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SF MARATHON 1ST HALF 2026

Ruibin Choo

Bib: 16299•M•Age: 32

SF, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Division (M30-34)
#0 / 772
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
10:47/mi
21:35
→ flat
4M
10:43/mi
43:00
↑ 67↓ 69
6M
10:47/mi
1:04:35
↑ 1231.1%
8M
12:09/mi
1:28:54
↑ 166↓ 531.1%
9.6M
8:17/mi
1:42:10
↑ 68↓ 1931.5%
10M
19:19/mi
1:49:53
↓ 241.1%
10.5M
5:22/mi
1:52:34
↓ 732.7%
12M
14:41/mi
2:14:36
↑ 2803.2%
Finish· 13.11 mi
10:43/mi
2:26:29
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:04:35
Pace10:46 /mi
2nd Half
Distance7.11 mi
Time1:21:54
Pace11:31 /mi
📊Positive Split: 26.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:08:4421:3510:4721:35
10:47
-
4M
4.00 mi07:30:0943:0010:4521:25
10:43
-0:04
6M
6.00 mi07:51:441:04:3510:4621:35
10:47
+0:04
8M
8.00 mi08:16:031:28:5411:0724:19
12:09
+1:22
9.6M
9.60 mi08:29:191:42:1010:3913:16
8:17
-3:52
10M
10.00 mi08:37:021:49:5310:597:43
19:19
+11:02
10.5M
10.50 mi08:39:431:52:3410:432:41
5:22
-13:57
12M
12.00 mi09:01:452:14:3611:1322:02
14:41
+9:19
Finish
13.11 mi09:13:382:26:2911:1011:53
10:43
-3:58

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

5:22 /mi

Average Pace

11:10 /mi

Slowest Pace

19:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

15:57

11% of race

Time at Steady Pace

1:40:47

69% of race

Time at Slower Pace

29:45

20% of race

Average Pace: 11:10 /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 mi07:08:4421:3510:4721:35
10:47
#4361
4M
4.00 mi07:30:0943:0010:4521:25
10:43
#4062
6M
6.00 mi07:51:441:04:3510:4621:35
10:47
#3870
8M
8.00 mi08:16:031:28:5411:0724:19
12:09
#4107
9.6M
9.60 mi08:29:191:42:1010:3913:16
8:17
#3690
10M
10.00 mi08:37:021:49:5310:597:43
19:19
#3625
10.5M
10.50 mi08:39:431:52:3410:432:41
5:22
#3626
12M
12.00 mi09:01:452:14:3611:1322:02
14:41
#3542
Finish
13.11 mi09:13:382:26:2911:1011:53
10:43
#3531
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 49%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:24

Segment Time

11:34/mi

Pace

0.90 mi

Distance

Overall

3235

Men

2131

Division

465

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi2.00 mi436127575813305(Top 50%)2123(Top 59%)470(Top 61%)
4M4.00 mi2.00 mi4062+2992615+142554+273854(Top 59%)2501(Top 69%)515(Top 67%)
6M6.00 mi2.00 mi3870+1922517+98529+253644(Top 55%)2396(Top 66%)509(Top 66%)
8M8.00 mi2.00 mi4107-2372656-139556-274730(Top 72%)2957(Top 82%)631(Top 82%)
9.6M9.60 mi1.60 mi3690+4172420+236509+471859(Top 28%)1232(Top 34%)265(Top 34%)
10M10.00 mi0.40 mi3625+652382+38502+73135(Top 48%)2069(Top 57%)452(Top 59%)
10.5M10.50 mi0.50 mi3626-12385-3503-14042(Top 61%)2551(Top 70%)546(Top 71%)
12M12.00 mi1.50 mi3542+842326+59490+133305(Top 50%)2123(Top 59%)470(Top 61%)
Finish13.11 mi1.11 mi3531+112319+7493-33715(Top 57%)2342(Top 65%)517(Top 67%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 50%
~flat
+5ft-3ft

Overall

3305

Males

2123

M30-34

471

2M→4M

2.0 - 4.0 mi

Top 59%
×4story building
+67ft-69ft

Overall

3854

Males

2501

M30-34

518

4M→6M

4.0 - 6.0 mi

Top 55%
×9story building
+123ft-9ft

Overall

3644

Males

2396

M30-34

511

6M→8M

6.0 - 8.0 mi

Top 72%
×12story building
+166ft-53ft

Overall

4730

Males

2957

M30-34

633

8M→9.6M

8.0 - 9.6 mi

Top 28%
×13story building
+68ft-193ft

Overall

1859

Males

1232

M30-34

266

9.6M→10M

9.6 - 10.0 mi

Top 48%
×2story building
+0ft-24ft

Overall

3135

Males

2069

M30-34

453

10M→10.5M

10.0 - 10.5 mi

Top 61%
×6story building
+1ft-73ft

Overall

4042

Males

2551

M30-34

548

10.5M→12M

10.5 - 12.0 mi

Top 50%
×21story building
+280ft-26ft

Overall

3305

Males

2123

M30-34

471

12M→Finish

12.0 - 13.1 mi

Top 57%
×7story building
+14ft-89ft

Overall

3715

Males

2342

M30-34

517

Passing Analysis

Category:
Athletes Passed
1345*
Passed By
515
Net Change
+830
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4361
2M → 4M36061+299#4361#4062
4M → 6M237*45+192#4062#3870
6M → 8M65*302-237#3870#4107
8M → 9.6M4247+417#4107#3690
9.6M → 10M7712+65#3690#3625
10M → 10.5M78-1#3625#3626
10.5M → 12M134*50+84#3626#3542
12M → Finish41*30+11#3542#3531
TOTALS1345*515+830

* 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