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SF MARATHON 1ST HALF 2025

Isabella Marchini

Phoenixville, PA

Bib: 11992 F 26

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 3%
Gender (Female)
#0 / 3107
Top 0.7%
Division (F25-29)
#0 / 761
Top 0.8%
Race Day Weather
56°/46°F
light rain

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.81M
7:45/mi
14:02
→ flat
12 ft elev
5.34M
7:30/mi
40:31
↑ 80↓ 74
19 ft elev
6.15M
7:25/mi
46:31
↑ 1262.8%
149 ft elev
10.54M
7:37/mi
1:19:56
↑ 230↓ 3610.6%
20 ft elev
11.05M
9:17/mi
1:24:40
↑ 1726.4%
213 ft elev
Finish· 13.11 mi
7:49/mi
1:40:46
↑ 97↓ 1140.2%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
46:317:34 /mi⚡ faster
2nd Half
54:157:48 /mi+16.6%
Positive split — 16.6% 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
1.81M
14:027:451.81 mi14:02
7:45
-
5.34M
40:317:353.53 mi26:29
7:30
-0:15
6.15M
46:317:340.81 mi6:00
7:25
-0:05
10.54M
1:19:567:354.39 mi33:25
7:37
+0:12
11.05M
1:24:407:400.51 mi4:44
9:17
+1:40
Finish(13.11 mi)
1:40:467:412.06 mi16:06
7:49
-1:28
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:25 /mi

Average Pace

7:41 /mi

Slowest Pace

9:17 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

6:00

6% of race

Time at Steady Pace

1:30:02

89% of race

Time at Slower Pace

4:44

5% of race

Average Pace: 7:41 /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. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
1.81M1.81 mi39853143985314
5.34M3.53 mi280+11832+216+8251306
6.15M0.81 mi259+2130+2612193
10.54M4.39 mi249+1029+17-1259307
11.05M0.51 mi228+2125+45+211594
Finish(13.11 mi)2.06 mi223+522+36-1222204

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 6%
~flat
+4ft-3ft

Overall

398

Females

53

F25-29

14

1.81M→5.34M

1.8 - 5.3 mi

Top 4%
×4story building
+80ft-74ft

Overall

251

Females

30

F25-29

6

5.34M→6.15M

5.3 - 6.2 mi

Top 2%
×10story building
+126ft-4ft

Overall

121

Females

9

F25-29

3

6.15M→10.54M

6.2 - 10.5 mi

Top 4%
×21story building
+230ft-361ft

Overall

259

Females

30

F25-29

7

10.54M→11.05M

10.5 - 11.1 mi

Top 2%
×14story building
+172ft-0ft

Overall

115

Females

9

F25-29

4

11.05M→Finish

11.1 - 13.1 mi

Top 3%
×7story building
+97ft-114ft

Overall

222

Females

20

F25-29

4

Passing Analysis

Category:
Passed
207*
Passed By
32
Net Change
+175
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#398
1.81M → 5.34M1213+118#398#280
5.34M → 6.15M210+21#280#259
6.15M → 10.54M3121+10#259#249
10.54M → 11.05M221+21#249#228
11.05M → Finish12*7+5#228#223
TOTALS207*32+175

* 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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