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SF MARATHON 1ST HALF 2023

Erin Heft

Sacramento, CA

Bib: 9810 F 31

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.40M
11:34/mi
16:12
→ flat
11 ft elev
2.13M
23:40/mi
33:29
→ flat
13 ft elev
6.43M
14:30/mi
1:35:50
↑ 274↓ 780.9%
213 ft elev
6.62M
-40:-16/mi
1:28:22
↑ 161.6%
239 ft elev
10.65M
12:15/mi
2:17:45
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
11:53/mi
2:46:57
↑ 244↓ 1141.0%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:28:2213:21 /mi+11.1%
2nd Half
1:18:3512:07 /mi✓ faster
Negative split — 11.1% faster in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi06:46:1616:1211:3416:12
11:34
-
2.13M
2.13 mi07:03:3333:2915:4317:17
23:40
+12:06
6.43M
6.43 mi08:05:541:35:5014:541:02:21
14:30
-9:10
6.62M
6.62 mi07:58:261:28:2213:21
-40:-16
-54:46
10.65M
10.65 mi08:47:492:17:4512:5649:23
12:15
+52:31
Finish
13.11 mi09:17:012:46:5712:4429:12
11:53
-0:22

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:-16 /mi

Average Pace

12:44 /mi

Slowest Pace

23:40 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:46:57

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 12:44 /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.

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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 mi06:46:1616:1211:3416:12
11:34
#5399
2.13M
2.13 mi07:03:3333:2915:4317:17
23:40
#5438
6.43M
6.43 mi08:05:541:35:5014:541:02:21
14:30
#5295
6.62M
6.62 mi07:58:261:28:2213:21
-40:-16
#5353
10.65M
10.65 mi08:47:492:17:4512:5649:23
12:15
#5289
Finish
13.11 mi09:17:012:46:5712:4429:12
11:53
#5201
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
1.40M1.40 mi1.40 mi5399231448253992314482
2.13M2.13 mi0.73 mi5438-392322-8481+155352392497
6.43M6.43 mi4.30 mi5295+1432238+84465+1651872189455
6.62M6.62 mi0.19 mi5353-582280-42472-7---
10.65M10.65 mi4.03 mi5289+642253+27466+651412194452
Finish13.11 mi2.46 mi5201+882216+37453+1348362054428

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 89%
~flat
+3ft-2ft

Overall

5399

Females

2314

F30-34

484

1.40M→2.13M

1.4 - 2.1 mi

Top 91%
~flat
+3ft-1ft

Overall

5535

Females

2392

F30-34

497

2.13M→6.43M

2.1 - 6.4 mi

Top 85%
×17story building
+274ft-78ft

Overall

5187

Females

2189

F30-34

455

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 85%
×21story building
+153ft-361ft

Overall

5141

Females

2194

F30-34

452

10.65M→Finish

10.7 - 13.1 mi

Top 80%
×17story building
+244ft-114ft

Overall

4836

Females

2054

F30-34

428

Passing Analysis

Category:
Athletes Passed
700*
Passed By
502
Net Change
+198
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#5399
1.40M → 2.13M121160-39#5399#5438
2.13M → 6.43M300*157+143#5438#5295
6.43M → 6.62M3997-58#5295#5353
6.62M → 10.65M128*64+64#5353#5289
10.65M → Finish112*24+88#5289#5201
TOTALS700*502+198

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

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Public Race Data

The San Francisco Marathon

The San Francisco Marathon

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