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SF MARATHON 1ST HALF 2023

Todd Nerlin

Fremont, CA

Bib: 17287 M 49

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Top 25%
Gender (Male)
#0 / 3331
Top 34%
Masters (Masters Men)
#0 / 1028
Top 24%
Division (M45-49)
#0 / 241
Top 27%
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
8:09/mi
11:24
→ flat
11 ft elev
2.13M
17:35/mi
24:14
→ flat
13 ft elev
6.43M
10:44/mi
1:10:21
↑ 274↓ 780.9%
213 ft elev
6.62M
-34:-3/mi
1:04:04
↑ 161.6%
239 ft elev
10.65M
9:06/mi
1:40:43
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
8:50/mi
2:02:25
↑ 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
1:04:049:41 /mi+8.9%
2nd Half
58:219:00 /mi✓ faster
Negative split — 8.9% 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
11:248:091.40 mi11:24
8:09
-
2.13M
24:1411:230.73 mi12:50
17:35
+9:26
6.43M
1:10:2110:564.30 mi46:07
10:44
-6:51
6.62M
1:04:049:410.19 mi
-34:-3
-44:47
10.65M
1:40:439:274.03 mi36:39
9:06
+43:09
Finish(13.11 mi)
2:02:259:202.46 mi21:42
8:50
-0:16
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-35:-3 /mi

Average Pace

9:20 /mi

Slowest Pace

17:35 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:02:25

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:20 /mi

Loading chart...
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. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
1.40M1.40 mi1.40 mi105477747105477747
2.13M2.13 mi0.73 mi1367-313975-19856-91800123571
6.43M6.43 mi4.30 mi1475-1081065-9061-51637116266
6.62M6.62 mi0.19 mi1435+401034+3156+5---
10.65M10.65 mi4.03 mi1517-821093-5965-91752125168
Finish13.11 mi2.46 mi1548-311116-2366-11936132681

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 17%
~flat
+3ft-2ft

Overall

1054

Males

777

M45-49

47

1.40M→2.13M

1.4 - 2.1 mi

Top 30%
~flat
+3ft-1ft

Overall

1800

Males

1235

M45-49

73

2.13M→6.43M

2.1 - 6.4 mi

Top 27%
×17story building
+274ft-78ft

Overall

1637

Males

1162

M45-49

66

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M45-49

-

6.62M→10.65M

6.6 - 10.7 mi

Top 29%
×21story building
+153ft-361ft

Overall

1752

Males

1251

M45-49

68

10.65M→Finish

10.7 - 13.1 mi

Top 32%
×17story building
+244ft-114ft

Overall

1936

Males

1326

M45-49

81

Passing Analysis

Category:
Athletes Passed
302*
Passed By
796
Net Change
-494
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#1054
1.40M → 2.13M20333-313#1054#1367
2.13M → 6.43M107*215-108#1367#1475
6.43M → 6.62M6525+40#1475#1435
6.62M → 10.65M55*137-82#1435#1517
10.65M → Finish55*86-31#1517#1548
TOTALS302*796-494

* 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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