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SF MARATHON 1ST HALF 2026

Stephen Sidletsky

Bib: 14303•M•Age: 35

Redwood City, CA

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

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
11:06/mi
22:13
→ flat
4M
11:26/mi
45:04
↑ 67↓ 69
6M
11:17/mi
1:07:39
↑ 1231.1%
8M
10:22/mi
1:28:24
↑ 166↓ 531.1%
9.6M
10:22/mi
1:45:00
↑ 68↓ 1931.5%
10M
19:39/mi
1:52:51
↓ 241.1%
10.5M
4:54/mi
1:55:18
↓ 732.7%
12M
14:49/mi
2:17:31
↑ 2803.2%
Finish· 13.11 mi
10:26/mi
2:29:05
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:07:39
Pace11:17 /mi
2nd Half
Distance7.11 mi
Time1:21:26
Pace11:27 /mi
📊Positive Split: 20.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:00:0022:1311:0622:13
11:06
-
4M
4.00 mi07:22:5145:0411:1622:51
11:26
+0:20
6M
6.00 mi07:45:261:07:3911:1722:35
11:17
-0:09
8M
8.00 mi08:06:111:28:2411:0320:45
10:22
-0:55
9.6M
9.60 mi08:22:471:45:0010:5616:36
10:22
0:00
10M
10.00 mi08:30:381:52:5111:177:51
19:39
+9:17
10.5M
10.50 mi08:33:051:55:1810:592:27
4:54
-14:45
12M
12.00 mi08:55:182:17:3111:2822:13
14:49
+9:55
Finish
13.11 mi09:06:522:29:0511:2211:34
10:26
-4:23

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

4:54 /mi

Average Pace

11:22 /mi

Slowest Pace

19:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27

2% of race

Time at Steady Pace

1:56:34

78% of race

Time at Slower Pace

30:04

20% of race

Average Pace: 11:22 /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 mi07:00:0022:1311:0622:13
11:06
#4878
4M
4.00 mi07:22:5145:0411:1622:51
11:26
#4829
6M
6.00 mi07:45:261:07:3911:1722:35
11:17
#4593
8M
8.00 mi08:06:111:28:2411:0320:45
10:22
#4021
9.6M
9.60 mi08:22:471:45:0010:5616:36
10:22
#4067
10M
10.00 mi08:30:381:52:5111:177:51
19:39
#3977
10.5M
10.50 mi08:33:051:55:1810:592:27
4:54
#3946
12M
12.00 mi08:55:182:17:3111:2822:13
14:49
#3831
Finish
13.11 mi09:06:522:29:0511:2211:34
10:26
#3763
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 48%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:18

Segment Time

11:27/mi

Pace

0.90 mi

Distance

Overall

3140

Men

2080

Division

354

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi487829874873398(Top 52%)2169(Top 60%)368(Top 63%)
4M4.00 mi2.00 mi4829+492970+17489-24747(Top 72%)2909(Top 80%)476(Top 82%)
6M6.00 mi2.00 mi4593+2362868+102475+144226(Top 64%)2681(Top 74%)448(Top 77%)
8M8.00 mi2.00 mi4021+5722613+255444+312814(Top 43%)1978(Top 55%)344(Top 59%)
9.6M9.60 mi1.60 mi4067-462605+8440+44420(Top 67%)2630(Top 73%)440(Top 76%)
10M10.00 mi0.40 mi3977+902552+53427+133299(Top 50%)2156(Top 60%)362(Top 62%)
10.5M10.50 mi0.50 mi3946+312537+154272904(Top 44%)1950(Top 54%)325(Top 56%)
12M12.00 mi1.50 mi3831+1152473+64417+103398(Top 52%)2169(Top 60%)368(Top 63%)
Finish13.11 mi1.11 mi3763+682442+31412+53397(Top 52%)2179(Top 60%)358(Top 62%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 52%
~flat
+5ft-3ft

Overall

3398

Males

2169

M35-39

368

2M→4M

2.0 - 4.0 mi

Top 72%
×4story building
+67ft-69ft

Overall

4747

Males

2909

M35-39

476

4M→6M

4.0 - 6.0 mi

Top 64%
×9story building
+123ft-9ft

Overall

4226

Males

2681

M35-39

448

6M→8M

6.0 - 8.0 mi

Top 43%
×12story building
+166ft-53ft

Overall

2814

Males

1978

M35-39

344

8M→9.6M

8.0 - 9.6 mi

Top 67%
×13story building
+68ft-193ft

Overall

4420

Males

2630

M35-39

440

9.6M→10M

9.6 - 10.0 mi

Top 50%
×2story building
+0ft-24ft

Overall

3299

Males

2156

M35-39

362

10M→10.5M

10.0 - 10.5 mi

Top 44%
×6story building
+1ft-73ft

Overall

2904

Males

1950

M35-39

325

10.5M→12M

10.5 - 12.0 mi

Top 52%
×21story building
+280ft-26ft

Overall

3398

Males

2169

M35-39

368

12M→Finish

12.0 - 13.1 mi

Top 52%
×7story building
+14ft-89ft

Overall

3397

Males

2179

M35-39

358

Passing Analysis

Category:
Athletes Passed
1556*
Passed By
441
Net Change
+1115
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4878
2M → 4M217168+49#4878#4829
4M → 6M271*35+236#4829#4593
6M → 8M580*8+572#4593#4021
8M → 9.6M100146-46#4021#4067
9.6M → 10M10414+90#4067#3977
10M → 10.5M310+31#3977#3946
10.5M → 12M158*43+115#3946#3831
12M → Finish95*27+68#3831#3763
TOTALS1556*441+1115

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

📊

Passing Visuals

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