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SF MARATHON 1ST HALF 2023

Miguel Chao

Bib: 10517•M•Age: 25

San Jose, CA

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 32%
Gender (Male)
#0 / 3331
Top 40%
Division (M25-29)
#0 / 688
Top 46%
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
8:06/mi
11:20
→ flat
2.13M
16:34/mi
23:26
→ flat
6.43M
11:06/mi
1:11:08
↑ 274↓ 780.9%
6.62M
-35:-37/mi
1:04:33
↑ 161.6%
10.65M
9:32/mi
1:42:57
↑ 153↓ 3611.0%
Finish· 13.11 mi
9:29/mi
2:06:15
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:04:33
Pace9:45 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:01:42
Pace9:31 /mi
📊Negative Split: 4.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:20:1211:208:0611:20
8:06
-
2.13M
2.13 mi07:32:1823:2611:0012:06
16:34
+8:28
6.43M
6.43 mi08:20:001:11:0811:0447:42
11:06
-5:28
6.62M
6.62 mi08:13:251:04:339:45
-35:-37
-46:43
10.65M
10.65 mi08:51:491:42:579:4038:24
9:32
+45:09
Finish
13.11 mi09:15:072:06:159:3823:18
9:29
-0:03

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

-36:-37 /mi

Average Pace

9:38 /mi

Slowest Pace

16:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:15

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:38 /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 mi07:20:1211:208:0611:20
8:06
#998
2.13M
2.13 mi07:32:1823:2611:0012:06
16:34
#1023
6.43M
6.43 mi08:20:001:11:0811:0447:42
11:06
#1625
6.62M
6.62 mi08:13:251:04:339:45
-35:-37
#1516
10.65M
10.65 mi08:51:491:42:579:4038:24
9:32
#1779
Finish
13.11 mi09:15:072:06:159:3823:18
9:29
#1915
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
1.40M1.40 mi1.40 mi998738184998(Top 16%)738(Top 22%)184(Top 27%)
2.13M2.13 mi0.73 mi1023-25749-11188-41141(Top 19%)828(Top 25%)200(Top 29%)
6.43M6.43 mi4.30 mi1625-6021158-409274-862043(Top 34%)1398(Top 42%)317(Top 46%)
6.62M6.62 mi0.19 mi1516+1091081+77265+9---
10.65M10.65 mi4.03 mi1779-2631250-169297-322365(Top 39%)1578(Top 47%)373(Top 54%)
Finish13.11 mi2.46 mi1915-1361319-69314-172681(Top 44%)1713(Top 51%)399(Top 58%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 16%
~flat
+3ft-2ft

Overall

998

Males

738

M25-29

186

1.40M→2.13M

1.4 - 2.1 mi

Top 19%
~flat
+3ft-1ft

Overall

1141

Males

828

M25-29

205

2.13M→6.43M

2.1 - 6.4 mi

Top 34%
×17story building
+274ft-78ft

Overall

2043

Males

1398

M25-29

319

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 39%
×21story building
+153ft-361ft

Overall

2365

Males

1578

M25-29

374

10.65M→Finish

10.7 - 13.1 mi

Top 44%
×17story building
+244ft-114ft

Overall

2681

Males

1713

M25-29

399

Passing Analysis

Category:
Athletes Passed
281*
Passed By
1198
Net Change
-917
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#998
1.40M → 2.13M85110-25#998#1023
2.13M → 6.43M18*620-602#1023#1625
6.43M → 6.62M12314+109#1625#1516
6.62M → 10.65M23*286-263#1516#1779
10.65M → Finish32*168-136#1779#1915
TOTALS281*1198-917

* 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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