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SF MARATHON 1ST HALF 2023

Jillian Szacki

Toronto

Bib: 12872 F 31

0:00
0:00
/ mi
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Overall
#0 / 6072
Top 36%
Gender (Female)
#0 / 2732
Top 25%
Division (F30-34)
#0 / 557
Top 26%
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
9:42/mi
13:35
→ flat
11 ft elev
2.13M
18:53/mi
27:22
→ flat
13 ft elev
6.43M
11:16/mi
1:15:47
↑ 274↓ 780.9%
213 ft elev
6.62M
-33:-10/mi
1:09:40
↑ 161.6%
239 ft elev
10.65M
9:19/mi
1:47:12
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
8:41/mi
2:08:34
↑ 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
1:09:4010:31 /mi+15.5%
2nd Half
58:549:05 /mi✓ faster
Negative split — 15.5% 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
13:359:421.40 mi13:35
9:42
-
2.13M
27:2212:510.73 mi13:47
18:53
+9:11
6.43M
1:15:4711:474.30 mi48:25
11:16
-7:37
6.62M
1:09:4010:310.19 mi
-33:-10
-44:26
10.65M
1:47:1210:044.03 mi37:32
9:19
+42:29
Finish(13.11 mi)
2:08:349:482.46 mi21:22
8:41
-0:38
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-34:-10 /mi

Average Pace

9:48 /mi

Slowest Pace

18:53 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:08:34

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:48 /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. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
1.40M1.40 mi3577132528135771325281
2.13M0.73 mi3124+4531126+199235+4628741006209
6.43M4.30 mi2468+656809+317177+582258733157
6.62M0.19 mi2575-107855-46186-9---
10.65M4.03 mi2318+257757+98162+242061649148
Finish(13.11 mi)2.46 mi2169+149692+65147+151767539123

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 59%
~flat
+3ft-2ft

Overall

3577

Females

1325

F30-34

281

1.40M→2.13M

1.4 - 2.1 mi

Top 47%
~flat
+3ft-1ft

Overall

2874

Females

1006

F30-34

209

2.13M→6.43M

2.1 - 6.4 mi

Top 37%
×17story building
+274ft-78ft

Overall

2258

Females

733

F30-34

157

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 34%
×21story building
+153ft-361ft

Overall

2061

Females

649

F30-34

148

10.65M→Finish

10.7 - 13.1 mi

Top 29%
×17story building
+244ft-114ft

Overall

1767

Females

539

F30-34

123

Passing Analysis

Category:
Passed
1739*
Passed By
331
Net Change
+1408
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#3577
1.40M → 2.13M50754+453#3577#3124
2.13M → 6.43M716*60+656#3124#2468
6.43M → 6.62M33140-107#2468#2575
6.62M → 10.65M297*40+257#2575#2318
10.65M → Finish186*37+149#2318#2169
TOTALS1739*331+1408

* 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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