Sarina Li

SF, CA

Bib: 26051 F 21

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 3840
Gender (Female)
#0 / 1760
F20-29
#0 / 218
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
48 ft elev
2M
10:41/mi
21:23
138680.7%
122 ft elev
4M
10:15/mi
41:52
1631.4%
280 ft elev
6M
13:29/mi
1:08:50
55830.3%
247 ft elev
8M
8:34/mi
1:25:59
651510.8%
143 ft elev
10M
11:46/mi
1:49:31
611741.1%
25 ft elev
12M
13:20/mi
2:16:11
41530.1%
12 ft elev
Finish· 13.11 mi
13:25/mi
2:31:04
→ flat
11 ft elev
Course Elevation
9292 ft
×24story building
548 ft climb · 587 ft descent

The Course

Half Splits

1st Half· via 6M
1:08:5011:28 /mi⚡ faster
2nd Half
1:22:1411:34 /mi+19.5%
Positive split — 19.5% 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
21:2310:412.00 mi21:23
10:41
-
4M
41:5210:282.00 mi20:29
10:15
-0:26
6M
1:08:5011:282.00 mi26:58
13:29
+3:14
8M
1:25:5910:452.00 mi17:09
8:34
-4:55
10M
1:49:3110:572.00 mi23:32
11:46
+3:12
12M
2:16:1111:212.00 mi26:40
13:20
+1:34
Finish(13.11 mi)
2:31:0411:311.11 mi14:53
13:25
+0:05
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:34 /mi

Average Pace

11:31 /mi

Slowest Pace

13:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

59:01

39% of race

Time at Steady Pace

23:32

16% of race

Time at Slower Pace

1:08:31

45% of race

Average Pace: 11:31 /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. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi2589100114729961270170
4M2.00 mi2532+57973+28137+102513968135
6M2.00 mi2597-651013-40142-526881058149
8M2.00 mi2624-271022-9144-227081086149
10M2.00 mi2627-31024-2145-126481052142
12M2.00 mi2729-1021094-70153-829961270170
Finish(13.11 mi)1.11 mi2783-541131-37155-231731380178

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 78%
×9story building
+138ft-68ft

Overall

2996

Females

1270

F20-24

170

2M→4M

2.0 - 4.0 mi

Top 65%
×13story building
+163ft-19ft

Overall

2513

Females

968

F20-24

135

4M→6M

4.0 - 6.0 mi

Top 70%
×4story building
+55ft-83ft

Overall

2688

Females

1058

F20-24

149

6M→8M

6.0 - 8.0 mi

Top 71%
×10story building
+65ft-151ft

Overall

2708

Females

1086

F20-24

149

8M→10M

8.0 - 10.0 mi

Top 69%
×10story building
+61ft-174ft

Overall

2648

Females

1052

F20-24

142

10M→12M

10.0 - 12.0 mi

Top 78%
×3story building
+41ft-53ft

Overall

2996

Females

1270

F20-24

170

12M→Finish

12.0 - 13.1 mi

Top 83%
×1human
+6ft-6ft

Overall

3173

Females

1380

F20-24

178

Passing Analysis

Category:
Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#2589
2M4M
79136+57
#2589 #2532
4M6M
10035-65
#2532 #2597
6M8M
5023-27
#2597 #2624
8M10M
3027*-3
#2624 #2627
10M12M
11614-102
#2627 #2729
12MFinish
6612*-54
#2729 #2783
TOTALS
441247*-194
#2589 #2783

* 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

Official Timing Data

The San Francisco Marathon

The San Francisco Marathon