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SF MARATHON 1ST HALF 2026

Justin Choy

Bib: 16836•M•Age: 28

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 30%
Gender (Male)
#0 / 3619
Top 40%
Division (M25-29)
#0 / 796
Top 44%
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
9:38/mi
19:17
→ flat
4M
9:30/mi
38:16
↑ 67↓ 69
6M
9:44/mi
57:44
↑ 1231.1%
8M
8:56/mi
1:15:37
↑ 166↓ 531.1%
9.6M
8:56/mi
1:29:55
↑ 68↓ 1931.5%
10M
17:19/mi
1:36:50
↓ 241.1%
10.5M
4:40/mi
1:39:10
↓ 732.7%
12M
13:08/mi
1:58:52
↑ 2803.2%
Finish· 13.11 mi
9:39/mi
2:09:34
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time57:44
Pace9:37 /mi
2nd Half
Distance7.11 mi
Time1:11:50
Pace10:06 /mi
📊Positive Split: 24.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:57:3719:179:3819:17
9:38
-
4M
4.00 mi07:16:3638:169:3418:59
9:30
-0:08
6M
6.00 mi07:36:0457:449:3719:28
9:44
+0:14
8M
8.00 mi07:53:571:15:379:2717:53
8:56
-0:48
9.6M
9.60 mi08:08:151:29:559:2214:18
8:56
0:00
10M
10.00 mi08:15:101:36:509:416:55
17:19
+8:23
10.5M
10.50 mi08:17:301:39:109:272:20
4:40
-12:39
12M
12.00 mi08:37:121:58:529:5419:42
13:08
+8:28
Finish
13.11 mi08:47:542:09:349:5310:42
9:39
-3:29

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

4:40 /mi

Average Pace

9:53 /mi

Slowest Pace

17:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20

2% of race

Time at Steady Pace

1:40:37

78% of race

Time at Slower Pace

26:37

21% of race

Average Pace: 9:53 /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 mi06:57:3719:179:3819:17
9:38
#2485
4M
4.00 mi07:16:3638:169:3418:59
9:30
#2252
6M
6.00 mi07:36:0457:449:3719:28
9:44
#2255
8M
8.00 mi07:53:571:15:379:2717:53
8:56
#1931
9.6M
9.60 mi08:08:151:29:559:2214:18
8:56
#2002
10M
10.00 mi08:15:101:36:509:416:55
17:19
#1984
10.5M
10.50 mi08:17:301:39:109:272:20
4:40
#1991
12M
12.00 mi08:37:121:58:529:5419:42
13:08
#1977
Finish
13.11 mi08:47:542:09:349:5310:42
9:39
#1993
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 30%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:15

Segment Time

10:17/mi

Pace

0.90 mi

Distance

Overall

1981

Men

1424

Division

345

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi248517624112032(Top 31%)1440(Top 40%)346(Top 43%)
4M4.00 mi2.00 mi2252+2331625+137389+222098(Top 32%)1540(Top 43%)370(Top 46%)
6M6.00 mi2.00 mi2255-31622+3387+22321(Top 35%)1658(Top 46%)395(Top 50%)
8M8.00 mi2.00 mi1931+3241444+178346+411211(Top 18%)956(Top 26%)229(Top 29%)
9.6M9.60 mi1.60 mi2002-711472-28352-62661(Top 40%)1691(Top 47%)403(Top 51%)
10M10.00 mi0.40 mi1984+181448+24343+91978(Top 30%)1418(Top 39%)345(Top 43%)
10.5M10.50 mi0.50 mi1991-71454-6346-32247(Top 34%)1591(Top 44%)377(Top 47%)
12M12.00 mi1.50 mi1977+141434+20340+62032(Top 31%)1440(Top 40%)346(Top 43%)
Finish13.11 mi1.11 mi1993-161444-10348-82441(Top 37%)1671(Top 46%)393(Top 49%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 31%
~flat
+5ft-3ft

Overall

2032

Males

1440

M25-29

347

2M→4M

2.0 - 4.0 mi

Top 32%
×4story building
+67ft-69ft

Overall

2098

Males

1540

M25-29

370

4M→6M

4.0 - 6.0 mi

Top 35%
×9story building
+123ft-9ft

Overall

2321

Males

1658

M25-29

396

6M→8M

6.0 - 8.0 mi

Top 18%
×12story building
+166ft-53ft

Overall

1211

Males

956

M25-29

229

8M→9.6M

8.0 - 9.6 mi

Top 40%
×13story building
+68ft-193ft

Overall

2661

Males

1691

M25-29

403

9.6M→10M

9.6 - 10.0 mi

Top 30%
×2story building
+0ft-24ft

Overall

1978

Males

1418

M25-29

346

10M→10.5M

10.0 - 10.5 mi

Top 34%
×6story building
+1ft-73ft

Overall

2247

Males

1591

M25-29

378

10.5M→12M

10.5 - 12.0 mi

Top 31%
×21story building
+280ft-26ft

Overall

2032

Males

1440

M25-29

347

12M→Finish

12.0 - 13.1 mi

Top 37%
×7story building
+14ft-89ft

Overall

2441

Males

1671

M25-29

393

Passing Analysis

Category:
Athletes Passed
898*
Passed By
406
Net Change
+492
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2485
2M → 4M26431+233#2485#2252
4M → 6M8588-3#2252#2255
6M → 8M332*8+324#2255#1931
8M → 9.6M57128-71#1931#2002
9.6M → 10M4426+18#2002#1984
10M → 10.5M411-7#1984#1991
10.5M → 12M7561+14#1991#1977
12M → Finish37*53-16#1977#1993
TOTALS898*406+492

* 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