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SF MARATHON 1ST HALF 2026

Marcus Colvin

Bib: 17786•M•Age: 43

Anchorage, AK

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Masters (Masters Men)
#0 / 1030
Division (M40-44)
#0 / 319
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
11:17/mi
22:35
→ flat
4M
12:04/mi
46:43
↑ 67↓ 69
6M
12:48/mi
1:12:20
↑ 1231.1%
8M
15:38/mi
1:43:36
↑ 166↓ 531.1%
9.6M
10:54/mi
2:01:02
↑ 68↓ 1931.5%
10M
26:19/mi
2:11:33
↓ 241.1%
10.5M
6:50/mi
2:14:58
↓ 732.7%
12M
18:33/mi
2:42:48
↑ 2803.2%
Finish· 13.11 mi
12:26/mi
2:56:35
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:12:20
Pace12:03 /mi
2nd Half
Distance7.11 mi
Time1:44:15
Pace14:40 /mi
📊Positive Split: 44.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:06:0322:3511:1722:35
11:17
-
4M
4.00 mi07:30:1146:4311:4124:08
12:04
+0:47
6M
6.00 mi07:55:481:12:2012:0325:37
12:48
+0:44
8M
8.00 mi08:27:041:43:3612:5731:16
15:38
+2:50
9.6M
9.60 mi08:44:302:01:0212:3617:26
10:54
-4:44
10M
10.00 mi08:55:012:11:3313:0910:31
26:19
+15:25
10.5M
10.50 mi08:58:262:14:5812:513:25
6:50
-19:29
12M
12.00 mi09:26:162:42:4813:3427:50
18:33
+11:43
Finish
13.11 mi09:40:032:56:3513:2813:47
12:26
-6:07

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

6:50 /mi

Average Pace

13:28 /mi

Slowest Pace

26:19 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:25

2% of race

Time at Steady Pace

1:43:33

59% of race

Time at Slower Pace

1:09:37

39% of race

Average Pace: 13:28 /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 mi07:06:0322:3511:1722:35
11:17
#5178
4M
4.00 mi07:30:1146:4311:4124:08
12:04
#5376
6M
6.00 mi07:55:481:12:2012:0325:37
12:48
#5498
8M
8.00 mi08:27:041:43:3612:5731:16
15:38
#6011
9.6M
9.60 mi08:44:302:01:0212:3617:26
10:54
#5937
10M
10.00 mi08:55:012:11:3313:0910:31
26:19
#5955
10.5M
10.50 mi08:58:262:14:5812:513:25
6:50
#5969
12M
12.00 mi09:26:162:42:4813:3427:50
18:33
#5956
Finish
13.11 mi09:40:032:56:3513:2813:47
12:26
#5898
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 90%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

13:56

Segment Time

15:29/mi

Pace

0.90 mi

Distance

Overall

5925

Men

3337

Division

293

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
2M2.00 mi2.00 mi517831042705711(Top 87%)3236(Top 89%)281(Top 88%)
4M4.00 mi2.00 mi5376-1983196-92281-115484(Top 83%)3235(Top 89%)278(Top 87%)
6M6.00 mi2.00 mi5498-1223259-63278+35723(Top 87%)3332(Top 92%)286(Top 90%)
8M8.00 mi2.00 mi6011-5133452-193298-206369(Top 97%)3559(Top 98%)315(Top 99%)
9.6M9.60 mi1.60 mi5937+743416+36296+24937(Top 75%)2881(Top 80%)245(Top 77%)
10M10.00 mi0.40 mi5955-183420-4295+15912(Top 90%)3328(Top 92%)294(Top 92%)
10.5M10.50 mi0.50 mi5969-143423-3296-16089(Top 93%)3417(Top 94%)303(Top 95%)
12M12.00 mi1.50 mi5956+133407+162965711(Top 87%)3236(Top 89%)281(Top 88%)
Finish13.11 mi1.11 mi5898+583379+28292+45230(Top 80%)3004(Top 83%)254(Top 80%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 87%
~flat
+5ft-3ft

Overall

5711

Males

3236

M40-44

281

2M→4M

2.0 - 4.0 mi

Top 83%
×4story building
+67ft-69ft

Overall

5484

Males

3235

M40-44

278

4M→6M

4.0 - 6.0 mi

Top 87%
×9story building
+123ft-9ft

Overall

5723

Males

3332

M40-44

286

6M→8M

6.0 - 8.0 mi

Top 97%
×12story building
+166ft-53ft

Overall

6369

Males

3559

M40-44

315

8M→9.6M

8.0 - 9.6 mi

Top 75%
×13story building
+68ft-193ft

Overall

4937

Males

2881

M40-44

245

9.6M→10M

9.6 - 10.0 mi

Top 90%
×2story building
+0ft-24ft

Overall

5912

Males

3328

M40-44

294

10M→10.5M

10.0 - 10.5 mi

Top 93%
×6story building
+1ft-73ft

Overall

6089

Males

3417

M40-44

303

10.5M→12M

10.5 - 12.0 mi

Top 87%
×21story building
+280ft-26ft

Overall

5711

Males

3236

M40-44

281

12M→Finish

12.0 - 13.1 mi

Top 80%
×7story building
+14ft-89ft

Overall

5230

Males

3004

M40-44

254

Passing Analysis

Category:
Athletes Passed
454*
Passed By
1174
Net Change
-720
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5178
2M → 4M84282-198#5178#5376
4M → 6M84*206-122#5376#5498
6M → 8M9*522-513#5498#6011
8M → 9.6M12450+74#6011#5937
9.6M → 10M2442-18#5937#5955
10M → 10.5M519-14#5955#5969
10.5M → 12M60*47+13#5969#5956
12M → Finish64*6+58#5956#5898
TOTALS454*1174-720

* 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