San Francisco Marathon logo
SF MARATHON 2ND HALF 2026

Alisa Lai

Bib: 23611•F•Age: 42

Castro Valley, CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 3840
Gender (Female)
#0 / 1760
Masters (Masters Women)
#0 / 365
Division (F40-44)
#0 / 116
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
9–292 ft
≈
×24story building
•▲ 548 ft climb · ▼ 587 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
11:21/mi
22:43
↑ 138↓ 680.7%
4M
12:00/mi
46:42
↑ 1631.4%
6M
14:06/mi
1:14:55
↑ 55↓ 830.3%
8M
8:54/mi
1:32:44
↑ 65↓ 1510.8%
10M
12:00/mi
1:56:43
↑ 61↓ 1741.1%
12M
12:57/mi
2:22:37
↑ 41↓ 530.1%
Finish· 13.11 mi
14:00/mi
2:38:09
→ flat

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
Time1:14:55
Pace12:29 /mi
2nd Half
Distance7.11 mi
Time1:23:14
Pace11:42 /mi
📊Positive Split: 11.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:00:5822:4311:2122:43
11:21
-
4M
4.00 mi09:24:5746:4211:4123:59
12:00
+0:39
6M
6.00 mi09:53:101:14:5512:2928:13
14:06
+2:06
8M
8.00 mi10:10:591:32:4411:3517:49
8:54
-5:12
10M
10.00 mi10:34:581:56:4311:4023:59
12:00
+3:06
12M
12.00 mi11:00:522:22:3711:5325:54
12:57
+0:57
Finish
13.11 mi11:16:242:38:0912:0415:32
14:00
+1:03

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

8:54 /mi

Average Pace

12:04 /mi

Slowest Pace

14:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

17:49

11% of race

Time at Steady Pace

1:10:41

45% of race

Time at Slower Pace

1:09:39

44% of race

Average Pace: 12:04 /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 mi09:00:5822:4311:2122:43
11:21
#3027
4M
4.00 mi09:24:5746:4211:4123:59
12:00
#3188
6M
6.00 mi09:53:101:14:5512:2928:13
14:06
#3112
8M
8.00 mi10:10:591:32:4411:3517:49
8:54
#3067
10M
10.00 mi10:34:581:56:4311:4023:59
12:00
#3009
12M
12.00 mi11:00:522:22:3711:5325:54
12:57
#2985
Finish
13.11 mi11:16:242:38:0912:0415:32
14:00
#3024
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
2M2.00 mi2.00 mi30271253842867(Top 75%)1200(Top 68%)77(Top 66%)
4M4.00 mi2.00 mi3188-1611354-10190-63268(Top 85%)1415(Top 80%)97(Top 84%)
6M6.00 mi2.00 mi3112+761305+4986+42980(Top 78%)1226(Top 70%)78(Top 67%)
8M8.00 mi2.00 mi3067+451275+3085+12897(Top 75%)1193(Top 68%)72(Top 62%)
10M10.00 mi2.00 mi3009+581253+2281+42776(Top 72%)1125(Top 64%)65(Top 56%)
12M12.00 mi2.00 mi2985+241242+1183-22867(Top 75%)1200(Top 68%)77(Top 66%)
Finish13.11 mi1.11 mi3024-391266-24833310(Top 86%)1462(Top 83%)97(Top 84%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 75%
×9story building
+138ft-68ft

Overall

2867

Females

1200

F40-44

77

2M→4M

2.0 - 4.0 mi

Top 85%
×13story building
+163ft-19ft

Overall

3268

Females

1415

F40-44

98

4M→6M

4.0 - 6.0 mi

Top 78%
×4story building
+55ft-83ft

Overall

2980

Females

1226

F40-44

79

6M→8M

6.0 - 8.0 mi

Top 75%
×10story building
+65ft-151ft

Overall

2897

Females

1193

F40-44

73

8M→10M

8.0 - 10.0 mi

Top 72%
×10story building
+61ft-174ft

Overall

2776

Females

1125

F40-44

65

10M→12M

10.0 - 12.0 mi

Top 75%
×3story building
+41ft-53ft

Overall

2867

Females

1200

F40-44

77

12M→Finish

12.0 - 13.1 mi

Top 86%
×1human
+6ft-6ft

Overall

3310

Females

1462

F40-44

97

Passing Analysis

Category:
Athletes Passed
317*
Passed By
314
Net Change
+3
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3027
2M → 4M40201-161#3027#3188
4M → 6M9923+76#3188#3112
6M → 8M58*13+45#3112#3067
8M → 10M73*15+58#3067#3009
10M → 12M3814+24#3009#2985
12M → Finish9*48-39#2985#3024
TOTALS317*314+3

* 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

Official Timing Data

The San Francisco Marathon

The San Francisco Marathon