San Francisco Marathon logo
SF MARATHON 1ST HALF 2026

Brendan Towell

Bib: 16156•M•Age: 26

Mountain View, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6575
Gender (Male)
#0 / 3619
Division (M25-29)
#0 / 796
Race Day Weather
59°/49°F
scattered clouds

⏱️ 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
2M
10:11/mi
20:23
→ flat
4M
10:25/mi
41:13
↑ 67↓ 69
6M
10:28/mi
1:02:09
↑ 1231.1%
8M
11:38/mi
1:25:26
↑ 166↓ 531.1%
9.6M
7:49/mi
1:37:56
↑ 68↓ 1931.5%
10M
19:34/mi
1:45:45
↓ 241.1%
10.5M
4:58/mi
1:48:14
↓ 732.7%
12M
17:09/mi
2:13:58
↑ 2803.2%
Finish· 13.11 mi
10:41/mi
2:25:49
↑ 14↓ 891.3%

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
Time1:02:09
Pace10:22 /mi
2nd Half
Distance7.11 mi
Time1:23:40
Pace11:46 /mi
📊Positive Split: 34.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:03:3020:2310:1120:23
10:11
-
4M
4.00 mi07:24:2041:1310:1820:50
10:25
+0:14
6M
6.00 mi07:45:161:02:0910:2220:56
10:28
+0:03
8M
8.00 mi08:08:331:25:2610:4123:17
11:38
+1:10
9.6M
9.60 mi08:21:031:37:5610:1212:30
7:49
-3:49
10M
10.00 mi08:28:521:45:4510:357:49
19:34
+11:45
10.5M
10.50 mi08:31:211:48:1410:182:29
4:58
-14:36
12M
12.00 mi08:57:052:13:5811:1025:44
17:09
+12:11
Finish
13.11 mi09:08:562:25:4911:0711:51
10:41
-6:28

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

4:58 /mi

Average Pace

11:07 /mi

Slowest Pace

19:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

14:59

10% of race

Time at Steady Pace

1:37:17

67% of race

Time at Slower Pace

33:33

23% of race

Average Pace: 11:07 /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 mi07:03:3020:2310:1120:23
10:11
#3359
4M
4.00 mi07:24:2041:1310:1820:50
10:25
#3384
6M
6.00 mi07:45:161:02:0910:2220:56
10:28
#3305
8M
8.00 mi08:08:331:25:2610:4123:17
11:38
#3544
9.6M
9.60 mi08:21:031:37:5610:1212:30
7:49
#3115
10M
10.00 mi08:28:521:45:4510:357:49
19:34
#3101
10.5M
10.50 mi08:31:211:48:1410:182:29
4:58
#3097
12M
12.00 mi08:57:052:13:5811:1025:44
17:09
#3488
Finish
13.11 mi09:08:562:25:4911:0711:51
10:41
#3480
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 48%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:18

Segment Time

11:27/mi

Pace

0.90 mi

Distance

Overall

3137

Men

2078

Division

485

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi335922355044944(Top 75%)2898(Top 80%)657(Top 83%)
4M4.00 mi2.00 mi3384-252256-21521-173405(Top 52%)2273(Top 63%)527(Top 66%)
6M6.00 mi2.00 mi3305+792221+35518+33248(Top 49%)2188(Top 60%)520(Top 65%)
8M8.00 mi2.00 mi3544-2392347-126550-324216(Top 64%)2692(Top 74%)606(Top 76%)
9.6M9.60 mi1.60 mi3115+4292120+227507+431352(Top 21%)894(Top 25%)208(Top 26%)
10M10.00 mi0.40 mi3101+142098+22498+93254(Top 49%)2129(Top 59%)490(Top 62%)
10.5M10.50 mi0.50 mi3097+42093+54983094(Top 47%)2056(Top 57%)496(Top 62%)
12M12.00 mi1.50 mi3488-3912302-209541-434944(Top 75%)2898(Top 80%)657(Top 83%)
Finish13.11 mi1.11 mi3480+82289+13539+23684(Top 56%)2322(Top 64%)546(Top 69%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 75%
~flat
+5ft-3ft

Overall

4944

Males

2898

M25-29

658

2M→4M

2.0 - 4.0 mi

Top 52%
×4story building
+67ft-69ft

Overall

3405

Males

2273

M25-29

528

4M→6M

4.0 - 6.0 mi

Top 49%
×9story building
+123ft-9ft

Overall

3248

Males

2188

M25-29

521

6M→8M

6.0 - 8.0 mi

Top 64%
×12story building
+166ft-53ft

Overall

4216

Males

2692

M25-29

607

8M→9.6M

8.0 - 9.6 mi

Top 21%
×13story building
+68ft-193ft

Overall

1352

Males

894

M25-29

208

9.6M→10M

9.6 - 10.0 mi

Top 49%
×2story building
+0ft-24ft

Overall

3254

Males

2129

M25-29

491

10M→10.5M

10.0 - 10.5 mi

Top 47%
×6story building
+1ft-73ft

Overall

3094

Males

2056

M25-29

497

10.5M→12M

10.5 - 12.0 mi

Top 75%
×21story building
+280ft-26ft

Overall

4944

Males

2898

M25-29

658

12M→Finish

12.0 - 13.1 mi

Top 56%
×7story building
+14ft-89ft

Overall

3684

Males

2322

M25-29

546

Passing Analysis

Category:
Athletes Passed
908*
Passed By
1029
Net Change
-121
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3359
2M → 4M158183-25#3359#3384
4M → 6M15273+79#3384#3305
6M → 8M50*289-239#3305#3544
8M → 9.6M4323+429#3544#3115
9.6M → 10M5137+14#3115#3101
10M → 10.5M106+4#3101#3097
10.5M → 12M7398-391#3097#3488
12M → Finish48*40+8#3488#3480
TOTALS908*1029-121

* 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