San Francisco Marathon logo
SF MARATHON 2ND HALF 2026

Matthew Siri

Bib: 23157•M•Age: 40

Foster City, CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 3840
Top 22%
Gender (Male)
#0 / 2065
Top 30%
Masters (Masters Men)
#0 / 555
Top 23%
Division (M40-44)
#0 / 200
Top 26%
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
8:22/mi
16:45
↑ 138↓ 680.7%
4M
8:09/mi
33:02
↑ 1631.4%
6M
10:45/mi
54:32
↑ 55↓ 830.3%
8M
7:03/mi
1:08:39
↑ 65↓ 1510.8%
10M
8:56/mi
1:26:30
↑ 61↓ 1741.1%
12M
8:51/mi
1:44:13
↑ 41↓ 530.1%
Finish· 13.11 mi
8:20/mi
1:53:28
→ 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
Time54:32
Pace9:05 /mi
2nd Half
Distance7.11 mi
Time58:56
Pace8:17 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:59:0316:458:2216:45
8:22
-
4M
4.00 mi09:15:2033:028:1616:17
8:09
-0:13
6M
6.00 mi09:36:5054:329:0521:30
10:45
+2:36
8M
8.00 mi09:50:571:08:398:3514:07
7:03
-3:42
10M
10.00 mi10:08:481:26:308:3917:51
8:56
+1:53
12M
12.00 mi10:26:311:44:138:4117:43
8:51
-0:05
Finish
13.11 mi10:35:461:53:288:399:15
8:20
-0:31

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

7:03 /mi

Average Pace

8:39 /mi

Slowest Pace

10:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

14:07

12% of race

Time at Steady Pace

1:00:00

53% of race

Time at Slower Pace

39:21

35% of race

Average Pace: 8:39 /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 mi08:59:0316:458:2216:45
8:22
#665
4M
4.00 mi09:15:2033:028:1616:17
8:09
#798
6M
6.00 mi09:36:5054:329:0521:30
10:45
#869
8M
8.00 mi09:50:571:08:398:3514:07
7:03
#958
10M
10.00 mi10:08:481:26:308:3917:51
8:56
#939
12M
12.00 mi10:26:311:44:138:4117:43
8:51
#866
Finish
13.11 mi10:35:461:53:288:399:15
8:20
#826
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
2M2.00 mi2.00 mi66551447668(Top 17%)499(Top 24%)41(Top 21%)
4M4.00 mi2.00 mi798-133601-8754-7914(Top 24%)666(Top 32%)55(Top 28%)
6M6.00 mi2.00 mi869-71644-4356-21039(Top 27%)751(Top 36%)60(Top 30%)
8M8.00 mi2.00 mi958-89694-5058-21393(Top 36%)956(Top 46%)80(Top 40%)
10M10.00 mi2.00 mi939+19683+1158891(Top 23%)656(Top 32%)53(Top 27%)
12M12.00 mi2.00 mi866+73639+4453+5668(Top 17%)499(Top 24%)41(Top 21%)
Finish13.11 mi1.11 mi826+40616+2351+2592(Top 15%)447(Top 22%)34(Top 17%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 17%
×9story building
+138ft-68ft

Overall

668

Males

499

M40-44

41

2M→4M

2.0 - 4.0 mi

Top 24%
×13story building
+163ft-19ft

Overall

914

Males

666

M40-44

55

4M→6M

4.0 - 6.0 mi

Top 27%
×4story building
+55ft-83ft

Overall

1039

Males

751

M40-44

61

6M→8M

6.0 - 8.0 mi

Top 36%
×10story building
+65ft-151ft

Overall

1393

Males

956

M40-44

80

8M→10M

8.0 - 10.0 mi

Top 23%
×10story building
+61ft-174ft

Overall

891

Males

656

M40-44

53

10M→12M

10.0 - 12.0 mi

Top 17%
×3story building
+41ft-53ft

Overall

668

Males

499

M40-44

41

12M→Finish

12.0 - 13.1 mi

Top 15%
×1human
+6ft-6ft

Overall

592

Males

447

M40-44

34

Passing Analysis

Category:
Athletes Passed
175*
Passed By
336
Net Change
-161
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#665
2M → 4M11144-133#665#798
4M → 6M677-71#798#869
6M → 8M695-89#869#958
8M → 10M34*15+19#958#939
10M → 12M763+73#939#866
12M → Finish422+40#866#826
TOTALS175*336-161

* 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