San Francisco Marathon logo
SF MARATHON 1ST HALF 2026

John Busenberg

Bib: 14846•M•Age: 53

Los Angeles, CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 6575
Top 47%
Gender (Male)
#0 / 3619
Masters (Masters Men)
#0 / 1030
Top 47%
Division (M50-54)
#0 / 196
Top 48%
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
10:07/mi
20:14
→ flat
4M
10:10/mi
40:33
↑ 67↓ 69
6M
10:22/mi
1:01:17
↑ 1231.1%
8M
10:36/mi
1:22:30
↑ 166↓ 531.1%
9.6M
8:29/mi
1:36:04
↑ 68↓ 1931.5%
10M
19:09/mi
1:43:43
↓ 241.1%
10.5M
5:12/mi
1:46:19
↓ 732.7%
12M
15:33/mi
2:09:38
↑ 2803.2%
Finish· 13.11 mi
10:40/mi
2:21:28
↑ 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
Time1:01:17
Pace10:13 /mi
2nd Half
Distance7.11 mi
Time1:20:11
Pace11:17 /mi
📊Positive Split: 30.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:57:5420:1410:0720:14
10:07
-
4M
4.00 mi07:18:1340:3310:0820:19
10:10
+0:03
6M
6.00 mi07:38:571:01:1710:1320:44
10:22
+0:12
8M
8.00 mi08:00:101:22:3010:1921:13
10:36
+0:14
9.6M
9.60 mi08:13:441:36:0410:0013:34
8:29
-2:07
10M
10.00 mi08:21:231:43:4310:227:39
19:09
+10:40
10.5M
10.50 mi08:23:591:46:1910:082:36
5:12
-13:57
12M
12.00 mi08:47:182:09:3810:4823:19
15:33
+10:21
Finish
13.11 mi08:59:082:21:2810:4711:50
10:40
-4:53

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

5:12 /mi

Average Pace

10:47 /mi

Slowest Pace

19:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36

2% of race

Time at Steady Pace

1:47:54

76% of race

Time at Slower Pace

30:58

22% of race

Average Pace: 10:47 /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 mi06:57:5420:1410:0720:14
10:07
#3217
4M
4.00 mi07:18:1340:3310:0820:19
10:10
#3098
6M
6.00 mi07:38:571:01:1710:1320:44
10:22
#3094
8M
8.00 mi08:00:101:22:3010:1921:13
10:36
#3049
9.6M
9.60 mi08:13:441:36:0410:0013:34
8:29
#2841
10M
10.00 mi08:21:231:43:4310:227:39
19:09
#2832
10.5M
10.50 mi08:23:591:46:1910:082:36
5:12
#2851
12M
12.00 mi08:47:182:09:3810:4823:19
15:33
#3052
Finish
13.11 mi08:59:082:21:2810:4711:50
10:40
#3079
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 47%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:15

Segment Time

11:24/mi

Pace

0.90 mi

Distance

Overall

3094

Men

2050

Division

93

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
2M2.00 mi2.00 mi321721531093935(Top 60%)2449(Top 68%)110(Top 56%)
4M4.00 mi2.00 mi3098+1192105+4898+113043(Top 46%)2074(Top 57%)95(Top 48%)
6M6.00 mi2.00 mi3094+42107-296+23110(Top 47%)2115(Top 58%)92(Top 47%)
8M8.00 mi2.00 mi3049+452102+5963119(Top 47%)2134(Top 59%)106(Top 54%)
9.6M9.60 mi1.60 mi2841+2081955+14791+52097(Top 32%)1380(Top 38%)62(Top 32%)
10M10.00 mi0.40 mi2832+91950+5913055(Top 46%)2028(Top 56%)95(Top 48%)
10.5M10.50 mi0.50 mi2851-191964-14913648(Top 55%)2359(Top 65%)114(Top 58%)
12M12.00 mi1.50 mi3052-2012066-10293-23935(Top 60%)2449(Top 68%)110(Top 56%)
Finish13.11 mi1.11 mi3079-272074-894-13657(Top 56%)2306(Top 64%)105(Top 54%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 60%
~flat
+5ft-3ft

Overall

3935

Males

2449

M50-54

110

2M→4M

2.0 - 4.0 mi

Top 46%
×4story building
+67ft-69ft

Overall

3043

Males

2074

M50-54

95

4M→6M

4.0 - 6.0 mi

Top 47%
×9story building
+123ft-9ft

Overall

3110

Males

2115

M50-54

92

6M→8M

6.0 - 8.0 mi

Top 47%
×12story building
+166ft-53ft

Overall

3119

Males

2134

M50-54

106

8M→9.6M

8.0 - 9.6 mi

Top 32%
×13story building
+68ft-193ft

Overall

2097

Males

1380

M50-54

62

9.6M→10M

9.6 - 10.0 mi

Top 46%
×2story building
+0ft-24ft

Overall

3055

Males

2028

M50-54

95

10M→10.5M

10.0 - 10.5 mi

Top 55%
×6story building
+1ft-73ft

Overall

3648

Males

2359

M50-54

114

10.5M→12M

10.5 - 12.0 mi

Top 60%
×21story building
+280ft-26ft

Overall

3935

Males

2449

M50-54

110

12M→Finish

12.0 - 13.1 mi

Top 56%
×7story building
+14ft-89ft

Overall

3657

Males

2306

M50-54

105

Passing Analysis

Category:
Athletes Passed
861*
Passed By
723
Net Change
+138
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3217
2M → 4M21899+119#3217#3098
4M → 6M123119+4#3098#3094
6M → 8M158*113+45#3094#3049
8M → 9.6M26153+208#3049#2841
9.6M → 10M4031+9#2841#2832
10M → 10.5M221-19#2832#2851
10.5M → 12M21222-201#2851#3052
12M → Finish38*65-27#3052#3079
TOTALS861*723+138

* 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