San Francisco Marathon logo
SF MARATHON 1ST HALF 2026

Brian Kirby

Mountain View, CA

Bib: 12375 M 41

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 6575
Gender (Male)
#0 / 3619
Masters (Masters Men)
#0 / 1030
Division (M40-44)
#0 / 319
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
9:53/mi
19:46
→ flat
4M
10:33/mi
40:52
↑ 67↓ 69
6M
10:58/mi
1:02:48
↑ 123
8M
11:59/mi
1:26:46
↑ 166↓ 53
9.6M
11:59/mi
1:45:57
↑ 68↓ 193
10M
22:27/mi
1:54:55
↓ 24
10.5M
5:28/mi
1:57:39
↓ 73
12M
18:07/mi
2:24:49
↑ 280
Finish· 13.11 mi
12:15/mi
2:38:24
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:02:4810:28 /mi⚡ faster
2nd Half
1:35:3613:27 /mi+52.2%
Positive split — 52.2% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2M
19:469:532.00 mi19:46
9:53
-
4M
40:5210:132.00 mi21:06
10:33
+0:40
6M
1:02:4810:282.00 mi21:56
10:58
+0:25
8M
1:26:4610:512.00 mi23:58
11:59
+1:01
9.6M
1:45:5711:021.60 mi19:11
11:59
0:00
10M
1:54:5511:300.40 mi8:58
22:27
+10:28
10.5M
1:57:3911:120.50 mi2:44
5:28
-16:59
12M
2:24:4912:041.50 mi27:10
18:07
+12:39
Finish(13.11 mi)
2:38:2412:051.11 mi13:35
12:15
-5:52
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

5:28 /mi

Average Pace

12:05 /mi

Slowest Pace

22:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:44

2% of race

Time at Steady Pace

1:59:32

75% of race

Time at Slower Pace

36:08

23% of race

Average Pace: 12:05 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower
Featured Segment

Garmin Challenge

Top 70%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:42

Segment Time

13:00/mi

Pace

0.90 mi

Distance

Overall

4573

Men

2751

Division

234

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
2M2.00 mi2834195316354923142270
4M2.00 mi3229-3952171-218180-1736352389199
6M2.00 mi3440-2112282-111185-538582499202
8M2.00 mi3764-3242465-183202-1745542871247
9.6M1.60 mi4194-4302667-202225-2358223305287
10M0.40 mi4240-462681-14226-147272824241
10.5M0.50 mi4241-12678+3225+143252685225
12M1.50 mi4580-3392827-149236-1154923142270
Finish(13.11 mi)1.11 mi4616-362838-11238-250872941248

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 84%
~flat
+5ft-3ft

Overall

5492

Males

3142

M40-44

270

2M→4M

2.0 - 4.0 mi

Top 55%
×4story building
+67ft-69ft

Overall

3635

Males

2389

M40-44

199

4M→6M

4.0 - 6.0 mi

Top 59%
×9story building
+123ft-9ft

Overall

3858

Males

2499

M40-44

202

6M→8M

6.0 - 8.0 mi

Top 69%
×12story building
+166ft-53ft

Overall

4554

Males

2871

M40-44

247

8M→9.6M

8.0 - 9.6 mi

Top 89%
×13story building
+68ft-193ft

Overall

5822

Males

3305

M40-44

287

9.6M→10M

9.6 - 10.0 mi

Top 72%
×2story building
+0ft-24ft

Overall

4727

Males

2824

M40-44

241

10M→10.5M

10.0 - 10.5 mi

Top 66%
×6story building
+1ft-73ft

Overall

4325

Males

2685

M40-44

225

10.5M→12M

10.5 - 12.0 mi

Top 84%
×21story building
+280ft-26ft

Overall

5492

Males

3142

M40-44

270

12M→Finish

12.0 - 13.1 mi

Top 77%
×7story building
+14ft-89ft

Overall

5087

Males

2941

M40-44

248

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#2834
2M → 4M
45257-395
#2834 → #3229
4M → 6M
26958-211
#3229 → #3440
6M → 8M
35127*-324
#3440 → #3764
8M → 9.6M
4311-430
#3764 → #4194
9.6M → 10M
8236-46
#4194 → #4240
10M → 10.5M
109-1
#4240 → #4241
10.5M → 12M
36122*-339
#4241 → #4580
12M → Finish
8145*-36
#4580 → #4616
TOTALS
2037255*-1782
#2834 → #4616

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

Passing Visualized

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