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SF MARATHON 1ST HALF 2026

Andrew Amerio

SF, CA

Bib: 20543 M 26

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 14%
Gender (Male)
#0 / 3619
Top 21%
Division (M25-29)
#0 / 796
Top 23%
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
2M
8:09/mi
16:18
→ flat
12 ft elev
4M
7:59/mi
32:15
↑ 67↓ 69
10 ft elev
6M
8:14/mi
48:43
↑ 1231.1%
126 ft elev
8M
9:55/mi
1:08:34
↑ 166↓ 531.1%
246 ft elev
9.6M
6:48/mi
1:19:27
↑ 68↓ 1931.5%
126 ft elev
10M
15:49/mi
1:25:46
↓ 241.1%
90 ft elev
10.5M
4:10/mi
1:27:51
↓ 732.7%
18 ft elev
12M
13:05/mi
1:47:28
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
9:15/mi
1:57:44
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
48:438:07 /mi⚡ faster
2nd Half
1:09:019:42 /mi+41.7%
Positive split — 41.7% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2M
16:188:092.00 mi16:18
8:09
-
4M
32:158:042.00 mi15:57
7:59
-0:10
6M
48:438:072.00 mi16:28
8:14
+0:15
8M
1:08:348:342.00 mi19:51
9:55
+1:41
9.6M
1:19:278:171.60 mi10:53
6:48
-3:07
10M
1:25:468:350.40 mi6:19
15:49
+9:01
10.5M
1:27:518:220.50 mi2:05
4:10
-11:39
12M
1:47:288:571.50 mi19:37
13:05
+8:55
Finish(13.11 mi)
1:57:448:591.11 mi10:16
9:15
-3:50
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

4:10 /mi

Average Pace

8:59 /mi

Slowest Pace

15:49 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:05

2% of race

Time at Steady Pace

1:09:52

59% of race

Time at Slower Pace

45:47

39% of race

Average Pace: 8:59 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower
Featured Segment

Garmin Challenge

Top 16%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:24

Segment Time

9:20/mi

Pace

0.90 mi

Distance

Overall

1021

Men

807

Division

195

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi60951111919771403335
4M2.00 mi500+109422+8994+2544237590
6M2.00 mi522-22440-18100-6644536126
8M2.00 mi853-331701-261172-7222941675400
9.6M1.60 mi730+123601+100141+3153940692
10M0.40 mi742-12608-7145-41127866210
10.5M0.50 mi744-2610-2146-1962772182
12M1.50 mi892-148725-115173-2719771403335
Finish(13.11 mi)1.11 mi943-51768-43187-1419511405335

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 30%
~flat
+5ft-3ft

Overall

1977

Males

1403

M25-29

336

2M→4M

2.0 - 4.0 mi

Top 7%
×4story building
+67ft-69ft

Overall

442

Males

375

M25-29

90

4M→6M

4.0 - 6.0 mi

Top 10%
×9story building
+123ft-9ft

Overall

644

Males

536

M25-29

126

6M→8M

6.0 - 8.0 mi

Top 35%
×12story building
+166ft-53ft

Overall

2294

Males

1675

M25-29

401

8M→9.6M

8.0 - 9.6 mi

Top 8%
×13story building
+68ft-193ft

Overall

539

Males

406

M25-29

92

9.6M→10M

9.6 - 10.0 mi

Top 17%
×2story building
+0ft-24ft

Overall

1127

Males

866

M25-29

211

10M→10.5M

10.0 - 10.5 mi

Top 15%
×6story building
+1ft-73ft

Overall

962

Males

772

M25-29

183

10.5M→12M

10.5 - 12.0 mi

Top 30%
×21story building
+280ft-26ft

Overall

1977

Males

1403

M25-29

336

12M→Finish

12.0 - 13.1 mi

Top 30%
×7story building
+14ft-89ft

Overall

1951

Males

1405

M25-29

335

Passing Analysis

Category:
Passed
312*
Passed By
646
Net Change
-334
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#609
2M → 4M1189+109#609#500
4M → 6M1739-22#500#522
6M → 8M1332-331#522#853
8M → 9.6M13815+123#853#730
9.6M → 10M1022-12#730#742
10M → 10.5M13-2#742#744
10.5M → 12M7155-148#744#892
12M → Finish20*71-51#892#943
TOTALS312*646-334

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

Passing Charts

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