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SF MARATHON 1ST HALF 2023

Costa John

oakland, CA

Bib: 9910 M 67

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Top 18%
Gender (Male)
#0 / 3331
Top 25%
Masters (Masters Men)
#0 / 1028
Top 16%
Division (M65-69)
#0 / 38
Top 3%
Race Day Weather
60°/50°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.40M
8:14/mi
11:32
→ flat
2.13M
16:36/mi
23:39
→ flat
6.43M
10:18/mi
1:07:56
↑ 274↓ 78
6.62M
-31:-20/mi
1:02:10
↑ 16
10.65M
8:33/mi
1:36:37
↑ 153↓ 361
Finish· 13.11 mi
8:21/mi
1:57:10
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:02:109:23 /mi+11.5%
2nd Half
55:008:29 /mi✓ faster
Negative split — 11.5% 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
11:328:141.40 mi11:32
8:14
-
2.13M
23:3911:060.73 mi12:07
16:36
+8:22
6.43M
1:07:5610:344.30 mi44:17
10:18
-6:18
6.62M
1:02:109:230.19 mi
-31:-20
-41:38
10.65M
1:36:379:044.03 mi34:27
8:33
+39:53
Finish(13.11 mi)
1:57:108:562.46 mi20:33
8:21
-0:12
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-32:-20 /mi

Average Pace

8:56 /mi

Slowest Pace

16:36 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:57:10

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:56 /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. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
1.40M1.40 mi1170847311708473
2.13M0.73 mi1122+48823+241+211488322
6.43M4.30 mi1093+29817+6111778801
6.62M0.19 mi1109-16824-71---
10.65M4.03 mi1063+46801+23110998231
Finish(13.11 mi)2.46 mi1099-36823-221140310112

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 19%
~flat
+3ft-2ft

Overall

1170

Males

847

M65-69

3

1.40M→2.13M

1.4 - 2.1 mi

Top 19%
~flat
+3ft-1ft

Overall

1148

Males

832

M65-69

2

2.13M→6.43M

2.1 - 6.4 mi

Top 19%
×17story building
+274ft-78ft

Overall

1177

Males

880

M65-69

1

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M65-69

-

6.62M→10.65M

6.6 - 10.7 mi

Top 18%
×21story building
+153ft-361ft

Overall

1099

Males

823

M65-69

1

10.65M→Finish

10.7 - 13.1 mi

Top 23%
×17story building
+244ft-114ft

Overall

1403

Males

1011

M65-69

2

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#1170
1.40M → 2.13M
76124+48
#1170 → #1122
2.13M → 6.43M
100129*+29
#1122 → #1093
6.43M → 6.62M
3721-16
#1093 → #1109
6.62M → 10.65M
56102*+46
#1109 → #1063
10.65M → Finish
7640*-36
#1063 → #1099
TOTALS
345416*+71
#1170 → #1099

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

Passing Visualized

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Public Race Data

The San Francisco Marathon

The San Francisco Marathon

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