San Francisco Marathon logo
SF MARATHON 1ST HALF 2023

Merari Rosas

Lynnwood, WA

Bib: 15241 F 29

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6072
Gender (Female)
#0 / 2732
Division (F25-29)
#0 / 629
Race Day Weather
60°/50°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.40M
11:17/mi
15:48
→ flat
2.13M
24:19/mi
33:33
→ flat
6.43M
14:12/mi
1:34:35
↑ 274↓ 78
6.62M
-51:-24/mi
1:25:00
↑ 16
10.65M
12:26/mi
2:15:06
↑ 153↓ 361
Finish· 13.11 mi
11:26/mi
2:43:13
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:25:0012:50 /mi+8.0%
2nd Half
1:18:1312:03 /mi✓ faster
Negative split — 8.0% faster in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
1.40M
15:4811:171.40 mi15:48
11:17
-
2.13M
33:3315:450.73 mi17:45
24:19
+13:02
6.43M
1:34:3514:434.30 mi1:01:02
14:12
-10:07
6.62M
1:25:0012:500.19 mi
-51:-24
-65:36
10.65M
2:15:0612:414.03 mi50:06
12:26
+63:50
Finish(13.11 mi)
2:43:1312:272.46 mi28:07
11:26
-1:00
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-52:-24 /mi

Average Pace

12:27 /mi

Slowest Pace

24:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:43:13

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 12:27 /mi

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

Heatmap

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

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
1.40M1.40 mi5286223955452862239554
2.13M0.73 mi5449-1632328-89569-1556562458585
6.43M4.30 mi5202+2472182+146549+2050062083530
6.62M0.19 mi5081+1212115+67539+10---
10.65M4.03 mi5127-462158-43543-452282252555
Finish(13.11 mi)2.46 mi5018+1092104+54535+845321879474

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 87%
~flat
+3ft-2ft

Overall

5286

Females

2239

F25-29

556

1.40M→2.13M

1.4 - 2.1 mi

Top 93%
~flat
+3ft-1ft

Overall

5656

Females

2458

F25-29

591

2.13M→6.43M

2.1 - 6.4 mi

Top 82%
×17story building
+274ft-78ft

Overall

5006

Females

2083

F25-29

531

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F25-29

-

6.62M→10.65M

6.6 - 10.7 mi

Top 86%
×21story building
+153ft-361ft

Overall

5228

Females

2252

F25-29

555

10.65M→Finish

10.7 - 13.1 mi

Top 75%
×17story building
+244ft-114ft

Overall

4532

Females

1879

F25-29

474

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#5286
1.40M → 2.13M
23067-163
#5286 → #5449
2.13M → 6.43M
134381*+247
#5449 → #5202
6.43M → 6.62M
8129+121
#5202 → #5081
6.62M → 10.65M
13488*-46
#5081 → #5127
10.65M → Finish
10119*+109
#5127 → #5018
TOTALS
516784*+268
#5286 → #5018

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

Passing Visualized

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events