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SF MARATHON 1ST HALF 2023

Ella Nelson

Menlo Park, CA

Bib: 16714 F 19

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Female)
#0 / 2732
Top 41%
F19 & Under
#0 / 65
Race Day Weather
60°/50°F
overcast clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.40M
9:02/mi
12:39
→ flat
11 ft elev
2.13M
18:17/mi
26:00
→ flat
13 ft elev
6.43M
12:43/mi
1:20:39
↑ 274↓ 780.9%
213 ft elev
6.62M
-31:-20/mi
1:14:53
↑ 161.6%
239 ft elev
10.65M
9:35/mi
1:53:31
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
9:51/mi
2:17:45
↑ 244↓ 1141.0%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:14:53
Pace11:19 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:02:52
Pace9:41 /mi
📊Negative Split: 16.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:06:5512:399:0212:39
9:02
-
2.13M
2.13 mi07:20:1626:0012:1213:21
18:17
+9:15
6.43M
6.43 mi08:14:551:20:3912:3354:39
12:43
-5:34
6.62M
6.62 mi08:09:091:14:5311:19
-31:-20
-44:03
10.65M
10.65 mi08:47:471:53:3110:4038:38
9:35
+40:55
Finish
13.11 mi09:12:012:17:4510:3024:14
9:51
+0:16

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

-32:-20 /mi

Average Pace

10:30 /mi

Slowest Pace

18:17 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:45

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:30 /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 mi07:06:5512:399:0212:39
9:02
#2449
2.13M
2.13 mi07:20:1626:0012:1213:21
18:17
#2335
6.43M
6.43 mi08:14:551:20:3912:3354:39
12:43
#3370
6.62M
6.62 mi08:09:091:14:5311:19
-31:-20
#3584
10.65M
10.65 mi08:47:471:53:3110:4038:38
9:35
#3160
Finish
13.11 mi09:12:012:17:4510:3024:14
9:51
#3126
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF19 & UnderSeg. OverallSeg. FemalesSeg. F19 & Under
1.40M1.40 mi1.40 mi2449815332449(Top 40%)815(Top 30%)33(Top 51%)
2.13M2.13 mi0.73 mi2335+114753+62332372(Top 39%)780(Top 29%)33(Top 51%)
6.43M6.43 mi4.30 mi3370-10351232-47947-143856(Top 64%)1469(Top 54%)51(Top 78%)
6.62M6.62 mi0.19 mi3584-2141346-11449-2---
10.65M10.65 mi4.03 mi3160+4241129+21744+52444(Top 40%)822(Top 30%)34(Top 52%)
Finish13.11 mi2.46 mi3126+341119+10443150(Top 52%)1173(Top 43%)41(Top 63%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 40%
~flat
+3ft-2ft

Overall

2449

Females

815

F15-19

32

1.40M→2.13M

1.4 - 2.1 mi

Top 39%
~flat
+3ft-1ft

Overall

2372

Females

780

F15-19

32

2.13M→6.43M

2.1 - 6.4 mi

Top 64%
×17story building
+274ft-78ft

Overall

3856

Females

1469

F15-19

48

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F15-19

-

6.62M→10.65M

6.6 - 10.7 mi

Top 40%
×21story building
+153ft-361ft

Overall

2444

Females

822

F15-19

32

10.65M→Finish

10.7 - 13.1 mi

Top 52%
×17story building
+244ft-114ft

Overall

3150

Females

1173

F15-19

39

Passing Analysis

Category:
Athletes Passed
830*
Passed By
1507
Net Change
-677
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#2449
1.40M → 2.13M232118+114#2449#2335
2.13M → 6.43M32*1067-1035#2335#3370
6.43M → 6.62M19233-214#3370#3584
6.62M → 10.65M445*21+424#3584#3160
10.65M → Finish102*68+34#3160#3126
TOTALS830*1507-677

* 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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