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SF MARATHON 2ND HALF 2026

Mark Speltz

Bib: 23545•M•Age: 52

Lafayette, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 3840
Top 42%
Gender (Male)
#0 / 2065
Masters (Masters Men)
#0 / 555
Top 44%
Division (M50-54)
#0 / 90
Top 50%
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
9:35/mi
19:10
↑ 138↓ 680.7%
4M
8:47/mi
36:44
↑ 1631.4%
6M
11:38/mi
1:00:00
↑ 55↓ 830.3%
8M
7:26/mi
1:14:52
↑ 65↓ 1510.8%
10M
10:08/mi
1:35:08
↑ 61↓ 1741.1%
12M
10:38/mi
1:56:25
↑ 41↓ 530.1%
Finish· 13.11 mi
10:04/mi
2:07:35
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:00:00
Pace10:00 /mi
2nd Half
Distance7.11 mi
Time1:07:35
Pace9:30 /mi
📊Positive Split: 12.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:57:2719:109:3519:10
9:35
-
4M
4.00 mi09:15:0136:449:1117:34
8:47
-0:48
6M
6.00 mi09:38:171:00:0010:0023:16
11:38
+2:51
8M
8.00 mi09:53:091:14:529:2114:52
7:26
-4:12
10M
10.00 mi10:13:251:35:089:3120:16
10:08
+2:42
12M
12.00 mi10:34:421:56:259:4221:17
10:38
+0:30
Finish
13.11 mi10:45:522:07:359:4411:10
10:04
-0:34

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

7:26 /mi

Average Pace

9:44 /mi

Slowest Pace

11:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

32:26

25% of race

Time at Steady Pace

1:11:53

56% of race

Time at Slower Pace

23:16

18% of race

Average Pace: 9:44 /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 mi08:57:2719:109:3519:10
9:35
#1671
4M
4.00 mi09:15:0136:449:1117:34
8:47
#1544
6M
6.00 mi09:38:171:00:0010:0023:16
11:38
#1572
8M
8.00 mi09:53:091:14:529:2114:52
7:26
#1609
10M
10.00 mi10:13:251:35:089:3120:16
10:08
#1621
12M
12.00 mi10:34:421:56:259:4221:17
10:38
#1621
Finish
13.11 mi10:45:522:07:359:4411:10
10:04
#1604
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
2M2.00 mi2.00 mi16711134431712(Top 45%)1112(Top 54%)45(Top 50%)
4M4.00 mi2.00 mi1544+1271056+7840+31448(Top 38%)991(Top 48%)38(Top 42%)
6M6.00 mi2.00 mi1572-281077-21401636(Top 43%)1108(Top 54%)46(Top 51%)
8M8.00 mi2.00 mi1609-371092-15401737(Top 45%)1157(Top 56%)42(Top 47%)
10M10.00 mi2.00 mi1621-12109244-41691(Top 44%)1118(Top 54%)44(Top 49%)
12M12.00 mi2.00 mi16211082+1045-11712(Top 45%)1112(Top 54%)45(Top 50%)
Finish13.11 mi1.11 mi1604+171068+14451601(Top 42%)1042(Top 50%)43(Top 48%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 45%
×9story building
+138ft-68ft

Overall

1712

Males

1112

M50-54

45

2M→4M

2.0 - 4.0 mi

Top 38%
×13story building
+163ft-19ft

Overall

1448

Males

991

M50-54

38

4M→6M

4.0 - 6.0 mi

Top 43%
×4story building
+55ft-83ft

Overall

1636

Males

1108

M50-54

46

6M→8M

6.0 - 8.0 mi

Top 45%
×10story building
+65ft-151ft

Overall

1737

Males

1157

M50-54

42

8M→10M

8.0 - 10.0 mi

Top 44%
×10story building
+61ft-174ft

Overall

1691

Males

1118

M50-54

44

10M→12M

10.0 - 12.0 mi

Top 45%
×3story building
+41ft-53ft

Overall

1712

Males

1112

M50-54

45

12M→Finish

12.0 - 13.1 mi

Top 42%
×1human
+6ft-6ft

Overall

1601

Males

1042

M50-54

43

Passing Analysis

Category:
Athletes Passed
308*
Passed By
241
Net Change
+67
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1671
2M → 4M14922+127#1671#1544
4M → 6M3462-28#1544#1572
6M → 8M2259-37#1572#1609
8M → 10M31*43-12#1609#1621
10M → 12M35350#1621#1621
12M → Finish37*20+17#1621#1604
TOTALS308*241+67

* 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