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SF MARATHON 1ST HALF 2025

Michael Gregg

San Francisco, CA

Bib: 18760 M 32

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 26%
Gender (Male)
#0 / 3977
Top 34%
Division (M30-34)
#0 / 872
Top 34%
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
9:17/mi
16:48
→ flat
12 ft elev
5.34M
9:17/mi
49:34
↑ 80↓ 74
19 ft elev
6.15M
9:45/mi
57:28
↑ 1262.8%
149 ft elev
10.54M
9:21/mi
1:38:31
↑ 230↓ 3610.6%
20 ft elev
11.05M
11:48/mi
1:44:32
↑ 1726.4%
213 ft elev
Finish· 13.11 mi
8:45/mi
2:02:34
↑ 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
57:289:21 /mi⚡ faster
2nd Half
1:05:069:21 /mi+13.3%
Positive split — 13.3% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi06:53:3516:489:1716:48
9:17
-
5.34M
5.34 mi07:26:2149:349:1732:46
9:17
0:00
6.15M
6.15 mi07:34:1557:289:217:54
9:45
+0:28
10.54M
10.54 mi08:15:181:38:319:2141:03
9:21
-0:24
11.05M
11.05 mi08:21:191:44:329:286:01
11:48
+2:27
Finish
13.11 mi08:39:212:02:349:2118:02
8:45
-3:03

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

8:45 /mi

Average Pace

9:21 /mi

Slowest Pace

11:48 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

18:02

15% of race

Time at Steady Pace

1:38:31

80% of race

Time at Slower Pace

6:01

5% of race

Average Pace: 9:21 /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.

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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 mi06:53:3516:489:1716:48
9:17
#2463
5.34M
5.34 mi07:26:2149:349:1732:46
9:17
#2311
6.15M
6.15 mi07:34:1557:289:217:54
9:45
#2283
10.54M
10.54 mi08:15:181:38:319:2141:03
9:21
#2127
11.05M
11.05 mi08:21:191:44:329:286:01
11:48
#2035
Finish
13.11 mi08:39:212:02:349:2118:02
8:45
#1819
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
1.81M1.81 mi1.81 mi2463178338024631783380
5.34M5.34 mi3.53 mi2311+1521684+99358+2222791660354
6.15M6.15 mi0.81 mi2283+281663+21352+623601704360
10.54M10.54 mi4.39 mi2127+1561570+93337+1520231512329
11.05M11.05 mi0.51 mi2035+921512+58325+1214831137242
Finish13.11 mi2.06 mi1819+2161371+141300+25912738163

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 35%
~flat
+4ft-3ft

Overall

2463

Males

1783

M30-34

380

1.81M→5.34M

1.8 - 5.3 mi

Top 32%
×4story building
+80ft-74ft

Overall

2279

Males

1660

M30-34

354

5.34M→6.15M

5.3 - 6.2 mi

Top 33%
×10story building
+126ft-4ft

Overall

2360

Males

1704

M30-34

360

6.15M→10.54M

6.2 - 10.5 mi

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

Overall

2023

Males

1512

M30-34

329

10.54M→11.05M

10.5 - 11.1 mi

Top 21%
×14story building
+172ft-0ft

Overall

1483

Males

1137

M30-34

242

11.05M→Finish

11.1 - 13.1 mi

Top 13%
×7story building
+97ft-114ft

Overall

912

Males

738

M30-34

163

Passing Analysis

Category:
Athletes Passed
866*
Passed By
222
Net Change
+644
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#2463
1.81M → 5.34M262*110+152#2463#2311
5.34M → 6.15M6133+28#2311#2283
6.15M → 10.54M226*70+156#2283#2127
10.54M → 11.05M997+92#2127#2035
11.05M → Finish218*2+216#2035#1819
TOTALS866*222+644

* 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