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SF MARATHON 1ST HALF 2023

David Linstone

Bib: 16844•M•Age: 30

Cambridge, MA

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 39%
Gender (Male)
#0 / 3331
Top 48%
Division (M30-34)
#0 / 723
Race Day Weather
60°/50°F
overcast 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
1.40M
7:46/mi
10:52
→ flat
2.13M
18:20/mi
24:15
→ flat
6.43M
11:41/mi
1:14:30
↑ 274↓ 780.9%
6.62M
-42:-43/mi
1:06:34
↑ 161.6%
10.65M
10:17/mi
1:48:02
↑ 153↓ 3611.0%
Finish· 13.11 mi
9:11/mi
2:10:36
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:06:34
Pace10:03 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:04:02
Pace9:52 /mi
📊Negative Split: 3.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:08:1310:527:4610:52
7:46
-
2.13M
2.13 mi07:21:3624:1511:2313:23
18:20
+10:34
6.43M
6.43 mi08:11:511:14:3011:3550:15
11:41
-6:39
6.62M
6.62 mi08:03:551:06:3410:03
-42:-43
-54:24
10.65M
10.65 mi08:45:231:48:0210:0941:28
10:17
+53:00
Finish
13.11 mi09:07:572:10:369:5822:34
9:11
-1:06

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

-43:-43 /mi

Average Pace

9:58 /mi

Slowest Pace

18:20 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:36

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:58 /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
1.40M
1.40 mi07:08:1310:527:4610:52
7:46
#621
2.13M
2.13 mi07:21:3624:1511:2313:23
18:20
#1370
6.43M
6.43 mi08:11:511:14:3011:3550:15
11:41
#2231
6.62M
6.62 mi08:03:551:06:3410:03
-42:-43
#1917
10.65M
10.65 mi08:45:231:48:0210:0941:28
10:17
#2449
Finish
13.11 mi09:07:572:10:369:5822:34
9:11
#2377
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
1.40M1.40 mi1.40 mi621484112621(Top 10%)484(Top 15%)112(Top 15%)
2.13M2.13 mi0.73 mi1370-749977-493216-1042387(Top 39%)1600(Top 48%)352(Top 49%)
6.43M6.43 mi4.30 mi2231-8611522-545351-1352766(Top 46%)1810(Top 54%)411(Top 57%)
6.62M6.62 mi0.19 mi1917+3141318+204291+60---
10.65M10.65 mi4.03 mi2449-5321646-328377-863351(Top 55%)2098(Top 63%)476(Top 66%)
Finish13.11 mi2.46 mi2377+721590+56367+102332(Top 38%)1526(Top 46%)344(Top 48%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 10%
~flat
+3ft-2ft

Overall

621

Males

484

M30-34

113

1.40M→2.13M

1.4 - 2.1 mi

Top 39%
~flat
+3ft-1ft

Overall

2387

Males

1600

M30-34

355

2.13M→6.43M

2.1 - 6.4 mi

Top 46%
×17story building
+274ft-78ft

Overall

2766

Males

1810

M30-34

413

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M30-34

-

6.62M→10.65M

6.6 - 10.7 mi

Top 55%
×21story building
+153ft-361ft

Overall

3351

Males

2098

M30-34

478

10.65M→Finish

10.7 - 13.1 mi

Top 38%
×17story building
+244ft-114ft

Overall

2332

Males

1526

M30-34

344

Passing Analysis

Category:
Athletes Passed
472*
Passed By
2228
Net Change
-1756
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#621
1.40M → 2.13M3752-749#621#1370
2.13M → 6.43M15*876-861#1370#2231
6.43M → 6.62M3151+314#2231#1917
6.62M → 10.65M19*551-532#1917#2449
10.65M → Finish120*48+72#2449#2377
TOTALS472*2228-1756

* 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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The San Francisco Marathon

The San Francisco Marathon

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