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SF MARATHON 1ST HALF 2023

Bor Chan

Bib: 12591•M•Age: 59

Fremont, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Gender (Male)
#0 / 3331
Masters (Masters Men)
#0 / 1028
Top 49%
Division (M55-59)
#0 / 129
Top 41%
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
10:11/mi
14:16
→ flat
2.13M
20:23/mi
29:09
→ flat
6.43M
12:26/mi
1:22:37
↑ 274↓ 780.9%
6.62M
-42:-43/mi
1:14:41
↑ 161.6%
10.65M
10:17/mi
1:56:08
↑ 153↓ 3611.0%
Finish· 13.11 mi
8:45/mi
2:17:38
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:14:41
Pace11:17 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:02:57
Pace9:42 /mi
📊Negative Split: 15.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:11:4014:1610:1114:16
10:11
-
2.13M
2.13 mi07:26:3329:0913:4114:53
20:23
+10:12
6.43M
6.43 mi08:20:011:22:3712:5153:28
12:26
-7:57
6.62M
6.62 mi08:12:051:14:4111:17
-42:-43
-55:09
10.65M
10.65 mi08:53:321:56:0810:5441:27
10:17
+53:00
Finish
13.11 mi09:15:022:17:3810:3021:30
8:45
-1:32

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

-43:-43 /mi

Average Pace

10:30 /mi

Slowest Pace

20:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:38

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:30 /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 mi07:11:4014:1610:1114:16
10:11
#4279
2.13M
2.13 mi07:26:3329:0913:4114:53
20:23
#4101
6.43M
6.43 mi08:20:011:22:3712:5153:28
12:26
#3682
6.62M
6.62 mi08:12:051:14:4111:17
-42:-43
#3551
10.65M
10.65 mi08:53:321:56:0810:5441:27
10:17
#3454
Finish
13.11 mi09:15:022:17:3810:3021:30
8:45
#3116
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
1.40M1.40 mi1.40 mi42792586794279(Top 70%)2586(Top 78%)79(Top 61%)
2.13M2.13 mi0.73 mi4101+1782514+7273+64044(Top 67%)2465(Top 74%)70(Top 54%)
6.43M6.43 mi4.30 mi3682+4192296+21863+103578(Top 59%)2236(Top 67%)64(Top 50%)
6.62M6.62 mi0.19 mi3551+1312217+7959+4---
10.65M10.65 mi4.03 mi3454+972177+40593347(Top 55%)2096(Top 63%)56(Top 43%)
Finish13.11 mi2.46 mi3116+3381998+17953+61834(Top 30%)1272(Top 38%)26(Top 20%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 70%
~flat
+3ft-2ft

Overall

4279

Males

2586

M55-59

79

1.40M→2.13M

1.4 - 2.1 mi

Top 67%
~flat
+3ft-1ft

Overall

4044

Males

2465

M55-59

70

2.13M→6.43M

2.1 - 6.4 mi

Top 59%
×17story building
+274ft-78ft

Overall

3578

Males

2236

M55-59

64

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 55%
×21story building
+153ft-361ft

Overall

3347

Males

2096

M55-59

56

10.65M→Finish

10.7 - 13.1 mi

Top 30%
×17story building
+244ft-114ft

Overall

1834

Males

1272

M55-59

26

Passing Analysis

Category:
Athletes Passed
1503*
Passed By
340
Net Change
+1163
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#4279
1.40M → 2.13M27597+178#4279#4101
2.13M → 6.43M541*122+419#4101#3682
6.43M → 6.62M15322+131#3682#3551
6.62M → 10.65M189*92+97#3551#3454
10.65M → Finish345*7+338#3454#3116
TOTALS1503*340+1163

* 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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