San Francisco Marathon logo
SF MARATHON 1ST HALF 2026

Jacob Janzen

Bib: 18232•M•Age: 30

SF, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6575
Top 7%
Gender (Male)
#0 / 3619
Top 10%
Division (M30-34)
#0 / 772
Top 11%
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
8:03/mi
16:06
→ flat
4M
8:11/mi
32:28
↑ 67↓ 69
6M
8:04/mi
48:37
↑ 1231.1%
8M
7:43/mi
1:04:03
↑ 166↓ 531.1%
9.6M
7:43/mi
1:16:23
↑ 68↓ 1931.5%
10M
14:16/mi
1:22:05
↓ 241.1%
10.5M
4:00/mi
1:24:05
↓ 732.7%
12M
10:46/mi
1:40:14
↑ 2803.2%
Finish· 13.11 mi
7:46/mi
1:48:51
↑ 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
Time48:37
Pace8:06 /mi
2nd Half
Distance7.11 mi
Time1:00:14
Pace8:28 /mi
📊Positive Split: 23.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:48:4216:068:0316:06
8:03
-
4M
4.00 mi07:05:0432:288:0716:22
8:11
+0:08
6M
6.00 mi07:21:1348:378:0616:09
8:04
-0:07
8M
8.00 mi07:36:391:04:038:0015:26
7:43
-0:21
9.6M
9.60 mi07:48:591:16:237:5712:20
7:43
0:00
10M
10.00 mi07:54:411:22:058:135:42
14:16
+6:33
10.5M
10.50 mi07:56:411:24:058:002:00
4:00
-10:16
12M
12.00 mi08:12:501:40:148:2116:09
10:46
+6:46
Finish
13.11 mi08:21:271:48:518:188:37
7:46
-3:00

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

4:00 /mi

Average Pace

8:18 /mi

Slowest Pace

14:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00

2% of race

Time at Steady Pace

1:25:00

78% of race

Time at Slower Pace

21:51

20% of race

Average Pace: 8:18 /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 mi06:48:4216:068:0316:06
8:03
#524
4M
4.00 mi07:05:0432:288:0716:22
8:11
#531
6M
6.00 mi07:21:1348:378:0616:09
8:04
#506
8M
8.00 mi07:36:391:04:038:0015:26
7:43
#435
9.6M
9.60 mi07:48:591:16:237:5712:20
7:43
#479
10M
10.00 mi07:54:411:22:058:135:42
14:16
#475
10.5M
10.50 mi07:56:411:24:058:002:00
4:00
#473
12M
12.00 mi08:12:501:40:148:2116:09
10:46
#473
Finish
13.11 mi08:21:271:48:518:188:37
7:46
#450
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 7%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

7:42

Segment Time

8:33/mi

Pace

0.90 mi

Distance

Overall

442

Men

372

Division

83

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi2.00 mi52443999501(Top 8%)407(Top 11%)87(Top 11%)
4M4.00 mi2.00 mi531-7449-1095+4557(Top 8%)467(Top 13%)97(Top 13%)
6M6.00 mi2.00 mi506+25426+2391+4529(Top 8%)441(Top 12%)94(Top 12%)
8M8.00 mi2.00 mi435+71373+5381+10314(Top 5%)274(Top 8%)52(Top 7%)
9.6M9.60 mi1.60 mi479-44401-2887-61253(Top 19%)839(Top 23%)186(Top 24%)
10M10.00 mi0.40 mi475+4399+286+1470(Top 7%)377(Top 10%)80(Top 10%)
10.5M10.50 mi0.50 mi473+2396+386610(Top 9%)508(Top 14%)114(Top 15%)
12M12.00 mi1.50 mi473390+684+2501(Top 8%)407(Top 11%)87(Top 11%)
Finish13.11 mi1.11 mi450+23375+1584426(Top 6%)361(Top 10%)78(Top 10%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 8%
~flat
+5ft-3ft

Overall

501

Males

407

M30-34

88

2M→4M

2.0 - 4.0 mi

Top 8%
×4story building
+67ft-69ft

Overall

557

Males

467

M30-34

98

4M→6M

4.0 - 6.0 mi

Top 8%
×9story building
+123ft-9ft

Overall

529

Males

441

M30-34

95

6M→8M

6.0 - 8.0 mi

Top 5%
×12story building
+166ft-53ft

Overall

314

Males

274

M30-34

53

8M→9.6M

8.0 - 9.6 mi

Top 19%
×13story building
+68ft-193ft

Overall

1253

Males

839

M30-34

187

9.6M→10M

9.6 - 10.0 mi

Top 7%
×2story building
+0ft-24ft

Overall

470

Males

377

M30-34

81

10M→10.5M

10.0 - 10.5 mi

Top 9%
×6story building
+1ft-73ft

Overall

610

Males

508

M30-34

115

10.5M→12M

10.5 - 12.0 mi

Top 8%
×21story building
+280ft-26ft

Overall

501

Males

407

M30-34

88

12M→Finish

12.0 - 13.1 mi

Top 6%
×7story building
+14ft-89ft

Overall

426

Males

361

M30-34

78

Passing Analysis

Category:
Athletes Passed
239*
Passed By
165
Net Change
+74
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#524
2M → 4M3340-7#524#531
4M → 6M3611+25#531#506
6M → 8M809+71#506#435
8M → 9.6M1862-44#435#479
9.6M → 10M117+4#479#475
10M → 10.5M31+2#475#473
10.5M → 12M31310#473#473
12M → Finish27*4+23#473#450
TOTALS239*165+74

* 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