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SF MARATHON 1ST HALF 2023

Trevor Kornaga

Bib: 10042•M•Age: 23

Seattle, WA

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 36%
Gender (Male)
#0 / 3331
Top 44%
M20-29
#0 / 333
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
9:26/mi
13:13
→ flat
2.13M
19:24/mi
27:23
→ flat
6.43M
11:24/mi
1:16:24
↑ 274↓ 780.9%
6.62M
-30:-27/mi
1:10:48
↑ 161.6%
10.65M
9:10/mi
1:47:45
↑ 153↓ 3611.0%
Finish· 13.11 mi
8:26/mi
2:08:29
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:10:48
Pace10:42 /mi
2nd Half✓ Faster
Distance6.49 mi
Time57:41
Pace8:53 /mi
📊Negative Split: 18.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi06:52:2113:139:2613:13
9:26
-
2.13M
2.13 mi07:06:3127:2312:5114:10
19:24
+9:58
6.43M
6.43 mi07:55:321:16:2411:5349:01
11:24
-8:00
6.62M
6.62 mi07:49:561:10:4810:42
-30:-27
-41:51
10.65M
10.65 mi08:26:531:47:4510:0736:57
9:10
+39:37
Finish
13.11 mi08:47:372:08:299:4820:44
8:26
-0:44

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:-27 /mi

Average Pace

9:48 /mi

Slowest Pace

19:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:29

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:48 /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 mi06:52:2113:139:2613:13
9:26
#3149
2.13M
2.13 mi07:06:3127:2312:5114:10
19:24
#3130
6.43M
6.43 mi07:55:321:16:2411:5349:01
11:24
#2570
6.62M
6.62 mi07:49:561:10:4810:42
-30:-27
#2790
10.65M
10.65 mi08:26:531:47:4510:0736:57
9:10
#2408
Finish
13.11 mi08:47:372:08:299:4820:44
8:26
#2159
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
1.40M1.40 mi1.40 mi314920142463149(Top 52%)2014(Top 60%)246(Top 74%)
2.13M2.13 mi0.73 mi3130+191998+16247-13285(Top 54%)2083(Top 63%)246(Top 74%)
6.43M6.43 mi4.30 mi2570+5601716+282218+292442(Top 40%)1633(Top 49%)213(Top 64%)
6.62M6.62 mi0.19 mi2790-2201833-117228-10---
10.65M10.65 mi4.03 mi2408+3821620+213208+201859(Top 31%)1304(Top 39%)182(Top 55%)
Finish13.11 mi2.46 mi2159+2491469+151197+111464(Top 24%)1052(Top 32%)156(Top 47%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 52%
~flat
+3ft-2ft

Overall

3149

Males

2014

M20-24

246

1.40M→2.13M

1.4 - 2.1 mi

Top 54%
~flat
+3ft-1ft

Overall

3285

Males

2083

M20-24

246

2.13M→6.43M

2.1 - 6.4 mi

Top 40%
×17story building
+274ft-78ft

Overall

2442

Males

1633

M20-24

213

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M20-24

-

6.62M→10.65M

6.6 - 10.7 mi

Top 31%
×21story building
+153ft-361ft

Overall

1859

Males

1304

M20-24

182

10.65M→Finish

10.7 - 13.1 mi

Top 24%
×17story building
+244ft-114ft

Overall

1464

Males

1052

M20-24

156

Passing Analysis

Category:
Athletes Passed
1509*
Passed By
519
Net Change
+990
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#3149
1.40M → 2.13M190171+19#3149#3130
2.13M → 6.43M627*67+560#3130#2570
6.43M → 6.62M18238-220#2570#2790
6.62M → 10.65M406*24+382#2790#2408
10.65M → Finish268*19+249#2408#2159
TOTALS1509*519+990

* 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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