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SF MARATHON 1ST HALF 2026

Jimmy Zhou

San Francisco, CA

Bib: 20992 M 24

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 23%
Gender (Male)
#0 / 3619
Top 32%
M20-29
#0 / 358
Top 41%
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
8:59/mi
17:59
→ flat
12 ft elev
4M
9:04/mi
36:06
↑ 67↓ 69
10 ft elev
6M
9:00/mi
54:07
↑ 1231.1%
126 ft elev
8M
8:49/mi
1:11:45
↑ 166↓ 531.1%
246 ft elev
9.6M
8:49/mi
1:25:51
↑ 68↓ 1931.5%
126 ft elev
10M
17:06/mi
1:32:41
↓ 241.1%
90 ft elev
10.5M
4:24/mi
1:34:53
↓ 732.7%
18 ft elev
12M
12:51/mi
1:54:10
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
9:08/mi
2:04:18
↑ 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
54:079:01 /mi⚡ faster
2nd Half
1:10:119:52 /mi+29.7%
Positive split — 29.7% 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
17:598:592.00 mi17:59
8:59
-
4M
36:069:022.00 mi18:07
9:04
+0:05
6M
54:079:012.00 mi18:01
9:00
-0:04
8M
1:11:458:582.00 mi17:38
8:49
-0:11
9.6M
1:25:518:571.60 mi14:06
8:49
0:00
10M
1:32:419:160.40 mi6:50
17:06
+8:17
10.5M
1:34:539:020.50 mi2:12
4:24
-12:42
12M
1:54:109:311.50 mi19:17
12:51
+8:27
Finish(13.11 mi)
2:04:189:291.11 mi10:08
9:08
-3:43
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

4:24 /mi

Average Pace

9:29 /mi

Slowest Pace

17:06 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:12

2% of race

Time at Steady Pace

1:35:59

77% of race

Time at Slower Pace

26:07

21% of race

Average Pace: 9:29 /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 26%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:02

Segment Time

10:02/mi

Pace

0.90 mi

Distance

Overall

1732

Men

1284

Division

162

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi1497114013218141308160
4M2.00 mi1493+41149-9138-615371187152
6M2.00 mi1481+121154-5140-214321109145
8M2.00 mi1300+1811041+113127+131092881100
9.6M1.60 mi1503-2031164-123141-1424911603197
10M0.40 mi1513-101173-9142-118661353167
10.5M0.50 mi1510+31169+4140+215571193150
12M1.50 mi1532-221166+3141-118141308160
Finish(13.11 mi)1.11 mi1514+181163+3147-617931308170

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 28%
~flat
+5ft-3ft

Overall

1814

Males

1308

M20-24

161

2M→4M

2.0 - 4.0 mi

Top 23%
×4story building
+67ft-69ft

Overall

1537

Males

1187

M20-24

153

4M→6M

4.0 - 6.0 mi

Top 22%
×9story building
+123ft-9ft

Overall

1432

Males

1109

M20-24

146

6M→8M

6.0 - 8.0 mi

Top 17%
×12story building
+166ft-53ft

Overall

1092

Males

881

M20-24

101

8M→9.6M

8.0 - 9.6 mi

Top 38%
×13story building
+68ft-193ft

Overall

2491

Males

1603

M20-24

198

9.6M→10M

9.6 - 10.0 mi

Top 28%
×2story building
+0ft-24ft

Overall

1866

Males

1353

M20-24

168

10M→10.5M

10.0 - 10.5 mi

Top 24%
×6story building
+1ft-73ft

Overall

1557

Males

1193

M20-24

150

10.5M→12M

10.5 - 12.0 mi

Top 28%
×21story building
+280ft-26ft

Overall

1814

Males

1308

M20-24

161

12M→Finish

12.0 - 13.1 mi

Top 27%
×7story building
+14ft-89ft

Overall

1793

Males

1308

M20-24

170

Passing Analysis

Category:
Passed
498*
Passed By
515
Net Change
-17
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1497
2M → 4M8480+4#1497#1493
4M → 6M6856+12#1493#1481
6M → 8M21332+181#1481#1300
8M → 9.6M11214-203#1300#1503
9.6M → 10M2030-10#1503#1513
10M → 10.5M63+3#1513#1510
10.5M → 12M5375-22#1510#1532
12M → Finish43*25+18#1532#1514
TOTALS498*515-17

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

Passing Charts

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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