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SF MARATHON 1ST HALF 2026

Shae Seltzer

Bib: 12652•F•Age: 18

Tucson, AZ

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 19%
Gender (Female)
#0 / 2930
Top 9%
F19 & Under
#0 / 83
Top 23%
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
8:47/mi
17:34
→ flat
4M
9:00/mi
35:34
↑ 67↓ 69
6M
8:54/mi
53:22
↑ 1231.1%
8M
8:33/mi
1:10:28
↑ 166↓ 531.1%
9.6M
8:33/mi
1:24:09
↑ 68↓ 1931.5%
10M
16:21/mi
1:30:41
↓ 241.1%
10.5M
4:30/mi
1:32:56
↓ 732.7%
12M
12:23/mi
1:51:30
↑ 2803.2%
Finish· 13.11 mi
8:37/mi
2:01:03
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time53:22
Pace8:54 /mi
2nd Half
Distance7.11 mi
Time1:07:41
Pace9:31 /mi
📊Positive Split: 26.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:52:3617:348:4717:34
8:47
-
4M
4.00 mi07:10:3635:348:5418:00
9:00
+0:13
6M
6.00 mi07:28:2453:228:5417:48
8:54
-0:06
8M
8.00 mi07:45:301:10:288:4917:06
8:33
-0:21
9.6M
9.60 mi07:59:111:24:098:4613:41
8:33
0:00
10M
10.00 mi08:05:431:30:419:046:32
16:21
+7:48
10.5M
10.50 mi08:07:581:32:568:512:15
4:30
-11:51
12M
12.00 mi08:26:321:51:309:1818:34
12:23
+7:53
Finish
13.11 mi08:36:052:01:039:149:33
8:37
-3:46

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

4:30 /mi

Average Pace

9:14 /mi

Slowest Pace

16:21 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15

2% of race

Time at Steady Pace

1:33:42

77% of race

Time at Slower Pace

25:06

21% of race

Average Pace: 9:14 /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 mi06:52:3617:348:4717:34
8:47
#1231
4M
4.00 mi07:10:3635:348:5418:00
9:00
#1323
6M
6.00 mi07:28:2453:228:5417:48
8:54
#1296
8M
8.00 mi07:45:301:10:288:4917:06
8:33
#1123
9.6M
9.60 mi07:59:111:24:098:4613:41
8:33
#1275
10M
10.00 mi08:05:431:30:419:046:32
16:21
#1260
10.5M
10.50 mi08:07:581:32:568:512:15
4:30
#1270
12M
12.00 mi08:26:321:51:309:1818:34
12:23
#1299
Finish
13.11 mi08:36:052:01:039:149:33
8:37
#1260
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 22%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:47

Segment Time

9:46/mi

Pace

0.90 mi

Distance

Overall

1458

Women

343

Division

18

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF19 & UnderSeg. OverallSeg. FemalesSeg. F19 & Under
2M2.00 mi2.00 mi1231261221483(Top 23%)393(Top 13%)22(Top 27%)
4M4.00 mi2.00 mi1323-92288-27221457(Top 22%)316(Top 11%)22(Top 27%)
6M6.00 mi2.00 mi1296+27273+15221302(Top 20%)274(Top 9%)21(Top 25%)
8M8.00 mi2.00 mi1123+173210+6318+4875(Top 13%)141(Top 5%)12(Top 14%)
9.6M9.60 mi1.60 mi1275-152264-5420-22183(Top 33%)740(Top 25%)29(Top 35%)
10M10.00 mi0.40 mi1260+15259+519+11423(Top 22%)346(Top 12%)20(Top 24%)
10.5M10.50 mi0.50 mi1270-10260-1191798(Top 27%)450(Top 15%)25(Top 30%)
12M12.00 mi1.50 mi1299-29275-15191483(Top 23%)393(Top 13%)22(Top 27%)
Finish13.11 mi1.11 mi1260+39263+12191203(Top 18%)272(Top 9%)19(Top 23%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 23%
~flat
+5ft-3ft

Overall

1483

Females

393

F15-19

21

2M→4M

2.0 - 4.0 mi

Top 22%
×4story building
+67ft-69ft

Overall

1457

Females

316

F15-19

21

4M→6M

4.0 - 6.0 mi

Top 20%
×9story building
+123ft-9ft

Overall

1302

Females

274

F15-19

20

6M→8M

6.0 - 8.0 mi

Top 13%
×12story building
+166ft-53ft

Overall

875

Females

141

F15-19

12

8M→9.6M

8.0 - 9.6 mi

Top 33%
×13story building
+68ft-193ft

Overall

2183

Females

740

F15-19

28

9.6M→10M

9.6 - 10.0 mi

Top 22%
×2story building
+0ft-24ft

Overall

1423

Females

346

F15-19

19

10M→10.5M

10.0 - 10.5 mi

Top 27%
×6story building
+1ft-73ft

Overall

1798

Females

450

F15-19

24

10.5M→12M

10.5 - 12.0 mi

Top 23%
×21story building
+280ft-26ft

Overall

1483

Females

393

F15-19

21

12M→Finish

12.0 - 13.1 mi

Top 18%
×7story building
+14ft-89ft

Overall

1203

Females

272

F15-19

18

Passing Analysis

Category:
Athletes Passed
471*
Passed By
500
Net Change
-29
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1231
2M → 4M43135-92#1231#1323
4M → 6M7851+27#1323#1296
6M → 8M20431+173#1296#1123
8M → 9.6M14166-152#1123#1275
9.6M → 10M3318+15#1275#1260
10M → 10.5M414-10#1260#1270
10.5M → 12M4877-29#1270#1299
12M → Finish47*8+39#1299#1260
TOTALS471*500-29

* 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