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SF MARATHON 1ST HALF 2023

Lydia Rader

Bib: 13992•F•Age: 26

Boulder, CO

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 33%
Gender (Female)
#0 / 2732
Top 24%
Division (F25-29)
#0 / 629
Top 29%
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
8:49/mi
12:20
→ flat
2.13M
18:57/mi
26:10
→ flat
6.43M
11:24/mi
1:15:11
↑ 274↓ 780.9%
6.62M
-34:-8/mi
1:08:53
↑ 161.6%
10.65M
9:10/mi
1:45:49
↑ 153↓ 3611.0%
Finish· 13.11 mi
8:43/mi
2:07:16
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:08:53
Pace10:24 /mi
2nd Half✓ Faster
Distance6.49 mi
Time58:23
Pace9:00 /mi
📊Negative Split: 15.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi06:54:2912:208:4912:20
8:49
-
2.13M
2.13 mi07:08:1926:1012:1713:50
18:57
+10:08
6.43M
6.43 mi07:57:201:15:1111:4249:01
11:24
-7:33
6.62M
6.62 mi07:51:021:08:5310:24
-34:-8
-45:32
10.65M
10.65 mi08:27:581:45:499:5636:56
9:10
+43:18
Finish
13.11 mi08:49:252:07:169:4221:27
8:43
-0:27

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

-35:-8 /mi

Average Pace

9:42 /mi

Slowest Pace

18:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:16

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:42 /mi

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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 mi06:54:2912:208:4912:20
8:49
#2058
2.13M
2.13 mi07:08:1926:1012:1713:50
18:57
#2427
6.43M
6.43 mi07:57:201:15:1111:4249:01
11:24
#2360
6.62M
6.62 mi07:51:021:08:5310:24
-34:-8
#2398
10.65M
10.65 mi08:27:581:45:499:5636:56
9:10
#2127
Finish
13.11 mi08:49:252:07:169:4221:27
8:43
#2031
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
1.40M1.40 mi1.40 mi20586511872058(Top 34%)651(Top 24%)187(Top 30%)
2.13M2.13 mi0.73 mi2427-369799-148222-352910(Top 48%)1025(Top 38%)284(Top 45%)
6.43M6.43 mi4.30 mi2360+67755+44214+82440(Top 40%)807(Top 30%)229(Top 36%)
6.62M6.62 mi0.19 mi2398-38769-14217-3---
10.65M10.65 mi4.03 mi2127+271672+97191+261854(Top 31%)553(Top 20%)154(Top 24%)
Finish13.11 mi2.46 mi2031+96644+28182+91806(Top 30%)551(Top 20%)151(Top 24%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 34%
~flat
+3ft-2ft

Overall

2058

Females

651

F25-29

188

1.40M→2.13M

1.4 - 2.1 mi

Top 48%
~flat
+3ft-1ft

Overall

2910

Females

1025

F25-29

289

2.13M→6.43M

2.1 - 6.4 mi

Top 40%
×17story building
+274ft-78ft

Overall

2440

Females

807

F25-29

229

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 31%
×21story building
+153ft-361ft

Overall

1854

Females

553

F25-29

154

10.65M→Finish

10.7 - 13.1 mi

Top 30%
×17story building
+244ft-114ft

Overall

1806

Females

551

F25-29

151

Passing Analysis

Category:
Athletes Passed
793*
Passed By
766
Net Change
+27
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#2058
1.40M → 2.13M53422-369#2058#2427
2.13M → 6.43M253*186+67#2427#2360
6.43M → 6.62M4886-38#2360#2398
6.62M → 10.65M299*28+271#2398#2127
10.65M → Finish140*44+96#2127#2031
TOTALS793*766+27

* 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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