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SF MARATHON 1ST HALF 2025

Anna Ivko

Nampa, ID

Bib: 18102 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
10:10/mi
18:24
→ flat
5.34M
13:28/mi
1:05:58
↑ 80↓ 74
6.15M
12:53/mi
1:16:24
↑ 126
10.54M
14:14/mi
2:18:55
↑ 230↓ 361
11.05M
18:51/mi
2:28:32
↑ 172
Finish· 13.11 mi
14:12/mi
2:57:46
↑ 97↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:16:2412:25 /mi⚡ faster
2nd Half
1:41:2214:34 /mi+32.7%
Positive split — 32.7% 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
18:2410:101.81 mi18:24
10:10
-
5.34M
1:05:5812:213.53 mi47:34
13:28
+3:18
6.15M
1:16:2412:250.81 mi10:26
12:53
-0:35
10.54M
2:18:5513:114.39 mi1:02:31
14:14
+1:21
11.05M
2:28:3213:270.51 mi9:37
18:51
+4:37
Finish(13.11 mi)
2:57:4613:342.06 mi29:14
14:12
-4:39
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:10 /mi

Average Pace

13:34 /mi

Slowest Pace

18:51 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

28:50

16% of race

Time at Steady Pace

2:19:19

78% of race

Time at Slower Pace

9:37

5% of race

Average Pace: 13:34 /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. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
1.81M1.81 mi4251151324042511513240
5.34M3.53 mi6448-21972705-1192383-14367922906401
6.15M0.81 mi6394+542673+32381+259382406356
10.54M4.39 mi6578-1842786-113394-1367022884395
11.05M0.51 mi6575+32783+3393+162202601375
Finish(13.11 mi)2.06 mi6536+392767+16392+163342718389

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 60%
~flat
+4ft-3ft

Overall

4251

Females

1513

F20-24

241

1.81M→5.34M

1.8 - 5.3 mi

Top 96%
×4story building
+80ft-74ft

Overall

6792

Females

2906

F20-24

402

5.34M→6.15M

5.3 - 6.2 mi

Top 84%
×10story building
+126ft-4ft

Overall

5938

Females

2406

F20-24

357

6.15M→10.54M

6.2 - 10.5 mi

Top 94%
×21story building
+230ft-361ft

Overall

6702

Females

2884

F20-24

396

10.54M→11.05M

10.5 - 11.1 mi

Top 88%
×14story building
+172ft-0ft

Overall

6220

Females

2601

F20-24

376

11.05M→Finish

11.1 - 13.1 mi

Top 89%
×7story building
+97ft-114ft

Overall

6334

Females

2718

F20-24

389

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#4251
1.81M → 5.34M
22014*-2197
#4251 → #6448
5.34M → 6.15M
1165+54
#6448 → #6394
6.15M → 10.54M
21733*-184
#6394 → #6578
10.54M → 11.05M
1114+3
#6578 → #6575
11.05M → Finish
1655*+39
#6575 → #6536
TOTALS
2456171*-2285
#4251 → #6536

* 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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