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SF MARATHON 1ST HALF 2026

Sina Allen

San Francisco, CA

Bib: 16737 M 23

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 36%
Gender (Male)
#0 / 3619
Top 47%
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
9:18/mi
18:36
→ flat
12 ft elev
4M
9:37/mi
37:49
↑ 67↓ 69
10 ft elev
6M
9:41/mi
57:12
↑ 1231.1%
126 ft elev
8M
11:29/mi
1:20:10
↑ 166↓ 531.1%
246 ft elev
9.6M
8:40/mi
1:34:02
↑ 68↓ 1931.5%
126 ft elev
10M
18:39/mi
1:41:29
↓ 241.1%
90 ft elev
10.5M
4:36/mi
1:43:47
↓ 732.7%
18 ft elev
12M
12:43/mi
2:02:51
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
10:09/mi
2:14:07
↑ 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
57:129:32 /mi⚡ faster
2nd Half
1:16:5510:49 /mi+34.5%
Positive split — 34.5% 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
18:369:182.00 mi18:36
9:18
-
4M
37:499:272.00 mi19:13
9:37
+0:19
6M
57:129:322.00 mi19:23
9:41
+0:04
8M
1:20:1010:012.00 mi22:58
11:29
+1:48
9.6M
1:34:029:481.60 mi13:52
8:40
-2:49
10M
1:41:2910:090.40 mi7:27
18:39
+9:59
10.5M
1:43:479:530.50 mi2:18
4:36
-14:03
12M
2:02:5110:141.50 mi19:04
12:43
+8:07
Finish(13.11 mi)
2:14:0710:141.11 mi11:16
10:09
-2:34
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

4:36 /mi

Average Pace

10:14 /mi

Slowest Pace

18:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:18

2% of race

Time at Steady Pace

1:22:20

61% of race

Time at Slower Pace

49:29

37% of race

Average Pace: 10:14 /mi

Loading chart...
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 39%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:45

Segment Time

10:50/mi

Pace

0.90 mi

Distance

Overall

2540

Men

1761

Division

208

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi1946143217617271246155
4M2.00 mi2087-1411519-87186-1022711639197
6M2.00 mi2139-521560-41195-922881634201
8M2.00 mi2676-5371888-328227-3240422611286
9.6M1.60 mi2542+1341787+101211+1623191511184
10M0.40 mi2545-31785+221127721861215
10.5M0.50 mi2530+151772+13209+221041508189
12M1.50 mi2355+1751664+108201+817271246155
Finish(13.11 mi)1.11 mi2387-321684-20206-530581994229

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 26%
~flat
+5ft-3ft

Overall

1727

Males

1246

M20-24

156

2M→4M

2.0 - 4.0 mi

Top 35%
×4story building
+67ft-69ft

Overall

2271

Males

1639

M20-24

198

4M→6M

4.0 - 6.0 mi

Top 35%
×9story building
+123ft-9ft

Overall

2288

Males

1634

M20-24

202

6M→8M

6.0 - 8.0 mi

Top 61%
×12story building
+166ft-53ft

Overall

4042

Males

2611

M20-24

288

8M→9.6M

8.0 - 9.6 mi

Top 35%
×13story building
+68ft-193ft

Overall

2319

Males

1511

M20-24

185

9.6M→10M

9.6 - 10.0 mi

Top 42%
×2story building
+0ft-24ft

Overall

2772

Males

1861

M20-24

216

10M→10.5M

10.0 - 10.5 mi

Top 32%
×6story building
+1ft-73ft

Overall

2104

Males

1508

M20-24

189

10.5M→12M

10.5 - 12.0 mi

Top 26%
×21story building
+280ft-26ft

Overall

1727

Males

1246

M20-24

156

12M→Finish

12.0 - 13.1 mi

Top 47%
×7story building
+14ft-89ft

Overall

3058

Males

1994

M20-24

229

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#1946
2M → 4M
20261-141
#1946 → #2087
4M → 6M
10957-52
#2087 → #2139
6M → 8M
5458*-537
#2139 → #2676
8M → 9.6M
79213+134
#2676 → #2542
9.6M → 10M
3128-3
#2542 → #2545
10M → 10.5M
217+15
#2545 → #2530
10.5M → 12M
14189+175
#2530 → #2355
12M → Finish
6028*-32
#2355 → #2387
TOTALS
1042601*-441
#1946 → #2387

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

Passing Visualized

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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