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SF MARATHON 1ST HALF 2023

Hsien-Chuang Peck

Bib: 10707•M•Age: 47

Belmont, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Top 37%
Gender (Male)
#0 / 3331
Top 45%
Masters (Masters Men)
#0 / 1028
Top 34%
Division (M45-49)
#0 / 241
Top 38%
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
9:06/mi
12:45
→ flat
2.13M
18:51/mi
26:31
→ flat
6.43M
11:17/mi
1:15:01
↑ 274↓ 780.9%
6.62M
-34:-34/mi
1:08:38
↑ 161.6%
10.65M
9:31/mi
1:46:58
↑ 153↓ 3611.0%
Finish· 13.11 mi
9:01/mi
2:09:07
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:08:38
Pace10:22 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:00:29
Pace9:19 /mi
📊Negative Split: 11.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:01:2912:459:0612:45
9:06
-
2.13M
2.13 mi07:15:1526:3112:2713:46
18:51
+9:45
6.43M
6.43 mi08:03:451:15:0111:4048:30
11:17
-7:34
6.62M
6.62 mi07:57:221:08:3810:22
-34:-34
-45:51
10.65M
10.65 mi08:35:421:46:5810:0338:20
9:31
+44:05
Finish
13.11 mi08:57:512:09:079:5122:09
9:01
-0:30

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

-35:-34 /mi

Average Pace

9:51 /mi

Slowest Pace

18:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:07

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:51 /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 mi07:01:2912:459:0612:45
9:06
#2571
2.13M
2.13 mi07:15:1526:3112:2713:46
18:51
#2625
6.43M
6.43 mi08:03:451:15:0111:4048:30
11:17
#2333
6.62M
6.62 mi07:57:221:08:3810:22
-34:-34
#2345
10.65M
10.65 mi08:35:421:46:5810:0338:20
9:31
#2290
Finish
13.11 mi08:57:512:09:079:5122:09
9:01
#2236
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
1.40M1.40 mi1.40 mi257117131102571(Top 42%)1713(Top 51%)110(Top 46%)
2.13M2.13 mi0.73 mi2625-541745-32114-42855(Top 47%)1856(Top 56%)121(Top 50%)
6.43M6.43 mi4.30 mi2333+2921588+157105+92281(Top 38%)1538(Top 46%)98(Top 41%)
6.62M6.62 mi0.19 mi2345-121591-3107-2---
10.65M10.65 mi4.03 mi2290+551543+4897+102335(Top 38%)1566(Top 47%)93(Top 39%)
Finish13.11 mi2.46 mi2236+541513+3092+52156(Top 36%)1440(Top 43%)91(Top 38%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 42%
~flat
+3ft-2ft

Overall

2571

Males

1713

M45-49

110

1.40M→2.13M

1.4 - 2.1 mi

Top 47%
~flat
+3ft-1ft

Overall

2855

Males

1856

M45-49

123

2.13M→6.43M

2.1 - 6.4 mi

Top 38%
×17story building
+274ft-78ft

Overall

2281

Males

1538

M45-49

98

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M45-49

-

6.62M→10.65M

6.6 - 10.7 mi

Top 38%
×21story building
+153ft-361ft

Overall

2335

Males

1566

M45-49

93

10.65M→Finish

10.7 - 13.1 mi

Top 36%
×17story building
+244ft-114ft

Overall

2156

Males

1440

M45-49

91

Passing Analysis

Category:
Athletes Passed
867*
Passed By
532
Net Change
+335
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#2571
1.40M → 2.13M148202-54#2571#2625
2.13M → 6.43M401*109+292#2625#2333
6.43M → 6.62M4658-12#2333#2345
6.62M → 10.65M155*100+55#2345#2290
10.65M → Finish117*63+54#2290#2236
TOTALS867*532+335

* 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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