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SF MARATHON 1ST HALF 2026

Enrique Arcenas

Patterson, CA

Bib: 18132 M 39

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Division (M35-39)
#0 / 582
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
11:13/mi
22:27
→ flat
12 ft elev
4M
12:04/mi
46:34
↑ 67↓ 69
10 ft elev
6M
11:58/mi
1:10:31
↑ 1231.1%
126 ft elev
8M
13:13/mi
1:36:57
↑ 166↓ 531.1%
246 ft elev
9.6M
13:13/mi
1:58:06
↑ 68↓ 1931.5%
126 ft elev
10M
24:02/mi
2:07:42
↓ 241.1%
90 ft elev
10.5M
6:20/mi
2:10:52
↓ 732.7%
18 ft elev
12M
17:20/mi
2:36:52
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
13:07/mi
2:51:25
↑ 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
1:10:3111:45 /mi⚡ faster
2nd Half
1:40:5414:12 /mi+43.1%
Positive split — 43.1% 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
22:2711:132.00 mi22:27
11:13
-
4M
46:3411:392.00 mi24:07
12:04
+0:51
6M
1:10:3111:452.00 mi23:57
11:58
-0:06
8M
1:36:5712:072.00 mi26:26
13:13
+1:15
9.6M
1:58:0612:181.60 mi21:09
13:13
0:00
10M
2:07:4212:460.40 mi9:36
24:02
+10:49
10.5M
2:10:5212:280.50 mi3:10
6:20
-17:42
12M
2:36:5213:041.50 mi26:00
17:20
+11:00
Finish(13.11 mi)
2:51:2513:051.11 mi14:33
13:07
-4:13
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

6:20 /mi

Average Pace

13:05 /mi

Slowest Pace

24:02 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:10

2% of race

Time at Steady Pace

2:12:39

77% of race

Time at Slower Pace

35:36

21% of race

Average Pace: 13:05 /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 82%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:46

Segment Time

14:11/mi

Pace

0.90 mi

Distance

Overall

5398

Men

3118

Division

519

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi5075306350150632949495
4M2.00 mi5324-2493176-113522-2154743231525
6M2.00 mi5217+1073141+35517+550523067498
8M2.00 mi5346-1293203-62526-955963287543
9.6M1.60 mi5676-3303321-118536-1063393522570
10M0.40 mi5671+53312+9537-153653102510
10.5M0.50 mi5674-33311+1539-257353278539
12M1.50 mi5620+543273+38533+650632949495
Finish(13.11 mi)1.11 mi5642-223275-253356283192518

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 77%
~flat
+5ft-3ft

Overall

5063

Males

2949

M35-39

495

2M→4M

2.0 - 4.0 mi

Top 83%
×4story building
+67ft-69ft

Overall

5474

Males

3231

M35-39

525

4M→6M

4.0 - 6.0 mi

Top 77%
×9story building
+123ft-9ft

Overall

5052

Males

3067

M35-39

498

6M→8M

6.0 - 8.0 mi

Top 85%
×12story building
+166ft-53ft

Overall

5596

Males

3287

M35-39

543

8M→9.6M

8.0 - 9.6 mi

Top 96%
×13story building
+68ft-193ft

Overall

6339

Males

3522

M35-39

570

9.6M→10M

9.6 - 10.0 mi

Top 82%
×2story building
+0ft-24ft

Overall

5365

Males

3102

M35-39

510

10M→10.5M

10.0 - 10.5 mi

Top 87%
×6story building
+1ft-73ft

Overall

5735

Males

3278

M35-39

539

10.5M→12M

10.5 - 12.0 mi

Top 77%
×21story building
+280ft-26ft

Overall

5063

Males

2949

M35-39

495

12M→Finish

12.0 - 13.1 mi

Top 86%
×7story building
+14ft-89ft

Overall

5628

Males

3192

M35-39

518

Passing Analysis

Category:
Passed
517*
Passed By
1084
Net Change
-567
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5075
2M → 4M85334-249#5075#5324
4M → 6M175*68+107#5324#5217
6M → 8M69*198-129#5217#5346
8M → 9.6M5335-330#5346#5676
9.6M → 10M4136+5#5676#5671
10M → 10.5M710-3#5671#5674
10.5M → 12M95*41+54#5674#5620
12M → Finish40*62-22#5620#5642
TOTALS517*1084-567

* 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

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