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SF MARATHON 1ST HALF 2026

Aubrey O'Brien

Waterloo, NY

Bib: 20686 F 26

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
11:00/mi
22:01
→ flat
12 ft elev
4M
10:29/mi
42:59
↑ 67↓ 69
10 ft elev
6M
11:29/mi
1:05:57
↑ 1231.1%
126 ft elev
8M
15:50/mi
1:37:38
↑ 166↓ 531.1%
246 ft elev
9.6M
8:26/mi
1:51:07
↑ 68↓ 1931.5%
126 ft elev
10M
18:06/mi
1:58:21
↓ 241.1%
90 ft elev
10.5M
4:58/mi
2:00:50
↓ 732.7%
18 ft elev
12M
14:03/mi
2:21:55
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
10:04/mi
2:33:05
↑ 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
1:05:5711:00 /mi⚡ faster
2nd Half
1:27:0812:15 /mi+32.1%
Positive split — 32.1% 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
22:0111:002.00 mi22:01
11:00
-
4M
42:5910:452.00 mi20:58
10:29
-0:31
6M
1:05:5711:002.00 mi22:58
11:29
+1:00
8M
1:37:3812:122.00 mi31:41
15:50
+4:21
9.6M
1:51:0711:341.60 mi13:29
8:26
-7:24
10M
1:58:2111:500.40 mi7:14
18:06
+9:40
10.5M
2:00:5011:300.50 mi2:29
4:58
-13:08
12M
2:21:5511:501.50 mi21:05
14:03
+9:05
Finish(13.11 mi)
2:33:0511:411.11 mi11:10
10:04
-3:59
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

4:58 /mi

Average Pace

11:41 /mi

Slowest Pace

18:06 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

15:58

10% of race

Time at Steady Pace

1:17:07

50% of race

Time at Slower Pace

1:00:00

39% of race

Average Pace: 11:41 /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 38%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:43

Segment Time

10:48/mi

Pace

0.90 mi

Distance

Overall

2503

Women

759

Division

191

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi470217664392784911237
4M2.00 mi4056+6461433+333359+8035031178290
6M2.00 mi4172-1161488-55370-1144851664411
8M2.00 mi5432-12602171-683527-15764002808651
9.6M1.60 mi4953+4791910+261467+602037687177
10M0.40 mi4718+2351786+124441+262455751188
10.5M0.50 mi4676+421768+18437+431061035258
12M1.50 mi4266+4101579+189392+452784911237
Finish(13.11 mi)1.11 mi4125+1411514+65376+162941992273

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 42%
~flat
+5ft-3ft

Overall

2784

Females

911

F25-29

237

2M→4M

2.0 - 4.0 mi

Top 53%
×4story building
+67ft-69ft

Overall

3503

Females

1178

F25-29

290

4M→6M

4.0 - 6.0 mi

Top 68%
×9story building
+123ft-9ft

Overall

4485

Females

1664

F25-29

411

6M→8M

6.0 - 8.0 mi

Top 97%
×12story building
+166ft-53ft

Overall

6400

Females

2808

F25-29

652

8M→9.6M

8.0 - 9.6 mi

Top 31%
×13story building
+68ft-193ft

Overall

2037

Females

687

F25-29

177

9.6M→10M

9.6 - 10.0 mi

Top 37%
×2story building
+0ft-24ft

Overall

2455

Females

751

F25-29

188

10M→10.5M

10.0 - 10.5 mi

Top 47%
×6story building
+1ft-73ft

Overall

3106

Females

1035

F25-29

258

10.5M→12M

10.5 - 12.0 mi

Top 42%
×21story building
+280ft-26ft

Overall

2784

Females

911

F25-29

237

12M→Finish

12.0 - 13.1 mi

Top 45%
×7story building
+14ft-89ft

Overall

2941

Females

992

F25-29

273

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#4702
2M → 4M
13659+646
#4702 → #4056
4M → 6M
20387*-116
#4056 → #4172
6M → 8M
12633*-1260
#4172 → #5432
8M → 9.6M
1480+479
#5432 → #4953
9.6M → 10M
1236+235
#4953 → #4718
10M → 10.5M
345+42
#4718 → #4676
10.5M → 12M
17427*+410
#4676 → #4266
12M → Finish
4145*+141
#4266 → #4125
TOTALS
15052082*+577
#4702 → #4125

* 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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