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SF MARATHON 1ST HALF 2023

Jennifer North

Santa Rosa, CA

Bib: 13121 F 47

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Gender (Female)
#0 / 2732
Masters (Masters Women)
#0 / 746
Division (F45-49)
#0 / 175
Race Day Weather
60°/50°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.40M
10:43/mi
15:00
→ flat
2.13M
21:44/mi
30:52
→ flat
6.43M
16:54/mi
1:43:30
↑ 274↓ 78
6.62M
-47:-48/mi
1:34:36
↑ 16
10.65M
12:08/mi
2:23:30
↑ 153↓ 361
Finish· 13.11 mi
13:12/mi
2:55:57
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:34:3614:17 /mi+14.0%
2nd Half
1:21:2112:32 /mi✓ faster
Negative split — 14.0% faster in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
1.40M
15:0010:431.40 mi15:00
10:43
-
2.13M
30:5214:290.73 mi15:52
21:44
+11:01
6.43M
1:43:3016:064.30 mi1:12:38
16:54
-4:50
6.62M
1:34:3614:170.19 mi
-47:-48
-64:42
10.65M
2:23:3013:284.03 mi48:54
12:08
+59:56
Finish(13.11 mi)
2:55:5713:252.46 mi32:27
13:12
+1:04
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-48:-48 /mi

Average Pace

13:25 /mi

Slowest Pace

21:44 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:55:57

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 13:25 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
1.40M1.40 mi4908202611449082026114
2.13M0.73 mi4810+981969+57102+1248872029103
6.43M4.30 mi5700-8902496-527152-5058622593158
6.62M0.19 mi57002499-3154-2---
10.65M4.03 mi5528+1722399+100142+1250692144120
Finish(13.11 mi)2.46 mi5536-82406-714254832395142

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 81%
~flat
+3ft-2ft

Overall

4908

Females

2026

F45-49

114

1.40M→2.13M

1.4 - 2.1 mi

Top 80%
~flat
+3ft-1ft

Overall

4887

Females

2029

F45-49

103

2.13M→6.43M

2.1 - 6.4 mi

Top 97%
×17story building
+274ft-78ft

Overall

5862

Females

2593

F45-49

158

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F45-49

-

6.62M→10.65M

6.6 - 10.7 mi

Top 83%
×21story building
+153ft-361ft

Overall

5069

Females

2144

F45-49

120

10.65M→Finish

10.7 - 13.1 mi

Top 90%
×17story building
+244ft-114ft

Overall

5483

Females

2395

F45-49

142

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#4908
1.40M → 2.13M
137235+98
#4908 → #4810
2.13M → 6.43M
90818*-890
#4810 → #5700
6.43M → 6.62M
27270
#5700 → #5700
6.62M → 10.65M
24196*+172
#5700 → #5528
10.65M → Finish
4638*-8
#5528 → #5536
TOTALS
1142514*-628
#4908 → #5536

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Visualized

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Passing Circle

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Position Flow

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Race Lanes

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