San Francisco Marathon logo
SF MARATHON 1ST HALF 2026

Martin De Beer

Oakland, CA

Bib: 12857 M 36

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6575
Top 14%
Gender (Male)
#0 / 3619
Top 20%
Division (M35-39)
#0 / 582
Top 22%
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
7:40/mi
15:20
→ flat
12 ft elev
4M
7:48/mi
30:55
↑ 67↓ 69
10 ft elev
6M
7:47/mi
46:29
↑ 1231.1%
126 ft elev
8M
8:22/mi
1:03:14
↑ 166↓ 531.1%
246 ft elev
9.6M
8:22/mi
1:16:38
↑ 68↓ 1931.5%
126 ft elev
10M
17:14/mi
1:23:31
↓ 241.1%
90 ft elev
10.5M
4:08/mi
1:25:35
↓ 732.7%
18 ft elev
12M
14:03/mi
1:46:40
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
9:23/mi
1:57:04
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
46:297:45 /mi⚡ faster
2nd Half
1:10:359:56 /mi+51.8%
Positive split — 51.8% slower in the second half
Is this your race?

Claim it for a free AI report

A coach's-eye read of your race — emailed to you, free.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:46:0415:207:4015:20
7:40
-
4M
4.00 mi07:01:3930:557:4415:35
7:48
+0:08
6M
6.00 mi07:17:1346:297:4515:34
7:47
-0:01
8M
8.00 mi07:33:581:03:147:5416:45
8:22
+0:35
9.6M
9.60 mi07:47:221:16:387:5913:24
8:22
0:00
10M
10.00 mi07:54:151:23:318:216:53
17:14
+8:52
10.5M
10.50 mi07:56:191:25:358:092:04
4:08
-13:06
12M
12.00 mi08:17:241:46:408:5321:05
14:03
+9:55
Finish
13.11 mi08:27:481:57:048:5610:24
9:23
-4:40

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

8:56 /mi

Slowest Pace

17:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04

2% of race

Time at Steady Pace

1:27:02

74% of race

Time at Slower Pace

27:58

24% of race

Average Pace: 8:56 /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 mi06:46:0415:207:4015:20
7:40
#332
4M
4.00 mi07:01:3930:557:4415:35
7:48
#324
6M
6.00 mi07:17:1346:297:4515:34
7:47
#325
8M
8.00 mi07:33:581:03:147:5416:45
8:22
#367
9.6M
9.60 mi07:47:221:16:387:5913:24
8:22
#510
10M
10.00 mi07:54:151:23:318:216:53
17:14
#580
10.5M
10.50 mi07:56:191:25:358:092:04
4:08
#582
12M
12.00 mi08:17:241:46:408:5321:05
14:03
#845
Finish
13.11 mi08:27:481:57:048:5610:24
9:23
#893
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 25%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:57

Segment Time

9:57/mi

Pace

0.90 mi

Distance

Overall

1645

Men

1232

Division

205

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi3322855227731861317
4M4.00 mi2.00 mi324+8278+750+233428452
6M6.00 mi2.00 mi325-1276+247+335029951
8M8.00 mi2.00 mi367-42317-4154-7706605109
9.6M9.60 mi1.60 mi510-143428-11171-1719561295215
10M10.00 mi0.40 mi580-70485-5784-1319161380226
10.5M10.50 mi0.50 mi582-248584892723121
12M12.00 mi1.50 mi845-263686-201123-3927731861317
Finish13.11 mi1.11 mi893-48728-42126-320941494242

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 42%
~flat
+5ft-3ft

Overall

2773

Males

1861

M35-39

317

2M→4M

2.0 - 4.0 mi

Top 5%
×4story building
+67ft-69ft

Overall

334

Males

284

M35-39

52

4M→6M

4.0 - 6.0 mi

Top 5%
×9story building
+123ft-9ft

Overall

350

Males

299

M35-39

51

6M→8M

6.0 - 8.0 mi

Top 11%
×12story building
+166ft-53ft

Overall

706

Males

605

M35-39

109

8M→9.6M

8.0 - 9.6 mi

Top 30%
×13story building
+68ft-193ft

Overall

1956

Males

1295

M35-39

215

9.6M→10M

9.6 - 10.0 mi

Top 29%
×2story building
+0ft-24ft

Overall

1916

Males

1380

M35-39

226

10M→10.5M

10.0 - 10.5 mi

Top 14%
×6story building
+1ft-73ft

Overall

892

Males

723

M35-39

121

10.5M→12M

10.5 - 12.0 mi

Top 42%
×21story building
+280ft-26ft

Overall

2773

Males

1861

M35-39

317

12M→Finish

12.0 - 13.1 mi

Top 32%
×7story building
+14ft-89ft

Overall

2094

Males

1494

M35-39

242

Passing Analysis

Category:
Athletes Passed
89*
Passed By
650
Net Change
-561
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#332
2M → 4M2517+8#332#324
4M → 6M2021-1#324#325
6M → 8M2062-42#325#367
8M → 9.6M1144-143#367#510
9.6M → 10M171-70#510#580
10M → 10.5M13-2#580#582
10.5M → 12M2265-263#582#845
12M → Finish19*67-48#845#893
TOTALS89*650-561

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

Passing Charts

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