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SF MARATHON 1ST HALF 2023

Alejandro Romero

Bib: 16777•M•Age: 24

South San Francisco, 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
10:11/mi
14:15
→ flat
2.13M
21:18/mi
29:48
→ flat
6.43M
12:50/mi
1:24:59
↑ 274↓ 780.9%
6.62M
-36:-9/mi
1:18:18
↑ 161.6%
10.65M
10:44/mi
2:01:34
↑ 153↓ 3611.0%
Finish· 13.11 mi
11:16/mi
2:29:17
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:18:18
Pace11:50 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:10:59
Pace10:56 /mi
📊Negative Split: 9.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:08:4714:1510:1114:15
10:11
-
2.13M
2.13 mi07:24:2029:4813:5915:33
21:18
+11:07
6.43M
6.43 mi08:19:311:24:5913:1355:11
12:50
-8:28
6.62M
6.62 mi08:12:501:18:1811:50
-36:-9
-48:59
10.65M
10.65 mi08:56:062:01:3411:2543:16
10:44
+46:53
Finish
13.11 mi09:23:492:29:1711:2327:43
11:16
+0:32

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

-37:-9 /mi

Average Pace

11:23 /mi

Slowest Pace

21:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:17

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:23 /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 mi07:08:4714:1510:1114:15
10:11
#4265
2.13M
2.13 mi07:24:2029:4813:5915:33
21:18
#4391
6.43M
6.43 mi08:19:311:24:5913:1355:11
12:50
#4051
6.62M
6.62 mi08:12:501:18:1811:50
-36:-9
#4180
10.65M
10.65 mi08:56:062:01:3411:2543:16
10:44
#4056
Finish
13.11 mi09:23:492:29:1711:2327:43
11:16
#4166
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
1.40M1.40 mi1.40 mi426525812994265(Top 70%)2581(Top 77%)299(Top 90%)
2.13M2.13 mi0.73 mi4391-1262653-72296+34670(Top 77%)2761(Top 83%)300(Top 90%)
6.43M6.43 mi4.30 mi4051+3402496+157282+143980(Top 66%)2444(Top 73%)277(Top 83%)
6.62M6.62 mi0.19 mi4180-1292556-60285-3---
10.65M10.65 mi4.03 mi4056+1242481+75281+43890(Top 64%)2368(Top 71%)267(Top 80%)
Finish13.11 mi2.46 mi4166-1102530-49285-44420(Top 73%)2603(Top 78%)281(Top 84%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 70%
~flat
+3ft-2ft

Overall

4265

Males

2581

M20-24

299

1.40M→2.13M

1.4 - 2.1 mi

Top 77%
~flat
+3ft-1ft

Overall

4670

Males

2761

M20-24

300

2.13M→6.43M

2.1 - 6.4 mi

Top 66%
×17story building
+274ft-78ft

Overall

3980

Males

2444

M20-24

277

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 64%
×21story building
+153ft-361ft

Overall

3890

Males

2368

M20-24

267

10.65M→Finish

10.7 - 13.1 mi

Top 73%
×17story building
+244ft-114ft

Overall

4420

Males

2603

M20-24

281

Passing Analysis

Category:
Athletes Passed
912*
Passed By
813
Net Change
+99
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#4265
1.40M → 2.13M119245-126#4265#4391
2.13M → 6.43M500*160+340#4391#4051
6.43M → 6.62M32161-129#4051#4180
6.62M → 10.65M219*95+124#4180#4056
10.65M → Finish42*152-110#4056#4166
TOTALS912*813+99

* 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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