San Francisco Marathon logo
SF MARATHON 1ST HALF 2026

Taigyu Joo

Bib: 17227•M•Age: 32

San Mateo, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6575
Top 24%
Gender (Male)
#0 / 3619
Top 33%
Division (M30-34)
#0 / 772
Top 35%
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
8:44/mi
17:29
→ flat
4M
8:49/mi
35:06
↑ 67↓ 69
6M
8:45/mi
52:36
↑ 1231.1%
8M
8:41/mi
1:09:58
↑ 166↓ 531.1%
9.6M
8:41/mi
1:23:52
↑ 68↓ 1931.5%
10M
18:24/mi
1:31:13
↓ 241.1%
10.5M
4:08/mi
1:33:17
↓ 732.7%
12M
13:53/mi
1:54:06
↑ 2803.2%
Finish· 13.11 mi
9:49/mi
2:04:59
↑ 14↓ 891.3%

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time52:36
Pace8:46 /mi
2nd Half
Distance7.11 mi
Time1:12:23
Pace10:11 /mi
📊Positive Split: 37.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:54:3417:298:4417:29
8:44
-
4M
4.00 mi07:12:1135:068:4717:37
8:49
+0:05
6M
6.00 mi07:29:4152:368:4617:30
8:45
-0:04
8M
8.00 mi07:47:031:09:588:4517:22
8:41
-0:04
9.6M
9.60 mi08:00:571:23:528:4413:54
8:41
0:00
10M
10.00 mi08:08:181:31:139:077:21
18:24
+9:43
10.5M
10.50 mi08:10:221:33:178:532:04
4:08
-14:16
12M
12.00 mi08:31:111:54:069:3120:49
13:53
+9:45
Finish
13.11 mi08:42:042:04:599:3210:53
9:49
-4:04

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

4:08 /mi

Average Pace

9:32 /mi

Slowest Pace

18:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04

2% of race

Time at Steady Pace

1:34:45

76% of race

Time at Slower Pace

28:10

23% of race

Average Pace: 9:32 /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 mi06:54:3417:298:4417:29
8:44
#1174
4M
4.00 mi07:12:1135:068:4717:37
8:49
#1161
6M
6.00 mi07:29:4152:368:4617:30
8:45
#1124
8M
8.00 mi07:47:031:09:588:4517:22
8:41
#1038
9.6M
9.60 mi08:00:571:23:528:4413:54
8:41
#1232
10M
10.00 mi08:08:181:31:139:077:21
18:24
#1340
10.5M
10.50 mi08:10:221:33:178:532:04
4:08
#1322
12M
12.00 mi08:31:111:54:069:3120:49
13:53
#1525
Finish
13.11 mi08:42:042:04:599:3210:53
9:49
#1576
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 33%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:25

Segment Time

10:28/mi

Pace

0.90 mi

Distance

Overall

2162

Men

1531

Division

335

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi2.00 mi11749211932625(Top 40%)1777(Top 49%)381(Top 49%)
4M4.00 mi2.00 mi1161+13919+2195-21165(Top 18%)930(Top 26%)204(Top 26%)
6M6.00 mi2.00 mi1124+37896+23193+21107(Top 17%)893(Top 25%)201(Top 26%)
8M8.00 mi2.00 mi1038+86840+56185+8985(Top 15%)811(Top 22%)172(Top 22%)
9.6M9.60 mi1.60 mi1232-194979-139216-312343(Top 36%)1521(Top 42%)329(Top 43%)
10M10.00 mi0.40 mi1340-1081054-75231-152611(Top 40%)1785(Top 49%)388(Top 50%)
10.5M10.50 mi0.50 mi1322+181044+10230+1917(Top 14%)743(Top 21%)167(Top 22%)
12M12.00 mi1.50 mi1525-2031163-119263-332625(Top 40%)1777(Top 49%)381(Top 49%)
Finish13.11 mi1.11 mi1576-511204-41268-52615(Top 40%)1772(Top 49%)405(Top 52%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 40%
~flat
+5ft-3ft

Overall

2625

Males

1777

M30-34

382

2M→4M

2.0 - 4.0 mi

Top 18%
×4story building
+67ft-69ft

Overall

1165

Males

930

M30-34

205

4M→6M

4.0 - 6.0 mi

Top 17%
×9story building
+123ft-9ft

Overall

1107

Males

893

M30-34

202

6M→8M

6.0 - 8.0 mi

Top 15%
×12story building
+166ft-53ft

Overall

985

Males

811

M30-34

173

8M→9.6M

8.0 - 9.6 mi

Top 36%
×13story building
+68ft-193ft

Overall

2343

Males

1521

M30-34

330

9.6M→10M

9.6 - 10.0 mi

Top 40%
×2story building
+0ft-24ft

Overall

2611

Males

1785

M30-34

389

10M→10.5M

10.0 - 10.5 mi

Top 14%
×6story building
+1ft-73ft

Overall

917

Males

743

M30-34

168

10.5M→12M

10.5 - 12.0 mi

Top 40%
×21story building
+280ft-26ft

Overall

2625

Males

1777

M30-34

382

12M→Finish

12.0 - 13.1 mi

Top 40%
×7story building
+14ft-89ft

Overall

2615

Males

1772

M30-34

405

Passing Analysis

Category:
Athletes Passed
364*
Passed By
766
Net Change
-402
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1174
2M → 4M8471+13#1174#1161
4M → 6M7134+37#1161#1124
6M → 8M13044+86#1124#1038
8M → 9.6M11205-194#1038#1232
9.6M → 10M8116-108#1232#1340
10M → 10.5M202+18#1340#1322
10.5M → 12M14217-203#1322#1525
12M → Finish26*77-51#1525#1576
TOTALS364*766-402

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events