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SF MARATHON 1ST HALF 2026

Katherine Duenas

Bib: 19065•F•Age: 41

San Jose, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Masters (Masters Women)
#0 / 781
Division (F40-44)
#0 / 255
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
13:01/mi
26:02
→ flat
4M
14:10/mi
54:21
↑ 67↓ 69
6M
14:00/mi
1:22:22
↑ 1231.1%
8M
15:35/mi
1:53:33
↑ 166↓ 531.1%
9.6M
11:18/mi
2:11:38
↑ 68↓ 1931.5%
10M
28:47/mi
2:23:08
↓ 241.1%
10.5M
7:24/mi
2:26:50
↓ 732.7%
12M
21:01/mi
2:58:22
↑ 2803.2%
Finish· 13.11 mi
15:23/mi
3:15:26
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:22:22
Pace13:44 /mi
2nd Half
Distance7.11 mi
Time1:53:04
Pace15:54 /mi
📊Positive Split: 37.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:13:2926:0213:0126:02
13:01
-
4M
4.00 mi07:41:4854:2113:3528:19
14:10
+1:09
6M
6.00 mi08:09:491:22:2213:4428:01
14:00
-0:10
8M
8.00 mi08:41:001:53:3314:1231:11
15:35
+1:35
9.6M
9.60 mi08:59:052:11:3813:4318:05
11:18
-4:17
10M
10.00 mi09:10:352:23:0814:1911:30
28:47
+17:29
10.5M
10.50 mi09:14:172:26:5013:593:42
7:24
-21:23
12M
12.00 mi09:45:492:58:2214:5231:32
21:01
+13:37
Finish
13.11 mi10:02:533:15:2614:5417:04
15:23
-5:38

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

7:24 /mi

Average Pace

14:54 /mi

Slowest Pace

28:47 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:42

2% of race

Time at Steady Pace

2:28:42

76% of race

Time at Slower Pace

43:02

22% of race

Average Pace: 14:54 /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 mi07:13:2926:0213:0126:02
13:01
#6417
4M
4.00 mi07:41:4854:2113:3528:19
14:10
#6457
6M
6.00 mi08:09:491:22:2213:4428:01
14:00
#6397
8M
8.00 mi08:41:001:53:3314:1231:11
15:35
#6418
9.6M
9.60 mi08:59:052:11:3813:4318:05
11:18
#6379
10M
10.00 mi09:10:352:23:0814:1911:30
28:47
#6390
10.5M
10.50 mi09:14:172:26:5013:593:42
7:24
#6387
12M
12.00 mi09:45:492:58:2214:5231:32
21:01
#6383
Finish
13.11 mi10:02:533:15:2614:5417:04
15:23
#6366
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 95%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

15:12

Segment Time

16:54/mi

Pace

0.90 mi

Distance

Overall

6265

Women

2765

Division

240

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
2M2.00 mi2.00 mi641728122446311(Top 96%)2802(Top 96%)243(Top 95%)
4M4.00 mi2.00 mi6457-402842-30246-26442(Top 98%)2834(Top 97%)243(Top 95%)
6M6.00 mi2.00 mi6397+602803+39241+56258(Top 95%)2707(Top 92%)225(Top 88%)
8M8.00 mi2.00 mi6418-212817-14244-36361(Top 97%)2782(Top 95%)242(Top 95%)
9.6M9.60 mi1.60 mi6379+392794+232445296(Top 81%)2224(Top 76%)182(Top 71%)
10M10.00 mi0.40 mi6390-112804-102446268(Top 95%)2774(Top 95%)241(Top 95%)
10.5M10.50 mi0.50 mi6387+32805-12446295(Top 96%)2775(Top 95%)241(Top 95%)
12M12.00 mi1.50 mi6383+42804+12446311(Top 96%)2802(Top 96%)243(Top 95%)
Finish13.11 mi1.11 mi6366+172794+10242+26259(Top 95%)2762(Top 94%)237(Top 93%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 96%
~flat
+5ft-3ft

Overall

6311

Females

2802

F40-44

244

2M→4M

2.0 - 4.0 mi

Top 98%
×4story building
+67ft-69ft

Overall

6442

Females

2834

F40-44

244

4M→6M

4.0 - 6.0 mi

Top 95%
×9story building
+123ft-9ft

Overall

6258

Females

2707

F40-44

226

6M→8M

6.0 - 8.0 mi

Top 97%
×12story building
+166ft-53ft

Overall

6361

Females

2782

F40-44

243

8M→9.6M

8.0 - 9.6 mi

Top 81%
×13story building
+68ft-193ft

Overall

5296

Females

2224

F40-44

183

9.6M→10M

9.6 - 10.0 mi

Top 95%
×2story building
+0ft-24ft

Overall

6268

Females

2774

F40-44

242

10M→10.5M

10.0 - 10.5 mi

Top 96%
×6story building
+1ft-73ft

Overall

6295

Females

2775

F40-44

242

10.5M→12M

10.5 - 12.0 mi

Top 96%
×21story building
+280ft-26ft

Overall

6311

Females

2802

F40-44

244

12M→Finish

12.0 - 13.1 mi

Top 95%
×7story building
+14ft-89ft

Overall

6259

Females

2762

F40-44

237

Passing Analysis

Category:
Athletes Passed
231*
Passed By
180
Net Change
+51
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#6417
2M → 4M24*64-40#6417#6457
4M → 6M67*7+60#6457#6397
6M → 8M36*57-21#6397#6418
8M → 9.6M50*11+39#6418#6379
9.6M → 10M819-11#6379#6390
10M → 10.5M41+3#6390#6387
10.5M → 12M20*16+4#6387#6383
12M → Finish22*5+17#6383#6366
TOTALS231*180+51

* 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