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SF MARATHON 1ST HALF 2025

Robin Smith

Boston, MA

Bib: 11848 M 54

0:00
0:00
/ mi
Masters
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Overall
#0 / 7100
Gender (Male)
#0 / 3977
Masters (Masters Men)
#0 / 1096
Division (M50-54)
#0 / 185
Race Day Weather
56°/46°F
light rain

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.81M
10:14/mi
18:32
→ flat
12 ft elev
5.34M
11:30/mi
59:08
↑ 80↓ 74
19 ft elev
6.15M
11:56/mi
1:08:48
↑ 1262.8%
149 ft elev
10.54M
12:49/mi
2:05:02
↑ 230↓ 3610.6%
20 ft elev
11.05M
18:10/mi
2:14:18
↑ 1726.4%
213 ft elev
Finish· 13.11 mi
14:31/mi
2:44:12
↑ 97↓ 1140.2%
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 6.15MFaster
Distance6.15 mi
Time1:08:48
Pace11:11 /mi
2nd Half
Distance6.96 mi
Time1:35:24
Pace13:42 /mi
📊Positive Split: 38.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi06:49:1618:3210:1418:32
10:14
-
5.34M
5.34 mi07:29:5259:0811:0440:36
11:30
+1:16
6.15M
6.15 mi07:39:321:08:4811:119:40
11:56
+0:26
10.54M
10.54 mi08:35:462:05:0211:5256:14
12:49
+0:53
11.05M
11.05 mi08:45:022:14:1812:099:16
18:10
+5:21
Finish
13.11 mi09:14:562:44:1212:3229:54
14:31
-3:39

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

10:14 /mi

Average Pace

12:32 /mi

Slowest Pace

18:10 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

59:08

36% of race

Time at Steady Pace

1:05:54

40% of race

Time at Slower Pace

39:10

24% of race

Average Pace: 12:31 /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
1.81M
1.81 mi06:49:1618:3210:1418:32
10:14
#4399
5.34M
5.34 mi07:29:5259:0811:0440:36
11:30
#5323
6.15M
6.15 mi07:39:321:08:4811:119:40
11:56
#5299
10.54M
10.54 mi08:35:462:05:0211:5256:14
12:49
#5676
11.05M
11.05 mi08:45:022:14:1812:099:16
18:10
#5708
Finish
13.11 mi09:14:562:44:1212:3229:54
14:31
#5898
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
1.81M1.81 mi1.81 mi4399279911643992799116
5.34M5.34 mi3.53 mi5323-9243248-449139-2356113358143
6.15M6.15 mi0.81 mi5299+243236+12135+451883175131
10.54M10.54 mi4.39 mi5676-3773380-144144-960543528154
11.05M11.05 mi0.51 mi5708-323391-11143+158603435150
Finish13.11 mi2.06 mi5898-1903468-77150-764583655169

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 62%
~flat
+4ft-3ft

Overall

4399

Males

2799

M50-54

118

1.81M→5.34M

1.8 - 5.3 mi

Top 79%
×4story building
+80ft-74ft

Overall

5611

Males

3358

M50-54

144

5.34M→6.15M

5.3 - 6.2 mi

Top 73%
×10story building
+126ft-4ft

Overall

5188

Males

3175

M50-54

132

6.15M→10.54M

6.2 - 10.5 mi

Top 85%
×21story building
+230ft-361ft

Overall

6054

Males

3528

M50-54

155

10.54M→11.05M

10.5 - 11.1 mi

Top 83%
×14story building
+172ft-0ft

Overall

5860

Males

3435

M50-54

151

11.05M→Finish

11.1 - 13.1 mi

Top 91%
×7story building
+97ft-114ft

Overall

6458

Males

3655

M50-54

169

Passing Analysis

Category:
Athletes Passed
246*
Passed By
1745
Net Change
-1499
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#4399
1.81M → 5.34M68*992-924#4399#5323
5.34M → 6.15M7753+24#5323#5299
6.15M → 10.54M55*432-377#5299#5676
10.54M → 11.05M2355-32#5676#5708
11.05M → Finish23*213-190#5708#5898
TOTALS246*1745-1499

* 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