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SF MARATHON 1ST HALF 2023

Greg Buckles

San Francisco, CA

Bib: 16478 M 37

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Male)
#0 / 3331
Division (M35-39)
#0 / 464
Race Day Weather
60°/50°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.40M
10:31/mi
14:43
→ flat
2.13M
20:22/mi
29:35
→ flat
6.43M
12:18/mi
1:22:28
↑ 274↓ 78
6.62M
-35:-6/mi
1:15:59
↑ 16
10.65M
9:50/mi
1:55:37
↑ 153↓ 361
Finish· 13.11 mi
8:52/mi
2:17:25
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:15:5911:29 /mi+19.1%
2nd Half
1:01:269:28 /mi✓ faster
Negative split — 19.1% 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
14:4310:311.40 mi14:43
10:31
-
2.13M
29:3513:530.73 mi14:52
20:22
+9:51
6.43M
1:22:2812:504.30 mi52:53
12:18
-8:04
6.62M
1:15:5911:290.19 mi
-35:-6
-47:24
10.65M
1:55:3710:514.03 mi39:38
9:50
+44:56
Finish(13.11 mi)
2:17:2510:292.46 mi21:48
8:52
-0:58
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-36:-6 /mi

Average Pace

10:29 /mi

Slowest Pace

20:22 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:17:25

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:29 /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. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
1.40M1.40 mi4703278237047032782370
2.13M0.73 mi4296+4072613+169350+2040332457331
6.43M4.30 mi3661+6352281+332313+3734412161299
6.62M0.19 mi3800-1392361-80322-9---
10.65M4.03 mi3394+4062153+208301+2127441792244
Finish(13.11 mi)2.46 mi3099+2951985+168273+2819831350191

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 77%
~flat
+3ft-2ft

Overall

4703

Males

2782

M35-39

371

1.40M→2.13M

1.4 - 2.1 mi

Top 66%
~flat
+3ft-1ft

Overall

4033

Males

2457

M35-39

332

2.13M→6.43M

2.1 - 6.4 mi

Top 57%
×17story building
+274ft-78ft

Overall

3441

Males

2161

M35-39

299

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M35-39

-

6.62M→10.65M

6.6 - 10.7 mi

Top 45%
×21story building
+153ft-361ft

Overall

2744

Males

1792

M35-39

244

10.65M→Finish

10.7 - 13.1 mi

Top 33%
×17story building
+244ft-114ft

Overall

1983

Males

1350

M35-39

191

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#4703
1.40M → 2.13M
58465+407
#4703 → #4296
2.13M → 6.43M
91726*+635
#4296 → #3661
6.43M → 6.62M
16122-139
#3661 → #3800
6.62M → 10.65M
21427*+406
#3800 → #3394
10.65M → Finish
6301*+295
#3394 → #3099
TOTALS
3371941*+1604
#4703 → #3099

* 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

The San Francisco Marathon

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