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SF MARATHON 1ST HALF 2026

Joseph Welch

Bib: 12246•M•Age: 35

Mill Valley, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 18%
Gender (Male)
#0 / 3619
Top 26%
Division (M35-39)
#0 / 582
Top 29%
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
8:26/mi
16:53
→ flat
4M
8:32/mi
33:56
↑ 67↓ 69
6M
8:33/mi
51:02
↑ 1231.1%
8M
8:21/mi
1:07:44
↑ 166↓ 531.1%
9.6M
8:21/mi
1:21:06
↑ 68↓ 1931.5%
10M
21:04/mi
1:29:31
↓ 241.1%
10.5M
4:40/mi
1:31:51
↓ 732.7%
12M
10:55/mi
1:48:14
↑ 2803.2%
Finish· 13.11 mi
10:55/mi
2:00:21
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time51:02
Pace8:30 /mi
2nd Half
Distance7.11 mi
Time1:09:19
Pace9:45 /mi
📊Positive Split: 35.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:49:2016:538:2616:53
8:26
-
4M
4.00 mi07:06:2333:568:2917:03
8:32
+0:06
6M
6.00 mi07:23:2951:028:3017:06
8:33
+0:01
8M
8.00 mi07:40:111:07:448:2816:42
8:21
-0:12
9.6M
9.60 mi07:53:331:21:068:2713:22
8:21
0:00
10M
10.00 mi08:01:581:29:318:578:25
21:04
+12:43
10.5M
10.50 mi08:04:181:31:518:452:20
4:40
-16:24
12M
12.00 mi08:20:411:48:149:0116:23
10:55
+6:15
Finish
13.11 mi08:32:482:00:219:1112:07
10:55
0:00

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

4:40 /mi

Average Pace

9:11 /mi

Slowest Pace

21:04 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20

2% of race

Time at Steady Pace

1:21:06

67% of race

Time at Slower Pace

36:55

31% of race

Average Pace: 9:11 /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 mi06:49:2016:538:2616:53
8:26
#854
4M
4.00 mi07:06:2333:568:2917:03
8:32
#857
6M
6.00 mi07:23:2951:028:3017:06
8:33
#865
8M
8.00 mi07:40:111:07:448:2816:42
8:21
#756
9.6M
9.60 mi07:53:331:21:068:2713:22
8:21
#882
10M
10.00 mi08:01:581:29:318:578:25
21:04
#1104
10.5M
10.50 mi08:04:181:31:518:452:20
4:40
#1131
12M
12.00 mi08:20:411:48:149:0116:23
10:55
#947
Finish
13.11 mi08:32:482:00:219:1112:07
10:55
#1202
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 55%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:45

Segment Time

11:57/mi

Pace

0.90 mi

Distance

Overall

3588

Men

2300

Division

389

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi854692126572(Top 9%)458(Top 13%)73(Top 13%)
4M4.00 mi2.00 mi857-3699-7133-7898(Top 14%)728(Top 20%)133(Top 23%)
6M6.00 mi2.00 mi865-8705-6132+1899(Top 14%)729(Top 20%)137(Top 24%)
8M8.00 mi2.00 mi756+109628+77117+15687(Top 10%)591(Top 16%)106(Top 18%)
9.6M9.60 mi1.60 mi882-126717-89135-181930(Top 29%)1279(Top 35%)213(Top 37%)
10M10.00 mi0.40 mi1104-222883-166158-234072(Top 62%)2530(Top 70%)420(Top 72%)
10.5M10.50 mi0.50 mi1131-27904-21162-42226(Top 34%)1576(Top 44%)268(Top 46%)
12M12.00 mi1.50 mi947+184766+138131+31572(Top 9%)458(Top 13%)73(Top 13%)
Finish13.11 mi1.11 mi1202-255954-188166-353929(Top 60%)2446(Top 68%)405(Top 70%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 9%
~flat
+5ft-3ft

Overall

572

Males

458

M35-39

73

2M→4M

2.0 - 4.0 mi

Top 14%
×4story building
+67ft-69ft

Overall

898

Males

728

M35-39

133

4M→6M

4.0 - 6.0 mi

Top 14%
×9story building
+123ft-9ft

Overall

899

Males

729

M35-39

137

6M→8M

6.0 - 8.0 mi

Top 10%
×12story building
+166ft-53ft

Overall

687

Males

591

M35-39

106

8M→9.6M

8.0 - 9.6 mi

Top 29%
×13story building
+68ft-193ft

Overall

1930

Males

1279

M35-39

213

9.6M→10M

9.6 - 10.0 mi

Top 62%
×2story building
+0ft-24ft

Overall

4072

Males

2530

M35-39

420

10M→10.5M

10.0 - 10.5 mi

Top 34%
×6story building
+1ft-73ft

Overall

2226

Males

1576

M35-39

268

10.5M→12M

10.5 - 12.0 mi

Top 9%
×21story building
+280ft-26ft

Overall

572

Males

458

M35-39

73

12M→Finish

12.0 - 13.1 mi

Top 60%
×7story building
+14ft-89ft

Overall

3929

Males

2446

M35-39

405

Passing Analysis

Category:
Athletes Passed
459*
Passed By
807
Net Change
-348
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#854
2M → 4M5659-3#854#857
4M → 6M4856-8#857#865
6M → 8M13526+109#865#756
8M → 9.6M7133-126#756#882
9.6M → 10M0222-222#882#1104
10M → 10.5M027-27#1104#1131
10.5M → 12M19612+184#1131#947
12M → Finish17*272-255#947#1202
TOTALS459*807-348

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

📊

Passing Visuals

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