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SF MARATHON 1ST HALF 2025

Nicole Brown

Bib: 18338•F•Age: 24

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 7100
Gender (Female)
#0 / 3107
F20-29
#0 / 410
Race Day Weather
56°/46°F
light rain

⏱️ 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
1.81M
10:22/mi
18:46
→ flat
5.34M
10:44/mi
56:39
↑ 80↓ 74
6.15M
11:25/mi
1:05:54
↑ 1262.8%
10.54M
11:18/mi
1:55:30
↑ 230↓ 3610.6%
11.05M
15:27/mi
2:03:23
↑ 1726.4%
Finish· 13.11 mi
11:30/mi
2:27:03
↑ 97↓ 1140.2%

The Course

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Half Splits

1st Half· via 6.15MFaster
Distance6.15 mi
Time1:05:54
Pace10:43 /mi
2nd Half
Distance6.96 mi
Time1:21:09
Pace11:40 /mi
📊Positive Split: 23.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi07:06:2718:4610:2218:46
10:22
-
5.34M
5.34 mi07:44:2056:3910:3737:53
10:44
+0:22
6.15M
6.15 mi07:53:351:05:5410:439:15
11:25
+0:41
10.54M
10.54 mi08:43:111:55:3010:5849:36
11:18
-0:07
11.05M
11.05 mi08:51:042:03:2311:107:53
15:27
+4:09
Finish
13.11 mi09:14:442:27:0311:1323:40
11:30
-3:57

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

10:22 /mi

Average Pace

11:13 /mi

Slowest Pace

15:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

18:46

13% of race

Time at Steady Pace

2:00:24

82% of race

Time at Slower Pace

7:53

5% of race

Average Pace: 11:13 /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
1.81M
1.81 mi07:06:2718:4610:2218:46
10:22
#4668
5.34M
5.34 mi07:44:2056:3910:3737:53
10:44
#4610
6.15M
6.15 mi07:53:351:05:5410:439:15
11:25
#4603
10.54M
10.54 mi08:43:111:55:3010:5849:36
11:18
#4608
11.05M
11.05 mi08:51:042:03:2311:107:53
15:27
#4555
Finish
13.11 mi09:14:442:27:0311:1323:40
11:30
#4510
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
1.81M1.81 mi1.81 mi466817242654668(Top 66%)1724(Top 55%)265(Top 65%)
5.34M5.34 mi3.53 mi4610+581688+36263+24640(Top 65%)1703(Top 55%)267(Top 65%)
6.15M6.15 mi0.81 mi4603+71688269-64667(Top 66%)1716(Top 55%)276(Top 67%)
10.54M10.54 mi4.39 mi4608-51692-4277-84642(Top 65%)1738(Top 56%)273(Top 67%)
11.05M11.05 mi0.51 mi4555+531662+30267+104247(Top 60%)1554(Top 50%)248(Top 60%)
Finish13.11 mi2.06 mi4510+451669-7269-24413(Top 62%)1697(Top 55%)274(Top 67%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 66%
~flat
+4ft-3ft

Overall

4668

Females

1724

F20-24

266

1.81M→5.34M

1.8 - 5.3 mi

Top 65%
×4story building
+80ft-74ft

Overall

4640

Females

1703

F20-24

268

5.34M→6.15M

5.3 - 6.2 mi

Top 66%
×10story building
+126ft-4ft

Overall

4667

Females

1716

F20-24

277

6.15M→10.54M

6.2 - 10.5 mi

Top 65%
×21story building
+230ft-361ft

Overall

4642

Females

1738

F20-24

274

10.54M→11.05M

10.5 - 11.1 mi

Top 60%
×14story building
+172ft-0ft

Overall

4247

Females

1554

F20-24

249

11.05M→Finish

11.1 - 13.1 mi

Top 62%
×7story building
+97ft-114ft

Overall

4413

Females

1697

F20-24

274

Passing Analysis

Category:
Athletes Passed
745*
Passed By
587
Net Change
+158
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#4668
1.81M → 5.34M295*237+58#4668#4610
5.34M → 6.15M7467+7#4610#4603
6.15M → 10.54M198*203-5#4603#4608
10.54M → 11.05M7825+53#4608#4555
11.05M → Finish100*55+45#4555#4510
TOTALS745*587+158

* 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

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Race Place Events