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SF MARATHON 1ST HALF 2023

Kevin Nacor

South San Francisco, CA

Bib: 16561 M 32

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 50%
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
9:04/mi
12:41
→ flat
11 ft elev
2.13M
19:58/mi
27:16
→ flat
13 ft elev
6.43M
12:10/mi
1:19:33
↑ 274↓ 780.9%
213 ft elev
6.62M
-38:-5/mi
1:12:30
↑ 161.6%
239 ft elev
10.65M
9:44/mi
1:51:45
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
10:07/mi
2:16:37
↑ 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
1:12:3010:57 /mi+11.6%
2nd Half
1:04:079:53 /mi✓ faster
Negative split — 11.6% 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
12:419:041.40 mi12:41
9:04
-
2.13M
27:1612:480.73 mi14:35
19:58
+10:54
6.43M
1:19:3312:224.30 mi52:17
12:10
-7:48
6.62M
1:12:3010:570.19 mi
-38:-5
-50:15
10.65M
1:51:4510:304.03 mi39:15
9:44
+47:49
Finish(13.11 mi)
2:16:3710:252.46 mi24:52
10:07
+0:23
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-39:-5 /mi

Average Pace

10:25 /mi

Slowest Pace

19:58 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:16:37

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:25 /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 mi2478165136024781651360
2.13M0.73 mi3047-5691950-299433-7337712334536
6.43M4.30 mi3184-1372039-89461-2833062094474
6.62M0.19 mi3139+452007+32450+11---
10.65M4.03 mi2930+2091903+104437+1326291727401
Finish(13.11 mi)2.46 mi3018-881946-43445-834702142489

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 41%
~flat
+3ft-2ft

Overall

2478

Males

1651

M30-34

362

1.40M→2.13M

1.4 - 2.1 mi

Top 62%
~flat
+3ft-1ft

Overall

3771

Males

2334

M30-34

539

2.13M→6.43M

2.1 - 6.4 mi

Top 54%
×17story building
+274ft-78ft

Overall

3306

Males

2094

M30-34

476

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 43%
×21story building
+153ft-361ft

Overall

2629

Males

1727

M30-34

403

10.65M→Finish

10.7 - 13.1 mi

Top 57%
×17story building
+244ft-114ft

Overall

3470

Males

2142

M30-34

489

Passing Analysis

Category:
Passed
679*
Passed By
1219
Net Change
-540
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#2478
1.40M → 2.13M41610-569#2478#3047
2.13M → 6.43M214*351-137#3047#3184
6.43M → 6.62M9348+45#3184#3139
6.62M → 10.65M268*59+209#3139#2930
10.65M → Finish63*151-88#2930#3018
TOTALS679*1219-540

* 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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