San Francisco Marathon logo
SF MARATHON 1ST HALF 2025

Eric Lau

Bib: 19850•M•Age: 24

San Leandro, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 7100
Gender (Male)
#0 / 3977
M20-29
#0 / 437
Race Day Weather
56°/46°F
light rain

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.81M
10:37/mi
19:13
→ flat
5.34M
11:31/mi
59:54
↑ 80↓ 74
6.15M
10:37/mi
1:08:30
↑ 1262.8%
10.54M
11:46/mi
2:00:10
↑ 230↓ 3610.6%
11.05M
15:47/mi
2:08:13
↑ 1726.4%
Finish· 13.11 mi
15:18/mi
2:39:44
↑ 97↓ 1140.2%

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 6.15MFaster
Distance6.15 mi
Time1:08:30
Pace11:08 /mi
2nd Half
Distance6.96 mi
Time1:31:14
Pace13:07 /mi
📊Positive Split: 33.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi07:04:1719:1310:3719:13
10:37
-
5.34M
5.34 mi07:44:5859:5411:1340:41
11:31
+0:54
6.15M
6.15 mi07:53:341:08:3011:088:36
10:37
-0:54
10.54M
10.54 mi08:45:142:00:1011:2451:40
11:46
+1:09
11.05M
11.05 mi08:53:172:08:1311:368:03
15:47
+4:01
Finish
13.11 mi09:24:482:39:4412:1131:31
15:18
-0:29

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

10:37 /mi

Average Pace

12:11 /mi

Slowest Pace

15:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

27:49

17% of race

Time at Steady Pace

1:32:21

58% of race

Time at Slower Pace

39:34

25% of race

Average Pace: 12:11 /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
1.81M
1.81 mi07:04:1719:1310:3719:13
10:37
#5121
5.34M
5.34 mi07:44:5859:5411:1340:41
11:31
#5504
6.15M
6.15 mi07:53:341:08:3011:088:36
10:37
#5224
10.54M
10.54 mi08:45:142:00:1011:2451:40
11:46
#5188
11.05M
11.05 mi08:53:172:08:1311:368:03
15:47
#5132
Finish
13.11 mi09:24:482:39:4412:1131:31
15:18
#5618
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
1.81M1.81 mi1.81 mi512131503885121(Top 72%)3150(Top 79%)388(Top 89%)
5.34M5.34 mi3.53 mi5504-3833328-178403-155628(Top 79%)3367(Top 85%)408(Top 93%)
6.15M6.15 mi0.81 mi5224+2803200+128397+63607(Top 51%)2401(Top 60%)336(Top 77%)
10.54M10.54 mi4.39 mi5188+363166+34386+115179(Top 73%)3139(Top 79%)382(Top 87%)
11.05M11.05 mi0.51 mi5132+563144+223864446(Top 63%)2765(Top 70%)351(Top 80%)
Finish13.11 mi2.06 mi5618-4863337-193408-226671(Top 94%)3756(Top 94%)426(Top 97%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 72%
~flat
+4ft-3ft

Overall

5121

Males

3150

M20-24

388

1.81M→5.34M

1.8 - 5.3 mi

Top 79%
×4story building
+80ft-74ft

Overall

5628

Males

3367

M20-24

408

5.34M→6.15M

5.3 - 6.2 mi

Top 51%
×10story building
+126ft-4ft

Overall

3607

Males

2401

M20-24

336

6.15M→10.54M

6.2 - 10.5 mi

Top 73%
×21story building
+230ft-361ft

Overall

5179

Males

3139

M20-24

382

10.54M→11.05M

10.5 - 11.1 mi

Top 63%
×14story building
+172ft-0ft

Overall

4446

Males

2765

M20-24

351

11.05M→Finish

11.1 - 13.1 mi

Top 94%
×7story building
+97ft-114ft

Overall

6671

Males

3756

M20-24

426

Passing Analysis

Category:
Athletes Passed
687*
Passed By
1184
Net Change
-497
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#5121
1.81M → 5.34M140*523-383#5121#5504
5.34M → 6.15M2822+280#5504#5224
6.15M → 10.54M181*145+36#5224#5188
10.54M → 11.05M6913+56#5188#5132
11.05M → Finish15*501-486#5132#5618
TOTALS687*1184-497

* 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

Race Place Events

Race Place Events