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SF MARATHON 1ST HALF 2026

Josh Chung

New York, NY

Bib: 12546 M 25

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 18%
Gender (Male)
#0 / 3619
Top 26%
Division (M25-29)
#0 / 796
Top 29%
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
8:33/mi
17:06
→ flat
12 ft elev
4M
8:36/mi
34:17
↑ 67↓ 69
10 ft elev
6M
8:30/mi
51:17
↑ 1231.1%
126 ft elev
8M
9:43/mi
1:10:44
↑ 166↓ 531.1%
246 ft elev
9.6M
7:02/mi
1:21:59
↑ 68↓ 1931.5%
126 ft elev
10M
16:21/mi
1:28:31
↓ 241.1%
90 ft elev
10.5M
4:24/mi
1:30:43
↓ 732.7%
18 ft elev
12M
12:51/mi
1:49:59
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
9:02/mi
2:00:00
↑ 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
51:178:33 /mi⚡ faster
2nd Half
1:08:439:40 /mi+34.0%
Positive split — 34.0% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:55:1117:068:3317:06
8:33
-
4M
4.00 mi07:12:2234:178:3417:11
8:36
+0:03
6M
6.00 mi07:29:2251:178:3317:00
8:30
-0:06
8M
8.00 mi07:48:491:10:448:5019:27
9:43
+1:13
9.6M
9.60 mi08:00:041:21:598:3211:15
7:02
-2:41
10M
10.00 mi08:06:361:28:318:516:32
16:21
+9:19
10.5M
10.50 mi08:08:481:30:438:382:12
4:24
-11:57
12M
12.00 mi08:28:041:49:599:1019:16
12:51
+8:27
Finish
13.11 mi08:38:052:00:009:0910:01
9:02
-3:49

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

4:24 /mi

Average Pace

9:09 /mi

Slowest Pace

16:21 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:12

2% of race

Time at Steady Pace

1:32:00

77% of race

Time at Slower Pace

25:48

22% of race

Average Pace: 9:09 /mi

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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.

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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 mi06:55:1117:068:3317:06
8:33
#970
4M
4.00 mi07:12:2234:178:3417:11
8:36
#943
6M
6.00 mi07:29:2251:178:3317:00
8:30
#899
8M
8.00 mi07:48:491:10:448:5019:27
9:43
#1158
9.6M
9.60 mi08:00:041:21:598:3211:15
7:02
#965
10M
10.00 mi08:06:361:28:318:516:32
16:21
#978
10.5M
10.50 mi08:08:481:30:438:382:12
4:24
#982
12M
12.00 mi08:28:041:49:599:1019:16
12:51
#1140
Finish
13.11 mi08:38:052:00:009:0910:01
9:02
#1171
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 21%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:44

Segment Time

9:42/mi

Pace

0.90 mi

Distance

Overall

1382

Men

1066

Division

260

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi97078019318081304311
4M4.00 mi2.00 mi943+27764+16182+11943762182
6M6.00 mi2.00 mi899+44731+33175+7856698170
8M8.00 mi2.00 mi1158-259933-202221-4620391519367
9.6M9.60 mi1.60 mi965+193779+154191+30692512120
10M10.00 mi0.40 mi978-13790-11192-114211073250
10.5M10.50 mi0.50 mi982-4794-4195-315361181290
12M12.00 mi1.50 mi1140-158909-115224-2918081304311
Finish13.11 mi1.11 mi1171-31932-23229-516701228299

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 27%
~flat
+5ft-3ft

Overall

1808

Males

1304

M25-29

312

2M→4M

2.0 - 4.0 mi

Top 14%
×4story building
+67ft-69ft

Overall

943

Males

762

M25-29

182

4M→6M

4.0 - 6.0 mi

Top 13%
×9story building
+123ft-9ft

Overall

856

Males

698

M25-29

170

6M→8M

6.0 - 8.0 mi

Top 31%
×12story building
+166ft-53ft

Overall

2039

Males

1519

M25-29

368

8M→9.6M

8.0 - 9.6 mi

Top 11%
×13story building
+68ft-193ft

Overall

692

Males

512

M25-29

120

9.6M→10M

9.6 - 10.0 mi

Top 22%
×2story building
+0ft-24ft

Overall

1421

Males

1073

M25-29

251

10M→10.5M

10.0 - 10.5 mi

Top 23%
×6story building
+1ft-73ft

Overall

1536

Males

1181

M25-29

291

10.5M→12M

10.5 - 12.0 mi

Top 27%
×21story building
+280ft-26ft

Overall

1808

Males

1304

M25-29

312

12M→Finish

12.0 - 13.1 mi

Top 25%
×7story building
+14ft-89ft

Overall

1670

Males

1228

M25-29

299

Passing Analysis

Category:
Athletes Passed
445*
Passed By
646
Net Change
-201
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#970
2M → 4M8760+27#970#943
4M → 6M6824+44#943#899
6M → 8M15274-259#899#1158
8M → 9.6M21421+193#1158#965
9.6M → 10M1023-13#965#978
10M → 10.5M15-4#978#982
10.5M → 12M22180-158#982#1140
12M → Finish28*59-31#1140#1171
TOTALS445*646-201

* 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

Race Place Events

Race Place Events