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SF MARATHON 1ST HALF 2026

Justin Lin

Sunnyvale, CA

Bib: 16369 M 25

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Division (M25-29)
#0 / 796
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
10:31/mi
21:02
→ flat
12 ft elev
4M
11:02/mi
43:05
↑ 67↓ 69
10 ft elev
6M
11:08/mi
1:05:21
↑ 1231.1%
126 ft elev
8M
12:34/mi
1:30:29
↑ 166↓ 531.1%
246 ft elev
9.6M
8:29/mi
1:44:03
↑ 68↓ 1931.5%
126 ft elev
10M
22:57/mi
1:53:13
↓ 241.1%
90 ft elev
10.5M
5:38/mi
1:56:02
↓ 732.7%
18 ft elev
12M
17:32/mi
2:22:20
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
13:03/mi
2:36:49
↑ 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
1:05:2110:54 /mi⚡ faster
2nd Half
1:31:2812:52 /mi+40.0%
Positive split — 40.0% 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
21:0210:312.00 mi21:02
10:31
-
4M
43:0510:462.00 mi22:03
11:02
+0:31
6M
1:05:2110:542.00 mi22:16
11:08
+0:06
8M
1:30:2911:192.00 mi25:08
12:34
+1:26
9.6M
1:44:0310:501.60 mi13:34
8:29
-4:05
10M
1:53:1311:190.40 mi9:10
22:57
+14:28
10.5M
1:56:0211:030.50 mi2:49
5:38
-17:19
12M
2:22:2011:521.50 mi26:18
17:32
+11:54
Finish(13.11 mi)
2:36:4911:581.11 mi14:29
13:03
-4:29
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

5:38 /mi

Average Pace

11:58 /mi

Slowest Pace

22:57 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

16:23

10% of race

Time at Steady Pace

1:44:58

67% of race

Time at Slower Pace

35:28

23% of race

Average Pace: 11:58 /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 73%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:59

Segment Time

13:19/mi

Pace

0.90 mi

Distance

Overall

4826

Men

2881

Division

645

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi3960256257951723005678
4M2.00 mi4090-1302629-67598-1942432692623
6M2.00 mi4044+462613+16605-740552595607
8M2.00 mi4357-3132775-162635-3050893100702
9.6M1.60 mi3923+4342538+237590+4521011382330
10M0.40 mi4019-962571-33598-849432923652
10.5M0.50 mi4029-102578-759847202859648
12M1.50 mi4325-2962703-125626-2851723005678
Finish(13.11 mi)1.11 mi4471-1462772-69635-955923174710

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 79%
~flat
+5ft-3ft

Overall

5172

Males

3005

M25-29

679

2M→4M

2.0 - 4.0 mi

Top 65%
×4story building
+67ft-69ft

Overall

4243

Males

2692

M25-29

625

4M→6M

4.0 - 6.0 mi

Top 62%
×9story building
+123ft-9ft

Overall

4055

Males

2595

M25-29

608

6M→8M

6.0 - 8.0 mi

Top 77%
×12story building
+166ft-53ft

Overall

5089

Males

3100

M25-29

703

8M→9.6M

8.0 - 9.6 mi

Top 32%
×13story building
+68ft-193ft

Overall

2101

Males

1382

M25-29

330

9.6M→10M

9.6 - 10.0 mi

Top 75%
×2story building
+0ft-24ft

Overall

4943

Males

2923

M25-29

653

10M→10.5M

10.0 - 10.5 mi

Top 72%
×6story building
+1ft-73ft

Overall

4720

Males

2859

M25-29

649

10.5M→12M

10.5 - 12.0 mi

Top 79%
×21story building
+280ft-26ft

Overall

5172

Males

3005

M25-29

679

12M→Finish

12.0 - 13.1 mi

Top 85%
×7story building
+14ft-89ft

Overall

5592

Males

3174

M25-29

710

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#3960
2M → 4M
264134-130
#3960 → #4090
4M → 6M
104150*+46
#4090 → #4044
6M → 8M
36855*-313
#4044 → #4357
8M → 9.6M
7441+434
#4357 → #3923
9.6M → 10M
11519-96
#3923 → #4019
10M → 10.5M
166-10
#4019 → #4029
10.5M → 12M
31317*-296
#4029 → #4325
12M → Finish
17529*-146
#4325 → #4471
TOTALS
1362851*-511
#3960 → #4471

* 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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