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SF MARATHON 1ST HALF 2026

Siena Deadman

Bib: 16305•F•Age: 20

Petaluma, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 20%
Gender (Female)
#0 / 2930
Top 10%
F20-29
#0 / 353
Top 12%
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
9:13/mi
18:27
→ flat
4M
8:55/mi
36:17
↑ 67↓ 69
6M
8:57/mi
54:12
↑ 1231.1%
8M
10:00/mi
1:14:13
↑ 166↓ 531.1%
9.6M
6:46/mi
1:25:03
↑ 68↓ 1931.5%
10M
15:09/mi
1:31:06
↓ 241.1%
10.5M
4:24/mi
1:33:18
↓ 732.7%
12M
12:17/mi
1:51:44
↑ 2803.2%
Finish· 13.11 mi
8:49/mi
2:01:31
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time54:12
Pace9:02 /mi
2nd Half
Distance7.11 mi
Time1:07:19
Pace9:28 /mi
📊Positive Split: 24.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:01:4318:279:1318:27
9:13
-
4M
4.00 mi07:19:3336:179:0417:50
8:55
-0:18
6M
6.00 mi07:37:2854:129:0217:55
8:57
+0:02
8M
8.00 mi07:57:291:14:139:1720:01
10:00
+1:03
9.6M
9.60 mi08:08:191:25:038:5210:50
6:46
-3:14
10M
10.00 mi08:14:221:31:069:076:03
15:09
+8:23
10.5M
10.50 mi08:16:341:33:188:532:12
4:24
-10:45
12M
12.00 mi08:35:001:51:449:1918:26
12:17
+7:53
Finish
13.11 mi08:44:472:01:319:169:47
8:49
-3:28

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

4:24 /mi

Average Pace

9:16 /mi

Slowest Pace

15:09 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

13:02

11% of race

Time at Steady Pace

1:24:00

69% of race

Time at Slower Pace

24:29

20% of race

Average Pace: 9:16 /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 mi07:01:4318:279:1318:27
9:13
#1830
4M
4.00 mi07:19:3336:179:0417:50
8:55
#1551
6M
6.00 mi07:37:2854:129:0217:55
8:57
#1494
8M
8.00 mi07:57:291:14:139:1720:01
10:00
#1686
9.6M
9.60 mi08:08:191:25:038:5210:50
6:46
#1398
10M
10.00 mi08:14:221:31:069:076:03
15:09
#1325
10.5M
10.50 mi08:16:341:33:188:532:12
4:24
#1327
12M
12.00 mi08:35:001:51:449:1918:26
12:17
#1330
Finish
13.11 mi08:44:472:01:319:169:47
8:49
#1295
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 14%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:15

Segment Time

9:10/mi

Pace

0.90 mi

Distance

Overall

891

Women

175

Division

28

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi2.00 mi1830464581430(Top 22%)375(Top 13%)63(Top 18%)
4M4.00 mi2.00 mi1551+279355+10950+81306(Top 20%)281(Top 10%)41(Top 12%)
6M6.00 mi2.00 mi1494+57327+2847+31372(Top 21%)303(Top 10%)44(Top 12%)
8M8.00 mi2.00 mi1686-192388-6151-42380(Top 36%)648(Top 22%)86(Top 24%)
9.6M9.60 mi1.60 mi1398+288301+8741+10517(Top 8%)128(Top 4%)22(Top 6%)
10M10.00 mi0.40 mi1325+73277+2437+4783(Top 12%)170(Top 6%)28(Top 8%)
10.5M10.50 mi0.50 mi1327-2277371543(Top 23%)357(Top 12%)48(Top 14%)
12M12.00 mi1.50 mi1330-3289-1240-31430(Top 22%)375(Top 13%)63(Top 18%)
Finish13.11 mi1.11 mi1295+35279+1041-11442(Top 22%)348(Top 12%)56(Top 16%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 22%
~flat
+5ft-3ft

Overall

1430

Females

375

F20-24

63

2M→4M

2.0 - 4.0 mi

Top 20%
×4story building
+67ft-69ft

Overall

1306

Females

281

F20-24

41

4M→6M

4.0 - 6.0 mi

Top 21%
×9story building
+123ft-9ft

Overall

1372

Females

303

F20-24

44

6M→8M

6.0 - 8.0 mi

Top 36%
×12story building
+166ft-53ft

Overall

2380

Females

648

F20-24

86

8M→9.6M

8.0 - 9.6 mi

Top 8%
×13story building
+68ft-193ft

Overall

517

Females

128

F20-24

22

9.6M→10M

9.6 - 10.0 mi

Top 12%
×2story building
+0ft-24ft

Overall

783

Females

170

F20-24

28

10M→10.5M

10.0 - 10.5 mi

Top 23%
×6story building
+1ft-73ft

Overall

1543

Females

357

F20-24

48

10.5M→12M

10.5 - 12.0 mi

Top 22%
×21story building
+280ft-26ft

Overall

1430

Females

375

F20-24

63

12M→Finish

12.0 - 13.1 mi

Top 22%
×7story building
+14ft-89ft

Overall

1442

Females

348

F20-24

56

Passing Analysis

Category:
Athletes Passed
910*
Passed By
375
Net Change
+535
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1830
2M → 4M2889+279#1830#1551
4M → 6M8932+57#1551#1494
6M → 8M48240-192#1494#1686
8M → 9.6M2968+288#1686#1398
9.6M → 10M763+73#1398#1325
10M → 10.5M57-2#1325#1327
10.5M → 12M6063-3#1327#1330
12M → Finish48*13+35#1330#1295
TOTALS910*375+535

* 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