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SF MARATHON 1ST HALF 2026

Tammy Gu

Bib: 17576•F•Age: 30

SF, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F30-34)
#0 / 651
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
11:12/mi
22:24
→ flat
4M
11:05/mi
44:33
↑ 67↓ 69
6M
11:05/mi
1:06:44
↑ 1231.1%
8M
12:23/mi
1:31:30
↑ 166↓ 531.1%
9.6M
8:36/mi
1:45:15
↑ 68↓ 1931.5%
10M
22:09/mi
1:54:06
↓ 241.1%
10.5M
5:34/mi
1:56:53
↓ 732.7%
12M
-26:-12/mi
1:19:05
↑ 2803.2%
Finish· 13.11 mi
67:23/mi
2:33:49
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:06:44
Pace11:07 /mi
2nd Half
Distance7.11 mi
Time1:27:05
Pace12:15 /mi
📊Positive Split: 30.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:08:4922:2411:1222:24
11:12
-
4M
4.00 mi07:30:5844:3311:0822:09
11:05
-0:07
6M
6.00 mi07:53:091:06:4411:0722:11
11:05
0:00
8M
8.00 mi08:17:551:31:3011:2624:46
12:23
+1:18
9.6M
9.60 mi08:31:401:45:1510:5813:45
8:36
-3:47
10M
10.00 mi08:40:311:54:0611:258:51
22:09
+13:33
10.5M
10.50 mi08:43:181:56:5311:082:47
5:34
-16:35
12M
12.00 mi08:05:301:19:056:35
-26:-12
-31:46
Finish
13.11 mi09:20:142:33:4911:441:14:44
67:23
+93:35

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

-27:-12 /mi

Average Pace

11:44 /mi

Slowest Pace

67:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:49

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:44 /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 mi07:08:4922:2411:1222:24
11:12
#5032
4M
4.00 mi07:30:5844:3311:0822:09
11:05
#4613
6M
6.00 mi07:53:091:06:4411:0722:11
11:05
#4369
8M
8.00 mi08:17:551:31:3011:2624:46
12:23
#4531
9.6M
9.60 mi08:31:401:45:1510:5813:45
8:36
#4105
10M
10.00 mi08:40:311:54:0611:258:51
22:09
#4131
10.5M
10.50 mi08:43:181:56:5311:082:47
5:34
#4133
12M
12.00 mi08:05:301:19:056:35
-26:-12
#34
Finish
13.11 mi09:20:142:33:4911:441:14:44
67:23
#4189
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 69%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:38

Segment Time

12:56/mi

Pace

0.90 mi

Distance

Overall

4507

Women

1769

Division

415

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi50321972451---
4M4.00 mi2.00 mi4613+4191719+253398+534314(Top 66%)1576(Top 54%)361(Top 55%)
6M6.00 mi2.00 mi4369+2441595+124368+304003(Top 61%)1422(Top 49%)334(Top 51%)
8M8.00 mi2.00 mi4531-1621663-68387-194940(Top 75%)1879(Top 64%)437(Top 67%)
9.6M9.60 mi1.60 mi4105+4261462+201343+442230(Top 34%)761(Top 26%)160(Top 25%)
10M10.00 mi0.40 mi4131-261484-22348-54601(Top 70%)1820(Top 62%)421(Top 65%)
10.5M10.50 mi0.50 mi4133-21487-33484559(Top 69%)1757(Top 60%)396(Top 61%)
12M12.00 mi1.50 mi34+40996+14811+347---
Finish13.11 mi1.11 mi4189-41551547-1541360-3596570(Top 100%)2928(Top 100%)651(Top 100%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

~flat
+5ft-3ft

Overall

-

Females

-

F30-34

-

2M→4M

2.0 - 4.0 mi

Top 66%
×4story building
+67ft-69ft

Overall

4314

Females

1576

F30-34

364

4M→6M

4.0 - 6.0 mi

Top 61%
×9story building
+123ft-9ft

Overall

4003

Females

1422

F30-34

336

6M→8M

6.0 - 8.0 mi

Top 75%
×12story building
+166ft-53ft

Overall

4940

Females

1879

F30-34

439

8M→9.6M

8.0 - 9.6 mi

Top 34%
×13story building
+68ft-193ft

Overall

2230

Females

761

F30-34

161

9.6M→10M

9.6 - 10.0 mi

Top 70%
×2story building
+0ft-24ft

Overall

4601

Females

1820

F30-34

423

10M→10.5M

10.0 - 10.5 mi

Top 69%
×6story building
+1ft-73ft

Overall

4559

Females

1757

F30-34

398

10.5M→12M

10.5 - 12.0 mi

×21story building
+280ft-26ft

Overall

-

Females

-

F30-34

-

12M→Finish

12.0 - 13.1 mi

Top 100%
×7story building
+14ft-89ft

Overall

6570

Females

2928

F30-34

651

Passing Analysis

Category:
Athletes Passed
5442*
Passed By
4599
Net Change
+843
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5032
2M → 4M45637+419#5032#4613
4M → 6M292*48+244#4613#4369
6M → 8M101*263-162#4369#4531
8M → 9.6M43812+426#4531#4105
9.6M → 10M3965-26#4105#4131
10M → 10.5M1012-2#4131#4133
10.5M → 12M4099*0+4099#4133#34
12M → Finish7*4162-4155#34#4189
TOTALS5442*4599+843

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

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events