San Francisco Marathon logo
SF MARATHON 1ST HALF 2025

Aaron Fan

San Jose, CA

Bib: 16600 M 21

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.81M
9:56/mi
17:59
→ flat
12 ft elev
5.34M
12:30/mi
1:02:07
↑ 80↓ 74
19 ft elev
6.15M
10:03/mi
1:10:15
↑ 1262.8%
149 ft elev
10.54M
11:37/mi
2:01:14
↑ 230↓ 3610.6%
20 ft elev
11.05M
15:13/mi
2:09:00
↑ 1726.4%
213 ft elev
Finish· 13.11 mi
11:41/mi
2:33:04
↑ 97↓ 1140.2%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Is this your race?

Claim it for a free AI report

A coach's-eye read of your race — emailed to you, free.

Half Splits

1st Half· via 6.15MFaster
Distance6.15 mi
Time1:10:15
Pace11:25 /mi
2nd Half
Distance6.96 mi
Time1:22:49
Pace11:54 /mi
📊Positive Split: 17.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi07:03:1817:599:5617:59
9:56
-
5.34M
5.34 mi07:47:261:02:0711:3844:08
12:30
+2:34
6.15M
6.15 mi07:55:341:10:1511:258:08
10:03
-2:27
10.54M
10.54 mi08:46:332:01:1411:3050:59
11:37
+1:34
11.05M
11.05 mi08:54:192:09:0011:407:46
15:13
+3:36
Finish
13.11 mi09:18:232:33:0411:4124:04
11:41
-3:32

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

9:56 /mi

Average Pace

11:41 /mi

Slowest Pace

15:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

26:07

17% of race

Time at Steady Pace

1:59:11

78% of race

Time at Slower Pace

7:46

5% of race

Average Pace: 11:41 /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...
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 mi07:03:1817:599:5617:59
9:56
#3781
5.34M
5.34 mi07:47:261:02:0711:3844:08
12:30
#5924
6.15M
6.15 mi07:55:341:10:1511:258:08
10:03
#5555
10.54M
10.54 mi08:46:332:01:1411:3050:59
11:37
#5296
11.05M
11.05 mi08:54:192:09:0011:407:46
15:13
#5220
Finish
13.11 mi09:18:232:33:0411:4124:04
11:41
#5095
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
1.81M1.81 mi1.81 mi3781249533237812495332
5.34M5.34 mi3.53 mi5924-21433506-1011417-8563903709429
6.15M6.15 mi0.81 mi5555+3693356+150407+1027821949286
10.54M10.54 mi4.39 mi5296+2593220+136391+1650143060376
11.05M11.05 mi0.51 mi5220+763183+37389+240862598335
Finish13.11 mi2.06 mi5095+1253101+82386+346482815362

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 53%
~flat
+4ft-3ft

Overall

3781

Males

2495

M20-24

332

1.81M→5.34M

1.8 - 5.3 mi

Top 90%
×4story building
+80ft-74ft

Overall

6390

Males

3709

M20-24

429

5.34M→6.15M

5.3 - 6.2 mi

Top 39%
×10story building
+126ft-4ft

Overall

2782

Males

1949

M20-24

286

6.15M→10.54M

6.2 - 10.5 mi

Top 71%
×21story building
+230ft-361ft

Overall

5014

Males

3060

M20-24

376

10.54M→11.05M

10.5 - 11.1 mi

Top 58%
×14story building
+172ft-0ft

Overall

4086

Males

2598

M20-24

335

11.05M→Finish

11.1 - 13.1 mi

Top 65%
×7story building
+97ft-114ft

Overall

4648

Males

2815

M20-24

362

Passing Analysis

Category:
Athletes Passed
926*
Passed By
2240
Net Change
-1314
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#3781
1.81M → 5.34M8*2151-2143#3781#5924
5.34M → 6.15M3701+369#5924#5555
6.15M → 10.54M310*51+259#5555#5296
10.54M → 11.05M9216+76#5296#5220
11.05M → Finish146*21+125#5220#5095
TOTALS926*2240-1314

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

Passing Charts

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