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SF MARATHON 1ST HALF 2026

Amelia Grandrath

Bib: 18087•F•Age: 23

Albany, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
F20-29
#0 / 353
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
11:45/mi
23:30
→ flat
4M
11:48/mi
47:05
↑ 67↓ 69
6M
11:51/mi
1:10:48
↑ 1231.1%
8M
11:36/mi
1:34:00
↑ 166↓ 531.1%
9.6M
11:36/mi
1:52:33
↑ 68↓ 1931.5%
10M
22:07/mi
2:01:23
↓ 241.1%
10.5M
5:32/mi
2:04:09
↓ 732.7%
12M
17:03/mi
2:29:43
↑ 2803.2%
Finish· 13.11 mi
11:45/mi
2:42:45
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:10:48
Pace11:48 /mi
2nd Half
Distance7.11 mi
Time1:31:57
Pace12:56 /mi
📊Positive Split: 29.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:10:3223:3011:4523:30
11:45
-
4M
4.00 mi07:34:0747:0511:4623:35
11:48
+0:03
6M
6.00 mi07:57:501:10:4811:4823:43
11:51
+0:03
8M
8.00 mi08:21:021:34:0011:4523:12
11:36
-0:15
9.6M
9.60 mi08:39:351:52:3311:4318:33
11:36
0:00
10M
10.00 mi08:48:252:01:2312:088:50
22:07
+10:31
10.5M
10.50 mi08:51:112:04:0911:492:46
5:32
-16:35
12M
12.00 mi09:16:452:29:4312:2925:34
17:03
+11:31
Finish
13.11 mi09:29:472:42:4512:2513:02
11:45
-5:18

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

5:32 /mi

Average Pace

12:25 /mi

Slowest Pace

22:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46

2% of race

Time at Steady Pace

2:05:35

77% of race

Time at Slower Pace

34:24

21% of race

Average Pace: 12:25 /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 mi07:10:3223:3011:4523:30
11:45
#5654
4M
4.00 mi07:34:0747:0511:4623:35
11:48
#5450
6M
6.00 mi07:57:501:10:4811:4823:43
11:51
#5262
8M
8.00 mi08:21:021:34:0011:4523:12
11:36
#4942
9.6M
9.60 mi08:39:351:52:3311:4318:33
11:36
#5136
10M
10.00 mi08:48:252:01:2312:088:50
22:07
#5064
10.5M
10.50 mi08:51:112:04:0911:492:46
5:32
#5055
12M
12.00 mi09:16:452:29:4312:2925:34
17:03
#5020
Finish
13.11 mi09:29:472:42:4512:2513:02
11:45
#4966
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 68%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:36

Segment Time

12:54/mi

Pace

0.90 mi

Distance

Overall

4486

Women

1756

Division

242

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi2.00 mi565423363024880(Top 74%)1984(Top 68%)260(Top 74%)
4M4.00 mi2.00 mi5450+2042208+128291+115228(Top 80%)2080(Top 71%)275(Top 78%)
6M6.00 mi2.00 mi5262+1882086+122275+164915(Top 75%)1885(Top 64%)253(Top 72%)
8M8.00 mi2.00 mi4942+3201896+190256+194163(Top 63%)1483(Top 51%)186(Top 53%)
9.6M9.60 mi1.60 mi5136-1942014-118264-85541(Top 84%)2350(Top 80%)290(Top 82%)
10M10.00 mi0.40 mi5064+721975+39258+64594(Top 70%)1813(Top 62%)249(Top 71%)
10.5M10.50 mi0.50 mi5055+91972+32584510(Top 69%)1733(Top 59%)228(Top 65%)
12M12.00 mi1.50 mi5020+351973-1261-34880(Top 74%)1984(Top 68%)260(Top 74%)
Finish13.11 mi1.11 mi4966+541954+19260+14731(Top 72%)1921(Top 66%)249(Top 71%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 74%
~flat
+5ft-3ft

Overall

4880

Females

1984

F20-24

260

2M→4M

2.0 - 4.0 mi

Top 80%
×4story building
+67ft-69ft

Overall

5228

Females

2080

F20-24

276

4M→6M

4.0 - 6.0 mi

Top 75%
×9story building
+123ft-9ft

Overall

4915

Females

1885

F20-24

254

6M→8M

6.0 - 8.0 mi

Top 63%
×12story building
+166ft-53ft

Overall

4163

Females

1483

F20-24

186

8M→9.6M

8.0 - 9.6 mi

Top 84%
×13story building
+68ft-193ft

Overall

5541

Females

2350

F20-24

290

9.6M→10M

9.6 - 10.0 mi

Top 70%
×2story building
+0ft-24ft

Overall

4594

Females

1813

F20-24

249

10M→10.5M

10.0 - 10.5 mi

Top 69%
×6story building
+1ft-73ft

Overall

4510

Females

1733

F20-24

228

10.5M→12M

10.5 - 12.0 mi

Top 74%
×21story building
+280ft-26ft

Overall

4880

Females

1984

F20-24

260

12M→Finish

12.0 - 13.1 mi

Top 72%
×7story building
+14ft-89ft

Overall

4731

Females

1921

F20-24

249

Passing Analysis

Category:
Athletes Passed
1161*
Passed By
473
Net Change
+688
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5654
2M → 4M253*49+204#5654#5450
4M → 6M224*36+188#5450#5262
6M → 8M341*21+320#5262#4942
8M → 9.6M43237-194#4942#5136
9.6M → 10M8715+72#5136#5064
10M → 10.5M1910+9#5064#5055
10.5M → 12M116*81+35#5055#5020
12M → Finish78*24+54#5020#4966
TOTALS1161*473+688

* 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