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SF MARATHON 1ST HALF 2023

Brian Kohndrow

Livermore, CA

Bib: 11309 M 50

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Gender (Male)
#0 / 3331
Masters (Masters Men)
#0 / 1028
Division (M50-54)
#0 / 199
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
10:05/mi
14:07
→ flat
11 ft elev
2.13M
21:51/mi
30:04
→ flat
13 ft elev
6.43M
14:56/mi
1:34:17
↑ 274↓ 780.9%
213 ft elev
6.62M
-51:-14/mi
1:24:44
↑ 161.6%
239 ft elev
10.65M
12:55/mi
2:16:46
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
12:47/mi
2:48:13
↑ 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
1:24:4412:48 /mi+1.5%
2nd Half
1:23:2912:52 /mi✓ faster
Negative split — 1.5% 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
14:0710:051.40 mi14:07
10:05
-
2.13M
30:0414:070.73 mi15:57
21:51
+11:46
6.43M
1:34:1714:404.30 mi1:04:13
14:56
-6:55
6.62M
1:24:4412:480.19 mi
-51:-14
-66:10
10.65M
2:16:4612:504.03 mi52:02
12:55
+64:09
Finish(13.11 mi)
2:48:1312:502.46 mi31:27
12:47
-0:08
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-52:-14 /mi

Average Pace

12:50 /mi

Slowest Pace

21:51 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:48:13

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 12:50 /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. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
1.40M1.40 mi1.40 mi4132251513141322515131
2.13M2.13 mi0.73 mi4528-3962711-196151-2049452882165
6.43M6.43 mi4.30 mi5180-6523003-292162-1153623062168
6.62M6.62 mi0.19 mi5052+1282949+54159+3---
10.65M10.65 mi4.03 mi5226-1743003-54170-1154363066177
Finish13.11 mi2.46 mi5268-423008-5171-153283014174

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 68%
~flat
+3ft-2ft

Overall

4132

Males

2515

M50-54

131

1.40M→2.13M

1.4 - 2.1 mi

Top 81%
~flat
+3ft-1ft

Overall

4945

Males

2882

M50-54

165

2.13M→6.43M

2.1 - 6.4 mi

Top 88%
×17story building
+274ft-78ft

Overall

5362

Males

3062

M50-54

168

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M50-54

-

6.62M→10.65M

6.6 - 10.7 mi

Top 90%
×21story building
+153ft-361ft

Overall

5436

Males

3066

M50-54

177

10.65M→Finish

10.7 - 13.1 mi

Top 88%
×17story building
+244ft-114ft

Overall

5328

Males

3014

M50-54

174

Passing Analysis

Category:
Athletes Passed
350*
Passed By
1486
Net Change
-1136
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#4132
1.40M → 2.13M58454-396#4132#4528
2.13M → 6.43M64*716-652#4528#5180
6.43M → 6.62M1368+128#5180#5052
6.62M → 10.65M40*214-174#5052#5226
10.65M → Finish52*94-42#5226#5268
TOTALS350*1486-1136

* 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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