Isabella Alvaro

hillsborough, CA

Bib: 17179 F 20

0:00
0:00
/ mi
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Overall
#0 / 7100
Gender (Female)
#0 / 3107
F20-29
#0 / 410
Race Day Weather
56°/46°F
light rain

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.81M
11:57/mi
21:37
→ flat
5.34M
11:46/mi
1:03:08
8074
6.15M
12:17/mi
1:13:05
126
10.54M
12:22/mi
2:07:22
230361
11.05M
17:33/mi
2:16:19
172
Finish· 13.11 mi
12:46/mi
2:42:37
97114
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:13:0511:53 /mi⚡ faster
2nd Half
1:29:3212:52 /mi+22.5%
Positive split — 22.5% 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
1.81M
21:3711:571.81 mi21:37
11:57
-
5.34M
1:03:0811:493.53 mi41:31
11:46
-0:11
6.15M
1:13:0511:530.81 mi9:57
12:17
+0:31
10.54M
2:07:2212:054.39 mi54:17
12:22
+0:05
11.05M
2:16:1912:200.51 mi8:57
17:33
+5:11
Finish(13.11 mi)
2:42:3712:242.06 mi26:18
12:46
-4:47
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

11:46 /mi

Average Pace

12:24 /mi

Slowest Pace

17:33 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:33:40

94% of race

Time at Slower Pace

8:57

6% of race

Average Pace: 12:24 /mi

Loading chart...
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. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
1.81M1.81 mi6516275739365162757393
5.34M3.53 mi6095+4212499+258361+3258532364346
6.15M0.81 mi6023+722461+38358+354822153328
10.54M4.39 mi5877+1462397+64352+657142307348
11.05M0.51 mi5873+42388+9354-255132219339
Finish(13.11 mi)2.06 mi5812+612371+1735455612327344

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 92%
~flat
+4ft-3ft

Overall

6516

Females

2757

F20-24

394

1.81M→5.34M

1.8 - 5.3 mi

Top 82%
×4story building
+80ft-74ft

Overall

5853

Females

2364

F20-24

347

5.34M→6.15M

5.3 - 6.2 mi

Top 77%
×10story building
+126ft-4ft

Overall

5482

Females

2153

F20-24

329

6.15M→10.54M

6.2 - 10.5 mi

Top 80%
×21story building
+230ft-361ft

Overall

5714

Females

2307

F20-24

349

10.54M→11.05M

10.5 - 11.1 mi

Top 78%
×14story building
+172ft-0ft

Overall

5513

Females

2219

F20-24

340

11.05M→Finish

11.1 - 13.1 mi

Top 78%
×7story building
+97ft-114ft

Overall

5561

Females

2327

F20-24

344

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#6516
1.81M5.34M
33454*+421
#6516 #6095
5.34M6.15M
2395+72
#6095 #6023
6.15M10.54M
80226*+146
#6023 #5877
10.54M11.05M
2933+4
#5877 #5873
11.05MFinish
40101*+61
#5873 #5812
TOTALS
205909*+704
#6516 #5812

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

Passing Visualized

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

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