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SF MARATHON 1ST HALF 2025

Alex Vieane

SAN MATEO, CA

Bib: 17553 F 34

0:00
0:00
/ mi
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Overall
#0 / 7100
Gender (Female)
#0 / 3107
Division (F30-34)
#0 / 691
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
11:27/mi
20:43
→ flat
5.34M
11:57/mi
1:02:54
↑ 80↓ 74
6.15M
14:37/mi
1:14:44
↑ 126
10.54M
14:36/mi
2:18:49
↑ 230↓ 361
11.05M
19:01/mi
2:28:31
↑ 172
Finish· 13.11 mi
13:55/mi
2:57:10
↑ 97↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:14:4412:09 /mi⚡ faster
2nd Half
1:42:2614:43 /mi+37.1%
Positive split — 37.1% 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
20:4311:271.81 mi20:43
11:27
-
5.34M
1:02:5411:473.53 mi42:11
11:57
+0:30
6.15M
1:14:4412:090.81 mi11:50
14:37
+2:40
10.54M
2:18:4913:104.39 mi1:04:05
14:36
-0:01
11.05M
2:28:3113:260.51 mi9:42
19:01
+4:25
Finish(13.11 mi)
2:57:1013:312.06 mi28:39
13:55
-5:06
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

11:27 /mi

Average Pace

13:31 /mi

Slowest Pace

19:01 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:02:54

36% of race

Time at Steady Pace

1:44:34

59% of race

Time at Slower Pace

9:42

5% of race

Average Pace: 13:31 /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
1.81M1.81 mi6169255457661692554576
5.34M3.53 mi6062+1072479+75562+1460232460561
6.15M0.81 mi6235-1732582-103581-1967332893654
10.54M4.39 mi6574-3392784-202642-6167872935669
11.05M0.51 mi6572+22781+3638+462962644605
Finish(13.11 mi)2.06 mi6519+532758+23637+162092663606

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 87%
~flat
+4ft-3ft

Overall

6169

Females

2554

F30-34

577

1.81M→5.34M

1.8 - 5.3 mi

Top 85%
×4story building
+80ft-74ft

Overall

6023

Females

2460

F30-34

562

5.34M→6.15M

5.3 - 6.2 mi

Top 95%
×10story building
+126ft-4ft

Overall

6733

Females

2893

F30-34

655

6.15M→10.54M

6.2 - 10.5 mi

Top 96%
×21story building
+230ft-361ft

Overall

6787

Females

2935

F30-34

670

10.54M→11.05M

10.5 - 11.1 mi

Top 89%
×14story building
+172ft-0ft

Overall

6296

Females

2644

F30-34

606

11.05M→Finish

11.1 - 13.1 mi

Top 87%
×7story building
+97ft-114ft

Overall

6209

Females

2663

F30-34

606

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#6169
1.81M → 5.34M
124231*+107
#6169 → #6062
5.34M → 6.15M
1807-173
#6062 → #6235
6.15M → 10.54M
36122*-339
#6235 → #6574
10.54M → 11.05M
1315+2
#6574 → #6572
11.05M → Finish
1265*+53
#6572 → #6519
TOTALS
690340*-350
#6169 → #6519

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

Passing Visualized

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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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