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SF MARATHON 1ST HALF 2026

Jack Williams

San Francisco, CA

Bib: 13447 M 30

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 45%
Gender (Male)
#0 / 3619
Division (M30-34)
#0 / 772
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
2M
11:33/mi
23:06
→ flat
12 ft elev
4M
11:01/mi
45:08
↑ 67↓ 69
10 ft elev
6M
10:18/mi
1:05:45
↑ 1231.1%
126 ft elev
8M
9:44/mi
1:25:13
↑ 166↓ 531.1%
246 ft elev
9.6M
9:44/mi
1:40:47
↑ 68↓ 1931.5%
126 ft elev
10M
17:29/mi
1:47:46
↓ 241.1%
90 ft elev
10.5M
4:44/mi
1:50:08
↓ 732.7%
18 ft elev
12M
12:54/mi
2:09:29
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
9:24/mi
2:19:55
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:05:4510:58 /mi⚡ faster
2nd Half
1:14:1010:26 /mi+12.8%
Positive split — 12.8% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2M
23:0611:332.00 mi23:06
11:33
-
4M
45:0811:172.00 mi22:02
11:01
-0:32
6M
1:05:4510:582.00 mi20:37
10:18
-0:43
8M
1:25:1310:392.00 mi19:28
9:44
-0:34
9.6M
1:40:4710:301.60 mi15:34
9:44
0:00
10M
1:47:4610:470.40 mi6:59
17:29
+7:45
10.5M
1:50:0810:290.50 mi2:22
4:44
-12:45
12M
2:09:2910:471.50 mi19:21
12:54
+8:10
Finish(13.11 mi)
2:19:5510:401.11 mi10:26
9:24
-3:30
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

4:44 /mi

Average Pace

10:40 /mi

Slowest Pace

17:29 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:22

2% of race

Time at Steady Pace

1:51:13

79% of race

Time at Slower Pace

26:20

19% of race

Average Pace: 10:40 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower
Featured Segment

Garmin Challenge

Top 32%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:21

Segment Time

10:24/mi

Pace

0.90 mi

Distance

Overall

2105

Men

1499

Division

329

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi5461322568818501329295
4M2.00 mi4850+6112977+248622+6642152677557
6M2.00 mi4136+7142651+326555+6730472086438
8M2.00 mi3505+6312326+325488+6720501524317
9.6M1.60 mi3496+92319+7487+136532231469
10M0.40 mi3353+1432242+77465+2220991475319
10.5M0.50 mi3329+242226+16463+224621708371
12M1.50 mi3038+2912057+169435+2818501329295
Finish(13.11 mi)1.11 mi2935+1031996+61426+921451523345

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 28%
~flat
+5ft-3ft

Overall

1850

Males

1329

M30-34

296

2M→4M

2.0 - 4.0 mi

Top 64%
×4story building
+67ft-69ft

Overall

4215

Males

2677

M30-34

560

4M→6M

4.0 - 6.0 mi

Top 46%
×9story building
+123ft-9ft

Overall

3047

Males

2086

M30-34

440

6M→8M

6.0 - 8.0 mi

Top 31%
×12story building
+166ft-53ft

Overall

2050

Males

1524

M30-34

318

8M→9.6M

8.0 - 9.6 mi

Top 56%
×13story building
+68ft-193ft

Overall

3653

Males

2231

M30-34

470

9.6M→10M

9.6 - 10.0 mi

Top 32%
×2story building
+0ft-24ft

Overall

2099

Males

1475

M30-34

320

10M→10.5M

10.0 - 10.5 mi

Top 37%
×6story building
+1ft-73ft

Overall

2462

Males

1708

M30-34

373

10.5M→12M

10.5 - 12.0 mi

Top 28%
×21story building
+280ft-26ft

Overall

1850

Males

1329

M30-34

296

12M→Finish

12.0 - 13.1 mi

Top 33%
×7story building
+14ft-89ft

Overall

2145

Males

1523

M30-34

345

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#5461
2M → 4M
17628+611
#5461 → #4850
4M → 6M
4718*+714
#4850 → #4136
6M → 8M
4635*+631
#4136 → #3505
8M → 9.6M
120129+9
#3505 → #3496
9.6M → 10M
3146+143
#3496 → #3353
10M → 10.5M
024+24
#3353 → #3329
10.5M → 12M
10301+291
#3329 → #3038
12M → Finish
7110*+103
#3038 → #2935
TOTALS
1652691*+2526
#5461 → #2935

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

Passing Visualized

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

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