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SF MARATHON 1ST HALF 2023

Polun Huang

Bib: 9569•M•Age: 53

Fremont, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Top 21%
Gender (Male)
#0 / 3331
Top 28%
Masters (Masters Men)
#0 / 1028
Top 19%
Division (M50-54)
#0 / 199
Top 17%
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
8:44/mi
12:14
→ flat
2.13M
17:22/mi
24:55
→ flat
6.43M
10:33/mi
1:10:18
↑ 274↓ 780.9%
6.62M
-30:-22/mi
1:04:43
↑ 161.6%
10.65M
8:44/mi
1:39:56
↑ 153↓ 3611.0%
Finish· 13.11 mi
7:43/mi
1:58:54
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:04:43
Pace9:47 /mi
2nd Half✓ Faster
Distance6.49 mi
Time54:11
Pace8:21 /mi
📊Negative Split: 16.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi06:48:4512:148:4412:14
8:44
-
2.13M
2.13 mi07:01:2624:5511:4212:41
17:22
+8:38
6.43M
6.43 mi07:46:491:10:1810:5645:23
10:33
-6:49
6.62M
6.62 mi07:41:141:04:439:47
-30:-22
-40:55
10.65M
10.65 mi08:16:271:39:569:2335:13
8:44
+39:06
Finish
13.11 mi08:35:251:58:549:0418:58
7:43
-1:01

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

-31:-22 /mi

Average Pace

9:04 /mi

Slowest Pace

17:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:54

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:04 /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 mi06:48:4512:148:4412:14
8:44
#1932
2.13M
2.13 mi07:01:2624:5511:4212:41
17:22
#1708
6.43M
6.43 mi07:46:491:10:1810:5645:23
10:33
#1464
6.62M
6.62 mi07:41:141:04:439:47
-30:-22
#1545
10.65M
10.65 mi08:16:271:39:569:2335:13
8:44
#1423
Finish
13.11 mi08:35:251:58:549:0418:58
7:43
#1252
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
1.40M1.40 mi1.40 mi19321329561932(Top 32%)1329(Top 40%)56(Top 28%)
2.13M2.13 mi0.73 mi1708+2241190+13952+41636(Top 27%)1128(Top 34%)45(Top 23%)
6.43M6.43 mi4.30 mi1464+2441060+13043+91443(Top 24%)1053(Top 32%)38(Top 19%)
6.62M6.62 mi0.19 mi1545-811098-3844-1---
10.65M10.65 mi4.03 mi1423+1221029+6942+21315(Top 22%)972(Top 29%)33(Top 17%)
Finish13.11 mi2.46 mi1252+171928+10133+9729(Top 12%)576(Top 17%)19(Top 10%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 32%
~flat
+3ft-2ft

Overall

1932

Males

1329

M50-54

56

1.40M→2.13M

1.4 - 2.1 mi

Top 27%
~flat
+3ft-1ft

Overall

1636

Males

1128

M50-54

45

2.13M→6.43M

2.1 - 6.4 mi

Top 24%
×17story building
+274ft-78ft

Overall

1443

Males

1053

M50-54

38

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M50-54

-

6.62M→10.65M

6.6 - 10.7 mi

Top 22%
×21story building
+153ft-361ft

Overall

1315

Males

972

M50-54

33

10.65M→Finish

10.7 - 13.1 mi

Top 12%
×17story building
+244ft-114ft

Overall

729

Males

576

M50-54

19

Passing Analysis

Category:
Athletes Passed
965*
Passed By
285
Net Change
+680
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#1932
1.40M → 2.13M28460+224#1932#1708
2.13M → 6.43M318*74+244#1708#1464
6.43M → 6.62M19100-81#1464#1545
6.62M → 10.65M166*44+122#1545#1423
10.65M → Finish178*7+171#1423#1252
TOTALS965*285+680

* 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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