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SF MARATHON 1ST HALF 2026

William Zhu

Bib: 17376•M•Age: 29

SF, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 42%
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
10:50/mi
21:40
→ flat
4M
11:01/mi
43:42
↑ 67↓ 69
6M
10:29/mi
1:04:40
↑ 1231.1%
8M
9:16/mi
1:23:13
↑ 166↓ 531.1%
9.6M
9:16/mi
1:38:03
↑ 68↓ 1931.5%
10M
17:04/mi
1:44:52
↓ 241.1%
10.5M
4:42/mi
1:47:13
↓ 732.7%
12M
14:04/mi
2:08:19
↑ 2803.2%
Finish· 13.11 mi
9:04/mi
2:18:22
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:04:40
Pace10:47 /mi
2nd Half
Distance7.11 mi
Time1:13:42
Pace10:22 /mi
📊Positive Split: 14.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:07:5121:4010:5021:40
10:50
-
4M
4.00 mi07:29:5343:4210:5622:02
11:01
+0:11
6M
6.00 mi07:50:511:04:4010:4720:58
10:29
-0:32
8M
8.00 mi08:09:241:23:1310:2418:33
9:16
-1:13
9.6M
9.60 mi08:24:141:38:0310:1314:50
9:16
0:00
10M
10.00 mi08:31:031:44:5210:296:49
17:04
+7:48
10.5M
10.50 mi08:33:241:47:1310:132:21
4:42
-12:22
12M
12.00 mi08:54:302:08:1910:4221:06
14:04
+9:22
Finish
13.11 mi09:04:332:18:2210:3310:03
9:04
-5:00

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

4:42 /mi

Average Pace

10:33 /mi

Slowest Pace

17:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21

2% of race

Time at Steady Pace

1:48:06

78% of race

Time at Slower Pace

27:55

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 mi07:07:5121:4010:5021:40
10:50
#4442
4M
4.00 mi07:29:5343:4210:5622:02
11:01
#4297
6M
6.00 mi07:50:511:04:4010:4720:58
10:29
#3889
8M
8.00 mi08:09:241:23:1310:2418:33
9:16
#3188
9.6M
9.60 mi08:24:141:38:0310:1314:50
9:16
#3130
10M
10.00 mi08:31:031:44:5210:296:49
17:04
#2984
10.5M
10.50 mi08:33:241:47:1310:132:21
4:42
#2967
12M
12.00 mi08:54:302:08:1910:4221:06
14:04
#2916
Finish
13.11 mi09:04:332:18:2210:3310:03
9:04
#2775
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 29%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:10

Segment Time

10:11/mi

Pace

0.90 mi

Distance

Overall

1889

Men

1378

Division

331

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi444227986302789(Top 42%)1867(Top 52%)442(Top 56%)
4M4.00 mi2.00 mi4297+1452726+72624+64214(Top 64%)2676(Top 74%)617(Top 78%)
6M6.00 mi2.00 mi3889+4082528+198582+423268(Top 50%)2198(Top 61%)524(Top 66%)
8M8.00 mi2.00 mi3188+7012168+360509+731550(Top 24%)1193(Top 33%)278(Top 35%)
9.6M9.60 mi1.60 mi3130+582127+41508+13093(Top 47%)1926(Top 53%)459(Top 58%)
10M10.00 mi0.40 mi2984+1462037+90483+251860(Top 28%)1347(Top 37%)325(Top 41%)
10.5M10.50 mi0.50 mi2967+172026+11481+22383(Top 36%)1668(Top 46%)400(Top 50%)
12M12.00 mi1.50 mi2916+511986+40470+112789(Top 42%)1867(Top 52%)442(Top 56%)
Finish13.11 mi1.11 mi2775+1411905+81459+111723(Top 26%)1261(Top 35%)306(Top 38%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 42%
~flat
+5ft-3ft

Overall

2789

Males

1867

M25-29

443

2M→4M

2.0 - 4.0 mi

Top 64%
×4story building
+67ft-69ft

Overall

4214

Males

2676

M25-29

619

4M→6M

4.0 - 6.0 mi

Top 50%
×9story building
+123ft-9ft

Overall

3268

Males

2198

M25-29

525

6M→8M

6.0 - 8.0 mi

Top 24%
×12story building
+166ft-53ft

Overall

1550

Males

1193

M25-29

279

8M→9.6M

8.0 - 9.6 mi

Top 47%
×13story building
+68ft-193ft

Overall

3093

Males

1926

M25-29

460

9.6M→10M

9.6 - 10.0 mi

Top 28%
×2story building
+0ft-24ft

Overall

1860

Males

1347

M25-29

326

10M→10.5M

10.0 - 10.5 mi

Top 36%
×6story building
+1ft-73ft

Overall

2383

Males

1668

M25-29

401

10.5M→12M

10.5 - 12.0 mi

Top 42%
×21story building
+280ft-26ft

Overall

2789

Males

1867

M25-29

443

12M→Finish

12.0 - 13.1 mi

Top 26%
×7story building
+14ft-89ft

Overall

1723

Males

1261

M25-29

306

Passing Analysis

Category:
Athletes Passed
1948*
Passed By
281
Net Change
+1667
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4442
2M → 4M257112+145#4442#4297
4M → 6M414*6+408#4297#3889
6M → 8M703*2+701#3889#3188
8M → 9.6M15698+58#3188#3130
9.6M → 10M1493+146#3130#2984
10M → 10.5M170+17#2984#2967
10.5M → 12M10756+51#2967#2916
12M → Finish145*4+141#2916#2775
TOTALS1948*281+1667

* 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