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SF MARATHON 1ST HALF 2026

Colin Gustafson

Brooklyn, NY

Bib: 12186 M 44

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Top 22%
Gender (Male)
#0 / 3619
Top 31%
Masters (Masters Men)
#0 / 1030
Top 21%
Division (M40-44)
#0 / 319
Top 26%
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
9:24/mi
18:49
→ flat
12 ft elev
4M
9:08/mi
37:05
↑ 67↓ 69
10 ft elev
6M
10:23/mi
57:51
↑ 1231.1%
126 ft elev
8M
8:33/mi
1:14:58
↑ 166↓ 531.1%
246 ft elev
9.6M
8:33/mi
1:28:39
↑ 68↓ 1931.5%
126 ft elev
10M
17:34/mi
1:35:40
↓ 241.1%
90 ft elev
10.5M
4:22/mi
1:37:51
↓ 732.7%
18 ft elev
12M
11:12/mi
1:54:39
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
7:56/mi
2:03:27
↑ 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
Time57:51
Pace9:39 /mi
2nd Half
Distance7.11 mi
Time1:05:36
Pace9:14 /mi
📊Positive Split: 13.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:02:5018:499:2418:49
9:24
-
4M
4.00 mi07:21:0637:059:1618:16
9:08
-0:16
6M
6.00 mi07:41:5257:519:3920:46
10:23
+1:15
8M
8.00 mi07:58:591:14:589:2217:07
8:33
-1:50
9.6M
9.60 mi08:12:401:28:399:1413:41
8:33
0:00
10M
10.00 mi08:19:411:35:409:347:01
17:34
+9:01
10.5M
10.50 mi08:21:521:37:519:192:11
4:22
-13:12
12M
12.00 mi08:38:401:54:399:3316:48
11:12
+6:50
Finish
13.11 mi08:47:282:03:279:258:48
7:56
-3:16

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

4:22 /mi

Average Pace

9:25 /mi

Slowest Pace

17:34 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11

2% of race

Time at Steady Pace

1:37:27

79% of race

Time at Slower Pace

23:49

19% of race

Average Pace: 9:25 /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 mi07:02:5018:499:2418:49
9:24
#2109
4M
4.00 mi07:21:0637:059:1618:16
9:08
#1851
6M
6.00 mi07:41:5257:519:3920:46
10:23
#2280
8M
8.00 mi07:58:591:14:589:2217:07
8:33
#1811
9.6M
9.60 mi08:12:401:28:399:1413:41
8:33
#1833
10M
10.00 mi08:19:411:35:409:347:01
17:34
#1839
10.5M
10.50 mi08:21:521:37:519:192:11
4:22
#1831
12M
12.00 mi08:38:401:54:399:3316:48
11:12
#1572
Finish
13.11 mi08:47:282:03:279:258:48
7:56
#1462
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 29%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:12

Segment Time

10:14/mi

Pace

0.90 mi

Distance

Overall

1918

Men

1397

Division

112

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
2M2.00 mi2.00 mi21091531128703(Top 11%)564(Top 16%)49(Top 15%)
4M4.00 mi2.00 mi1851+2581384+147113+151623(Top 25%)1238(Top 34%)95(Top 30%)
6M6.00 mi2.00 mi2280-4291636-252135-223129(Top 48%)2128(Top 59%)168(Top 53%)
8M8.00 mi2.00 mi1811+4691378+258111+24879(Top 13%)734(Top 20%)62(Top 19%)
9.6M9.60 mi1.60 mi1833-221368+10106+52190(Top 33%)1439(Top 40%)110(Top 34%)
10M10.00 mi0.40 mi1839-61367+11062127(Top 32%)1494(Top 41%)120(Top 38%)
10.5M10.50 mi0.50 mi1831+81361+61061476(Top 22%)1141(Top 32%)86(Top 27%)
12M12.00 mi1.50 mi1572+2591195+16688+18703(Top 11%)564(Top 16%)49(Top 15%)
Finish13.11 mi1.11 mi1462+1101125+7082+6544(Top 8%)457(Top 13%)41(Top 13%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 11%
~flat
+5ft-3ft

Overall

703

Males

564

M40-44

49

2M→4M

2.0 - 4.0 mi

Top 25%
×4story building
+67ft-69ft

Overall

1623

Males

1238

M40-44

95

4M→6M

4.0 - 6.0 mi

Top 48%
×9story building
+123ft-9ft

Overall

3129

Males

2128

M40-44

168

6M→8M

6.0 - 8.0 mi

Top 13%
×12story building
+166ft-53ft

Overall

879

Males

734

M40-44

62

8M→9.6M

8.0 - 9.6 mi

Top 33%
×13story building
+68ft-193ft

Overall

2190

Males

1439

M40-44

110

9.6M→10M

9.6 - 10.0 mi

Top 32%
×2story building
+0ft-24ft

Overall

2127

Males

1494

M40-44

120

10M→10.5M

10.0 - 10.5 mi

Top 22%
×6story building
+1ft-73ft

Overall

1476

Males

1141

M40-44

86

10.5M→12M

10.5 - 12.0 mi

Top 11%
×21story building
+280ft-26ft

Overall

703

Males

564

M40-44

49

12M→Finish

12.0 - 13.1 mi

Top 8%
×7story building
+14ft-89ft

Overall

544

Males

457

M40-44

41

Passing Analysis

Category:
Athletes Passed
1263*
Passed By
616
Net Change
+647
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2109
2M → 4M27820+258#2109#1851
4M → 6M8437-429#1851#2280
6M → 8M471*2+469#2280#1811
8M → 9.6M85107-22#1811#1833
9.6M → 10M2531-6#1833#1839
10M → 10.5M124+8#1839#1831
10.5M → 12M27314+259#1831#1572
12M → Finish111*1+110#1572#1462
TOTALS1263*616+647

* 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