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SF MARATHON 1ST HALF 2026

William Tsin

Palo Alto, CA

Bib: 13340 M 21

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 5%
Gender (Male)
#0 / 3619
Top 8%
M20-29
#0 / 358
Top 9%
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
8:02/mi
16:05
→ flat
12 ft elev
4M
7:51/mi
31:46
↑ 67↓ 69
10 ft elev
6M
7:37/mi
47:00
↑ 1231.1%
126 ft elev
8M
7:32/mi
1:02:04
↑ 166↓ 531.1%
246 ft elev
9.6M
7:32/mi
1:14:08
↑ 68↓ 1931.5%
126 ft elev
10M
14:13/mi
1:19:49
↓ 241.1%
90 ft elev
10.5M
3:58/mi
1:21:48
↓ 732.7%
18 ft elev
12M
10:21/mi
1:37:19
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
7:40/mi
1:45:49
↑ 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
Time47:00
Pace7:50 /mi
2nd Half
Distance7.11 mi
Time58:49
Pace8:16 /mi
📊Positive Split: 25.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:48:3816:058:0216:05
8:02
-
4M
4.00 mi07:04:1931:467:5715:41
7:51
-0:11
6M
6.00 mi07:19:3347:007:5015:14
7:37
-0:14
8M
8.00 mi07:34:371:02:047:4615:04
7:32
-0:05
9.6M
9.60 mi07:46:411:14:087:4312:04
7:32
0:00
10M
10.00 mi07:52:221:19:497:595:41
14:13
+6:41
10.5M
10.50 mi07:54:211:21:487:471:59
3:58
-10:15
12M
12.00 mi08:09:521:37:198:0715:31
10:21
+6:23
Finish
13.11 mi08:18:221:45:498:048:30
7:40
-2:41

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

3:58 /mi

Average Pace

8:04 /mi

Slowest Pace

14:13 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59

2% of race

Time at Steady Pace

1:22:38

78% of race

Time at Slower Pace

21:12

20% of race

Average Pace: 8:04 /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 mi06:48:3816:058:0216:05
8:02
#518
4M
4.00 mi07:04:1931:467:5715:41
7:51
#423
6M
6.00 mi07:19:3347:007:5015:14
7:37
#382
8M
8.00 mi07:34:371:02:047:4615:04
7:32
#314
9.6M
9.60 mi07:46:411:14:087:4312:04
7:32
#357
10M
10.00 mi07:52:221:19:497:595:41
14:13
#352
10.5M
10.50 mi07:54:211:21:487:471:59
3:58
#356
12M
12.00 mi08:09:521:37:198:0715:31
10:21
#338
Finish
13.11 mi08:18:221:45:498:048:30
7:40
#318
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 6%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

7:40

Segment Time

8:31/mi

Pace

0.90 mi

Distance

Overall

423

Men

361

Division

47

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi2.00 mi5184345033427736
4M4.00 mi2.00 mi423+95356+7843+737732038
6M6.00 mi2.00 mi382+41323+334325422027
8M8.00 mi2.00 mi314+68272+5135+824521726
9.6M9.60 mi1.60 mi357-43303-3137-21088740105
10M10.00 mi0.40 mi352+5299+43744936143
10.5M10.50 mi0.50 mi356-4302-338-155046565
12M12.00 mi1.50 mi338+18287+1532+633427736
Finish13.11 mi1.11 mi318+20276+1134-237332044

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 5%
~flat
+5ft-3ft

Overall

334

Males

277

M20-24

37

2M→4M

2.0 - 4.0 mi

Top 6%
×4story building
+67ft-69ft

Overall

377

Males

320

M20-24

39

4M→6M

4.0 - 6.0 mi

Top 4%
×9story building
+123ft-9ft

Overall

254

Males

220

M20-24

28

6M→8M

6.0 - 8.0 mi

Top 4%
×12story building
+166ft-53ft

Overall

245

Males

217

M20-24

27

8M→9.6M

8.0 - 9.6 mi

Top 17%
×13story building
+68ft-193ft

Overall

1088

Males

740

M20-24

106

9.6M→10M

9.6 - 10.0 mi

Top 7%
×2story building
+0ft-24ft

Overall

449

Males

361

M20-24

44

10M→10.5M

10.0 - 10.5 mi

Top 8%
×6story building
+1ft-73ft

Overall

550

Males

465

M20-24

65

10.5M→12M

10.5 - 12.0 mi

Top 5%
×21story building
+280ft-26ft

Overall

334

Males

277

M20-24

37

12M→Finish

12.0 - 13.1 mi

Top 6%
×7story building
+14ft-89ft

Overall

373

Males

320

M20-24

44

Passing Analysis

Category:
Athletes Passed
299*
Passed By
99
Net Change
+200
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#518
2M → 4M1005+95#518#423
4M → 6M432+41#423#382
6M → 8M7911+68#382#314
8M → 9.6M851-43#314#357
9.6M → 10M83+5#357#352
10M → 10.5M04-4#352#356
10.5M → 12M3416+18#356#338
12M → Finish27*7+20#338#318
TOTALS299*99+200

* 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