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SF MARATHON 1ST HALF 2023

Justin Hui

Bib: 14574•M•Age: 58

San Jose, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Gender (Male)
#0 / 3331
Masters (Masters Men)
#0 / 1028
Division (M55-59)
#0 / 129
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
12:42/mi
17:47
→ flat
2.13M
20:18/mi
32:36
→ flat
6.43M
12:51/mi
1:27:52
↑ 274↓ 780.9%
6.62M
-40:-27/mi
1:20:22
↑ 161.6%
10.65M
11:00/mi
2:04:40
↑ 153↓ 3611.0%
Finish· 13.11 mi
10:44/mi
2:31:04
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:20:22
Pace12:08 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:10:42
Pace10:54 /mi
📊Negative Split: 12.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:03:0217:4712:4217:47
12:42
-
2.13M
2.13 mi07:17:5132:3615:1814:49
20:18
+7:36
6.43M
6.43 mi08:13:071:27:5213:4055:16
12:51
-7:27
6.62M
6.62 mi08:05:371:20:2212:08
-40:-27
-53:18
10.65M
10.65 mi08:49:552:04:4011:4244:18
11:00
+51:27
Finish
13.11 mi09:16:192:31:0411:3126:24
10:44
-0:16

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

-41:-27 /mi

Average Pace

11:31 /mi

Slowest Pace

20:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31:04

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:31 /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 mi07:03:0217:4712:4217:47
12:42
#5666
2.13M
2.13 mi07:17:5132:3615:1814:49
20:18
#5270
6.43M
6.43 mi08:13:071:27:5213:4055:16
12:51
#4475
6.62M
6.62 mi08:05:371:20:2212:08
-40:-27
#4516
10.65M
10.65 mi08:49:552:04:4011:4244:18
11:00
#4347
Finish
13.11 mi09:16:192:31:0411:3126:24
10:44
#4283
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
1.40M1.40 mi1.40 mi566631781135666(Top 93%)3178(Top 95%)113(Top 88%)
2.13M2.13 mi0.73 mi5270+3963035+143101+123990(Top 66%)2435(Top 73%)68(Top 53%)
6.43M6.43 mi4.30 mi4475+7952698+33782+193998(Top 66%)2458(Top 74%)73(Top 57%)
6.62M6.62 mi0.19 mi4516-412716-1882---
10.65M10.65 mi4.03 mi4347+1692630+8680+24166(Top 69%)2510(Top 75%)80(Top 62%)
Finish13.11 mi2.46 mi4283+642586+4478+24037(Top 66%)2416(Top 73%)69(Top 53%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 93%
~flat
+3ft-2ft

Overall

5666

Males

3178

M55-59

113

1.40M→2.13M

1.4 - 2.1 mi

Top 66%
~flat
+3ft-1ft

Overall

3990

Males

2435

M55-59

68

2.13M→6.43M

2.1 - 6.4 mi

Top 66%
×17story building
+274ft-78ft

Overall

3998

Males

2458

M55-59

73

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M55-59

-

6.62M→10.65M

6.6 - 10.7 mi

Top 69%
×21story building
+153ft-361ft

Overall

4166

Males

2510

M55-59

80

10.65M→Finish

10.7 - 13.1 mi

Top 66%
×17story building
+244ft-114ft

Overall

4037

Males

2416

M55-59

69

Passing Analysis

Category:
Athletes Passed
1750*
Passed By
367
Net Change
+1383
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#5666
1.40M → 2.13M45963+396#5666#5270
2.13M → 6.43M871*76+795#5270#4475
6.43M → 6.62M5899-41#4475#4516
6.62M → 10.65M251*82+169#4516#4347
10.65M → Finish111*47+64#4347#4283
TOTALS1750*367+1383

* 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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