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SF MARATHON 1ST HALF 2025

Will Pelech

Centennial, CO

Bib: 18944 M 21

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 25%
Gender (Male)
#0 / 3977
Top 34%
M20-29
#0 / 437
Top 47%
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
7:18/mi
13:12
→ flat
12 ft elev
5.34M
8:26/mi
42:58
↑ 80↓ 74
19 ft elev
6.15M
9:07/mi
50:21
↑ 1262.8%
149 ft elev
10.54M
9:20/mi
1:31:20
↑ 230↓ 3610.6%
20 ft elev
11.05M
15:12/mi
1:39:05
↑ 1726.4%
213 ft elev
Finish· 13.11 mi
11:11/mi
2:02:06
↑ 97↓ 1140.2%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
50:218:11 /mi⚡ faster
2nd Half
1:11:4510:19 /mi+42.5%
Positive split — 42.5% slower in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi06:55:3213:127:1813:12
7:18
-
5.34M
5.34 mi07:25:1842:588:0329:46
8:26
+1:08
6.15M
6.15 mi07:32:4150:218:117:23
9:07
+0:41
10.54M
10.54 mi08:13:401:31:208:4040:59
9:20
+0:13
11.05M
11.05 mi08:21:251:39:058:587:45
15:12
+5:52
Finish
13.11 mi08:44:262:02:069:1923:01
11:11
-4:01

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

7:18 /mi

Average Pace

9:19 /mi

Slowest Pace

15:12 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

13:12

11% of race

Time at Steady Pace

1:18:08

64% of race

Time at Slower Pace

30:46

25% of race

Average Pace: 9:19 /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 mi06:55:3213:127:1813:12
7:18
#181
5.34M
5.34 mi07:25:1842:588:0329:46
8:26
#642
6.15M
6.15 mi07:32:4150:218:117:23
9:07
#733
10.54M
10.54 mi08:13:401:31:208:4040:59
9:20
#1133
11.05M
11.05 mi08:21:251:39:058:587:45
15:12
#1351
Finish
13.11 mi08:44:262:02:069:1923:01
11:11
#1780
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
1.81M1.81 mi1.81 mi1811612618116126
5.34M5.34 mi3.53 mi642-461540-37980-541026828120
6.15M6.15 mi0.81 mi733-91613-7390-1014441133178
10.54M10.54 mi4.39 mi1133-400910-297134-4419911493217
11.05M11.05 mi0.51 mi1351-2181065-155168-3440512578334
Finish13.11 mi2.06 mi1780-4291346-281207-3940492524332

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 3%
~flat
+4ft-3ft

Overall

181

Males

161

M20-24

26

1.81M→5.34M

1.8 - 5.3 mi

Top 14%
×4story building
+80ft-74ft

Overall

1026

Males

828

M20-24

120

5.34M→6.15M

5.3 - 6.2 mi

Top 20%
×10story building
+126ft-4ft

Overall

1444

Males

1133

M20-24

178

6.15M→10.54M

6.2 - 10.5 mi

Top 28%
×21story building
+230ft-361ft

Overall

1991

Males

1493

M20-24

217

10.54M→11.05M

10.5 - 11.1 mi

Top 57%
×14story building
+172ft-0ft

Overall

4051

Males

2578

M20-24

334

11.05M→Finish

11.1 - 13.1 mi

Top 57%
×7story building
+97ft-114ft

Overall

4049

Males

2524

M20-24

332

Passing Analysis

Category:
Athletes Passed
13*
Passed By
1612
Net Change
-1599
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#181
1.81M → 5.34M1462-461#181#642
5.34M → 6.15M192-91#642#733
6.15M → 10.54M3403-400#733#1133
10.54M → 11.05M1219-218#1133#1351
11.05M → Finish7*436-429#1351#1780
TOTALS13*1612-1599

* 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