San Francisco Marathon logo
SF MARATHON 2023

Merari Lopez

Bib: 6462•F•Age: 23

Cerritos, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 4888
Gender (Female)
#0 / 1310
F20-29
#0 / 158
Race Day Weather
69°/59°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2.2 Miles
22:02
Rank: #4496
Start → 2.2 Miles
22:02 | 10:01/mi
5.7 Miles
1:06:19
Rank: #4464 (+32)
2.2 Miles → 5.7 Miles
44:17 | 12:39/mi
6.43 Miles
1:19:56
Rank: #4575 (-111)
5.7 Miles → 6.43 Miles
13:37 | 18:39/mi
10.92 Miles
2:20:02
Rank: #4775 (-200)
6.43 Miles → 10.92 Miles
1:00:06 | 13:23/mi
Garmin Hill Challenge· 11.42 mi
2:30:19
Rank: #4796 (-21)
10.92 Miles → Garmin Hill Challenge
10:17 | 20:33/mi
14.95 Miles
3:17:42
Rank: #4812 (-16)
Garmin Hill Challenge → 14.95 Miles
47:23 | 13:25/mi
18 Miles
4:01:21
Rank: #4729 (+83)
14.95 Miles → 18 Miles
43:39 | 14:19/mi
24 Miles
5:27:13
Rank: #4668 (+61)
18 Miles → 24 Miles
1:25:52 | 14:19/mi
Finish· 26.22 mi
5:58:58
Rank: #4643 (+25)
24 Miles → Finish
31:45 | 14:19/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2.2 Miles
2.20 mi05:50:2822:0210:0122:02
10:01
-
5.7 Miles
5.70 mi06:34:451:06:1911:3844:17
12:39
+2:38
6.43 Miles
6.43 mi06:48:221:19:5612:2613:37
18:39
+6:00
10.92 Miles
10.92 mi07:48:282:20:0212:491:00:06
13:23
-5:16
Garmin Hill Challenge
11.42 mi07:58:452:30:1913:1010:17
20:33
+7:10
14.95 Miles
14.95 mi08:46:083:17:4213:1347:23
13:25
-7:08
18 Miles
18.00 mi09:29:474:01:2113:2443:39
14:19
+0:54
24 Miles
24.00 mi10:55:395:27:1313:381:25:52
14:19
0:00
Finish
26.22 mi11:27:245:58:5813:4231:45
14:19
0:00

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

10:01 /mi

Average Pace

13:42 /mi

Slowest Pace

20:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:06:19

18% of race

Time at Steady Pace

4:28:45

75% of race

Time at Slower Pace

23:54

7% of race

Average Pace: 13:41 /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...
0mi6.6mi13.1mi19.7mi26.2mi
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
2.2 Miles
2.20 mi05:50:2822:0210:0122:02
10:01
#4496
5.7 Miles
5.70 mi06:34:451:06:1911:3844:17
12:39
#4464
6.43 Miles
6.43 mi06:48:221:19:5612:2613:37
18:39
#4575
10.92 Miles
10.92 mi07:48:282:20:0212:491:00:06
13:23
#4775
Garmin Hill Challenge
11.42 mi07:58:452:30:1913:1010:17
20:33
#4796
14.95 Miles
14.95 mi08:46:083:17:4213:1347:23
13:25
#4812
18 Miles
18.00 mi09:29:474:01:2113:2443:39
14:19
#4729
24 Miles
24.00 mi10:55:395:27:1313:381:25:52
14:19
#4668
Finish
26.22 mi11:27:245:58:5813:4231:45
14:19
#4643
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2.2 Miles2.20 mi2.20 mi449611331474496(Top 92%)1133(Top 86%)147(Top 93%)
5.7 Miles5.70 mi3.50 mi4464+321116+17142+54454(Top 91%)1116(Top 85%)142(Top 90%)
6.43 Miles6.43 mi0.73 mi4575-1111157-41149-74815(Top 99%)1252(Top 96%)155(Top 98%)
10.92 Miles10.92 mi4.49 mi4775-2001240-83154-54848(Top 99%)1273(Top 97%)154(Top 97%)
Garmin Hill Challenge11.42 mi0.50 mi4796-211250-101544893(Top 100%)1292(Top 99%)156(Top 99%)
14.95 Miles14.95 mi3.53 mi4812-161254-4155-14824(Top 99%)1272(Top 97%)157(Top 99%)
18 Miles18.00 mi3.05 mi4729+831224+30154+14087(Top 84%)1027(Top 78%)137(Top 87%)
24 Miles24.00 mi6.00 mi4668+611212+12153+14388(Top 90%)1159(Top 88%)148(Top 94%)
Finish26.22 mi2.22 mi4643+251205+7152+14317(Top 88%)1150(Top 88%)145(Top 92%)

Segment Performance Analysis

Start → 2.2 Miles

0.0 - 2.2 mi

Top 92%
×1human
+8ft-12ft

Overall

4496

Females

1133

F20-24

150

2.2 Miles→5.7 Miles

2.2 - 5.7 mi

Top 91%
×6stories
+92ft-87ft

Overall

4454

Females

1116

F20-24

145

5.7 Miles→6.43 Miles

5.7 - 6.4 mi

Top 99%
×11stories
+137ft-3ft

Overall

4815

Females

1252

F20-24

159

6.43 Miles→10.92 Miles

6.4 - 10.9 mi

Top 99%
×21stories
+225ft-318ft

Overall

4848

Females

1273

F20-24

155

10.92 Miles→Garmin Hill Challenge

10.9 - 11.4 mi

Top 100%
×11stories
+134ft-123ft

Overall

4893

Females

1292

F20-24

157

Garmin Hill Challenge→14.95 Miles

11.4 - 14.9 mi

Top 99%
×16stories
+234ft-225ft

Overall

4824

Females

1272

F20-24

157

14.95 Miles→18 Miles

14.9 - 18.0 mi

Top 84%
×12stories
+165ft-60ft

Overall

4087

Females

1027

F20-24

137

18 Miles→24 Miles

18.0 - 24.0 mi

Top 90%
×21stories
+142ft-377ft

Overall

4388

Females

1159

F20-24

148

24 Miles→Finish

24.0 - 26.2 mi

Top 88%
~flat
+2ft-2ft

Overall

4317

Females

1150

F20-24

145

Passing Analysis

Category:
Athletes Passed
355*
Passed By
502
Net Change
-147
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2.2 Miles----#4496
2.2 Miles → 5.7 Miles142*110+32#4496#4464
5.7 Miles → 6.43 Miles2113-111#4464#4575
6.43 Miles → 10.92 Miles10*210-200#4575#4775
10.92 Miles → Garmin Hill Challenge122-21#4775#4796
Garmin Hill Challenge → 14.95 Miles17*33-16#4796#4812
14.95 Miles → 18 Miles83*0+83#4812#4729
18 Miles → 24 Miles73*12+61#4729#4668
24 Miles → Finish27*2+25#4668#4643
TOTALS355*502-147

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

📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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
Share Feedback

Public Race Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events