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SF MARATHON 1ST HALF 2023

Aaron Rios

San Francisco, CA

Bib: 9944 M 29

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 45%
Gender (Male)
#0 / 3331
Division (M25-29)
#0 / 688
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
10:13/mi
14:18
→ flat
11 ft elev
2.13M
20:09/mi
29:01
→ flat
13 ft elev
6.43M
12:04/mi
1:20:54
↑ 274↓ 780.9%
213 ft elev
6.62M
-33:-15/mi
1:14:46
↑ 161.6%
239 ft elev
10.65M
9:24/mi
1:52:39
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
8:43/mi
2:14:05
↑ 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
1:14:4611:18 /mi+20.7%
2nd Half
59:199:08 /mi✓ faster
Negative split — 20.7% 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
14:1810:131.40 mi14:18
10:13
-
2.13M
29:0113:370.73 mi14:43
20:09
+9:56
6.43M
1:20:5412:354.30 mi51:53
12:04
-8:05
6.62M
1:14:4611:180.19 mi
-33:-15
-45:19
10.65M
1:52:3910:354.03 mi37:53
9:24
+42:39
Finish(13.11 mi)
2:14:0510:142.46 mi21:26
8:43
-0:41
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-34:-15 /mi

Average Pace

10:14 /mi

Slowest Pace

20:09 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:14:05

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:14 /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

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
1.40M1.40 mi1.40 mi4312260557343122605573
2.13M2.13 mi0.73 mi4030+2822474+131548+2538892388528
6.43M6.43 mi4.30 mi3413+6172155+319491+5732042040463
6.62M6.62 mi0.19 mi3569-1562229-74506-15---
10.65M10.65 mi4.03 mi3036+5331965+264446+6021731477348
Finish13.11 mi2.46 mi2753+2831807+158423+2318021252290

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 71%
~flat
+3ft-2ft

Overall

4312

Males

2605

M25-29

576

1.40M→2.13M

1.4 - 2.1 mi

Top 64%
~flat
+3ft-1ft

Overall

3889

Males

2388

M25-29

534

2.13M→6.43M

2.1 - 6.4 mi

Top 53%
×17story building
+274ft-78ft

Overall

3204

Males

2040

M25-29

465

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 36%
×21story building
+153ft-361ft

Overall

2173

Males

1477

M25-29

349

10.65M→Finish

10.7 - 13.1 mi

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

Overall

1802

Males

1252

M25-29

290

Passing Analysis

Category:
Athletes Passed
1930*
Passed By
371
Net Change
+1559
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#4312
1.40M → 2.13M36179+282#4312#4030
2.13M → 6.43M701*84+617#4030#3413
6.43M → 6.62M26182-156#3413#3569
6.62M → 10.65M546*13+533#3569#3036
10.65M → Finish296*13+283#3036#2753
TOTALS1930*371+1559

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

Passing Charts

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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

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