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SF MARATHON 1ST HALF 2025

Shreya Iyer

Folsom, CA

Bib: 17819 F 22

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
10 ft elev
1.81M
9:32/mi
17:15
→ flat
12 ft elev
5.34M
11:13/mi
56:49
↑ 80↓ 74
19 ft elev
6.15M
12:53/mi
1:07:15
↑ 1262.8%
149 ft elev
10.54M
13:13/mi
2:05:17
↑ 230↓ 3610.6%
20 ft elev
11.05M
20:23/mi
2:15:41
↑ 1726.4%
213 ft elev
Finish· 13.11 mi
15:50/mi
2:48:18
↑ 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
1:07:1510:56 /mi⚡ faster
2nd Half
1:41:0314:31 /mi+50.3%
Positive split — 50.3% 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
17:159:321.81 mi17:15
9:32
-
5.34M
56:4910:383.53 mi39:34
11:13
+1:41
6.15M
1:07:1510:560.81 mi10:26
12:53
+1:40
10.54M
2:05:1711:534.39 mi58:02
13:13
+0:20
11.05M
2:15:4112:170.51 mi10:24
20:23
+7:10
Finish(13.11 mi)
2:48:1812:502.06 mi32:37
15:50
-4:33
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:32 /mi

Average Pace

12:50 /mi

Slowest Pace

20:23 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

56:49

34% of race

Time at Steady Pace

1:08:28

41% of race

Time at Slower Pace

43:01

26% of race

Average Pace: 12:50 /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 mi29358841482935884148
5.34M3.53 mi4664-17291719-835267-11953012058314
6.15M0.81 mi4945-2811866-147295-2859362405355
10.54M4.39 mi5707-7622303-437341-4662722634375
11.05M0.51 mi5813-1062356-53350-967172892394
Finish(13.11 mi)2.06 mi6125-3122539-183369-1967592946403

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 41%
~flat
+4ft-3ft

Overall

2935

Females

884

F20-24

149

1.81M→5.34M

1.8 - 5.3 mi

Top 75%
×4story building
+80ft-74ft

Overall

5301

Females

2058

F20-24

315

5.34M→6.15M

5.3 - 6.2 mi

Top 84%
×10story building
+126ft-4ft

Overall

5936

Females

2405

F20-24

356

6.15M→10.54M

6.2 - 10.5 mi

Top 88%
×21story building
+230ft-361ft

Overall

6272

Females

2634

F20-24

376

10.54M→11.05M

10.5 - 11.1 mi

Top 95%
×14story building
+172ft-0ft

Overall

6717

Females

2892

F20-24

395

11.05M→Finish

11.1 - 13.1 mi

Top 95%
×7story building
+97ft-114ft

Overall

6759

Females

2946

F20-24

403

Passing Analysis

Category:
Passed
69*
Passed By
3259
Net Change
-3190
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#2935
1.81M → 5.34M13*1742-1729#2935#4664
5.34M → 6.15M11292-281#4664#4945
6.15M → 10.54M26*788-762#4945#5707
10.54M → 11.05M5111-106#5707#5813
11.05M → Finish14*326-312#5813#6125
TOTALS69*3259-3190

* 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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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

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