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SF MARATHON 1ST HALF 2026

Vincent Tjeng

San Francisco, CA

Bib: 12817 M 33

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
2M
12:13/mi
24:26
→ flat
12 ft elev
4M
12:46/mi
49:57
↑ 67↓ 69
10 ft elev
6M
14:21/mi
1:18:39
↑ 1231.1%
126 ft elev
8M
12:29/mi
1:43:36
↑ 166↓ 531.1%
246 ft elev
9.6M
12:29/mi
2:03:34
↑ 68↓ 1931.5%
126 ft elev
10M
23:04/mi
2:12:47
↓ 241.1%
90 ft elev
10.5M
6:00/mi
2:15:47
↓ 732.7%
18 ft elev
12M
18:00/mi
2:42:47
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
12:37/mi
2:56:47
↑ 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
Time1:18:39
Pace13:07 /mi
2nd Half
Distance7.11 mi
Time1:38:08
Pace13:48 /mi
📊Positive Split: 24.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:11:1024:2612:1324:26
12:13
-
4M
4.00 mi07:36:4149:5712:2925:31
12:46
+0:33
6M
6.00 mi08:05:231:18:3913:0728:42
14:21
+1:35
8M
8.00 mi08:30:201:43:3612:5724:57
12:29
-1:52
9.6M
9.60 mi08:50:182:03:3412:5219:58
12:29
0:00
10M
10.00 mi08:59:312:12:4713:179:13
23:04
+10:35
10.5M
10.50 mi09:02:312:15:4712:563:00
6:00
-17:04
12M
12.00 mi09:29:312:42:4713:3427:00
18:00
+12:00
Finish
13.11 mi09:43:312:56:4713:2914:00
12:37
-5:23

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

6:00 /mi

Average Pace

13:29 /mi

Slowest Pace

23:04 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00

2% of race

Time at Steady Pace

2:17:34

78% of race

Time at Slower Pace

36:13

20% of race

Average Pace: 13:29 /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 mi07:11:1024:2612:1324:26
12:13
#6046
4M
4.00 mi07:36:4149:5712:2925:31
12:46
#6052
6M
6.00 mi08:05:231:18:3913:0728:42
14:21
#6210
8M
8.00 mi08:30:201:43:3612:5724:57
12:29
#6012
9.6M
9.60 mi08:50:182:03:3412:5219:58
12:29
#6084
10M
10.00 mi08:59:312:12:4713:179:13
23:04
#6038
10.5M
10.50 mi09:02:312:15:4712:563:00
6:00
#6020
12M
12.00 mi09:29:312:42:4713:3427:00
18:00
#5955
Finish
13.11 mi09:43:312:56:4713:2914:00
12:37
#5908
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 76%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:13

Segment Time

13:35/mi

Pace

0.90 mi

Distance

Overall

5024

Men

2968

Division

643

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi2.00 mi6046344973354293120675
4M4.00 mi2.00 mi6052-63449736-359973419734
6M6.00 mi2.00 mi6210-1583515-66752-1663383549762
8M8.00 mi2.00 mi6012+1983453+62743+950113071646
9.6M9.60 mi1.60 mi6084-723469-16744-160793422729
10M10.00 mi0.40 mi6038+463445+24735+950002953645
10.5M10.50 mi0.50 mi6020+183437+873553863129665
12M12.00 mi1.50 mi5955+653406+31727+854293120675
Finish13.11 mi1.11 mi5908+473385+21722+553493064649

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 83%
~flat
+5ft-3ft

Overall

5429

Males

3120

M30-34

677

2M→4M

2.0 - 4.0 mi

Top 91%
×4story building
+67ft-69ft

Overall

5997

Males

3419

M30-34

737

4M→6M

4.0 - 6.0 mi

Top 96%
×9story building
+123ft-9ft

Overall

6338

Males

3549

M30-34

765

6M→8M

6.0 - 8.0 mi

Top 76%
×12story building
+166ft-53ft

Overall

5011

Males

3071

M30-34

648

8M→9.6M

8.0 - 9.6 mi

Top 92%
×13story building
+68ft-193ft

Overall

6079

Males

3422

M30-34

731

9.6M→10M

9.6 - 10.0 mi

Top 76%
×2story building
+0ft-24ft

Overall

5000

Males

2953

M30-34

647

10M→10.5M

10.0 - 10.5 mi

Top 82%
×6story building
+1ft-73ft

Overall

5386

Males

3129

M30-34

667

10.5M→12M

10.5 - 12.0 mi

Top 83%
×21story building
+280ft-26ft

Overall

5429

Males

3120

M30-34

677

12M→Finish

12.0 - 13.1 mi

Top 81%
×7story building
+14ft-89ft

Overall

5349

Males

3064

M30-34

649

Passing Analysis

Category:
Athletes Passed
618*
Passed By
480
Net Change
+138
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#6046
2M → 4M120*126-6#6046#6052
4M → 6M30*188-158#6052#6210
6M → 8M204*6+198#6210#6012
8M → 9.6M34106-72#6012#6084
9.6M → 10M6115+46#6084#6038
10M → 10.5M202+18#6038#6020
10.5M → 12M93*28+65#6020#5955
12M → Finish56*9+47#5955#5908
TOTALS618*480+138

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

Passing Charts

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