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SF MARATHON 1ST HALF 2026

Juntao Zhang

Santa Clara, CA

Bib: 17388 M 24

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
M20-29
#0 / 358
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
11:26/mi
22:53
→ flat
12 ft elev
4M
11:55/mi
46:43
↑ 67↓ 69
10 ft elev
6M
12:30/mi
1:11:44
↑ 1231.1%
126 ft elev
8M
13:30/mi
1:38:44
↑ 166↓ 531.1%
246 ft elev
9.6M
9:25/mi
1:53:48
↑ 68↓ 1931.5%
126 ft elev
10M
21:39/mi
2:02:27
↓ 241.1%
90 ft elev
10.5M
5:38/mi
2:05:16
↓ 732.7%
18 ft elev
12M
16:43/mi
2:30:21
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
11:55/mi
2:43:34
↑ 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
1:11:4411:57 /mi⚡ faster
2nd Half
1:31:5012:55 /mi+28.0%
Positive split — 28.0% 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
22:5311:262.00 mi22:53
11:26
-
4M
46:4311:412.00 mi23:50
11:55
+0:29
6M
1:11:4411:572.00 mi25:01
12:30
+0:35
8M
1:38:4412:202.00 mi27:00
13:30
+1:00
9.6M
1:53:4811:511.60 mi15:04
9:25
-4:05
10M
2:02:2712:150.40 mi8:39
21:39
+12:14
10.5M
2:05:1611:560.50 mi2:49
5:38
-16:01
12M
2:30:2112:321.50 mi25:05
16:43
+11:05
Finish(13.11 mi)
2:43:3412:291.11 mi13:13
11:55
-4:48
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

5:38 /mi

Average Pace

12:29 /mi

Slowest Pace

21:39 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

17:53

11% of race

Time at Steady Pace

1:51:57

68% of race

Time at Slower Pace

33:44

21% of race

Average Pace: 12:29 /mi

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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 66%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:28

Segment Time

12:45/mi

Pace

0.90 mi

Distance

Overall

4371

Men

2673

Division

282

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi5348317733346862802296
4M2.00 mi5371-233194-17332+153513175335
6M2.00 mi5417-463221-27336-455243256342
8M2.00 mi5557-1403285-64341-557323339342
9.6M1.60 mi5262+2953156+129335+632672029229
10M0.40 mi5190+723128+28330+543952671276
10.5M0.50 mi5166+243109+19328+247332865308
12M1.50 mi5095+713063+4632846862802296
Finish(13.11 mi)1.11 mi5029+663024+39325+348592848315

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 71%
~flat
+5ft-3ft

Overall

4686

Males

2802

M20-24

297

2M→4M

2.0 - 4.0 mi

Top 81%
×4story building
+67ft-69ft

Overall

5351

Males

3175

M20-24

337

4M→6M

4.0 - 6.0 mi

Top 84%
×9story building
+123ft-9ft

Overall

5524

Males

3256

M20-24

345

6M→8M

6.0 - 8.0 mi

Top 87%
×12story building
+166ft-53ft

Overall

5732

Males

3339

M20-24

344

8M→9.6M

8.0 - 9.6 mi

Top 50%
×13story building
+68ft-193ft

Overall

3267

Males

2029

M20-24

230

9.6M→10M

9.6 - 10.0 mi

Top 67%
×2story building
+0ft-24ft

Overall

4395

Males

2671

M20-24

277

10M→10.5M

10.0 - 10.5 mi

Top 72%
×6story building
+1ft-73ft

Overall

4733

Males

2865

M20-24

309

10.5M→12M

10.5 - 12.0 mi

Top 71%
×21story building
+280ft-26ft

Overall

4686

Males

2802

M20-24

297

12M→Finish

12.0 - 13.1 mi

Top 74%
×7story building
+14ft-89ft

Overall

4859

Males

2848

M20-24

315

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#5348
2M → 4M
149126-23
#5348 → #5371
4M → 6M
148102*-46
#5371 → #5417
6M → 8M
20262*-140
#5417 → #5557
8M → 9.6M
13308+295
#5557 → #5262
9.6M → 10M
1890+72
#5262 → #5190
10M → 10.5M
327+24
#5190 → #5166
10.5M → 12M
74145*+71
#5166 → #5095
12M → Finish
1884*+66
#5095 → #5029
TOTALS
625944*+319
#5348 → #5029

* 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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