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SF MARATHON 1ST HALF 2026

Alejandra Castillo

Oakland, CA

Bib: 20014 F 32

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 34%
Gender (Female)
#0 / 2930
Top 22%
Division (F30-34)
#0 / 651
Top 22%
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
10:19/mi
20:38
→ flat
12 ft elev
4M
10:17/mi
41:11
↑ 67↓ 69
10 ft elev
6M
9:52/mi
1:00:55
↑ 1231.1%
126 ft elev
8M
10:56/mi
1:22:48
↑ 166↓ 531.1%
246 ft elev
9.6M
7:25/mi
1:34:40
↑ 68↓ 1931.5%
126 ft elev
10M
17:16/mi
1:41:34
↓ 241.1%
90 ft elev
10.5M
4:46/mi
1:43:57
↓ 732.7%
18 ft elev
12M
12:37/mi
2:02:53
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
8:44/mi
2:12:34
↑ 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
1:00:5510:09 /mi⚡ faster
2nd Half
1:11:3910:05 /mi+17.6%
Positive split — 17.6% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:11:0920:3810:1920:38
10:19
-
4M
4.00 mi07:31:4241:1110:1820:33
10:17
-0:02
6M
6.00 mi07:51:261:00:5510:0919:44
9:52
-0:25
8M
8.00 mi08:13:191:22:4810:2121:53
10:56
+1:04
9.6M
9.60 mi08:25:111:34:409:5211:52
7:25
-3:31
10M
10.00 mi08:32:051:41:3410:096:54
17:16
+9:51
10.5M
10.50 mi08:34:281:43:579:542:23
4:46
-12:30
12M
12.00 mi08:53:242:02:5310:1418:56
12:37
+7:51
Finish
13.11 mi09:03:052:12:3410:079:41
8:44
-3:53

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

4:46 /mi

Average Pace

10:07 /mi

Slowest Pace

17:16 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

14:15

11% of race

Time at Steady Pace

1:32:29

70% of race

Time at Slower Pace

25:50

19% of race

Average Pace: 10:07 /mi

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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.

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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 mi07:11:0920:3810:1920:38
10:19
#3581
4M
4.00 mi07:31:4241:1110:1820:33
10:17
#3368
6M
6.00 mi07:51:261:00:5510:0919:44
9:52
#3000
8M
8.00 mi08:13:191:22:4810:2121:53
10:56
#3110
9.6M
9.60 mi08:25:111:34:409:5211:52
7:25
#2640
10M
10.00 mi08:32:051:41:3410:096:54
17:16
#2548
10.5M
10.50 mi08:34:281:43:579:542:23
4:46
#2547
12M
12.00 mi08:53:242:02:5310:1418:56
12:37
#2358
Finish
13.11 mi09:03:052:12:3410:079:41
8:44
#2258
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 31%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:17

Segment Time

10:19/mi

Pace

0.90 mi

Distance

Overall

2027

Women

571

Division

124

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi35811214274166545497
4M4.00 mi2.00 mi3368+2131111+103252+2231861021227
6M6.00 mi2.00 mi3000+368939+172213+392474726160
8M8.00 mi2.00 mi3110-110969-30222-934831153265
9.6M9.60 mi1.60 mi2640+470792+177173+4999730763
10M10.00 mi0.40 mi2548+92754+38166+71958548112
10.5M10.50 mi0.50 mi2547+1759-5167-12518780171
12M12.00 mi1.50 mi2358+189687+72153+14166545497
Finish13.11 mi1.11 mi2258+100650+37142+11134931778

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 25%
~flat
+5ft-3ft

Overall

1665

Females

454

F30-34

98

2M→4M

2.0 - 4.0 mi

Top 48%
×4story building
+67ft-69ft

Overall

3186

Females

1021

F30-34

230

4M→6M

4.0 - 6.0 mi

Top 38%
×9story building
+123ft-9ft

Overall

2474

Females

726

F30-34

162

6M→8M

6.0 - 8.0 mi

Top 53%
×12story building
+166ft-53ft

Overall

3483

Females

1153

F30-34

267

8M→9.6M

8.0 - 9.6 mi

Top 15%
×13story building
+68ft-193ft

Overall

997

Females

307

F30-34

64

9.6M→10M

9.6 - 10.0 mi

Top 30%
×2story building
+0ft-24ft

Overall

1958

Females

548

F30-34

113

10M→10.5M

10.0 - 10.5 mi

Top 38%
×6story building
+1ft-73ft

Overall

2518

Females

780

F30-34

172

10.5M→12M

10.5 - 12.0 mi

Top 25%
×21story building
+280ft-26ft

Overall

1665

Females

454

F30-34

98

12M→Finish

12.0 - 13.1 mi

Top 21%
×7story building
+14ft-89ft

Overall

1349

Females

317

F30-34

78

Passing Analysis

Category:
Athletes Passed
1639*
Passed By
316
Net Change
+1323
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3581
2M → 4M29582+213#3581#3368
4M → 6M3757+368#3368#3000
6M → 8M92*202-110#3000#3110
8M → 9.6M4722+470#3110#2640
9.6M → 10M975+92#2640#2548
10M → 10.5M76+1#2548#2547
10.5M → 12M20011+189#2547#2358
12M → Finish101*1+100#2358#2258
TOTALS1639*316+1323

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

Passing Charts

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