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SF MARATHON 1ST HALF 2026

Kerry Ann Ostrea

Bib: 14131•F•Age: 49

Daly City, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Masters (Masters Women)
#0 / 781
Division (F45-49)
#0 / 183
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
14:41/mi
29:23
→ flat
4M
16:35/mi
1:02:33
↑ 67↓ 69
6M
16:19/mi
1:35:11
↑ 1231.1%
8M
17:48/mi
2:10:47
↑ 166↓ 531.1%
9.6M
14:06/mi
2:33:21
↑ 68↓ 1931.5%
10M
33:25/mi
2:46:42
↓ 241.1%
10.5M
9:10/mi
2:51:17
↓ 732.7%
12M
24:06/mi
3:27:26
↑ 2803.2%
Finish· 13.11 mi
19:12/mi
3:48:44
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:35:11
Pace15:52 /mi
2nd Half
Distance7.11 mi
Time2:13:33
Pace18:47 /mi
📊Positive Split: 40.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:00:0829:2314:4129:23
14:41
-
4M
4.00 mi07:33:181:02:3315:3833:10
16:35
+1:54
6M
6.00 mi08:05:561:35:1115:5232:38
16:19
-0:16
8M
8.00 mi08:41:322:10:4716:2135:36
17:48
+1:29
9.6M
9.60 mi09:04:062:33:2115:5822:34
14:06
-3:42
10M
10.00 mi09:17:272:46:4216:4013:21
33:25
+19:19
10.5M
10.50 mi09:22:022:51:1716:194:35
9:10
-24:15
12M
12.00 mi09:58:113:27:2617:1736:09
24:06
+14:56
Finish
13.11 mi10:19:293:48:4417:2721:18
19:12
-4:54

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

9:10 /mi

Average Pace

17:27 /mi

Slowest Pace

33:25 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:35

2% of race

Time at Steady Pace

2:54:39

76% of race

Time at Slower Pace

49:30

22% of race

Average Pace: 17:27 /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 mi07:00:0829:2314:4129:23
14:41
#6595
4M
4.00 mi07:33:181:02:3315:3833:10
16:35
#6608
6M
6.00 mi08:05:561:35:1115:5232:38
16:19
#6603
8M
8.00 mi08:41:322:10:4716:2135:36
17:48
#6587
9.6M
9.60 mi09:04:062:33:2115:5822:34
14:06
#6579
10M
10.00 mi09:17:272:46:4216:4013:21
33:25
#6579
10.5M
10.50 mi09:22:022:51:1716:194:35
9:10
#6579
12M
12.00 mi09:58:113:27:2617:1736:09
24:06
#6579
Finish
13.11 mi10:19:293:48:4417:2721:18
19:12
#6568
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 99%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

17:56

Segment Time

19:56/mi

Pace

0.90 mi

Distance

Overall

6489

Women

2890

Division

181

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
2M2.00 mi2.00 mi659529361826529(Top 99%)2915(Top 99%)181(Top 99%)
4M4.00 mi2.00 mi6608-132943-7181+16609(Top 101%)2941(Top 100%)181(Top 99%)
6M6.00 mi2.00 mi6603+52942+11816562(Top 100%)2914(Top 99%)178(Top 97%)
8M8.00 mi2.00 mi6587+162934+8182-16564(Top 100%)2924(Top 100%)182(Top 99%)
9.6M9.60 mi1.60 mi6579+82930+41826481(Top 99%)2875(Top 98%)181(Top 99%)
10M10.00 mi0.40 mi657929301826530(Top 99%)2917(Top 100%)182(Top 99%)
10.5M10.50 mi0.50 mi657929301826528(Top 99%)2913(Top 99%)179(Top 98%)
12M12.00 mi1.50 mi65792931-11826529(Top 99%)2915(Top 99%)181(Top 99%)
Finish13.11 mi1.11 mi6568+112923+81826525(Top 99%)2907(Top 99%)182(Top 99%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 99%
~flat
+5ft-3ft

Overall

6529

Females

2915

F45-49

182

2M→4M

2.0 - 4.0 mi

Top 101%
×4story building
+67ft-69ft

Overall

6609

Females

2941

F45-49

182

4M→6M

4.0 - 6.0 mi

Top 100%
×9story building
+123ft-9ft

Overall

6562

Females

2914

F45-49

179

6M→8M

6.0 - 8.0 mi

Top 100%
×12story building
+166ft-53ft

Overall

6564

Females

2924

F45-49

183

8M→9.6M

8.0 - 9.6 mi

Top 99%
×13story building
+68ft-193ft

Overall

6481

Females

2875

F45-49

182

9.6M→10M

9.6 - 10.0 mi

Top 99%
×2story building
+0ft-24ft

Overall

6530

Females

2917

F45-49

183

10M→10.5M

10.0 - 10.5 mi

Top 99%
×6story building
+1ft-73ft

Overall

6528

Females

2913

F45-49

180

10.5M→12M

10.5 - 12.0 mi

Top 99%
×21story building
+280ft-26ft

Overall

6529

Females

2915

F45-49

182

12M→Finish

12.0 - 13.1 mi

Top 99%
×7story building
+14ft-89ft

Overall

6525

Females

2907

F45-49

182

Passing Analysis

Category:
Athletes Passed
66*
Passed By
39
Net Change
+27
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#6595
2M → 4M3*16-13#6595#6608
4M → 6M15*10+5#6608#6603
6M → 8M23*7+16#6603#6587
8M → 9.6M10*2+8#6587#6579
9.6M → 10M000#6579#6579
10M → 10.5M000#6579#6579
10.5M → 12M3*30#6579#6579
12M → Finish12*1+11#6579#6568
TOTALS66*39+27

* 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