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SF MARATHON 1ST HALF 2023

Nate Arenchild

El Dorado Hills, CA

Bib: 10418 M 33

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 4%
Gender (Male)
#0 / 3331
Top 6%
Division (M30-34)
#0 / 723
Top 7%
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
7:26/mi
10:25
→ flat
11 ft elev
2.13M
14:45/mi
21:11
→ flat
13 ft elev
6.43M
9:02/mi
1:00:03
↑ 274↓ 780.9%
213 ft elev
6.62M
-26:-46/mi
55:09
↑ 161.6%
239 ft elev
10.65M
7:21/mi
1:24:46
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
7:12/mi
1:42:29
↑ 244↓ 1141.0%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
55:098:20 /mi+14.2%
2nd Half
47:207:18 /mi✓ faster
Negative split — 14.2% faster in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
1.40M
10:257:261.40 mi10:25
7:26
-
2.13M
21:119:570.73 mi10:46
14:45
+7:19
6.43M
1:00:039:204.30 mi38:52
9:02
-5:43
6.62M
55:098:200.19 mi
-26:-46
-35:48
10.65M
1:24:467:584.03 mi29:37
7:21
+34:07
Finish(13.11 mi)
1:42:297:492.46 mi17:43
7:12
-0:09
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-27:-46 /mi

Average Pace

7:49 /mi

Slowest Pace

14:45 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:42:29

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:49 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
1.40M1.40 mi4113388541133885
2.13M0.73 mi361+50296+4266+1936828370
6.43M4.30 mi298+63246+5056+1030824959
6.62M0.19 mi301-3247-161-5---
10.65M4.03 mi255+46214+3350+1119416841
Finish(13.11 mi)2.46 mi250+5211+351-133227472

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 7%
~flat
+3ft-2ft

Overall

411

Males

338

M30-34

86

1.40M→2.13M

1.4 - 2.1 mi

Top 6%
~flat
+3ft-1ft

Overall

368

Males

283

M30-34

72

2.13M→6.43M

2.1 - 6.4 mi

Top 5%
×17story building
+274ft-78ft

Overall

308

Males

249

M30-34

60

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M30-34

-

6.62M→10.65M

6.6 - 10.7 mi

Top 3%
×21story building
+153ft-361ft

Overall

194

Males

168

M30-34

41

10.65M→Finish

10.7 - 13.1 mi

Top 5%
×17story building
+244ft-114ft

Overall

332

Males

274

M30-34

72

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#411
1.40M → 2.13M
1767+50
#411 → #361
2.13M → 6.43M
2083+63
#361 → #298
6.43M → 6.62M
1613-3
#298 → #301
6.62M → 10.65M
753+46
#301 → #255
10.65M → Finish
1823*+5
#255 → #250
TOTALS
78239*+161
#411 → #250

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Visualized

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Passing Circle

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Position Flow

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Race Lanes

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