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SF MARATHON 1ST HALF 2023

Renee Johnson

Bib: 12281•F•Age: 29

Oakland, CA

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Female)
#0 / 2732
Division (F25-29)
#0 / 629
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
9:44/mi
13:38
→ flat
2.13M
20:05/mi
28:18
→ flat
6.43M
13:59/mi
1:28:24
↑ 274↓ 780.9%
6.62M
-40:-37/mi
1:20:52
↑ 161.6%
10.65M
10:33/mi
2:03:23
↑ 153↓ 3611.0%
Finish· 13.11 mi
10:59/mi
2:30:24
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:20:52
Pace12:13 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:09:32
Pace10:43 /mi
📊Negative Split: 14.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi06:55:5913:389:4413:38
9:44
-
2.13M
2.13 mi07:10:3928:1813:1714:40
20:05
+10:21
6.43M
6.43 mi08:10:451:28:2413:451:00:06
13:59
-6:06
6.62M
6.62 mi08:03:131:20:5212:13
-40:-37
-54:36
10.65M
10.65 mi08:45:442:03:2311:3542:31
10:33
+51:10
Finish
13.11 mi09:12:452:30:2411:2827:01
10:59
+0:26

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:-37 /mi

Average Pace

11:28 /mi

Slowest Pace

20:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:24

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:28 /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 mi06:55:5913:389:4413:38
9:44
#3641
2.13M
2.13 mi07:10:3928:1813:1714:40
20:05
#3659
6.43M
6.43 mi08:10:451:28:2413:451:00:06
13:59
#4554
6.62M
6.62 mi08:03:131:20:5212:13
-40:-37
#4580
10.65M
10.65 mi08:45:442:03:2311:3542:31
10:33
#4231
Finish
13.11 mi09:12:452:30:2411:2827:01
10:59
#4238
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
1.40M1.40 mi1.40 mi364113643713641(Top 60%)1364(Top 50%)371(Top 59%)
2.13M2.13 mi0.73 mi3659-181374-103713864(Top 64%)1486(Top 54%)385(Top 61%)
6.43M6.43 mi4.30 mi4554-8951820-446479-1084901(Top 81%)2025(Top 74%)517(Top 82%)
6.62M6.62 mi0.19 mi4580-261827-7481-2---
10.65M10.65 mi4.03 mi4231+3491651+176428+533662(Top 60%)1398(Top 51%)362(Top 58%)
Finish13.11 mi2.46 mi4238-71667-16434-64223(Top 70%)1715(Top 63%)429(Top 68%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 60%
~flat
+3ft-2ft

Overall

3641

Females

1364

F25-29

372

1.40M→2.13M

1.4 - 2.1 mi

Top 64%
~flat
+3ft-1ft

Overall

3864

Females

1486

F25-29

390

2.13M→6.43M

2.1 - 6.4 mi

Top 81%
×17story building
+274ft-78ft

Overall

4901

Females

2025

F25-29

517

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F25-29

-

6.62M→10.65M

6.6 - 10.7 mi

Top 60%
×21story building
+153ft-361ft

Overall

3662

Females

1398

F25-29

362

10.65M→Finish

10.7 - 13.1 mi

Top 70%
×17story building
+244ft-114ft

Overall

4223

Females

1715

F25-29

429

Passing Analysis

Category:
Athletes Passed
762*
Passed By
1359
Net Change
-597
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#3641
1.40M → 2.13M192210-18#3641#3659
2.13M → 6.43M54*949-895#3659#4554
6.43M → 6.62M5783-26#4554#4580
6.62M → 10.65M378*29+349#4580#4231
10.65M → Finish81*88-7#4231#4238
TOTALS762*1359-597

* 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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