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SF MARATHON 1ST HALF 2026

Daniela Castrejon

Mazatlán, Sinaloa

Bib: 15454 F 27

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 30%
Gender (Female)
#0 / 2930
Top 18%
Division (F25-29)
#0 / 674
Top 19%
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
9:59/mi
19:59
→ flat
4M
9:39/mi
39:16
↑ 67↓ 69
6M
9:43/mi
58:42
↑ 123
8M
9:09/mi
1:17:00
↑ 166↓ 53
9.6M
9:09/mi
1:31:39
↑ 68↓ 193
10.26M
10:05/mi
1:38:18
↓ 114
10.5M
8:49/mi
1:40:25
→ flat
12M
12:39/mi
1:59:23
↑ 280
Finish· 13.11 mi
8:55/mi
2:09:16
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
58:429:47 /mi⚡ faster
2nd Half
1:10:349:56 /mi+20.2%
Positive split — 20.2% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2M
19:599:592.00 mi19:59
9:59
-
4M
39:169:492.00 mi19:17
9:39
-0:20
6M
58:429:472.00 mi19:26
9:43
+0:04
8M
1:17:009:382.00 mi18:18
9:09
-0:34
9.6M
1:31:399:331.60 mi14:39
9:09
0:00
10.26M
1:38:189:350.66 mi6:39
10:05
+0:56
10.5M
1:40:259:340.24 mi2:07
8:49
-1:16
12M
1:59:239:571.50 mi18:58
12:39
+3:50
Finish(13.11 mi)
2:09:169:521.11 mi9:53
8:55
-3:44
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

8:49 /mi

Average Pace

9:52 /mi

Slowest Pace

12:39 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

12:00

9% of race

Time at Steady Pace

1:38:18

76% of race

Time at Slower Pace

18:58

15% of race

Average Pace: 9:52 /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 22%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:46

Segment Time

9:45/mi

Pace

0.90 mi

Distance

Overall

1451

Women

342

Division

84

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi30239592231680457119
4M2.00 mi2585+438768+191186+372319647155
6M2.00 mi2456+129707+61172+142304653160
8M2.00 mi2141+315559+148128+44142931969
9.6M1.60 mi2227-86632-73154-2629441089265
10.26M0.66 mi2163+64603+29144+10161341299
10.5M0.24 mi2126+37585+18139+5118025358
12M1.50 mi2025+101557+28134+51680457119
Finish(13.11 mi)1.11 mi1952+73529+28129+51549390102

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 26%
~flat
+5ft-3ft

Overall

1680

Females

457

F25-29

119

2M→4M

2.0 - 4.0 mi

Top 35%
×4story building
+67ft-69ft

Overall

2319

Females

647

F25-29

155

4M→6M

4.0 - 6.0 mi

Top 35%
×9story building
+123ft-9ft

Overall

2304

Females

653

F25-29

160

6M→8M

6.0 - 8.0 mi

Top 22%
×12story building
+166ft-53ft

Overall

1429

Females

319

F25-29

69

8M→9.6M

8.0 - 9.6 mi

Top 45%
×13story building
+68ft-193ft

Overall

2944

Females

1089

F25-29

265

9.6M→10.26M

9.6 - 10.3 mi

Top 25%
×9story building
+0ft-114ft

Overall

1613

Females

412

F25-29

99

10.26M→10.5M

10.3 - 10.5 mi

Top 18%
~flat
+1ft-0ft

Overall

1180

Females

253

F25-29

58

10.5M→12M

10.5 - 12.0 mi

Top 26%
×21story building
+280ft-26ft

Overall

1680

Females

457

F25-29

119

12M→Finish

12.0 - 13.1 mi

Top 24%
×7story building
+14ft-89ft

Overall

1549

Females

390

F25-29

102

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#3023
2M → 4M
16454+438
#3023 → #2585
4M → 6M
30159+129
#2585 → #2456
6M → 8M
10325*+315
#2456 → #2141
8M → 9.6M
13448-86
#2141 → #2227
9.6M → 10.26M
165+64
#2227 → #2163
10.26M → 10.5M
037+37
#2163 → #2126
10.5M → 12M
21122+101
#2126 → #2025
12M → Finish
1386*+73
#2025 → #1952
TOTALS
2251296*+1071
#3023 → #1952

* 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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