08:21:451:31:419:3312:13
7:38
#2233
10M
10.00 mi08:28:461:38:429:527:01
17:34
#2205
10.5M
10.50 mi08:31:091:41:059:382:23
4:46
#2206
12M
12.00 mi08:50:462:00:4210:0419:37
13:05
#2156
Finish
13.11 mi09:00:322:10:289:579:46
8:48
#2070
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 33%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:24

Segment Time

10:27/mi

Pace

0.90 mi

Distance

Overall

2149

Men

1522

Division

253

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi246017483001981(Top 30%)1406(Top 39%)240(Top 41%)
4M4.00 mi2.00 mi2121+3391540+208257+431924(Top 29%)1423(Top 39%)246(Top 42%)
6M6.00 mi2.00 mi2035+861498+42254+31904(Top 29%)1416(Top 39%)250(Top 43%)
8M8.00 mi2.00 mi2558-5231815-317307-533943(Top 60%)2560(Top 71%)431(Top 74%)
9.6M9.60 mi1.60 mi2233+3251592+223273+341178(Top 18%)797(Top 22%)130(Top 22%)
10M10.00 mi0.40 mi2205+281580+12270+32135(Top 32%)1499(Top 41%)248(Top 43%)
10.5M10.50 mi0.50 mi2206-11578+2268+22508(Top 38%)1730(Top 48%)294(Top 51%)
12M12.00 mi1.50 mi2156+501540+38265+31981(Top 30%)1406(Top 39%)240(Top 41%)
Finish13.11 mi1.11 mi2070+861487+53253+121430(Top 22%)1083(Top 30%)178(Top 31%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 30%
~flat
+5ft-3ft

Overall

1981

Males

1406

M35-39

240

2M→4M

2.0 - 4.0 mi

Top 29%
×4story building
+67ft-69ft

Overall

1924

Males

1423

M35-39

246

4M→6M

4.0 - 6.0 mi

Top 29%
×9story building
+123ft-9ft

Overall

1904

Males

1416

M35-39

250

6M→8M

6.0 - 8.0 mi

Top 60%
×12story building
+166ft-53ft

Overall

3943

Males

2560

M35-39

431

8M→9.6M

8.0 - 9.6 mi

Top 18%
×13story building
+68ft-193ft

Overall

1178

Males

797

M35-39

130

9.6M→10M

9.6 - 10.0 mi

Top 32%
×2story building
+0ft-24ft

Overall

2135

Males

1499

M35-39

248

10M→10.5M

10.0 - 10.5 mi

Top 38%
×6story building
+1ft-73ft

Overall

2508

Males

1730

M35-39

294

10.5M→12M

10.5 - 12.0 mi

Top 30%
×21story building
+280ft-26ft

Overall

1981

Males

1406

M35-39

240

12M→Finish

12.0 - 13.1 mi

Top 22%
×7story building
+14ft-89ft

Overall

1430

Males

1083

M35-39

178

Passing Analysis

Category:
Athletes Passed
1061*
Passed By
671
Net Change
+390
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2460
2M → 4M35314+339#2460#2121
4M → 6M12539+86#2121#2035
6M → 8M7*530-523#2035#2558
8M → 9.6M33712+325#2558#2233
9.6M → 10M4012+28#2233#2205
10M → 10.5M67-1#2205#2206
10.5M → 12M10252+50#2206#2156
12M → Finish91*5+86#2156#2070
TOTALS1061*671+390

* 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