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SF MARATHON 2ND HALF 2026

Sabastian Belser

Bib: 23357•M•Age: 37

Berkeley, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 17%
Gender (Male)
#0 / 2065
Top 25%
Division (M35-39)
#0 / 309
Top 28%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
9–292 ft
≈
×24story building
•▲ 548 ft climb · ▼ 587 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
8:12/mi
16:24
↑ 138↓ 680.7%
4M
8:07/mi
32:37
↑ 1631.4%
6M
10:27/mi
53:32
↑ 55↓ 830.3%
8M
6:31/mi
1:06:34
↑ 65↓ 1510.8%
10M
8:45/mi
1:24:03
↑ 61↓ 1741.1%
12M
8:48/mi
1:41:40
↑ 41↓ 530.1%
Finish· 13.11 mi
7:36/mi
1:50:06
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time53:32
Pace8:55 /mi
2nd Half
Distance7.11 mi
Time56:34
Pace7:57 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:48:2816:248:1216:24
8:12
-
4M
4.00 mi09:04:4132:378:0916:13
8:07
-0:05
6M
6.00 mi09:25:3653:328:5520:55
10:27
+2:20
8M
8.00 mi09:38:381:06:348:1913:02
6:31
-3:56
10M
10.00 mi09:56:071:24:038:2417:29
8:45
+2:14
12M
12.00 mi10:13:441:41:408:2817:37
8:48
+0:03
Finish
13.11 mi10:22:101:50:068:248:26
7:36
-1:12

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

6:31 /mi

Average Pace

8:24 /mi

Slowest Pace

10:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

21:28

19% of race

Time at Steady Pace

50:06

46% of race

Time at Slower Pace

38:32

35% of race

Average Pace: 8:24 /mi

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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 mi08:48:2816:248:1216:24
8:12
#577
4M
4.00 mi09:04:4132:378:0916:13
8:07
#721
6M
6.00 mi09:25:3653:328:5520:55
10:27
#759
8M
8.00 mi09:38:381:06:348:1913:02
6:31
#765
10M
10.00 mi09:56:071:24:038:2417:29
8:45
#767
12M
12.00 mi10:13:441:41:408:2817:37
8:48
#736
Finish
13.11 mi10:22:101:50:068:248:26
7:36
#662
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi57745176634(Top 17%)478(Top 23%)81(Top 26%)
4M4.00 mi2.00 mi721-144550-9995-19886(Top 23%)647(Top 31%)113(Top 37%)
6M6.00 mi2.00 mi759-38579-2998-3846(Top 22%)637(Top 31%)106(Top 34%)
8M8.00 mi2.00 mi765-6580-197+1840(Top 22%)625(Top 30%)102(Top 33%)
10M10.00 mi2.00 mi767-2582-294+3773(Top 20%)582(Top 28%)95(Top 31%)
12M12.00 mi2.00 mi736+31559+2392+2634(Top 17%)478(Top 23%)81(Top 26%)
Finish13.11 mi1.11 mi662+74506+5385+7267(Top 7%)211(Top 10%)34(Top 11%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 17%
×9story building
+138ft-68ft

Overall

634

Males

478

M35-39

81

2M→4M

2.0 - 4.0 mi

Top 23%
×13story building
+163ft-19ft

Overall

886

Males

647

M35-39

113

4M→6M

4.0 - 6.0 mi

Top 22%
×4story building
+55ft-83ft

Overall

846

Males

637

M35-39

106

6M→8M

6.0 - 8.0 mi

Top 22%
×10story building
+65ft-151ft

Overall

840

Males

625

M35-39

102

8M→10M

8.0 - 10.0 mi

Top 20%
×10story building
+61ft-174ft

Overall

773

Males

582

M35-39

95

10M→12M

10.0 - 12.0 mi

Top 17%
×3story building
+41ft-53ft

Overall

634

Males

478

M35-39

81

12M→Finish

12.0 - 13.1 mi

Top 7%
×1human
+6ft-6ft

Overall

267

Males

211

M35-39

34

Passing Analysis

Category:
Athletes Passed
178*
Passed By
263
Net Change
-85
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#577
2M → 4M7151-144#577#721
4M → 6M2159-38#721#759
6M → 8M1420-6#759#765
8M → 10M25*27-2#765#767
10M → 12M376+31#767#736
12M → Finish740+74#736#662
TOTALS178*263-85

* 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