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SF MARATHON 2025

Monica Stampfli

Bib: 2896โ€ขFโ€ขAge: 28

South San Mateo, CA

0:00
0:00
/ mi
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Overall
#0 / 6545
Gender (Female)
#0 / 1878
Top 45%
Division (F25-29)
#0 / 504
Top 47%
Race Day Weather
56ยฐ/46ยฐF
overcast clouds

โฑ๏ธ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
1.81 Miles
16:30
Rank: #2666
Start โ†’ 1.81 Miles
16:30 | 9:07/mi
5.55 Miles
50:16
Rank: #2490 (+176)
1.81 Miles โ†’ 5.55 Miles
33:46 | 9:02/mi
6.52 Miles
59:54
Rank: #2582 (-92)
5.55 Miles โ†’ 6.52 Miles
9:38 | 9:56/mi
10.87 Miles
1:44:15
Rank: #3106 (-524)
6.52 Miles โ†’ 10.87 Miles
44:21 | 10:12/mi
Garmin Hill Challengeยท 11.38 mi
1:52:30
Rank: #3371 (-265)
10.87 Miles โ†’ Garmin Hill Challenge
8:15 | 16:11/mi
14.95 Miles
2:26:45
Rank: #3571 (-200)
Garmin Hill Challenge โ†’ 14.95 Miles
34:15 | 9:36/mi
18 Miles
3:05:11
Rank: #3756 (-185)
14.95 Miles โ†’ 18 Miles
38:26 | 12:36/mi
25 Miles
4:26:17
Rank: #3858 (-102)
18 Miles โ†’ 25 Miles
1:21:06 | 11:35/mi
Finishยท 26.22 mi
4:38:39
Rank: #3792 (+66)
25 Miles โ†’ Finish
12:22 | 10:09/mi

Course Map & Elevation

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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81 Miles
1.81 mi05:48:5616:309:0716:30
9:07
-
5.55 Miles
5.55 mi06:22:4250:169:0333:46
9:02
-0:05
6.52 Miles
6.52 mi06:32:2059:549:119:38
9:56
+0:54
10.87 Miles
10.87 mi07:16:411:44:159:3544:21
10:12
+0:16
Garmin Hill Challenge
11.38 mi07:24:561:52:309:538:15
16:11
+5:59
14.95 Miles
14.95 mi07:59:112:26:459:4934:15
9:36
-6:35
18 Miles
18.00 mi08:37:373:05:1110:1738:26
12:36
+3:00
25 Miles
25.00 mi09:58:434:26:1710:391:21:06
11:35
-1:01
Finish
26.22 mi10:11:054:38:3910:3812:22
10:09
-1:26

Checkpoints & Pacing

๐Ÿ“ˆPace 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

9:02 /mi

Average Pace

10:38 /mi

Slowest Pace

16:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

๐Ÿ“ŠSegments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

33:46

12% of race

Time at Steady Pace

1:57:06

42% of race

Time at Slower Pace

2:07:47

46% of race

Average Pace: 10:38 /mi

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Faster pace (< avg)
Steady pace (โ‰ˆ avg)
Slower pace (> avg)

๐ŸŽจHeatmap

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...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

โœจSparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
1.81 Miles
1.81 mi05:48:5616:309:0716:30
9:07
#2666
5.55 Miles
5.55 mi06:22:4250:169:0333:46
9:02
#2490
6.52 Miles
6.52 mi06:32:2059:549:119:38
9:56
#2582
10.87 Miles
10.87 mi07:16:411:44:159:3544:21
10:12
#3106
Garmin Hill Challenge
11.38 mi07:24:561:52:309:538:15
16:11
#3371
14.95 Miles
14.95 mi07:59:112:26:459:4934:15
9:36
#3571
18 Miles
18.00 mi08:37:373:05:1110:1738:26
12:36
#3756
25 Miles
25.00 mi09:58:434:26:1710:391:21:06
11:35
#3858
Finish
26.22 mi10:11:054:38:3910:3812:22
10:09
#3792
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
1.81 Miles1.81 mi1.81 mi26664441162666(Top 41%)444(Top 24%)116(Top 23%)
5.55 Miles5.55 mi3.74 mi2490+176388+5698+182425(Top 37%)375(Top 20%)92(Top 18%)
6.52 Miles6.52 mi0.97 mi2582-92407-19104-63041(Top 46%)536(Top 29%)157(Top 31%)
10.87 Miles10.87 mi4.35 mi3106-524562-155160-563870(Top 59%)814(Top 43%)233(Top 46%)
Garmin Hill Challenge11.38 mi0.51 mi3371-265644-82187-275595(Top 85%)1451(Top 77%)406(Top 81%)
14.95 Miles14.95 mi3.57 mi3571-200710-66205-184318(Top 66%)980(Top 52%)271(Top 54%)
18 Miles18.00 mi3.05 mi3756-185790-80229-244625(Top 71%)1170(Top 62%)330(Top 65%)
25 Miles25.00 mi7.00 mi3858-102862-72244-154064(Top 62%)1032(Top 55%)292(Top 58%)
Finish26.22 mi1.22 mi3792+66839+23237+72689(Top 41%)606(Top 32%)171(Top 34%)

Segment Performance Analysis

Start โ†’ 1.81 Miles

0.0 - 1.8 mi

Top 41%
ร—1human
+6ft-10ft

Overall

2666

Females

444

F25-29

118

1.81 Milesโ†’5.55 Miles

1.8 - 5.5 mi

Top 37%
ร—6stories
+97ft-86ft

Overall

2425

Females

375

F25-29

94

5.55 Milesโ†’6.52 Miles

5.5 - 6.5 mi

Top 46%
ร—15stories
+178ft-5ft

Overall

3041

Females

536

F25-29

160

6.52 Milesโ†’10.87 Miles

6.5 - 10.9 mi

Top 59%
ร—20stories
+201ft-318ft

Overall

3870

Females

814

F25-29

236

10.87 Milesโ†’Garmin Hill Challenge

10.9 - 11.4 mi

Top 85%
ร—11stories
+134ft-79ft

Overall

5595

Females

1451

F25-29

413

Garmin Hill Challengeโ†’14.95 Miles

11.4 - 14.9 mi

Top 66%
ร—17stories
+251ft-225ft

Overall

4318

Females

980

F25-29

275

14.95 Milesโ†’18 Miles

14.9 - 18.0 mi

Top 71%
ร—12stories
+165ft-60ft

Overall

4625

Females

1170

F25-29

334

18 Milesโ†’25 Miles

18.0 - 25.0 mi

Top 62%
ร—22stories
+142ft-378ft

Overall

4064

Females

1032

F25-29

293

25 Milesโ†’Finish

25.0 - 26.2 mi

Top 41%
~flat
+2ft-0ft

Overall

2689

Females

606

F25-29

171

Passing Analysis

Category:
Athletes Passed
589*
Passed By
1715
Net Change
-1126
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start โ†’ 1.81 Miles----#2666
1.81 Miles โ†’ 5.55 Miles26387+176#2666#2490
5.55 Miles โ†’ 6.52 Miles13105-92#2490#2582
6.52 Miles โ†’ 10.87 Miles6*530-524#2582#3106
10.87 Miles โ†’ Garmin Hill Challenge0265-265#3106#3371
Garmin Hill Challenge โ†’ 14.95 Miles22*222-200#3371#3571
14.95 Miles โ†’ 18 Miles55*240-185#3571#3756
18 Miles โ†’ 25 Miles155*257-102#3756#3858
25 Miles โ†’ Finish75*9+66#3858#3792
TOTALS589*1715-1126

* Includes athletes who did not complete a segment (DNF/DNQ).

๐Ÿ“Š

Passing Visuals

Category:

๐Ÿ“ˆPosition Graph

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๐ŸŽจHeatmap Timeline

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๐Ÿ”„Passing Circle

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๐ŸŒŠPosition Flow

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๐ŸƒRace Lanes

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Public Race Data

The San Francisco Marathon

The San Francisco Marathon