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SF MARATHON 1ST HALF 2026

Naomi Rivas

Danville, CA

Bib: 12189 F 55

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Top 50%
Masters (Masters Women)
#0 / 781
Top 41%
Division (F55-59)
#0 / 100
Top 43%
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
11:05/mi
22:10
→ flat
12 ft elev
4M
11:06/mi
44:21
↑ 67↓ 69
10 ft elev
6M
11:38/mi
1:07:38
↑ 1231.1%
126 ft elev
8M
10:49/mi
1:29:17
↑ 166↓ 531.1%
246 ft elev
9.6M
10:49/mi
1:46:36
↑ 68↓ 1931.5%
126 ft elev
10M
21:16/mi
1:55:06
↓ 241.1%
90 ft elev
10.5M
5:42/mi
1:57:57
↓ 732.7%
18 ft elev
12M
14:23/mi
2:19:31
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
11:24/mi
2:32:10
↑ 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
1:07:3811:16 /mi⚡ faster
2nd Half
1:24:3211:53 /mi+25.0%
Positive split — 25.0% 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
22:1011:052.00 mi22:10
11:05
-
4M
44:2111:052.00 mi22:11
11:06
+0:01
6M
1:07:3811:162.00 mi23:17
11:38
+0:32
8M
1:29:1711:102.00 mi21:39
10:49
-0:49
9.6M
1:46:3611:061.60 mi17:19
10:49
0:00
10M
1:55:0611:310.40 mi8:30
21:16
+10:27
10.5M
1:57:5711:140.50 mi2:51
5:42
-15:34
12M
2:19:3111:381.50 mi21:34
14:23
+8:41
Finish(13.11 mi)
2:32:1011:361.11 mi12:39
11:24
-2:59
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

5:42 /mi

Average Pace

11:36 /mi

Slowest Pace

21:16 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:51

2% of race

Time at Steady Pace

1:59:15

78% of race

Time at Slower Pace

30:04

20% of race

Average Pace: 11:36 /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 65%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:21

Segment Time

12:37/mi

Pace

0.90 mi

Distance

Overall

4264

Women

1624

Division

50

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
2M2.00 mi48291842513049103724
4M2.00 mi4542+2871679+16345+64341158947
6M2.00 mi4592-501707-2848-34680175648
8M2.00 mi4170+4221469+23841+73350107531
9.6M1.60 mi4289-1191558-8942-14871199659
10M0.40 mi4266+231560-244-24205160150
10.5M0.50 mi4284-181570-1046-24834191059
12M1.50 mi4013+2711444+12642+43049103724
Finish(13.11 mi)1.11 mi4035-221460-1643-14447175754

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 46%
~flat
+5ft-3ft

Overall

3049

Females

1037

F55-59

24

2M→4M

2.0 - 4.0 mi

Top 66%
×4story building
+67ft-69ft

Overall

4341

Females

1589

F55-59

47

4M→6M

4.0 - 6.0 mi

Top 71%
×9story building
+123ft-9ft

Overall

4680

Females

1756

F55-59

48

6M→8M

6.0 - 8.0 mi

Top 51%
×12story building
+166ft-53ft

Overall

3350

Females

1075

F55-59

31

8M→9.6M

8.0 - 9.6 mi

Top 74%
×13story building
+68ft-193ft

Overall

4871

Females

1996

F55-59

59

9.6M→10M

9.6 - 10.0 mi

Top 64%
×2story building
+0ft-24ft

Overall

4205

Females

1601

F55-59

50

10M→10.5M

10.0 - 10.5 mi

Top 74%
×6story building
+1ft-73ft

Overall

4834

Females

1910

F55-59

59

10.5M→12M

10.5 - 12.0 mi

Top 46%
×21story building
+280ft-26ft

Overall

3049

Females

1037

F55-59

24

12M→Finish

12.0 - 13.1 mi

Top 68%
×7story building
+14ft-89ft

Overall

4447

Females

1757

F55-59

54

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#4829
2M → 4M
63350+287
#4829 → #4542
4M → 6M
177127*-50
#4542 → #4592
6M → 8M
21443*+422
#4592 → #4170
8M → 9.6M
18566-119
#4170 → #4289
9.6M → 10M
4063+23
#4289 → #4266
10M → 10.5M
268-18
#4266 → #4284
10.5M → 12M
18289*+271
#4284 → #4013
12M → Finish
7351*-22
#4013 → #4035
TOTALS
6031397*+794
#4829 → #4035

* 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

Race Place Events

Race Place Events