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SF MARATHON 1ST HALF 2026

Alan Chen

Bib: 20549•M•Age: 33

Foster City

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
10:49/mi
21:39
→ flat
4M
10:52/mi
43:22
↑ 67↓ 69
6M
10:54/mi
1:05:10
↑ 1231.1%
8M
10:48/mi
1:26:46
↑ 166↓ 531.1%
9.6M
10:48/mi
1:44:02
↑ 68↓ 1931.5%
10M
20:04/mi
1:52:03
↓ 241.1%
10.5M
5:20/mi
1:54:43
↓ 732.7%
12M
14:51/mi
2:16:59
↑ 2803.2%
Finish· 13.11 mi
11:02/mi
2:29:13
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:05:10
Pace10:52 /mi
2nd Half
Distance7.11 mi
Time1:24:03
Pace11:49 /mi
📊Positive Split: 29.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:08:0021:3910:4921:39
10:49
-
4M
4.00 mi07:29:4343:2210:5121:43
10:52
+0:03
6M
6.00 mi07:51:311:05:1010:5221:48
10:54
+0:02
8M
8.00 mi08:13:071:26:4610:5121:36
10:48
-0:06
9.6M
9.60 mi08:30:231:44:0210:5017:16
10:48
0:00
10M
10.00 mi08:38:241:52:0311:128:01
20:04
+9:16
10.5M
10.50 mi08:41:041:54:4310:562:40
5:20
-14:44
12M
12.00 mi09:03:202:16:5911:2522:16
14:51
+9:31
Finish
13.11 mi09:15:342:29:1311:2312:14
11:02
-3:49

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

5:20 /mi

Average Pace

11:23 /mi

Slowest Pace

20:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40

2% of race

Time at Steady Pace

1:56:16

78% of race

Time at Slower Pace

30:17

20% of race

Average Pace: 11:23 /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 mi07:08:0021:3910:4921:39
10:49
#4425
4M
4.00 mi07:29:4343:2210:5121:43
10:52
#4189
6M
6.00 mi07:51:311:05:1010:5221:48
10:54
#3990
8M
8.00 mi08:13:071:26:4610:5121:36
10:48
#3760
9.6M
9.60 mi08:30:231:44:0210:5017:16
10:48
#3921
10M
10.00 mi08:38:241:52:0311:128:01
20:04
#3863
10.5M
10.50 mi08:41:041:54:4310:562:40
5:20
#3869
12M
12.00 mi09:03:202:16:5911:2522:16
14:51
#3781
Finish
13.11 mi09:15:342:29:1311:2312:14
11:02
#3772
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 54%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:41

Segment Time

11:52/mi

Pace

0.90 mi

Distance

Overall

3521

Men

2267

Division

493

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi2.00 mi442527895873423(Top 52%)2180(Top 60%)476(Top 62%)
4M4.00 mi2.00 mi4189+2362673+116562+254033(Top 61%)2599(Top 72%)538(Top 70%)
6M6.00 mi2.00 mi3990+1992587+86542+203776(Top 57%)2463(Top 68%)525(Top 68%)
8M8.00 mi2.00 mi3760+2302463+124518+243294(Top 50%)2229(Top 62%)479(Top 62%)
9.6M9.60 mi1.60 mi3921-1612537-74536-184825(Top 73%)2828(Top 78%)603(Top 78%)
10M10.00 mi0.40 mi3863+582492+45527+93514(Top 53%)2255(Top 62%)493(Top 64%)
10.5M10.50 mi0.50 mi3869-62497-55273977(Top 60%)2524(Top 70%)536(Top 69%)
12M12.00 mi1.50 mi3781+882451+46515+123423(Top 52%)2180(Top 60%)476(Top 62%)
Finish13.11 mi1.11 mi3772+92446+5519-44045(Top 62%)2506(Top 69%)542(Top 70%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 52%
~flat
+5ft-3ft

Overall

3423

Males

2180

M30-34

477

2M→4M

2.0 - 4.0 mi

Top 61%
×4story building
+67ft-69ft

Overall

4033

Males

2599

M30-34

541

4M→6M

4.0 - 6.0 mi

Top 57%
×9story building
+123ft-9ft

Overall

3776

Males

2463

M30-34

527

6M→8M

6.0 - 8.0 mi

Top 50%
×12story building
+166ft-53ft

Overall

3294

Males

2229

M30-34

481

8M→9.6M

8.0 - 9.6 mi

Top 73%
×13story building
+68ft-193ft

Overall

4825

Males

2828

M30-34

605

9.6M→10M

9.6 - 10.0 mi

Top 53%
×2story building
+0ft-24ft

Overall

3514

Males

2255

M30-34

495

10M→10.5M

10.0 - 10.5 mi

Top 60%
×6story building
+1ft-73ft

Overall

3977

Males

2524

M30-34

538

10.5M→12M

10.5 - 12.0 mi

Top 52%
×21story building
+280ft-26ft

Overall

3423

Males

2180

M30-34

477

12M→Finish

12.0 - 13.1 mi

Top 62%
×7story building
+14ft-89ft

Overall

4045

Males

2506

M30-34

542

Passing Analysis

Category:
Athletes Passed
1167*
Passed By
514
Net Change
+653
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4425
2M → 4M32084+236#4425#4189
4M → 6M245*46+199#4189#3990
6M → 8M273*43+230#3990#3760
8M → 9.6M40201-161#3760#3921
9.6M → 10M7416+58#3921#3863
10M → 10.5M1420-6#3863#3869
10.5M → 12M141*53+88#3869#3781
12M → Finish60*51+9#3781#3772
TOTALS1167*514+653

* 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