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SF MARATHON 1ST HALF 2026

Shae O'Brien

Bib: 16399•F•Age: 27

Stony Point, NY

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

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
10:40/mi
21:21
→ flat
4M
11:09/mi
43:38
↑ 67↓ 69
6M
11:14/mi
1:06:07
↑ 1231.1%
8M
12:47/mi
1:31:42
↑ 166↓ 531.1%
9.6M
8:58/mi
1:46:03
↑ 68↓ 1931.5%
10M
19:41/mi
1:53:55
↓ 241.1%
10.5M
5:02/mi
1:56:26
↓ 732.7%
12M
15:21/mi
2:19:27
↑ 2803.2%
Finish· 13.11 mi
10:41/mi
2:31:18
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:06:07
Pace11:01 /mi
2nd Half
Distance7.11 mi
Time1:25:11
Pace11:59 /mi
📊Positive Split: 28.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:04:3621:2110:4021:21
10:40
-
4M
4.00 mi07:26:5343:3810:5522:17
11:09
+0:29
6M
6.00 mi07:49:221:06:0711:0122:29
11:14
+0:05
8M
8.00 mi08:14:571:31:4211:2825:35
12:47
+1:33
9.6M
9.60 mi08:29:181:46:0311:0314:21
8:58
-3:49
10M
10.00 mi08:37:101:53:5511:247:52
19:41
+10:43
10.5M
10.50 mi08:39:411:56:2611:052:31
5:02
-14:39
12M
12.00 mi09:02:422:19:2711:3723:01
15:21
+10:19
Finish
13.11 mi09:14:332:31:1811:3211:51
10:41
-4:40

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

5:02 /mi

Average Pace

11:32 /mi

Slowest Pace

19:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

16:52

11% of race

Time at Steady Pace

1:43:33

68% of race

Time at Slower Pace

30:53

20% of race

Average Pace: 11:32 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi07:04:3621:2110:4021:21
10:40
#4188
4M
4.00 mi07:26:5343:3810:5522:17
11:09
#4279
6M
6.00 mi07:49:221:06:0711:0122:29
11:14
#4215
8M
8.00 mi08:14:571:31:4211:2825:35
12:47
#4561
9.6M
9.60 mi08:29:181:46:0311:0314:21
8:58
#4202
10M
10.00 mi08:37:101:53:5511:247:52
19:41
#4102
10.5M
10.50 mi08:39:411:56:2611:052:31
5:02
#4073
12M
12.00 mi09:02:422:19:2711:3723:01
15:21
#4004
Finish
13.11 mi09:14:332:31:1811:3211:51
10:41
#3960
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 49%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:23

Segment Time

11:32/mi

Pace

0.90 mi

Distance

Overall

3219

Women

1086

Division

278

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi418814983673784(Top 58%)1399(Top 48%)345(Top 51%)
4M4.00 mi2.00 mi4279-911547-49385-184416(Top 67%)1628(Top 56%)405(Top 60%)
6M6.00 mi2.00 mi4215+641510+37378+74167(Top 63%)1501(Top 51%)367(Top 54%)
8M8.00 mi2.00 mi4561-3461679-169408-305263(Top 80%)2074(Top 71%)486(Top 72%)
9.6M9.60 mi1.60 mi4202+3591515+164374+342696(Top 41%)973(Top 33%)240(Top 36%)
10M10.00 mi0.40 mi4102+1001470+45367+73320(Top 50%)1144(Top 39%)289(Top 43%)
10.5M10.50 mi0.50 mi4073+291460+10366+13254(Top 49%)1099(Top 38%)268(Top 40%)
12M12.00 mi1.50 mi4004+691439+21358+83784(Top 58%)1399(Top 48%)345(Top 51%)
Finish13.11 mi1.11 mi3960+441422+17355+33691(Top 56%)1351(Top 46%)352(Top 52%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 58%
~flat
+5ft-3ft

Overall

3784

Females

1399

F25-29

345

2M→4M

2.0 - 4.0 mi

Top 67%
×4story building
+67ft-69ft

Overall

4416

Females

1628

F25-29

405

4M→6M

4.0 - 6.0 mi

Top 63%
×9story building
+123ft-9ft

Overall

4167

Females

1501

F25-29

367

6M→8M

6.0 - 8.0 mi

Top 80%
×12story building
+166ft-53ft

Overall

5263

Females

2074

F25-29

487

8M→9.6M

8.0 - 9.6 mi

Top 41%
×13story building
+68ft-193ft

Overall

2696

Females

973

F25-29

240

9.6M→10M

9.6 - 10.0 mi

Top 50%
×2story building
+0ft-24ft

Overall

3320

Females

1144

F25-29

289

10M→10.5M

10.0 - 10.5 mi

Top 49%
×6story building
+1ft-73ft

Overall

3254

Females

1099

F25-29

268

10.5M→12M

10.5 - 12.0 mi

Top 58%
×21story building
+280ft-26ft

Overall

3784

Females

1399

F25-29

345

12M→Finish

12.0 - 13.1 mi

Top 56%
×7story building
+14ft-89ft

Overall

3691

Females

1351

F25-29

352

Passing Analysis

Category:
Athletes Passed
1068*
Passed By
840
Net Change
+228
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4188
2M → 4M144235-91#4188#4279
4M → 6M154*90+64#4279#4215
6M → 8M53*399-346#4215#4561
8M → 9.6M37617+359#4561#4202
9.6M → 10M1055+100#4202#4102
10M → 10.5M334+29#4102#4073
10.5M → 12M127*58+69#4073#4004
12M → Finish76*32+44#4004#3960
TOTALS1068*840+228

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

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