Grace Lui

Bib: 15917FAge: 27

San Francisco, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6575
Gender (Female)
#0 / 2930
Top 46%
Division (F25-29)
#0 / 674
Top 50%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
10:00/mi
20:01
→ flat
4M
10:22/mi
40:45
6769
6M
10:26/mi
1:01:38
1231.1%
8M
10:32/mi
1:22:41
166531.1%
9.6M
10:32/mi
1:39:32
681931.5%
10M
25:12/mi
1:49:36
241.1%
10.5M
5:32/mi
1:52:22
732.7%
12M
16:21/mi
2:16:53
2803.2%
Finish· 13.11 mi
11:35/mi
2:29:44
14891.3%

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.

Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:01:38
Pace10:16 /mi
2nd Half
Distance7.11 mi
Time1:28:06
Pace12:24 /mi
📊Positive Split: 42.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:57:4120:0110:0020:01
10:00
-
4M
4.00 mi07:18:2540:4510:1120:44
10:22
+0:22
6M
6.00 mi07:39:181:01:3810:1620:53
10:26
+0:04
8M
8.00 mi08:00:211:22:4110:2021:03
10:32
+0:06
9.6M
9.60 mi08:17:121:39:3210:2216:51
10:32
0:00
10M
10.00 mi08:27:161:49:3610:5810:04
25:12
+14:40
10.5M
10.50 mi08:30:021:52:2210:422:46
5:32
-19:40
12M
12.00 mi08:54:332:16:5311:2424:31
16:21
+10:49
Finish
13.11 mi09:07:242:29:4411:2512:51
11:35
-4:46

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

5:32 /mi

Average Pace

11:25 /mi

Slowest Pace

25:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46

2% of race

Time at Steady Pace

1:52:23

75% of race

Time at Slower Pace

34:35

23% of race

Average Pace: 11:25 /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...
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 mi06:57:4120:0110:0020:01
10:00
#3059
4M
4.00 mi07:18:2540:4510:1120:44
10:22
#3171
6M
6.00 mi07:39:181:01:3810:1620:53
10:26
#3181
8M
8.00 mi08:00:211:22:4110:2021:03
10:32
#3088
9.6M
9.60 mi08:17:121:39:3210:2216:51
10:32
#3337
10M
10.00 mi08:27:161:49:3610:5810:04
25:12
#3594
10.5M
10.50 mi08:30:021:52:2210:422:46
5:32
#3612
12M
12.00 mi08:54:332:16:5311:2424:31
16:21
#3776
Finish
13.11 mi09:07:242:29:4411:2512:51
11:35
#3819
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 83%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:50

Segment Time

14:16/mi

Pace

0.90 mi

Distance

Overall

5426

Women

2276

Division

545

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi30599742274456(Top 68%)1752(Top 60%)428(Top 64%)
4M4.00 mi2.00 mi3171-1121019-45241-143323(Top 51%)1090(Top 37%)268(Top 40%)
6M6.00 mi2.00 mi3181-101021-2247-63217(Top 49%)1035(Top 35%)259(Top 38%)
8M8.00 mi2.00 mi3088+93955+66236+113017(Top 46%)925(Top 32%)224(Top 33%)
9.6M9.60 mi1.60 mi3337-2491090-135271-354588(Top 70%)1859(Top 63%)457(Top 68%)
10M10.00 mi0.40 mi3594-2571213-123303-325664(Top 86%)2422(Top 83%)567(Top 84%)
10.5M10.50 mi0.50 mi3612-181224-11307-44462(Top 68%)1704(Top 58%)422(Top 63%)
12M12.00 mi1.50 mi3776-1641312-88330-234456(Top 68%)1752(Top 60%)428(Top 64%)
Finish13.11 mi1.11 mi3819-431337-25337-74585(Top 70%)1830(Top 62%)454(Top 67%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 68%
~flat
+5ft-3ft

Overall

4456

Females

1752

F25-29

428

2M→4M

2.0 - 4.0 mi

Top 51%
×4story building
+67ft-69ft

Overall

3323

Females

1090

F25-29

268

4M→6M

4.0 - 6.0 mi

Top 49%
×9story building
+123ft-9ft

Overall

3217

Females

1035

F25-29

259

6M→8M

6.0 - 8.0 mi

Top 46%
×12story building
+166ft-53ft

Overall

3017

Females

925

F25-29

224

8M→9.6M

8.0 - 9.6 mi

Top 70%
×13story building
+68ft-193ft

Overall

4588

Females

1859

F25-29

457

9.6M→10M

9.6 - 10.0 mi

Top 86%
×2story building
+0ft-24ft

Overall

5664

Females

2422

F25-29

568

10M→10.5M

10.0 - 10.5 mi

Top 68%
×6story building
+1ft-73ft

Overall

4462

Females

1704

F25-29

422

10.5M→12M

10.5 - 12.0 mi

Top 68%
×21story building
+280ft-26ft

Overall

4456

Females

1752

F25-29

428

12M→Finish

12.0 - 13.1 mi

Top 70%
×7story building
+14ft-89ft

Overall

4585

Females

1830

F25-29

454

Passing Analysis

Category:
Athletes Passed
515*
Passed By
1275
Net Change
-760
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3059
2M4M113225-112#3059#3171
4M6M117127-10#3171#3181
6M8M187*94+93#3181#3088
8M9.6M12261-249#3088#3337
9.6M10M5262-257#3337#3594
10M10.5M422-18#3594#3612
10.5M12M38*202-164#3612#3776
12MFinish39*82-43#3776#3819
TOTALS515*1275-760

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

📊

Passing Visuals

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
Share Feedback

Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events