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SF MARATHON 1ST HALF 2026

Jessica Marencic

Tempe, AZ

Bib: 19205 F 24

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
F20-29
#0 / 353
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
12:00/mi
24:01
→ flat
4M
13:35/mi
51:10
↑ 67↓ 69
6M
11:59/mi
1:15:09
↑ 123
8M
13:29/mi
1:42:07
↑ 166↓ 53
9.6M
13:29/mi
2:03:42
↑ 68↓ 193
10M
28:07/mi
2:14:56
↓ 24
10.5M
6:16/mi
2:18:04
↓ 73
12M
19:01/mi
2:46:36
↑ 280
Finish· 13.11 mi
13:47/mi
3:01:53
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:15:0912:32 /mi⚡ faster
2nd Half
1:46:4415:01 /mi+42.0%
Positive split — 42.0% 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
2M
24:0112:002.00 mi24:01
12:00
-
4M
51:1012:482.00 mi27:09
13:35
+1:35
6M
1:15:0912:322.00 mi23:59
11:59
-1:36
8M
1:42:0712:462.00 mi26:58
13:29
+1:30
9.6M
2:03:4212:531.60 mi21:35
13:29
0:00
10M
2:14:5613:300.40 mi11:14
28:07
+14:38
10.5M
2:18:0413:090.50 mi3:08
6:16
-21:51
12M
2:46:3613:531.50 mi28:32
19:01
+12:45
Finish(13.11 mi)
3:01:5313:521.11 mi15:17
13:47
-5:14
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

6:16 /mi

Average Pace

13:52 /mi

Slowest Pace

28:07 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:08

2% of race

Time at Steady Pace

2:18:59

76% of race

Time at Slower Pace

39:46

22% of race

Average Pace: 13:52 /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
Featured Segment

Garmin Challenge

Top 92%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

14:22

Segment Time

15:58/mi

Pace

0.90 mi

Distance

Overall

6064

Women

2654

Division

335

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi5890248131758782547325
4M2.00 mi6196-3062669-188337-2063142752345
6M2.00 mi5914+2822479+190324+1350711977263
8M2.00 mi5908+62475+4323+157192362305
9.6M1.60 mi6097-1892599-124335-1263862818342
10M0.40 mi6134-372632-33336-161932731341
10.5M0.50 mi6132+22632338-256782404313
12M1.50 mi6124+82631+1339-158782547325
Finish(13.11 mi)1.11 mi6103+212622+933959052569331

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 89%
~flat
+5ft-3ft

Overall

5878

Females

2547

F20-24

325

2M→4M

2.0 - 4.0 mi

Top 96%
×4story building
+67ft-69ft

Overall

6314

Females

2752

F20-24

346

4M→6M

4.0 - 6.0 mi

Top 77%
×9story building
+123ft-9ft

Overall

5071

Females

1977

F20-24

264

6M→8M

6.0 - 8.0 mi

Top 87%
×12story building
+166ft-53ft

Overall

5719

Females

2362

F20-24

305

8M→9.6M

8.0 - 9.6 mi

Top 97%
×13story building
+68ft-193ft

Overall

6386

Females

2818

F20-24

342

9.6M→10M

9.6 - 10.0 mi

Top 94%
×2story building
+0ft-24ft

Overall

6193

Females

2731

F20-24

341

10M→10.5M

10.0 - 10.5 mi

Top 86%
×6story building
+1ft-73ft

Overall

5678

Females

2404

F20-24

313

10.5M→12M

10.5 - 12.0 mi

Top 89%
×21story building
+280ft-26ft

Overall

5878

Females

2547

F20-24

325

12M→Finish

12.0 - 13.1 mi

Top 90%
×7story building
+14ft-89ft

Overall

5905

Females

2569

F20-24

331

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#5890
2M → 4M
33428*-306
#5890 → #6196
4M → 6M
8290*+282
#6196 → #5914
6M → 8M
106112*+6
#5914 → #5908
8M → 9.6M
1956-189
#5908 → #6097
9.6M → 10M
5013-37
#6097 → #6134
10M → 10.5M
79+2
#6134 → #6132
10.5M → 12M
3139*+8
#6132 → #6124
12M → Finish
1132*+21
#6124 → #6103
TOTALS
742529*-213
#5890 → #6103

* 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

Race Place Events

Race Place Events