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SF MARATHON 1ST HALF 2026

Donna Li

Chicago, IL

Bib: 18981 F 28

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F25-29)
#0 / 674
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
2M
12:59/mi
25:58
→ flat
12 ft elev
4M
12:54/mi
51:45
↑ 67↓ 69
10 ft elev
6M
12:48/mi
1:17:22
↑ 1231.1%
126 ft elev
8M
11:33/mi
1:40:29
↑ 166↓ 531.1%
246 ft elev
9.6M
11:33/mi
1:58:58
↑ 68↓ 1931.5%
126 ft elev
10M
25:02/mi
2:08:58
↓ 241.1%
90 ft elev
10.5M
5:40/mi
2:11:48
↓ 732.7%
18 ft elev
12M
17:18/mi
2:37:45
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
11:25/mi
2:50:25
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:17:2212:54 /mi⚡ faster
2nd Half
1:33:0313:05 /mi+20.3%
Positive split — 20.3% 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
2M
25:5812:592.00 mi25:58
12:59
-
4M
51:4512:562.00 mi25:47
12:54
-0:05
6M
1:17:2212:542.00 mi25:37
12:48
-0:06
8M
1:40:2912:342.00 mi23:07
11:33
-1:15
9.6M
1:58:5812:241.60 mi18:29
11:33
0:00
10M
2:08:5812:540.40 mi10:00
25:02
+13:29
10.5M
2:11:4812:330.50 mi2:50
5:40
-19:22
12M
2:37:4513:091.50 mi25:57
17:18
+11:38
Finish(13.11 mi)
2:50:2513:001.11 mi12:40
11:25
-5:53
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

5:40 /mi

Average Pace

13:00 /mi

Slowest Pace

25:02 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:50

2% of race

Time at Steady Pace

2:11:38

77% of race

Time at Slower Pace

35:57

21% of race

Average Pace: 13:00 /mi

Loading chart...
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 83%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:50

Segment Time

14:16/mi

Pace

0.90 mi

Distance

Overall

5430

Women

2278

Division

546

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi6410280765350422082507
4M2.00 mi6260+1502710+97633+2060662593615
6M2.00 mi6133+1272615+95618+1557212368576
8M2.00 mi5744+3892371+244570+4841261462357
9.6M1.60 mi5745-12381-10569+155102333558
10M0.40 mi5776-312411-30575-656272403563
10.5M0.50 mi5746+302391+20571+448151897473
12M1.50 mi5684+622354+37568+350422082507
Finish(13.11 mi)1.11 mi5565+1192301+53555+1344671770441

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 77%
~flat
+5ft-3ft

Overall

5042

Females

2082

F25-29

507

2M→4M

2.0 - 4.0 mi

Top 92%
×4story building
+67ft-69ft

Overall

6066

Females

2593

F25-29

617

4M→6M

4.0 - 6.0 mi

Top 87%
×9story building
+123ft-9ft

Overall

5721

Females

2368

F25-29

576

6M→8M

6.0 - 8.0 mi

Top 63%
×12story building
+166ft-53ft

Overall

4126

Females

1462

F25-29

357

8M→9.6M

8.0 - 9.6 mi

Top 84%
×13story building
+68ft-193ft

Overall

5510

Females

2333

F25-29

558

9.6M→10M

9.6 - 10.0 mi

Top 86%
×2story building
+0ft-24ft

Overall

5627

Females

2403

F25-29

564

10M→10.5M

10.0 - 10.5 mi

Top 73%
×6story building
+1ft-73ft

Overall

4815

Females

1897

F25-29

473

10.5M→12M

10.5 - 12.0 mi

Top 77%
×21story building
+280ft-26ft

Overall

5042

Females

2082

F25-29

507

12M→Finish

12.0 - 13.1 mi

Top 68%
×7story building
+14ft-89ft

Overall

4467

Females

1770

F25-29

441

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#6410
2M → 4M
18168*+150
#6410 → #6260
4M → 6M
12139*+127
#6260 → #6133
6M → 8M
1390*+389
#6133 → #5744
8M → 9.6M
111110-1
#5744 → #5745
9.6M → 10M
5726-31
#5745 → #5776
10M → 10.5M
131+30
#5776 → #5746
10.5M → 12M
42104*+62
#5746 → #5684
12M → Finish
1120*+119
#5684 → #5565
TOTALS
2431088*+845
#6410 → #5565

* 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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