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SF MARATHON 1ST HALF 2025

Jessica Alesna

San Mateo, CA

Bib: 14305 F 36

0:00
0:00
/ mi
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Overall
#0 / 7100
Gender (Female)
#0 / 3107
Division (F35-39)
#0 / 389
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
11:02/mi
19:59
→ flat
12 ft elev
5.34M
11:08/mi
59:18
↑ 80↓ 74
19 ft elev
6.15M
12:31/mi
1:09:26
↑ 1262.8%
149 ft elev
10.54M
11:26/mi
1:59:38
↑ 230↓ 3610.6%
20 ft elev
11.05M
17:31/mi
2:08:34
↑ 1726.4%
213 ft elev
Finish· 13.11 mi
11:15/mi
2:31:44
↑ 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
1:09:2611:17 /mi⚡ faster
2nd Half
1:22:1811:50 /mi+18.5%
Positive split — 18.5% 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
19:5911:021.81 mi19:59
11:02
-
5.34M
59:1811:063.53 mi39:19
11:08
+0:06
6.15M
1:09:2611:170.81 mi10:08
12:31
+1:23
10.54M
1:59:3811:214.39 mi50:12
11:26
-1:05
11.05M
2:08:3411:380.51 mi8:56
17:31
+6:05
Finish(13.11 mi)
2:31:4411:342.06 mi23:10
11:15
-6:16
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

11:02 /mi

Average Pace

11:34 /mi

Slowest Pace

17:31 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:22:48

94% of race

Time at Slower Pace

8:56

6% of race

Average Pace: 11:34 /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. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
1.81M1.81 mi5765230728157652307281
5.34M3.53 mi5352+4132080+227255+2652002006253
6.15M0.81 mi5415-632110-30259-456412239278
10.54M4.39 mi5122+2931976+134245+1448011827229
11.05M0.51 mi5168-461996-20244+154892208271
Finish(13.11 mi)2.06 mi4965+2031907+89231+1341511565191

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 81%
~flat
+4ft-3ft

Overall

5765

Females

2307

F35-39

281

1.81M→5.34M

1.8 - 5.3 mi

Top 73%
×4story building
+80ft-74ft

Overall

5200

Females

2006

F35-39

253

5.34M→6.15M

5.3 - 6.2 mi

Top 79%
×10story building
+126ft-4ft

Overall

5641

Females

2239

F35-39

278

6.15M→10.54M

6.2 - 10.5 mi

Top 68%
×21story building
+230ft-361ft

Overall

4801

Females

1827

F35-39

229

10.54M→11.05M

10.5 - 11.1 mi

Top 77%
×14story building
+172ft-0ft

Overall

5489

Females

2208

F35-39

271

11.05M→Finish

11.1 - 13.1 mi

Top 58%
×7story building
+97ft-114ft

Overall

4151

Females

1565

F35-39

191

Passing Analysis

Category:
Athletes Passed
1079*
Passed By
279
Net Change
+800
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#5765
1.81M → 5.34M487*74+413#5765#5352
5.34M → 6.15M2487-63#5352#5415
6.15M → 10.54M337*44+293#5415#5122
10.54M → 11.05M1965-46#5122#5168
11.05M → Finish212*9+203#5168#4965
TOTALS1079*279+800

* 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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