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SF MARATHON 1ST HALF 2023

Chieh Lo

Petaluma, CA

Bib: 11398 M 35

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 49%
Gender (Male)
#0 / 3331
Division (M35-39)
#0 / 464
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
14:02/mi
19:39
→ flat
11 ft elev
2.13M
18:09/mi
32:54
→ flat
13 ft elev
6.43M
11:07/mi
1:20:42
↑ 274↓ 780.9%
213 ft elev
6.62M
-33:-57/mi
1:14:26
↑ 161.6%
239 ft elev
10.65M
9:36/mi
1:53:08
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
9:27/mi
2:16:22
↑ 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
1:14:2611:15 /mi+16.8%
2nd Half
1:01:569:33 /mi✓ faster
Negative split — 16.8% 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
19:3914:021.40 mi19:39
14:02
-
2.13M
32:5415:270.73 mi13:15
18:09
+4:07
6.43M
1:20:4212:334.30 mi47:48
11:07
-7:02
6.62M
1:14:2611:150.19 mi
-33:-57
-45:04
10.65M
1:53:0810:374.03 mi38:42
9:36
+43:33
Finish(13.11 mi)
2:16:2210:242.46 mi23:14
9:27
-0:09
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-34:-57 /mi

Average Pace

10:24 /mi

Slowest Pace

18:09 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:16:22

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:24 /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. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
1.40M1.40 mi1.40 mi5802323744558023237445
2.13M2.13 mi0.73 mi5336+4663062+175414+3122371501200
6.43M6.43 mi4.30 mi3377+19592138+924296+11820751419197
6.62M6.62 mi0.19 mi3508-1312192-54301-5---
10.65M10.65 mi4.03 mi3095+4132000+192274+2724641632219
Finish13.11 mi2.46 mi2991+1041928+72265+926501695232

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 96%
~flat
+3ft-2ft

Overall

5802

Males

3237

M35-39

446

1.40M→2.13M

1.4 - 2.1 mi

Top 37%
~flat
+3ft-1ft

Overall

2237

Males

1501

M35-39

201

2.13M→6.43M

2.1 - 6.4 mi

Top 34%
×17story building
+274ft-78ft

Overall

2075

Males

1419

M35-39

197

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M35-39

-

6.62M→10.65M

6.6 - 10.7 mi

Top 41%
×21story building
+153ft-361ft

Overall

2464

Males

1632

M35-39

219

10.65M→Finish

10.7 - 13.1 mi

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

Overall

2650

Males

1695

M35-39

232

Passing Analysis

Category:
Athletes Passed
3083*
Passed By
272
Net Change
+2811
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#5802
1.40M → 2.13M491*25+466#5802#5336
2.13M → 6.43M1977*18+1959#5336#3377
6.43M → 6.62M28159-131#3377#3508
6.62M → 10.65M434*21+413#3508#3095
10.65M → Finish153*49+104#3095#2991
TOTALS3083*272+2811

* 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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