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SF MARATHON 1ST HALF 2026

Henry Choi

Bib: 16143•M•Age: 35

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 38%
Gender (Male)
#0 / 3619
Top 48%
Division (M35-39)
#0 / 582
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
10:49/mi
21:38
→ flat
4M
10:26/mi
42:29
↑ 67↓ 69
6M
10:12/mi
1:02:53
↑ 1231.1%
8M
9:24/mi
1:21:40
↑ 166↓ 531.1%
9.6M
9:24/mi
1:36:42
↑ 68↓ 1931.5%
10M
15:59/mi
1:43:05
↓ 241.1%
10.5M
4:28/mi
1:45:19
↓ 732.7%
12M
12:58/mi
2:04:46
↑ 2803.2%
Finish· 13.11 mi
9:46/mi
2:15:36
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:02:53
Pace10:29 /mi
2nd Half
Distance7.11 mi
Time1:12:43
Pace10:14 /mi
📊Positive Split: 15.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:08:5721:3810:4921:38
10:49
-
4M
4.00 mi07:29:4842:2910:3720:51
10:26
-0:23
6M
6.00 mi07:50:121:02:5310:2920:24
10:12
-0:14
8M
8.00 mi08:08:591:21:4010:1318:47
9:24
-0:48
9.6M
9.60 mi08:24:011:36:4210:0415:02
9:24
0:00
10M
10.00 mi08:30:241:43:0510:196:23
15:59
+6:35
10.5M
10.50 mi08:32:381:45:1910:022:14
4:28
-11:31
12M
12.00 mi08:52:052:04:4610:2419:27
12:58
+8:30
Finish
13.11 mi09:02:552:15:3610:2110:50
9:46
-3:12

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

4:28 /mi

Average Pace

10:21 /mi

Slowest Pace

15:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14

2% of race

Time at Steady Pace

1:47:32

79% of race

Time at Slower Pace

25:50

19% of race

Average Pace: 10:21 /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 mi07:08:5721:3810:4921:38
10:49
#4404
4M
4.00 mi07:29:4842:2910:3720:51
10:26
#3867
6M
6.00 mi07:50:121:02:5310:2920:24
10:12
#3458
8M
8.00 mi08:08:591:21:4010:1318:47
9:24
#2934
9.6M
9.60 mi08:24:011:36:4210:0415:02
9:24
#2926
10M
10.00 mi08:30:241:43:0510:196:23
15:59
#2754
10.5M
10.50 mi08:32:381:45:1910:022:14
4:28
#2720
12M
12.00 mi08:52:052:04:4610:2419:27
12:58
#2534
Finish
13.11 mi09:02:552:15:3610:2110:50
9:46
#2512
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 19%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:37

Segment Time

9:35/mi

Pace

0.90 mi

Distance

Overall

1271

Men

989

Division

165

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi440427754531900(Top 29%)1361(Top 38%)231(Top 40%)
4M4.00 mi2.00 mi3867+5372519+256425+283416(Top 52%)2278(Top 63%)388(Top 67%)
6M6.00 mi2.00 mi3458+4092293+226386+392910(Top 44%)2011(Top 56%)339(Top 58%)
8M8.00 mi2.00 mi2934+5242033+260345+411673(Top 25%)1278(Top 35%)222(Top 38%)
9.6M9.60 mi1.60 mi2926+82007+26343+23228(Top 49%)2005(Top 55%)334(Top 57%)
10M10.00 mi0.40 mi2754+1721899+108325+181242(Top 19%)944(Top 26%)151(Top 26%)
10.5M10.50 mi0.50 mi2720+341878+21320+51779(Top 27%)1330(Top 37%)226(Top 39%)
12M12.00 mi1.50 mi2534+1861765+113300+201900(Top 29%)1361(Top 38%)231(Top 40%)
Finish13.11 mi1.11 mi2512+221754+11295+52568(Top 39%)1747(Top 48%)281(Top 48%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 29%
~flat
+5ft-3ft

Overall

1900

Males

1361

M35-39

231

2M→4M

2.0 - 4.0 mi

Top 52%
×4story building
+67ft-69ft

Overall

3416

Males

2278

M35-39

388

4M→6M

4.0 - 6.0 mi

Top 44%
×9story building
+123ft-9ft

Overall

2910

Males

2011

M35-39

339

6M→8M

6.0 - 8.0 mi

Top 25%
×12story building
+166ft-53ft

Overall

1673

Males

1278

M35-39

222

8M→9.6M

8.0 - 9.6 mi

Top 49%
×13story building
+68ft-193ft

Overall

3228

Males

2005

M35-39

334

9.6M→10M

9.6 - 10.0 mi

Top 19%
×2story building
+0ft-24ft

Overall

1242

Males

944

M35-39

151

10M→10.5M

10.0 - 10.5 mi

Top 27%
×6story building
+1ft-73ft

Overall

1779

Males

1330

M35-39

226

10.5M→12M

10.5 - 12.0 mi

Top 29%
×21story building
+280ft-26ft

Overall

1900

Males

1361

M35-39

231

12M→Finish

12.0 - 13.1 mi

Top 39%
×7story building
+14ft-89ft

Overall

2568

Males

1747

M35-39

281

Passing Analysis

Category:
Athletes Passed
2101*
Passed By
209
Net Change
+1892
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4404
2M → 4M56023+537#4404#3867
4M → 6M414*5+409#3867#3458
6M → 8M528*4+524#3458#2934
8M → 9.6M126118+8#2934#2926
9.6M → 10M1753+172#2926#2754
10M → 10.5M340+34#2754#2720
10.5M → 12M21226+186#2720#2534
12M → Finish52*30+22#2534#2512
TOTALS2101*209+1892

* 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