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SF MARATHON 1ST HALF 2023

Alec Wong

Dorchester, MA

Bib: 9434 M 29

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 11%
Gender (Male)
#0 / 3331
Top 15%
Division (M25-29)
#0 / 688
Top 20%
Race Day Weather
60°/50°F
overcast clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.40M
7:34/mi
10:36
→ flat
11 ft elev
2.13M
15:26/mi
21:52
→ flat
13 ft elev
6.43M
9:33/mi
1:02:55
↑ 274↓ 780.9%
213 ft elev
6.62M
-30:-32/mi
57:18
↑ 161.6%
239 ft elev
10.65M
8:20/mi
1:30:53
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
8:13/mi
1:51:06
↑ 244↓ 1141.0%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time57:18
Pace8:39 /mi
2nd Half✓ Faster
Distance6.49 mi
Time53:48
Pace8:17 /mi
📊Negative Split: 6.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi06:53:2110:367:3410:36
7:34
-
2.13M
2.13 mi07:04:3721:5210:1611:16
15:26
+7:52
6.43M
6.43 mi07:45:401:02:559:4741:03
9:33
-5:53
6.62M
6.62 mi07:40:0357:188:39
-30:-32
-40:05
10.65M
10.65 mi08:13:381:30:538:3233:35
8:20
+38:52
Finish
13.11 mi08:33:511:51:068:2920:13
8:13
-0:07

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:-32 /mi

Average Pace

8:29 /mi

Slowest Pace

15:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:06

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:28 /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 mi06:53:2110:367:3410:36
7:34
#497
2.13M
2.13 mi07:04:3721:5210:1611:16
15:26
#504
6.43M
6.43 mi07:45:401:02:559:4741:03
9:33
#507
6.62M
6.62 mi07:40:0357:188:39
-30:-32
#474
10.65M
10.65 mi08:13:381:30:538:3233:35
8:20
#574
Finish
13.11 mi08:33:511:51:068:2920:13
8:13
#654
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
1.40M1.40 mi1.40 mi49739993497(Top 8%)399(Top 12%)93(Top 14%)
2.13M2.13 mi0.73 mi504-7406-799-6584(Top 10%)443(Top 13%)109(Top 16%)
6.43M6.43 mi4.30 mi507-3400+6103-4551(Top 9%)427(Top 13%)106(Top 15%)
6.62M6.62 mi0.19 mi474+33377+2397+6---
10.65M10.65 mi4.03 mi574-100459-82115-18860(Top 14%)655(Top 20%)162(Top 24%)
Finish13.11 mi2.46 mi654-80512-53136-211251(Top 21%)914(Top 27%)223(Top 32%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 8%
~flat
+3ft-2ft

Overall

497

Males

399

M25-29

95

1.40M→2.13M

1.4 - 2.1 mi

Top 10%
~flat
+3ft-1ft

Overall

584

Males

443

M25-29

113

2.13M→6.43M

2.1 - 6.4 mi

Top 9%
×17story building
+274ft-78ft

Overall

551

Males

427

M25-29

107

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M25-29

-

6.62M→10.65M

6.6 - 10.7 mi

Top 14%
×21story building
+153ft-361ft

Overall

860

Males

655

M25-29

163

10.65M→Finish

10.7 - 13.1 mi

Top 21%
×17story building
+244ft-114ft

Overall

1251

Males

914

M25-29

223

Passing Analysis

Category:
Athletes Passed
160*
Passed By
317
Net Change
-157
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#497
1.40M → 2.13M3946-7#497#504
2.13M → 6.43M5760-3#504#507
6.43M → 6.62M396+33#507#474
6.62M → 10.65M9109-100#474#574
10.65M → Finish16*96-80#574#654
TOTALS160*317-157

* 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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