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SF MARATHON 1ST HALF 2026

Allan Shields

Bib: 12153•M•Age: 51

Danville, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Masters (Masters Men)
#0 / 1030
Division (M50-54)
#0 / 196
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
10:23/mi
20:47
→ flat
4M
10:02/mi
40:50
↑ 67↓ 69
6M
11:21/mi
1:03:33
↑ 1231.1%
8M
11:31/mi
1:26:36
↑ 166↓ 531.1%
9.6M
11:31/mi
1:45:02
↑ 68↓ 1931.5%
10M
19:34/mi
1:52:51
↓ 241.1%
10.5M
5:02/mi
1:55:22
↓ 732.7%
12M
17:45/mi
2:22:00
↑ 2803.2%
Finish· 13.11 mi
11:04/mi
2:34:17
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:03:33
Pace10:36 /mi
2nd Half
Distance7.11 mi
Time1:30:44
Pace12:46 /mi
📊Positive Split: 42.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:55:4620:4710:2320:47
10:23
-
4M
4.00 mi07:15:4940:5010:1320:03
10:02
-0:21
6M
6.00 mi07:38:321:03:3310:3622:43
11:21
+1:19
8M
8.00 mi08:01:351:26:3610:4923:03
11:31
+0:10
9.6M
9.60 mi08:20:011:45:0210:5618:26
11:31
0:00
10M
10.00 mi08:27:501:52:5111:177:49
19:34
+8:03
10.5M
10.50 mi08:30:211:55:2210:592:31
5:02
-14:32
12M
12.00 mi08:56:592:22:0011:5026:38
17:45
+12:43
Finish
13.11 mi09:09:162:34:1711:4612:17
11:04
-6:41

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

5:02 /mi

Average Pace

11:46 /mi

Slowest Pace

19:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31

2% of race

Time at Steady Pace

1:57:19

76% of race

Time at Slower Pace

34:27

22% of race

Average Pace: 11:46 /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 mi06:55:4620:4710:2320:47
10:23
#3730
4M
4.00 mi07:15:4940:5010:1320:03
10:02
#3211
6M
6.00 mi07:38:321:03:3310:3622:43
11:21
#3635
8M
8.00 mi08:01:351:26:3610:4923:03
11:31
#3728
9.6M
9.60 mi08:20:011:45:0210:5618:26
11:31
#4075
10M
10.00 mi08:27:501:52:5111:177:49
19:34
#3979
10.5M
10.50 mi08:30:211:55:2210:592:31
5:02
#3958
12M
12.00 mi08:56:592:22:0011:5026:38
17:45
#4275
Finish
13.11 mi09:09:162:34:1711:4612:17
11:04
#4235
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

10:20

Segment Time

11:29/mi

Pace

0.90 mi

Distance

Overall

3179

Men

2099

Division

98

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
2M2.00 mi2.00 mi373024401205305(Top 81%)3062(Top 85%)148(Top 76%)
4M4.00 mi2.00 mi3211+5192161+279103+172843(Top 43%)1958(Top 54%)87(Top 44%)
6M6.00 mi2.00 mi3635-4242381-220112-94322(Top 66%)2728(Top 75%)126(Top 64%)
8M8.00 mi2.00 mi3728-932448-67117-54083(Top 62%)2630(Top 73%)126(Top 64%)
9.6M9.60 mi1.60 mi4075-3472610-162121-45481(Top 83%)3143(Top 87%)157(Top 80%)
10M10.00 mi0.40 mi3979+962553+57117+43261(Top 50%)2133(Top 59%)102(Top 52%)
10.5M10.50 mi0.50 mi3958+212542+111173262(Top 50%)2149(Top 59%)101(Top 52%)
12M12.00 mi1.50 mi4275-3172676-134122-55305(Top 81%)3062(Top 85%)148(Top 76%)
Finish13.11 mi1.11 mi4235+402649+27125-34098(Top 62%)2527(Top 70%)119(Top 61%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 81%
~flat
+5ft-3ft

Overall

5305

Males

3062

M50-54

148

2M→4M

2.0 - 4.0 mi

Top 43%
×4story building
+67ft-69ft

Overall

2843

Males

1958

M50-54

87

4M→6M

4.0 - 6.0 mi

Top 66%
×9story building
+123ft-9ft

Overall

4322

Males

2728

M50-54

126

6M→8M

6.0 - 8.0 mi

Top 62%
×12story building
+166ft-53ft

Overall

4083

Males

2630

M50-54

126

8M→9.6M

8.0 - 9.6 mi

Top 83%
×13story building
+68ft-193ft

Overall

5481

Males

3143

M50-54

157

9.6M→10M

9.6 - 10.0 mi

Top 50%
×2story building
+0ft-24ft

Overall

3261

Males

2133

M50-54

102

10M→10.5M

10.0 - 10.5 mi

Top 50%
×6story building
+1ft-73ft

Overall

3262

Males

2149

M50-54

101

10.5M→12M

10.5 - 12.0 mi

Top 81%
×21story building
+280ft-26ft

Overall

5305

Males

3062

M50-54

148

12M→Finish

12.0 - 13.1 mi

Top 62%
×7story building
+14ft-89ft

Overall

4098

Males

2527

M50-54

119

Passing Analysis

Category:
Athletes Passed
899*
Passed By
1404
Net Change
-505
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3730
2M → 4M54425+519#3730#3211
4M → 6M31455-424#3211#3635
6M → 8M95*188-93#3635#3728
8M → 9.6M6353-347#3728#4075
9.6M → 10M10711+96#4075#3979
10M → 10.5M210+21#3979#3958
10.5M → 12M22*339-317#3958#4275
12M → Finish73*33+40#4275#4235
TOTALS899*1404-505

* 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