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SF MARATHON 1ST HALF 2023

Emily James

Bib: 13679•F•Age: 30

Mill Valley, CA

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Female)
#0 / 2732
Division (F30-34)
#0 / 557
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
12:59/mi
18:11
→ flat
2.13M
21:30/mi
33:53
→ flat
6.43M
12:25/mi
1:27:16
↑ 274↓ 780.9%
6.62M
-38:-47/mi
1:20:05
↑ 161.6%
10.65M
11:46/mi
2:07:32
↑ 153↓ 3611.0%
Finish· 13.11 mi
12:26/mi
2:38:07
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:20:05
Pace12:06 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:18:02
Pace12:02 /mi
📊Negative Split: 2.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:06:2818:1112:5918:11
12:59
-
2.13M
2.13 mi07:22:1033:5315:5415:42
21:30
+8:31
6.43M
6.43 mi08:15:331:27:1613:3453:23
12:25
-9:05
6.62M
6.62 mi08:08:221:20:0512:06
-38:-47
-51:12
10.65M
10.65 mi08:55:492:07:3211:5847:27
11:46
+50:33
Finish
13.11 mi09:26:242:38:0712:0430:35
12:26
+0:40

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

-39:-47 /mi

Average Pace

12:04 /mi

Slowest Pace

21:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:07

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 12:04 /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 mi07:06:2818:1112:5918:11
12:59
#5693
2.13M
2.13 mi07:22:1033:5315:5415:42
21:30
#5510
6.43M
6.43 mi08:15:331:27:1613:3453:23
12:25
#4385
6.62M
6.62 mi08:08:221:20:0512:06
-38:-47
#4481
10.65M
10.65 mi08:55:492:07:3211:5847:27
11:46
#4617
Finish
13.11 mi09:26:242:38:0712:0430:35
12:26
#4767
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
1.40M1.40 mi1.40 mi569324955155693(Top 94%)2495(Top 91%)515(Top 92%)
2.13M2.13 mi0.73 mi5510+1832364+131492+234775(Top 79%)1960(Top 72%)395(Top 71%)
6.43M6.43 mi4.30 mi4385+11251721+643358+1343568(Top 59%)1334(Top 49%)277(Top 50%)
6.62M6.62 mi0.19 mi4481-961775-54372-14---
10.65M10.65 mi4.03 mi4617-1361863-88388-164824(Top 79%)1993(Top 73%)406(Top 73%)
Finish13.11 mi2.46 mi4767-1501947-84408-205163(Top 85%)2224(Top 81%)461(Top 83%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 94%
~flat
+3ft-2ft

Overall

5693

Females

2495

F30-34

517

1.40M→2.13M

1.4 - 2.1 mi

Top 79%
~flat
+3ft-1ft

Overall

4775

Females

1960

F30-34

395

2.13M→6.43M

2.1 - 6.4 mi

Top 59%
×17story building
+274ft-78ft

Overall

3568

Females

1334

F30-34

277

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F30-34

-

6.62M→10.65M

6.6 - 10.7 mi

Top 79%
×21story building
+153ft-361ft

Overall

4824

Females

1993

F30-34

406

10.65M→Finish

10.7 - 13.1 mi

Top 85%
×17story building
+244ft-114ft

Overall

5163

Females

2224

F30-34

461

Passing Analysis

Category:
Athletes Passed
1594*
Passed By
668
Net Change
+926
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#5693
1.40M → 2.13M27592+183#5693#5510
2.13M → 6.43M1163*38+1125#5510#4385
6.43M → 6.62M49145-96#4385#4481
6.62M → 10.65M79*215-136#4481#4617
10.65M → Finish28*178-150#4617#4767
TOTALS1594*668+926

* 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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