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SF MARATHON 1ST HALF 2026

Nathan Dew

Los Angeles, CA

Bib: 15684 M 38

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 44%
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
9:59/mi
19:59
→ flat
12 ft elev
4M
10:33/mi
41:05
↑ 67↓ 69
10 ft elev
6M
9:42/mi
1:00:29
↑ 1231.1%
126 ft elev
8M
9:46/mi
1:20:00
↑ 166↓ 531.1%
246 ft elev
9.6M
9:46/mi
1:35:37
↑ 68↓ 1931.5%
126 ft elev
10M
21:39/mi
1:44:16
↓ 241.1%
90 ft elev
10.5M
4:58/mi
1:46:45
↓ 732.7%
18 ft elev
12M
14:22/mi
2:08:18
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
10:07/mi
2:19:31
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:00:29
Pace10:05 /mi
2nd Half
Distance7.11 mi
Time1:19:02
Pace11:07 /mi
📊Positive Split: 30.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:01:2119:599:5919:59
9:59
-
4M
4.00 mi07:22:2741:0510:1621:06
10:33
+0:34
6M
6.00 mi07:41:511:00:2910:0519:24
9:42
-0:51
8M
8.00 mi08:01:221:20:0010:0019:31
9:46
+0:04
9.6M
9.60 mi08:16:591:35:379:5815:37
9:46
0:00
10M
10.00 mi08:25:381:44:1610:268:39
21:39
+11:53
10.5M
10.50 mi08:28:071:46:4510:102:29
4:58
-16:41
12M
12.00 mi08:49:402:08:1810:4221:33
14:22
+9:24
Finish
13.11 mi09:00:532:19:3110:3911:13
10:07
-4:15

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

4:58 /mi

Average Pace

10:39 /mi

Slowest Pace

21:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29

2% of race

Time at Steady Pace

1:46:50

77% of race

Time at Slower Pace

30:12

22% of race

Average Pace: 10:39 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

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

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi07:01:2119:599:5919:59
9:59
#3034
4M
4.00 mi07:22:2741:0510:1621:06
10:33
#3333
6M
6.00 mi07:41:511:00:2910:0519:24
9:42
#2893
8M
8.00 mi08:01:221:20:0010:0019:31
9:46
#2651
9.6M
9.60 mi08:16:591:35:379:5815:37
9:46
#2789
10M
10.00 mi08:25:381:44:1610:268:39
21:39
#2899
10.5M
10.50 mi08:28:071:46:4510:102:29
4:58
#2907
12M
12.00 mi08:49:402:08:1810:4221:33
14:22
#2914
Finish
13.11 mi09:00:532:19:3110:3911:13
10:07
#2895
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 61%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:08

Segment Time

12:22/mi

Pace

0.90 mi

Distance

Overall

4025

Men

2517

Division

421

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi3034206135530361994337
4M4.00 mi2.00 mi3333-2992225-164380-2536272384401
6M6.00 mi2.00 mi2893+4401987+238337+4322931638276
8M8.00 mi2.00 mi2651+2421874+113320+1720901548269
9.6M9.60 mi1.60 mi2789-1381921-47324-436812244375
10M10.00 mi0.40 mi2899-1101990-69342-1843762662442
10.5M10.50 mi0.50 mi2907-81992-2343-130702042341
12M12.00 mi1.50 mi2914-71984+8340+330361994337
Finish13.11 mi1.11 mi2895+191970+14337+329991969318

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 46%
~flat
+5ft-3ft

Overall

3036

Males

1994

M35-39

337

2M→4M

2.0 - 4.0 mi

Top 55%
×4story building
+67ft-69ft

Overall

3627

Males

2384

M35-39

401

4M→6M

4.0 - 6.0 mi

Top 35%
×9story building
+123ft-9ft

Overall

2293

Males

1638

M35-39

276

6M→8M

6.0 - 8.0 mi

Top 32%
×12story building
+166ft-53ft

Overall

2090

Males

1548

M35-39

269

8M→9.6M

8.0 - 9.6 mi

Top 56%
×13story building
+68ft-193ft

Overall

3681

Males

2244

M35-39

375

9.6M→10M

9.6 - 10.0 mi

Top 67%
×2story building
+0ft-24ft

Overall

4376

Males

2662

M35-39

442

10M→10.5M

10.0 - 10.5 mi

Top 47%
×6story building
+1ft-73ft

Overall

3070

Males

2042

M35-39

341

10.5M→12M

10.5 - 12.0 mi

Top 46%
×21story building
+280ft-26ft

Overall

3036

Males

1994

M35-39

337

12M→Finish

12.0 - 13.1 mi

Top 46%
×7story building
+14ft-89ft

Overall

2999

Males

1969

M35-39

318

Passing Analysis

Category:
Athletes Passed
979*
Passed By
840
Net Change
+139
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3034
2M → 4M66365-299#3034#3333
4M → 6M4466+440#3333#2893
6M → 8M278*36+242#2893#2651
8M → 9.6M35173-138#2651#2789
9.6M → 10M15125-110#2789#2899
10M → 10.5M513-8#2899#2907
10.5M → 12M7582-7#2907#2914
12M → Finish59*40+19#2914#2895
TOTALS979*840+139

* 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