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SF MARATHON 1ST HALF 2026

Justin Sam

Bib: 16919•M•Age: 31

SF, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 21%
Gender (Male)
#0 / 3619
Top 29%
Division (M30-34)
#0 / 772
Top 31%
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
9:05/mi
18:11
→ flat
4M
8:57/mi
36:04
↑ 67↓ 69
6M
8:49/mi
53:42
↑ 1231.1%
8M
8:36/mi
1:10:53
↑ 166↓ 531.1%
9.6M
8:36/mi
1:24:38
↑ 68↓ 1931.5%
10M
16:24/mi
1:31:11
↓ 241.1%
10.5M
4:26/mi
1:33:24
↓ 732.7%
12M
12:35/mi
1:52:16
↑ 2803.2%
Finish· 13.11 mi
8:57/mi
2:02:12
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time53:42
Pace8:57 /mi
2nd Half
Distance7.11 mi
Time1:08:30
Pace9:38 /mi
📊Positive Split: 27.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:55:2818:119:0518:11
9:05
-
4M
4.00 mi07:13:2136:049:0117:53
8:57
-0:08
6M
6.00 mi07:30:5953:428:5717:38
8:49
-0:08
8M
8.00 mi07:48:101:10:538:5217:11
8:36
-0:13
9.6M
9.60 mi08:01:551:24:388:4913:45
8:36
0:00
10M
10.00 mi08:08:281:31:119:076:33
16:24
+7:48
10.5M
10.50 mi08:10:411:33:248:542:13
4:26
-11:58
12M
12.00 mi08:29:331:52:169:2118:52
12:35
+8:09
Finish
13.11 mi08:39:292:02:129:199:56
8:57
-3:38

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

4:26 /mi

Average Pace

9:19 /mi

Slowest Pace

16:24 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13

2% of race

Time at Steady Pace

1:34:34

77% of race

Time at Slower Pace

25:25

21% of race

Average Pace: 9:19 /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 mi06:55:2818:119:0518:11
9:05
#1633
4M
4.00 mi07:13:2136:049:0117:53
8:57
#1485
6M
6.00 mi07:30:5953:428:5717:38
8:49
#1378
8M
8.00 mi07:48:101:10:538:5217:11
8:36
#1183
9.6M
9.60 mi08:01:551:24:388:4913:45
8:36
#1336
10M
10.00 mi08:08:281:31:119:076:33
16:24
#1333
10.5M
10.50 mi08:10:411:33:248:542:13
4:26
#1338
12M
12.00 mi08:29:331:52:169:2118:52
12:35
#1378
Finish
13.11 mi08:39:292:02:129:199:56
8:57
#1360
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 22%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:46

Segment Time

9:45/mi

Pace

0.90 mi

Distance

Overall

1438

Men

1101

Division

253

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi2.00 mi163312302731625(Top 25%)1183(Top 33%)266(Top 34%)
4M4.00 mi2.00 mi1485+1481142+88252+211351(Top 21%)1060(Top 29%)237(Top 31%)
6M6.00 mi2.00 mi1378+1071078+64241+111212(Top 18%)964(Top 27%)214(Top 28%)
8M8.00 mi2.00 mi1183+195954+124208+33905(Top 14%)754(Top 21%)156(Top 20%)
9.6M9.60 mi1.60 mi1336-1531052-98234-262224(Top 34%)1459(Top 40%)313(Top 41%)
10M10.00 mi0.40 mi1333+31050+2230+41458(Top 22%)1097(Top 30%)246(Top 32%)
10.5M10.50 mi0.50 mi1338-51054-4232-21638(Top 25%)1236(Top 34%)280(Top 36%)
12M12.00 mi1.50 mi1378-401072-18240-81625(Top 25%)1183(Top 33%)266(Top 34%)
Finish13.11 mi1.11 mi1360+181066+6239+11597(Top 24%)1187(Top 33%)263(Top 34%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 25%
~flat
+5ft-3ft

Overall

1625

Males

1183

M30-34

267

2M→4M

2.0 - 4.0 mi

Top 21%
×4story building
+67ft-69ft

Overall

1351

Males

1060

M30-34

239

4M→6M

4.0 - 6.0 mi

Top 18%
×9story building
+123ft-9ft

Overall

1212

Males

964

M30-34

215

6M→8M

6.0 - 8.0 mi

Top 14%
×12story building
+166ft-53ft

Overall

905

Males

754

M30-34

157

8M→9.6M

8.0 - 9.6 mi

Top 34%
×13story building
+68ft-193ft

Overall

2224

Males

1459

M30-34

314

9.6M→10M

9.6 - 10.0 mi

Top 22%
×2story building
+0ft-24ft

Overall

1458

Males

1097

M30-34

247

10M→10.5M

10.0 - 10.5 mi

Top 25%
×6story building
+1ft-73ft

Overall

1638

Males

1236

M30-34

281

10.5M→12M

10.5 - 12.0 mi

Top 25%
×21story building
+280ft-26ft

Overall

1625

Males

1183

M30-34

267

12M→Finish

12.0 - 13.1 mi

Top 24%
×7story building
+14ft-89ft

Overall

1597

Males

1187

M30-34

263

Passing Analysis

Category:
Athletes Passed
662*
Passed By
389
Net Change
+273
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1633
2M → 4M18032+148#1633#1485
4M → 6M12417+107#1485#1378
6M → 8M22025+195#1378#1183
8M → 9.6M26179-153#1183#1336
9.6M → 10M2421+3#1336#1333
10M → 10.5M510-5#1333#1338
10.5M → 12M4383-40#1338#1378
12M → Finish40*22+18#1378#1360
TOTALS662*389+273

* 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