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SF MARATHON 1ST HALF 2026

Jacob Williams

Bib: 20860•M•Age: 25

Oakland, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Division (M25-29)
#0 / 796
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
9:36/mi
19:12
→ flat
4M
14:11/mi
47:34
↑ 67↓ 69
6M
13:25/mi
1:14:25
↑ 1231.1%
8M
13:44/mi
1:41:54
↑ 166↓ 531.1%
9.6M
13:44/mi
2:03:53
↑ 68↓ 1931.5%
10M
26:54/mi
2:14:38
↓ 241.1%
10.5M
4:50/mi
2:17:03
↓ 732.7%
12M
19:22/mi
2:46:06
↑ 2803.2%
Finish· 13.11 mi
13:37/mi
3:01:12
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:14:25
Pace12:24 /mi
2nd Half
Distance7.11 mi
Time1:46:47
Pace15:01 /mi
📊Positive Split: 43.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:54:1619:129:3619:12
9:36
-
4M
4.00 mi07:22:3847:3411:5428:22
14:11
+4:35
6M
6.00 mi07:49:291:14:2512:2426:51
13:25
-0:46
8M
8.00 mi08:16:581:41:5412:4427:29
13:44
+0:19
9.6M
9.60 mi08:38:572:03:5312:5421:59
13:44
0:00
10M
10.00 mi08:49:422:14:3813:2810:45
26:54
+13:10
10.5M
10.50 mi08:52:072:17:0313:032:25
4:50
-22:04
12M
12.00 mi09:21:102:46:0613:5129:03
19:22
+14:32
Finish
13.11 mi09:36:163:01:1213:4915:06
13:37
-5:45

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

4:50 /mi

Average Pace

13:49 /mi

Slowest Pace

26:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

21:37

12% of race

Time at Steady Pace

1:59:47

66% of race

Time at Slower Pace

39:48

22% of race

Average Pace: 13:49 /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 mi06:54:1619:129:3619:12
9:36
#2421
4M
4.00 mi07:22:3847:3411:5428:22
14:11
#5576
6M
6.00 mi07:49:291:14:2512:2426:51
13:25
#5829
8M
8.00 mi08:16:581:41:5412:4427:29
13:44
#5887
9.6M
9.60 mi08:38:572:03:5312:5421:59
13:44
#6106
10M
10.00 mi08:49:422:14:3813:2810:45
26:54
#6120
10.5M
10.50 mi08:52:072:17:0313:032:25
4:50
#6095
12M
12.00 mi09:21:102:46:0613:5129:03
19:22
#6109
Finish
13.11 mi09:36:163:01:1213:4915:06
13:37
#6083
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 85%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

13:10

Segment Time

14:38/mi

Pace

0.90 mi

Distance

Overall

5620

Men

3222

Division

727

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi242117184076000(Top 91%)3364(Top 93%)746(Top 94%)
4M4.00 mi2.00 mi5576-31553266-1548728-3216448(Top 98%)3584(Top 99%)792(Top 99%)
6M6.00 mi2.00 mi5829-2533377-111760-326079(Top 92%)3470(Top 96%)780(Top 98%)
8M8.00 mi2.00 mi5887-583402-25768-85856(Top 89%)3388(Top 94%)758(Top 95%)
9.6M9.60 mi1.60 mi6106-2193480-78777-96437(Top 98%)3564(Top 98%)790(Top 99%)
10M10.00 mi0.40 mi6120-143475+57776013(Top 91%)3372(Top 93%)751(Top 94%)
10.5M10.50 mi0.50 mi6095+253467+8774+32743(Top 42%)1858(Top 51%)442(Top 56%)
12M12.00 mi1.50 mi6109-143465+2773+16000(Top 91%)3364(Top 93%)746(Top 94%)
Finish13.11 mi1.11 mi6083+263453+12772+15841(Top 89%)3283(Top 91%)735(Top 92%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 91%
~flat
+5ft-3ft

Overall

6000

Males

3364

M25-29

747

2M→4M

2.0 - 4.0 mi

Top 98%
×4story building
+67ft-69ft

Overall

6448

Males

3584

M25-29

796

4M→6M

4.0 - 6.0 mi

Top 92%
×9story building
+123ft-9ft

Overall

6079

Males

3470

M25-29

783

6M→8M

6.0 - 8.0 mi

Top 89%
×12story building
+166ft-53ft

Overall

5856

Males

3388

M25-29

759

8M→9.6M

8.0 - 9.6 mi

Top 98%
×13story building
+68ft-193ft

Overall

6437

Males

3564

M25-29

791

9.6M→10M

9.6 - 10.0 mi

Top 91%
×2story building
+0ft-24ft

Overall

6013

Males

3372

M25-29

752

10M→10.5M

10.0 - 10.5 mi

Top 42%
×6story building
+1ft-73ft

Overall

2743

Males

1858

M25-29

443

10.5M→12M

10.5 - 12.0 mi

Top 91%
×21story building
+280ft-26ft

Overall

6000

Males

3364

M25-29

747

12M→Finish

12.0 - 13.1 mi

Top 89%
×7story building
+14ft-89ft

Overall

5841

Males

3283

M25-29

735

Passing Analysis

Category:
Athletes Passed
259*
Passed By
3921
Net Change
-3662
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2421
2M → 4M03155-3155#2421#5576
4M → 6M42*295-253#5576#5829
6M → 8M86*144-58#5829#5887
8M → 9.6M3222-219#5887#6106
9.6M → 10M2438-14#6106#6120
10M → 10.5M250+25#6120#6095
10.5M → 12M38*52-14#6095#6109
12M → Finish41*15+26#6109#6083
TOTALS259*3921-3662

* 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