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SF MARATHON 1ST HALF 2026

Alexander Constantine

Steilacoom, WA

Bib: 14417 M 22

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
M20-29
#0 / 358
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
10:11/mi
20:22
→ flat
12 ft elev
4M
11:13/mi
42:47
↑ 67↓ 69
10 ft elev
6M
11:31/mi
1:05:50
↑ 1231.1%
126 ft elev
8M
12:36/mi
1:31:03
↑ 166↓ 531.1%
246 ft elev
9.6M
7:49/mi
1:43:34
↑ 68↓ 1931.5%
126 ft elev
10M
21:26/mi
1:52:08
↓ 241.1%
90 ft elev
10.5M
5:22/mi
1:54:49
↓ 732.7%
18 ft elev
12M
17:51/mi
2:21:35
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
10:41/mi
2:33:26
↑ 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
1:05:5010:58 /mi⚡ faster
2nd Half
1:27:3612:19 /mi+33.1%
Positive split — 33.1% 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
20:2210:112.00 mi20:22
10:11
-
4M
42:4710:422.00 mi22:25
11:13
+1:02
6M
1:05:5010:582.00 mi23:03
11:31
+0:18
8M
1:31:0311:232.00 mi25:13
12:36
+1:05
9.6M
1:43:3410:471.60 mi12:31
7:49
-4:47
10M
1:52:0811:130.40 mi8:34
21:26
+13:37
10.5M
1:54:4910:560.50 mi2:41
5:22
-16:04
12M
2:21:3511:481.50 mi26:46
17:51
+12:29
Finish(13.11 mi)
2:33:2611:421.11 mi11:51
10:41
-7:10
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

5:22 /mi

Average Pace

11:42 /mi

Slowest Pace

21:26 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

15:12

10% of race

Time at Steady Pace

1:42:54

67% of race

Time at Slower Pace

35:20

23% of race

Average Pace: 11:42 /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 63%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:15

Segment Time

12:30/mi

Pace

0.90 mi

Distance

Overall

4167

Men

2582

Division

269

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi3343222525053443087320
4M2.00 mi3983-6402574-349292-4244982806311
6M2.00 mi4156-1732661-87300-845292829316
8M2.00 mi4454-2982826-165310-1051193117324
9.6M1.60 mi3860+5942502+324285+251359899125
10M0.40 mi3879-192502280+542772621271
10.5M0.50 mi3880-12503-128040692563274
12M1.50 mi4238-3582654-151291-1153443087320
Finish(13.11 mi)1.11 mi4153+852611+43288+336922327260

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 81%
~flat
+5ft-3ft

Overall

5344

Males

3087

M20-24

321

2M→4M

2.0 - 4.0 mi

Top 68%
×4story building
+67ft-69ft

Overall

4498

Males

2806

M20-24

313

4M→6M

4.0 - 6.0 mi

Top 69%
×9story building
+123ft-9ft

Overall

4529

Males

2829

M20-24

319

6M→8M

6.0 - 8.0 mi

Top 78%
×12story building
+166ft-53ft

Overall

5119

Males

3117

M20-24

326

8M→9.6M

8.0 - 9.6 mi

Top 21%
×13story building
+68ft-193ft

Overall

1359

Males

899

M20-24

126

9.6M→10M

9.6 - 10.0 mi

Top 65%
×2story building
+0ft-24ft

Overall

4277

Males

2621

M20-24

272

10M→10.5M

10.0 - 10.5 mi

Top 62%
×6story building
+1ft-73ft

Overall

4069

Males

2563

M20-24

275

10.5M→12M

10.5 - 12.0 mi

Top 81%
×21story building
+280ft-26ft

Overall

5344

Males

3087

M20-24

321

12M→Finish

12.0 - 13.1 mi

Top 56%
×7story building
+14ft-89ft

Overall

3692

Males

2327

M20-24

260

Passing Analysis

Category:
Passed
942*
Passed By
1752
Net Change
-810
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3343
2M → 4M39679-640#3343#3983
4M → 6M69*242-173#3983#4156
6M → 8M67*365-298#4156#4454
8M → 9.6M5940+594#4454#3860
9.6M → 10M4564-19#3860#3879
10M → 10.5M1112-1#3879#3880
10.5M → 12M17*375-358#3880#4238
12M → Finish100*15+85#4238#4153
TOTALS942*1752-810

* 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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Race Place Events