San Francisco Marathon logo
SF MARATHON 1ST HALF 2026

Jacob Blum

Menlo Park, CA

Bib: 15584 M 27

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6575
Top 49%
Gender (Male)
#0 / 3619
Division (M25-29)
#0 / 796
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
9:45/mi
19:31
→ flat
4M
9:46/mi
39:03
↑ 67↓ 69
6M
10:50/mi
1:00:43
↑ 123
8M
10:46/mi
1:22:16
↑ 166↓ 53
9.6M
8:39/mi
1:36:06
↑ 68↓ 193
10.26M
17:57/mi
1:47:57
↓ 114
10.5M
10:42/mi
1:50:31
→ flat
12M
14:19/mi
2:12:00
↑ 280
Finish· 13.11 mi
9:43/mi
2:22:47
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:00:4310:07 /mi⚡ faster
2nd Half
1:22:0411:33 /mi+35.2%
Positive split — 35.2% 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
19:319:452.00 mi19:31
9:45
-
4M
39:039:462.00 mi19:32
9:46
+0:01
6M
1:00:4310:072.00 mi21:40
10:50
+1:04
8M
1:22:1610:172.00 mi21:33
10:46
-0:04
9.6M
1:36:0610:011.60 mi13:50
8:39
-2:07
10.26M
1:47:5710:310.66 mi11:51
17:57
+9:18
10.5M
1:50:3110:320.24 mi2:34
10:42
-7:15
12M
2:12:0011:001.50 mi21:29
14:19
+3:37
Finish(13.11 mi)
2:22:4710:541.11 mi10:47
9:43
-4:36
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:39 /mi

Average Pace

10:54 /mi

Slowest Pace

17:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

13:50

10% of race

Time at Steady Pace

1:35:37

67% of race

Time at Slower Pace

33:20

23% of race

Average Pace: 10:53 /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 92%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

14:25

Segment Time

16:01/mi

Pace

0.90 mi

Distance

Overall

6079

Men

3392

Division

757

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2663186043030051981470
4M2.00 mi2520+1431774+86416+1424921760421
6M2.00 mi2939-4192015-241479-6336942424573
8M2.00 mi3026-872090-75487-832742222513
9.6M1.60 mi2844+1821957+133462+2522931498368
10.26M0.66 mi3376-5322250-293529-6763473503776
10.5M0.24 mi3372+42250527+235402296545
12M1.50 mi3289+832193+57518+930051981470
Finish(13.11 mi)1.11 mi3206+832146+47511+725241721407

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 46%
~flat
+5ft-3ft

Overall

3005

Males

1981

M25-29

471

2M→4M

2.0 - 4.0 mi

Top 38%
×4story building
+67ft-69ft

Overall

2492

Males

1760

M25-29

421

4M→6M

4.0 - 6.0 mi

Top 56%
×9story building
+123ft-9ft

Overall

3694

Males

2424

M25-29

574

6M→8M

6.0 - 8.0 mi

Top 50%
×12story building
+166ft-53ft

Overall

3274

Males

2222

M25-29

514

8M→9.6M

8.0 - 9.6 mi

Top 35%
×13story building
+68ft-193ft

Overall

2293

Males

1498

M25-29

368

9.6M→10.26M

9.6 - 10.3 mi

Top 97%
×9story building
+0ft-114ft

Overall

6347

Males

3503

M25-29

777

10.26M→10.5M

10.3 - 10.5 mi

Top 54%
~flat
+1ft-0ft

Overall

3540

Males

2296

M25-29

546

10.5M→12M

10.5 - 12.0 mi

Top 46%
×21story building
+280ft-26ft

Overall

3005

Males

1981

M25-29

471

12M→Finish

12.0 - 13.1 mi

Top 38%
×7story building
+14ft-89ft

Overall

2524

Males

1721

M25-29

407

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#2663
2M → 4M
65208+143
#2663 → #2520
4M → 6M
43011-419
#2520 → #2939
6M → 8M
191104*-87
#2939 → #3026
8M → 9.6M
69251+182
#3026 → #2844
9.6M → 10.26M
5331-532
#2844 → #3376
10.26M → 10.5M
711+4
#3376 → #3372
10.5M → 12M
41124+83
#3372 → #3289
12M → Finish
992*+83
#3289 → #3206
TOTALS
1345802*-543
#2663 → #3206

* 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