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SF MARATHON 1ST HALF 2023

David Romero

Bib: 10099•M•Age: 42

SAN LUIS POTOSI, TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Top 5%
Gender (Male)
#0 / 3331
Top 8%
Masters (Masters Men)
#0 / 1028
Top 4%
Division (M40-44)
#0 / 332
Top 7%
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
7:01/mi
9:49
→ flat
2.13M
14:31/mi
20:25
→ flat
6.43M
9:01/mi
59:12
↑ 274↓ 780.9%
6.62M
-27:-2/mi
54:15
↑ 161.6%
10.65M
7:54/mi
1:26:04
↑ 153↓ 3611.0%
Finish· 13.11 mi
7:39/mi
1:44:53
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time54:15
Pace8:12 /mi
2nd Half✓ Faster
Distance6.49 mi
Time50:38
Pace7:48 /mi
📊Negative Split: 6.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi06:40:119:497:019:49
7:01
-
2.13M
2.13 mi06:50:4720:259:3510:36
14:31
+7:30
6.43M
6.43 mi07:29:3459:129:1238:47
9:01
-5:30
6.62M
6.62 mi07:24:3754:158:12
-27:-2
-36:03
10.65M
10.65 mi07:56:261:26:048:0531:49
7:54
+34:56
Finish
13.11 mi08:15:151:44:538:0018:49
7:39
-0:15

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

-28:-2 /mi

Average Pace

8:00 /mi

Slowest Pace

14:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:53

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:00 /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 mi06:40:119:497:019:49
7:01
#209
2.13M
2.13 mi06:50:4720:259:3510:36
14:31
#221
6.43M
6.43 mi07:29:3459:129:1238:47
9:01
#251
6.62M
6.62 mi07:24:3754:158:12
-27:-2
#241
10.65M
10.65 mi07:56:261:26:048:0531:49
7:54
#305
Finish
13.11 mi08:15:151:44:538:0018:49
7:39
#330
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
1.40M1.40 mi1.40 mi20917913209(Top 3%)179(Top 5%)13(Top 4%)
2.13M2.13 mi0.73 mi221-12188-912+1295(Top 5%)232(Top 7%)16(Top 5%)
6.43M6.43 mi4.30 mi251-30210-2216-4301(Top 5%)244(Top 7%)17(Top 5%)
6.62M6.62 mi0.19 mi241+10202+817-1---
10.65M10.65 mi4.03 mi305-64252-5021-4475(Top 8%)386(Top 12%)31(Top 9%)
Finish13.11 mi2.46 mi330-25266-1422-1659(Top 11%)528(Top 16%)35(Top 11%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 3%
~flat
+3ft-2ft

Overall

209

Males

179

M40-44

13

1.40M→2.13M

1.4 - 2.1 mi

Top 5%
~flat
+3ft-1ft

Overall

295

Males

232

M40-44

18

2.13M→6.43M

2.1 - 6.4 mi

Top 5%
×17story building
+274ft-78ft

Overall

301

Males

244

M40-44

17

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M40-44

-

6.62M→10.65M

6.6 - 10.7 mi

Top 8%
×21story building
+153ft-361ft

Overall

475

Males

386

M40-44

31

10.65M→Finish

10.7 - 13.1 mi

Top 11%
×17story building
+244ft-114ft

Overall

659

Males

528

M40-44

35

Passing Analysis

Category:
Athletes Passed
75*
Passed By
196
Net Change
-121
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#209
1.40M → 2.13M2335-12#209#221
2.13M → 6.43M2151-30#221#251
6.43M → 6.62M177+10#251#241
6.62M → 10.65M468-64#241#305
10.65M → Finish10*35-25#305#330
TOTALS75*196-121

* 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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