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SF MARATHON 1ST HALF 2023

Laura Bellamy

Vacaville, CA

Bib: 10871 F 38

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Female)
#0 / 2732
Division (F35-39)
#0 / 359
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
10:29/mi
14:41
→ flat
11 ft elev
2.13M
23:50/mi
32:05
→ flat
13 ft elev
6.43M
18:11/mi
1:50:15
↑ 274↓ 780.9%
213 ft elev
6.62M
-54:-7/mi
1:40:09
↑ 161.6%
239 ft elev
10.65M
16:53/mi
2:48:11
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
14:04/mi
3:22:47
↑ 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
1:40:0915:08 /mi⚡ faster
2nd Half
1:42:3815:49 /mi+2.5%
Positive split — 2.5% slower 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
14:4110:291.40 mi14:41
10:29
-
2.13M
32:0515:040.73 mi17:24
23:50
+13:21
6.43M
1:50:1517:094.30 mi1:18:10
18:11
-5:39
6.62M
1:40:0915:080.19 mi
-54:-7
-72:18
10.65M
2:48:1115:474.03 mi1:08:02
16:53
+71:00
Finish(13.11 mi)
3:22:4715:282.46 mi34:36
14:04
-2:49
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-55:-7 /mi

Average Pace

15:28 /mi

Slowest Pace

23:50 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:22:47

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 15:28 /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

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
1.40M1.40 mi1.40 mi4689190822946891908229
2.13M2.13 mi0.73 mi5176-4872178-270266-3755612404309
6.43M6.43 mi4.30 mi5903-7272608-430339-7359932671353
6.62M6.62 mi0.19 mi5882+212602+6339---
10.65M10.65 mi4.03 mi6020-1382691-89354-1560602722358
Finish13.11 mi2.46 mi5977+432673+18352+257142521336

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 77%
~flat
+3ft-2ft

Overall

4689

Females

1908

F35-39

229

1.40M→2.13M

1.4 - 2.1 mi

Top 92%
~flat
+3ft-1ft

Overall

5561

Females

2404

F35-39

310

2.13M→6.43M

2.1 - 6.4 mi

Top 99%
×17story building
+274ft-78ft

Overall

5993

Females

2671

F35-39

354

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F35-39

-

6.62M→10.65M

6.6 - 10.7 mi

Top 100%
×21story building
+153ft-361ft

Overall

6060

Females

2722

F35-39

359

10.65M→Finish

10.7 - 13.1 mi

Top 94%
×17story building
+244ft-114ft

Overall

5714

Females

2521

F35-39

336

Passing Analysis

Category:
Athletes Passed
134*
Passed By
1422
Net Change
-1288
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#4689
1.40M → 2.13M44531-487#4689#5176
2.13M → 6.43M13*740-727#5176#5903
6.43M → 6.62M243+21#5903#5882
6.62M → 10.65M8*146-138#5882#6020
10.65M → Finish45*2+43#6020#5977
TOTALS134*1422-1288

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

Passing Charts

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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

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