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SF MARATHON 1ST HALF 2026

Korbone Fong

Jersey City, NJ

Bib: 20177 M 38

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 37%
Gender (Male)
#0 / 3619
Top 47%
Division (M35-39)
#0 / 582
Top 49%
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
12:14/mi
24:28
→ flat
12 ft elev
4M
9:07/mi
42:42
↑ 67↓ 69
10 ft elev
6M
10:11/mi
1:03:04
↑ 1231.1%
126 ft elev
8M
11:54/mi
1:26:52
↑ 166↓ 531.1%
246 ft elev
9.6M
7:04/mi
1:38:10
↑ 68↓ 1931.5%
126 ft elev
10M
15:16/mi
1:44:16
↓ 241.1%
90 ft elev
10.5M
3:56/mi
1:46:14
↓ 732.7%
18 ft elev
12M
12:19/mi
2:04:42
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
8:39/mi
2:14:18
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:03:04
Pace10:31 /mi
2nd Half
Distance7.11 mi
Time1:11:14
Pace10:01 /mi
📊Positive Split: 12.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:14:5724:2812:1424:28
12:14
-
4M
4.00 mi07:33:1142:4210:4118:14
9:07
-3:07
6M
6.00 mi07:53:331:03:0410:3120:22
10:11
+1:04
8M
8.00 mi08:17:211:26:5210:5123:48
11:54
+1:43
9.6M
9.60 mi08:28:391:38:1010:1411:18
7:04
-4:50
10M
10.00 mi08:34:451:44:1610:266:06
15:16
+8:12
10.5M
10.50 mi08:36:431:46:1410:071:58
3:56
-11:20
12M
12.00 mi08:55:112:04:4210:2418:28
12:19
+8:23
Finish
13.11 mi09:04:472:14:1810:159:36
8:39
-3:40

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

3:56 /mi

Average Pace

10:15 /mi

Slowest Pace

15:16 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

13:16

10% of race

Time at Steady Pace

48:12

36% of race

Time at Slower Pace

1:12:50

54% of race

Average Pace: 10:15 /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 mi07:14:5724:2812:1424:28
12:14
#6057
4M
4.00 mi07:33:1142:4210:4118:14
9:07
#3945
6M
6.00 mi07:53:331:03:0410:3120:22
10:11
#3512
8M
8.00 mi08:17:211:26:5210:5123:48
11:54
#3773
9.6M
9.60 mi08:28:391:38:1010:1411:18
7:04
#3144
10M
10.00 mi08:34:451:44:1610:266:06
15:16
#2895
10.5M
10.50 mi08:36:431:46:1410:071:58
3:56
#2837
12M
12.00 mi08:55:112:04:4210:2418:28
12:19
#2525
Finish
13.11 mi09:04:472:14:1810:159:36
8:39
#2401
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 11%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:04

Segment Time

8:58/mi

Pace

0.90 mi

Distance

Overall

700

Men

569

Division

89

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi605734555571441(Top 22%)1061(Top 29%)173(Top 30%)
4M4.00 mi2.00 mi3945+21122560+895429+1281597(Top 24%)1224(Top 34%)219(Top 38%)
6M6.00 mi2.00 mi3512+4332324+236392+372886(Top 44%)2000(Top 55%)337(Top 58%)
8M8.00 mi2.00 mi3773-2612471-147418-264462(Top 68%)2824(Top 78%)472(Top 81%)
9.6M9.60 mi1.60 mi3144+6292135+336364+54711(Top 11%)525(Top 15%)81(Top 14%)
10M10.00 mi0.40 mi2895+2491987+148341+23845(Top 13%)659(Top 18%)100(Top 17%)
10.5M10.50 mi0.50 mi2837+581955+32336+5540(Top 8%)457(Top 13%)71(Top 12%)
12M12.00 mi1.50 mi2525+3121760+195299+371441(Top 22%)1061(Top 29%)173(Top 30%)
Finish13.11 mi1.11 mi2401+1241690+70285+141257(Top 19%)966(Top 27%)158(Top 27%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 22%
~flat
+5ft-3ft

Overall

1441

Males

1061

M35-39

173

2M→4M

2.0 - 4.0 mi

Top 24%
×4story building
+67ft-69ft

Overall

1597

Males

1224

M35-39

219

4M→6M

4.0 - 6.0 mi

Top 44%
×9story building
+123ft-9ft

Overall

2886

Males

2000

M35-39

337

6M→8M

6.0 - 8.0 mi

Top 68%
×12story building
+166ft-53ft

Overall

4462

Males

2824

M35-39

472

8M→9.6M

8.0 - 9.6 mi

Top 11%
×13story building
+68ft-193ft

Overall

711

Males

525

M35-39

81

9.6M→10M

9.6 - 10.0 mi

Top 13%
×2story building
+0ft-24ft

Overall

845

Males

659

M35-39

100

10M→10.5M

10.0 - 10.5 mi

Top 8%
×6story building
+1ft-73ft

Overall

540

Males

457

M35-39

71

10.5M→12M

10.5 - 12.0 mi

Top 22%
×21story building
+280ft-26ft

Overall

1441

Males

1061

M35-39

173

12M→Finish

12.0 - 13.1 mi

Top 19%
×7story building
+14ft-89ft

Overall

1257

Males

966

M35-39

158

Passing Analysis

Category:
Athletes Passed
3975*
Passed By
319
Net Change
+3656
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#6057
2M → 4M2112*0+2112#6057#3945
4M → 6M438*5+433#3945#3512
6M → 8M41*302-261#3512#3773
8M → 9.6M6290+629#3773#3144
9.6M → 10M2501+249#3144#2895
10M → 10.5M580+58#2895#2837
10.5M → 12M32311+312#2837#2525
12M → Finish124*0+124#2525#2401
TOTALS3975*319+3656

* 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