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SF MARATHON 1ST HALF 2026

Matthew Mansfield

San Francisco, CA

Bib: 20623 M 50

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Top 17%
Gender (Male)
#0 / 3619
Top 25%
Masters (Masters Men)
#0 / 1030
Top 17%
Division (M50-54)
#0 / 196
Top 15%
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
8:39/mi
17:18
→ flat
12 ft elev
4M
8:47/mi
34:52
↑ 67↓ 69
10 ft elev
6M
9:07/mi
53:07
↑ 1231.1%
126 ft elev
8M
8:29/mi
1:10:04
↑ 166↓ 531.1%
246 ft elev
9.6M
8:29/mi
1:23:38
↑ 68↓ 1931.5%
126 ft elev
10M
17:51/mi
1:30:46
↓ 241.1%
90 ft elev
10.5M
4:26/mi
1:32:59
↓ 732.7%
18 ft elev
12M
11:44/mi
1:50:35
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
8:06/mi
1:59:34
↑ 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
Time53:07
Pace8:51 /mi
2nd Half
Distance7.11 mi
Time1:06:27
Pace9:21 /mi
📊Positive Split: 25.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:52:1417:188:3917:18
8:39
-
4M
4.00 mi07:09:4834:528:4317:34
8:47
+0:08
6M
6.00 mi07:28:0353:078:5118:15
9:07
+0:20
8M
8.00 mi07:45:001:10:048:4616:57
8:29
-0:38
9.6M
9.60 mi07:58:341:23:388:4313:34
8:29
0:00
10M
10.00 mi08:05:421:30:469:057:08
17:51
+9:22
10.5M
10.50 mi08:07:551:32:598:512:13
4:26
-13:25
12M
12.00 mi08:25:311:50:359:1317:36
11:44
+7:18
Finish
13.11 mi08:34:301:59:349:078:59
8:06
-3:38

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

4:26 /mi

Average Pace

9:07 /mi

Slowest Pace

17:51 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13

2% of race

Time at Steady Pace

1:32:37

77% of race

Time at Slower Pace

24:44

21% of race

Average Pace: 9:07 /mi

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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 mi06:52:1417:188:3917:18
8:39
#1074
4M
4.00 mi07:09:4834:528:4317:34
8:47
#1086
6M
6.00 mi07:28:0353:078:5118:15
9:07
#1228
8M
8.00 mi07:45:001:10:048:4616:57
8:29
#1055
9.6M
9.60 mi07:58:341:23:388:4313:34
8:29
#1185
10M
10.00 mi08:05:421:30:469:057:08
17:51
#1273
10.5M
10.50 mi08:07:551:32:598:512:13
4:26
#1275
12M
12.00 mi08:25:311:50:359:1317:36
11:44
#1208
Finish
13.11 mi08:34:301:59:349:078:59
8:06
#1125
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 32%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:21

Segment Time

10:24/mi

Pace

0.90 mi

Distance

Overall

2092

Men

1494

Division

65

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
2M2.00 mi2.00 mi107485533104281230
4M4.00 mi2.00 mi1086-12864-932+1114090933
6M6.00 mi2.00 mi1228-142969-10536-41581120944
8M8.00 mi2.00 mi1055+173855+11428+879667226
9.6M9.60 mi1.60 mi1185-130945-9033-52093137861
10M10.00 mi0.40 mi1273-881008-6339-62273159173
10.5M10.50 mi0.50 mi1275-21009-138+11620122644
12M12.00 mi1.50 mi1208+67959+5034+4104281230
Finish13.11 mi1.11 mi1125+83902+5730+467856116

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 16%
~flat
+5ft-3ft

Overall

1042

Males

812

M50-54

30

2M→4M

2.0 - 4.0 mi

Top 17%
×4story building
+67ft-69ft

Overall

1140

Males

909

M50-54

33

4M→6M

4.0 - 6.0 mi

Top 24%
×9story building
+123ft-9ft

Overall

1581

Males

1209

M50-54

44

6M→8M

6.0 - 8.0 mi

Top 12%
×12story building
+166ft-53ft

Overall

796

Males

672

M50-54

26

8M→9.6M

8.0 - 9.6 mi

Top 32%
×13story building
+68ft-193ft

Overall

2093

Males

1378

M50-54

61

9.6M→10M

9.6 - 10.0 mi

Top 35%
×2story building
+0ft-24ft

Overall

2273

Males

1591

M50-54

73

10M→10.5M

10.0 - 10.5 mi

Top 25%
×6story building
+1ft-73ft

Overall

1620

Males

1226

M50-54

44

10.5M→12M

10.5 - 12.0 mi

Top 16%
×21story building
+280ft-26ft

Overall

1042

Males

812

M50-54

30

12M→Finish

12.0 - 13.1 mi

Top 10%
×7story building
+14ft-89ft

Overall

678

Males

561

M50-54

16

Passing Analysis

Category:
Athletes Passed
503*
Passed By
554
Net Change
-51
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1074
2M → 4M6274-12#1074#1086
4M → 6M18160-142#1086#1228
6M → 8M20027+173#1228#1055
8M → 9.6M20150-130#1055#1185
9.6M → 10M795-88#1185#1273
10M → 10.5M911-2#1273#1275
10.5M → 12M10336+67#1275#1208
12M → Finish84*1+83#1208#1125
TOTALS503*554-51

* 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