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SF MARATHON 1ST HALF 2023

Nacer Malof

San Francisco, CA

Bib: 16209 M 43

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Top 45%
Gender (Male)
#0 / 3331
Masters (Masters Men)
#0 / 1028
Top 43%
Division (M40-44)
#0 / 332
Top 50%
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
9:42/mi
13:35
→ flat
11 ft elev
2.13M
19:42/mi
27:58
→ flat
13 ft elev
6.43M
11:58/mi
1:19:24
↑ 274↓ 780.9%
213 ft elev
6.62M
-43:-41/mi
1:11:17
↑ 161.6%
239 ft elev
10.65M
9:56/mi
1:51:17
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
9:16/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
1:11:1710:46 /mi+11.9%
2nd Half
1:02:489:41 /mi✓ faster
Negative split — 11.9% 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
13:359:421.40 mi13:35
9:42
-
2.13M
27:5813:080.73 mi14:23
19:42
+10:00
6.43M
1:19:2412:214.30 mi51:26
11:58
-7:44
6.62M
1:11:1710:460.19 mi
-43:-41
-55:39
10.65M
1:51:1710:274.03 mi40:00
9:56
+53:37
Finish(13.11 mi)
2:14:0510:142.46 mi22:48
9:16
-0:40
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-44:-41 /mi

Average Pace

10:14 /mi

Slowest Pace

19:42 /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

CheckpointSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
1.40M1.40 mi3579225021835792250218
2.13M0.73 mi3480+992190+60212+635712240216
6.43M4.30 mi3148+3322013+177186+2630921985187
6.62M0.19 mi2913+2351890+123174+12---
10.65M4.03 mi2868+451872+18170+428601856170
Finish(13.11 mi)2.46 mi2754+1141808+64165+524461585151

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 59%
~flat
+3ft-2ft

Overall

3579

Males

2250

M40-44

218

1.40M→2.13M

1.4 - 2.1 mi

Top 59%
~flat
+3ft-1ft

Overall

3571

Males

2240

M40-44

218

2.13M→6.43M

2.1 - 6.4 mi

Top 51%
×17story building
+274ft-78ft

Overall

3092

Males

1985

M40-44

187

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M40-44

-

6.62M→10.65M

6.6 - 10.7 mi

Top 47%
×21story building
+153ft-361ft

Overall

2860

Males

1856

M40-44

170

10.65M→Finish

10.7 - 13.1 mi

Top 40%
×17story building
+244ft-114ft

Overall

2446

Males

1585

M40-44

151

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#3579
1.40M → 2.13M
146245+99
#3579 → #3480
2.13M → 6.43M
126458*+332
#3480 → #3148
6.43M → 6.62M
4239+235
#3148 → #2913
6.62M → 10.65M
119164*+45
#2913 → #2868
10.65M → Finish
46160*+114
#2868 → #2754
TOTALS
4411266*+825
#3579 → #2754

* 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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The San Francisco Marathon

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