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SF MARATHON 1ST HALF 2026

Anna Li

Santa Clara, CA

Bib: 17931 F 21

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
12:24/mi
24:49
→ flat
4M
11:59/mi
48:47
↑ 67↓ 69
6M
12:15/mi
1:13:18
↑ 123
8M
12:24/mi
1:38:07
↑ 166↓ 53
9.6M
12:24/mi
1:57:58
↑ 68↓ 193
10.26M
14:33/mi
2:07:34
↓ 114
10.5M
12:43/mi
2:10:37
→ flat
12M
17:54/mi
2:37:28
↑ 280
Finish· 13.11 mi
13:40/mi
2:52:38
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:13:1812:13 /mi⚡ faster
2nd Half
1:39:2013:58 /mi+35.5%
Positive split — 35.5% 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
2M
24:4912:242.00 mi24:49
12:24
-
4M
48:4712:122.00 mi23:58
11:59
-0:25
6M
1:13:1812:132.00 mi24:31
12:15
+0:16
8M
1:38:0712:162.00 mi24:49
12:24
+0:09
9.6M
1:57:5812:171.60 mi19:51
12:24
0:00
10.26M
2:07:3412:260.66 mi9:36
14:33
+2:09
10.5M
2:10:3712:260.24 mi3:03
12:43
-1:50
12M
2:37:2813:071.50 mi26:51
17:54
+5:11
Finish(13.11 mi)
2:52:3813:101.11 mi15:10
13:40
-4:14
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

11:59 /mi

Average Pace

13:10 /mi

Slowest Pace

17:54 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:01:01

70% of race

Time at Slower Pace

51:37

30% of race

Average Pace: 13:10 /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 81%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:39

Segment Time

14:04/mi

Pace

0.90 mi

Distance

Overall

5339

Women

2221

Division

291

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi6189266633653832265291
4M2.00 mi5831+3582431+235318+1854252196292
6M2.00 mi5653+1782325+106310+853242134282
8M2.00 mi5490+1632212+113289+2149561889241
9.6M1.60 mi5663-1732326-114302-1360502618324
10.26M0.66 mi5659+42330-4301+153652242290
10.5M0.24 mi5656+32330303-255452330306
12M1.50 mi5671-152348-1830353832265291
Finish(13.11 mi)1.11 mi5706-352381-33305-258622548328

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 82%
~flat
+5ft-3ft

Overall

5383

Females

2265

F20-24

291

2M→4M

2.0 - 4.0 mi

Top 83%
×4story building
+67ft-69ft

Overall

5425

Females

2196

F20-24

293

4M→6M

4.0 - 6.0 mi

Top 81%
×9story building
+123ft-9ft

Overall

5324

Females

2134

F20-24

283

6M→8M

6.0 - 8.0 mi

Top 75%
×12story building
+166ft-53ft

Overall

4956

Females

1889

F20-24

241

8M→9.6M

8.0 - 9.6 mi

Top 92%
×13story building
+68ft-193ft

Overall

6050

Females

2618

F20-24

324

9.6M→10.26M

9.6 - 10.3 mi

Top 82%
×9story building
+0ft-114ft

Overall

5365

Females

2242

F20-24

290

10.26M→10.5M

10.3 - 10.5 mi

Top 84%
~flat
+1ft-0ft

Overall

5545

Females

2330

F20-24

306

10.5M→12M

10.5 - 12.0 mi

Top 82%
×21story building
+280ft-26ft

Overall

5383

Females

2265

F20-24

291

12M→Finish

12.0 - 13.1 mi

Top 89%
×7story building
+14ft-89ft

Overall

5862

Females

2548

F20-24

328

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#6189
2M → 4M
12370*+358
#6189 → #5831
4M → 6M
30208*+178
#5831 → #5653
6M → 8M
52215*+163
#5653 → #5490
8M → 9.6M
20431-173
#5490 → #5663
9.6M → 10.26M
3135+4
#5663 → #5659
10.26M → 10.5M
811+3
#5659 → #5656
10.5M → 12M
7156*-15
#5656 → #5671
12M → Finish
6631*-35
#5671 → #5706
TOTALS
474957*+483
#6189 → #5706

* 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

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Race Place Events