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SF MARATHON 1ST HALF 2023

John Arnold

Bib: 16720•M•Age: 31

San Jose, CA

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Male)
#0 / 3331
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
9:02/mi
12:39
→ flat
2.13M
19:49/mi
27:07
→ flat
6.43M
15:14/mi
1:32:35
↑ 274↓ 780.9%
6.62M
-33:-31/mi
1:26:24
↑ 161.6%
10.65M
10:40/mi
2:09:24
↑ 153↓ 3611.0%
Finish· 13.11 mi
15:33/mi
2:47:39
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:26:24
Pace13:03 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:21:15
Pace12:31 /mi
📊Negative Split: 6.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:01:1712:399:0212:39
9:02
-
2.13M
2.13 mi07:15:4527:0712:4414:28
19:49
+10:47
6.43M
6.43 mi08:21:131:32:3514:241:05:28
15:14
-4:35
6.62M
6.62 mi08:15:021:26:2413:03
-33:-31
-48:45
10.65M
10.65 mi08:58:022:09:2412:0943:00
10:40
+44:11
Finish
13.11 mi09:36:172:47:3912:4738:15
15:33
+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

-34:-31 /mi

Average Pace

12:47 /mi

Slowest Pace

19:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:39

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 12:47 /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
1.40M
1.40 mi07:01:1712:399:0212:39
9:02
#2453
2.13M
2.13 mi07:15:4527:0712:4414:28
19:49
#2978
6.43M
6.43 mi08:21:131:32:3514:241:05:28
15:14
#5021
6.62M
6.62 mi08:15:021:26:2413:03
-33:-31
#5203
10.65M
10.65 mi08:58:022:09:2412:0943:00
10:40
#4770
Finish
13.11 mi09:36:172:47:3912:4738:15
15:33
#5241
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
1.40M1.40 mi1.40 mi245316343582453(Top 40%)1634(Top 49%)358(Top 50%)
2.13M2.13 mi0.73 mi2978-5251914-280423-653667(Top 60%)2282(Top 69%)520(Top 72%)
6.43M6.43 mi4.30 mi5021-20432935-1021661-2385480(Top 90%)3115(Top 94%)694(Top 96%)
6.62M6.62 mi0.19 mi5203-1823015-80676-15---
10.65M10.65 mi4.03 mi4770+4332820+195638+383809(Top 63%)2327(Top 70%)524(Top 72%)
Finish13.11 mi2.46 mi5241-4712994-174675-375932(Top 98%)3268(Top 98%)713(Top 99%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 40%
~flat
+3ft-2ft

Overall

2453

Males

1634

M30-34

360

1.40M→2.13M

1.4 - 2.1 mi

Top 60%
~flat
+3ft-1ft

Overall

3667

Males

2282

M30-34

523

2.13M→6.43M

2.1 - 6.4 mi

Top 90%
×17story building
+274ft-78ft

Overall

5480

Males

3115

M30-34

698

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 63%
×21story building
+153ft-361ft

Overall

3809

Males

2327

M30-34

526

10.65M→Finish

10.7 - 13.1 mi

Top 98%
×17story building
+244ft-114ft

Overall

5932

Males

3268

M30-34

713

Passing Analysis

Category:
Athletes Passed
542*
Passed By
3330
Net Change
-2788
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#2453
1.40M → 2.13M48573-525#2453#2978
2.13M → 6.43M8*2051-2043#2978#5021
6.43M → 6.62M34216-182#5021#5203
6.62M → 10.65M445*12+433#5203#4770
10.65M → Finish7*478-471#4770#5241
TOTALS542*3330-2788

* 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

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