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SF MARATHON 1ST HALF 2023

Nathan Borofka

San Jose, CA

Bib: 14873 M 34

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Male)
#0 / 3331
Division (M30-34)
#0 / 723
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
10:01/mi
14:02
→ flat
11 ft elev
2.13M
19:05/mi
27:58
→ flat
13 ft elev
6.43M
12:44/mi
1:22:44
↑ 274↓ 780.9%
213 ft elev
6.62M
-37:-23/mi
1:15:49
↑ 161.6%
239 ft elev
10.65M
10:21/mi
1:57:31
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
9:35/mi
2:21:06
↑ 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
1:15:4911:27 /mi+13.9%
2nd Half
1:05:1710:04 /mi✓ faster
Negative split — 13.9% 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
14:0210:011.40 mi14:02
10:01
-
2.13M
27:5813:080.73 mi13:56
19:05
+9:04
6.43M
1:22:4412:524.30 mi54:46
12:44
-6:21
6.62M
1:15:4911:270.19 mi
-37:-23
-50:07
10.65M
1:57:3111:024.03 mi41:42
10:21
+47:44
Finish(13.11 mi)
2:21:0610:462.46 mi23:35
9:35
-0:46
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-38:-23 /mi

Average Pace

10:46 /mi

Slowest Pace

19:05 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:21:06

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:46 /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. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
1.40M1.40 mi4033247255340332472553
2.13M0.73 mi3487+5462195+277487+6630161933434
6.43M4.30 mi3695-2082301-106520-3338922400542
6.62M0.19 mi3766-712341-40529-9---
10.65M4.03 mi3590+1762241+100507+2234212133482
Finish(13.11 mi)2.46 mi3437+1532158+83485+2228471808413

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 66%
~flat
+3ft-2ft

Overall

4033

Males

2472

M30-34

555

1.40M→2.13M

1.4 - 2.1 mi

Top 50%
~flat
+3ft-1ft

Overall

3016

Males

1933

M30-34

437

2.13M→6.43M

2.1 - 6.4 mi

Top 64%
×17story building
+274ft-78ft

Overall

3892

Males

2400

M30-34

545

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M30-34

-

6.62M→10.65M

6.6 - 10.7 mi

Top 56%
×21story building
+153ft-361ft

Overall

3421

Males

2133

M30-34

484

10.65M→Finish

10.7 - 13.1 mi

Top 47%
×17story building
+244ft-114ft

Overall

2847

Males

1808

M30-34

413

Passing Analysis

Category:
Passed
1216*
Passed By
620
Net Change
+596
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#4033
1.40M → 2.13M58539+546#4033#3487
2.13M → 6.43M191*399-208#3487#3695
6.43M → 6.62M34105-71#3695#3766
6.62M → 10.65M224*48+176#3766#3590
10.65M → Finish182*29+153#3590#3437
TOTALS1216*620+596

* 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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