San Francisco Marathon logo
SF MARATHON 2ND HALF 2026

Alec Zettel

Bib: 26583•M•Age: 23

Mountain View, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 3840
Top 41%
Gender (Male)
#0 / 2065
M20-29
#0 / 190
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
9:00/mi
18:00
↑ 138↓ 680.7%
4M
8:28/mi
34:56
↑ 1631.4%
6M
11:11/mi
57:18
↑ 55↓ 830.3%
8M
7:21/mi
1:12:01
↑ 65↓ 1510.8%
10M
10:39/mi
1:33:19
↑ 61↓ 1741.1%
12M
11:16/mi
1:55:52
↑ 41↓ 530.1%
Finish· 13.11 mi
9:58/mi
2:06:55
→ 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
Time57:18
Pace9:33 /mi
2nd Half
Distance7.11 mi
Time1:09:37
Pace9:48 /mi
📊Positive Split: 21.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:09:1518:009:0018:00
9:00
-
4M
4.00 mi09:26:1134:568:4416:56
8:28
-0:32
6M
6.00 mi09:48:3357:189:3322:22
11:11
+2:43
8M
8.00 mi10:03:161:12:019:0014:43
7:21
-3:50
10M
10.00 mi10:24:341:33:199:2021:18
10:39
+3:18
12M
12.00 mi10:47:071:55:529:3922:33
11:16
+0:37
Finish
13.11 mi10:58:102:06:559:4111:03
9:58
-1:18

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

7:21 /mi

Average Pace

9:41 /mi

Slowest Pace

11:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

49:39

39% of race

Time at Steady Pace

32:21

25% of race

Time at Slower Pace

44:55

35% of race

Average Pace: 9:41 /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
2M
2.00 mi09:09:1518:009:0018:00
9:00
#1197
4M
4.00 mi09:26:1134:568:4416:56
8:28
#1189
6M
6.00 mi09:48:3357:189:3322:22
11:11
#1252
8M
8.00 mi10:03:161:12:019:0014:43
7:21
#1310
10M
10.00 mi10:24:341:33:199:2021:18
10:39
#1490
12M
12.00 mi10:47:071:55:529:3922:33
11:16
#1593
Finish
13.11 mi10:58:102:06:559:4111:03
9:58
#1570
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi2.00 mi1197852752062(Top 54%)1281(Top 62%)125(Top 66%)
4M4.00 mi2.00 mi1189+8838+1476-11208(Top 31%)843(Top 41%)78(Top 41%)
6M6.00 mi2.00 mi1252-63875-3778-21318(Top 34%)919(Top 45%)85(Top 45%)
8M8.00 mi2.00 mi1310-58912-3784-61677(Top 44%)1117(Top 54%)117(Top 62%)
10M10.00 mi2.00 mi1490-1801024-11299-152001(Top 52%)1289(Top 62%)126(Top 66%)
12M12.00 mi2.00 mi1593-1031069-45102-32062(Top 54%)1281(Top 62%)125(Top 66%)
Finish13.11 mi1.11 mi1570+231048+211021548(Top 40%)1013(Top 49%)101(Top 53%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 54%
×9story building
+138ft-68ft

Overall

2062

Males

1281

M20-24

126

2M→4M

2.0 - 4.0 mi

Top 31%
×13story building
+163ft-19ft

Overall

1208

Males

843

M20-24

78

4M→6M

4.0 - 6.0 mi

Top 34%
×4story building
+55ft-83ft

Overall

1318

Males

919

M20-24

86

6M→8M

6.0 - 8.0 mi

Top 44%
×10story building
+65ft-151ft

Overall

1677

Males

1117

M20-24

117

8M→10M

8.0 - 10.0 mi

Top 52%
×10story building
+61ft-174ft

Overall

2001

Males

1289

M20-24

127

10M→12M

10.0 - 12.0 mi

Top 54%
×3story building
+41ft-53ft

Overall

2062

Males

1281

M20-24

126

12M→Finish

12.0 - 13.1 mi

Top 40%
×1human
+6ft-6ft

Overall

1548

Males

1013

M20-24

101

Passing Analysis

Category:
Athletes Passed
168*
Passed By
541
Net Change
-373
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1197
2M → 4M8678+8#1197#1189
4M → 6M1780-63#1189#1252
6M → 8M1169-58#1252#1310
8M → 10M7*187-180#1310#1490
10M → 12M9112-103#1490#1593
12M → Finish38*15+23#1593#1570
TOTALS168*541-373

* 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