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SF MARATHON 1ST HALF 2023

David Guzman

Bib: 10859•M•Age: 23

Calistoga, CA

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Male)
#0 / 3331
M20-29
#0 / 333
Race Day Weather
60°/50°F
overcast clouds

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.40M
9:31/mi
13:20
→ flat
2.13M
20:57/mi
28:38
→ flat
6.43M
13:14/mi
1:25:32
↑ 274↓ 780.9%
6.62M
-40:-53/mi
1:17:57
↑ 161.6%
10.65M
11:29/mi
2:04:14
↑ 153↓ 3611.0%
Finish· 13.11 mi
11:48/mi
2:33:14
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:17:57
Pace11:46 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:15:17
Pace11:36 /mi
📊Negative Split: 3.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi06:43:4613:209:3113:20
9:31
-
2.13M
2.13 mi06:59:0428:3813:2715:18
20:57
+11:26
6.43M
6.43 mi07:55:581:25:3213:1856:54
13:14
-7:43
6.62M
6.62 mi07:48:231:17:5711:46
-40:-53
-54:07
10.65M
10.65 mi08:34:402:04:1411:4046:17
11:29
+52:22
Finish
13.11 mi09:03:402:33:1411:4129:00
11:48
+0:19

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

-41:-53 /mi

Average Pace

11:41 /mi

Slowest Pace

20:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:14

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:41 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
1.40M
1.40 mi06:43:4613:209:3113:20
9:31
#3286
2.13M
2.13 mi06:59:0428:3813:2715:18
20:57
#3843
6.43M
6.43 mi07:55:581:25:3213:1856:54
13:14
#4124
6.62M
6.62 mi07:48:231:17:5711:46
-40:-53
#4129
10.65M
10.65 mi08:34:402:04:1411:4046:17
11:29
#4311
Finish
13.11 mi09:03:402:33:1411:4129:00
11:48
#4435
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
1.40M1.40 mi1.40 mi328620872523286(Top 54%)2087(Top 63%)252(Top 76%)
2.13M2.13 mi0.73 mi3843-5572370-283276-244447(Top 73%)2659(Top 80%)287(Top 86%)
6.43M6.43 mi4.30 mi4124-2812535-165286-104290(Top 71%)2607(Top 78%)288(Top 86%)
6.62M6.62 mi0.19 mi4129-52531+4283+3---
10.65M10.65 mi4.03 mi4311-1822614-83289-64608(Top 76%)2734(Top 82%)291(Top 87%)
Finish13.11 mi2.46 mi4435-1242656-42291-24795(Top 79%)2765(Top 83%)288(Top 86%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 54%
~flat
+3ft-2ft

Overall

3286

Males

2087

M20-24

252

1.40M→2.13M

1.4 - 2.1 mi

Top 73%
~flat
+3ft-1ft

Overall

4447

Males

2659

M20-24

287

2.13M→6.43M

2.1 - 6.4 mi

Top 71%
×17story building
+274ft-78ft

Overall

4290

Males

2607

M20-24

288

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M20-24

-

6.62M→10.65M

6.6 - 10.7 mi

Top 76%
×21story building
+153ft-361ft

Overall

4608

Males

2734

M20-24

291

10.65M→Finish

10.7 - 13.1 mi

Top 79%
×17story building
+244ft-114ft

Overall

4795

Males

2765

M20-24

288

Passing Analysis

Category:
Athletes Passed
391*
Passed By
1540
Net Change
-1149
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#3286
1.40M → 2.13M39596-557#3286#3843
2.13M → 6.43M173*454-281#3843#4124
6.43M → 6.62M6772-5#4124#4129
6.62M → 10.65M68*250-182#4129#4311
10.65M → Finish44*168-124#4311#4435
TOTALS391*1540-1149

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

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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