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SF MARATHON 1ST HALF 2026

Jiamu Yu

Stanford, CA

Bib: 12525 M 22

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 26%
Gender (Male)
#0 / 3619
Top 36%
M20-29
#0 / 358
Top 45%
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
9:07/mi
18:14
→ flat
4M
8:26/mi
35:05
↑ 67↓ 69
6M
8:43/mi
52:31
↑ 123
8M
8:20/mi
1:09:11
↑ 166↓ 53
9.6M
8:20/mi
1:22:31
↑ 68↓ 193
10M
17:49/mi
1:29:38
↓ 24
10.5M
4:30/mi
1:31:53
↓ 73
12M
14:53/mi
1:54:13
↑ 280
Finish· 13.11 mi
11:07/mi
2:06:33
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
52:318:45 /mi⚡ faster
2nd Half
1:14:0210:25 /mi+41.0%
Positive split — 41.0% 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
18:149:072.00 mi18:14
9:07
-
4M
35:058:462.00 mi16:51
8:26
-0:41
6M
52:318:452.00 mi17:26
8:43
+0:17
8M
1:09:118:392.00 mi16:40
8:20
-0:23
9.6M
1:22:318:361.60 mi13:20
8:20
0:00
10M
1:29:388:580.40 mi7:07
17:49
+9:29
10.5M
1:31:538:450.50 mi2:15
4:30
-13:19
12M
1:54:139:311.50 mi22:20
14:53
+10:23
Finish(13.11 mi)
2:06:339:391.11 mi12:20
11:07
-3:46
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

4:30 /mi

Average Pace

9:39 /mi

Slowest Pace

17:49 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:15

2% of race

Time at Steady Pace

1:22:31

65% of race

Time at Slower Pace

41:47

33% of race

Average Pace: 9:39 /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 32%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:22

Segment Time

10:25/mi

Pace

0.90 mi

Distance

Overall

2113

Men

1505

Division

179

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi1667125314734592197245
4M2.00 mi1158+509916+337107+4078964683
6M2.00 mi1103+55879+37102+51072864114
8M2.00 mi923+180757+12286+1667257863
9.6M1.60 mi1021-98824-6796-1019041262160
10M0.40 mi1119-98894-70109-1322521576186
10.5M0.50 mi1135-16908-14110-118141350168
12M1.50 mi1536-4011170-262144-3434592197245
Finish(13.11 mi)1.11 mi1717-1811286-116160-1641382549282

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 53%
~flat
+5ft-3ft

Overall

3459

Males

2197

M20-24

246

2M→4M

2.0 - 4.0 mi

Top 12%
×4story building
+67ft-69ft

Overall

789

Males

646

M20-24

84

4M→6M

4.0 - 6.0 mi

Top 16%
×9story building
+123ft-9ft

Overall

1072

Males

864

M20-24

115

6M→8M

6.0 - 8.0 mi

Top 10%
×12story building
+166ft-53ft

Overall

672

Males

578

M20-24

64

8M→9.6M

8.0 - 9.6 mi

Top 29%
×13story building
+68ft-193ft

Overall

1904

Males

1262

M20-24

161

9.6M→10M

9.6 - 10.0 mi

Top 34%
×2story building
+0ft-24ft

Overall

2252

Males

1576

M20-24

187

10M→10.5M

10.0 - 10.5 mi

Top 28%
×6story building
+1ft-73ft

Overall

1814

Males

1350

M20-24

168

10.5M→12M

10.5 - 12.0 mi

Top 53%
×21story building
+280ft-26ft

Overall

3459

Males

2197

M20-24

246

12M→Finish

12.0 - 13.1 mi

Top 63%
×7story building
+14ft-89ft

Overall

4138

Males

2549

M20-24

282

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#1667
2M → 4M
1510+509
#1667 → #1158
4M → 6M
2782+55
#1158 → #1103
6M → 8M
11191+180
#1103 → #923
8M → 9.6M
12426-98
#923 → #1021
9.6M → 10M
1035-98
#1021 → #1119
10M → 10.5M
160-16
#1119 → #1135
10.5M → 12M
4054-401
#1135 → #1536
12M → Finish
20120*-181
#1536 → #1717
TOTALS
888838*-50
#1667 → #1717

* 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

Race Place Events

Race Place Events