San Francisco Marathon logo
SF MARATHON 2025

Isabella Ellefsen

Bib: 8576•F•Age: 26

Hayward, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6545
Gender (Female)
#0 / 1878
Division (F25-29)
#0 / 504
Race Day Weather
56°/46°F
overcast clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
1.81 Miles
20:03
Rank: #5766
Start → 1.81 Miles
20:03 | 11:05/mi
5.55 Miles
1:02:45
Rank: #5720 (+46)
1.81 Miles → 5.55 Miles
42:42 | 11:25/mi
6.52 Miles
1:14:31
Rank: #5715 (+5)
5.55 Miles → 6.52 Miles
11:46 | 12:08/mi
10.87 Miles
2:06:07
Rank: #5727 (-12)
6.52 Miles → 10.87 Miles
51:36 | 11:52/mi
Garmin Hill Challenge· 11.38 mi
2:14:29
Rank: #5765 (-38)
10.87 Miles → Garmin Hill Challenge
8:22 | 16:25/mi
14.95 Miles
3:03:53
Rank: #5949 (-184)
Garmin Hill Challenge → 14.95 Miles
49:24 | 13:50/mi
18 Miles
3:46:04
Rank: #5992 (-43)
14.95 Miles → 18 Miles
42:11 | 13:50/mi
25 Miles
5:23:50
Rank: #5904 (+88)
18 Miles → 25 Miles
1:37:46 | 13:58/mi
Finish· 26.22 mi
5:42:10
Rank: #5935 (-31)
25 Miles → Finish
18:20 | 15:03/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81 Miles
1.81 mi05:58:0920:0311:0520:03
11:05
-
5.55 Miles
5.55 mi06:40:511:02:4511:1842:42
11:25
+0:20
6.52 Miles
6.52 mi06:52:371:14:3111:2611:46
12:08
+0:43
10.87 Miles
10.87 mi07:44:132:06:0711:3651:36
11:52
-0:16
Garmin Hill Challenge
11.38 mi07:52:352:14:2911:498:22
16:25
+4:33
14.95 Miles
14.95 mi08:41:593:03:5312:1849:24
13:50
-2:35
18 Miles
18.00 mi09:24:103:46:0412:3442:11
13:50
0:00
25 Miles
25.00 mi11:01:565:23:5012:571:37:46
13:58
+0:08
Finish
26.22 mi11:20:165:42:1013:0418:20
15:03
+1:05

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

11:05 /mi

Average Pace

13:04 /mi

Slowest Pace

16:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:07

37% of race

Time at Steady Pace

3:09:21

55% of race

Time at Slower Pace

26:42

8% of race

Average Pace: 13:03 /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...
0mi6.6mi13.1mi19.7mi26.2mi
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
1.81 Miles
1.81 mi05:58:0920:0311:0520:03
11:05
#5766
5.55 Miles
5.55 mi06:40:511:02:4511:1842:42
11:25
#5720
6.52 Miles
6.52 mi06:52:371:14:3111:2611:46
12:08
#5715
10.87 Miles
10.87 mi07:44:132:06:0711:3651:36
11:52
#5727
Garmin Hill Challenge
11.38 mi07:52:352:14:2911:498:22
16:25
#5765
14.95 Miles
14.95 mi08:41:593:03:5312:1849:24
13:50
#5949
18 Miles
18.00 mi09:24:103:46:0412:3442:11
13:50
#5992
25 Miles
25.00 mi11:01:565:23:5012:571:37:46
13:58
#5904
Finish
26.22 mi11:20:165:42:1013:0418:20
15:03
#5935
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
1.81 Miles1.81 mi1.81 mi576615174055766(Top 88%)1517(Top 81%)405(Top 80%)
5.55 Miles5.55 mi3.74 mi5720+461493+244055701(Top 87%)1485(Top 79%)407(Top 81%)
6.52 Miles6.52 mi0.97 mi5715+51482+11409-45689(Top 87%)1480(Top 79%)416(Top 83%)
10.87 Miles10.87 mi4.35 mi5727-121495-13414-55746(Top 88%)1524(Top 81%)423(Top 84%)
Garmin Hill Challenge11.38 mi0.51 mi5765-381508-13417-35676(Top 87%)1488(Top 79%)416(Top 83%)
14.95 Miles14.95 mi3.57 mi5949-1841602-94442-256235(Top 95%)1743(Top 93%)484(Top 96%)
18 Miles18.00 mi3.05 mi5992-431632-30453-115667(Top 87%)1576(Top 84%)445(Top 88%)
25 Miles25.00 mi7.00 mi5904+881616+16445+85668(Top 87%)1604(Top 85%)432(Top 86%)
Finish26.22 mi1.22 mi5935-311628-12452-76069(Top 93%)1717(Top 91%)470(Top 93%)

Segment Performance Analysis

Start → 1.81 Miles

0.0 - 1.8 mi

Top 88%
×1human
+6ft-10ft

Overall

5766

Females

1517

F25-29

412

1.81 Miles→5.55 Miles

1.8 - 5.5 mi

Top 87%
×6stories
+97ft-86ft

Overall

5701

Females

1485

F25-29

414

5.55 Miles→6.52 Miles

5.5 - 6.5 mi

Top 87%
×15stories
+178ft-5ft

Overall

5689

Females

1480

F25-29

423

6.52 Miles→10.87 Miles

6.5 - 10.9 mi

Top 88%
×20stories
+201ft-318ft

Overall

5746

Females

1524

F25-29

431

10.87 Miles→Garmin Hill Challenge

10.9 - 11.4 mi

Top 87%
×11stories
+134ft-79ft

Overall

5676

Females

1488

F25-29

423

Garmin Hill Challenge→14.95 Miles

11.4 - 14.9 mi

Top 95%
×17stories
+251ft-225ft

Overall

6235

Females

1743

F25-29

490

14.95 Miles→18 Miles

14.9 - 18.0 mi

Top 87%
×12stories
+165ft-60ft

Overall

5667

Females

1576

F25-29

450

18 Miles→25 Miles

18.0 - 25.0 mi

Top 87%
×22stories
+142ft-378ft

Overall

5668

Females

1604

F25-29

433

25 Miles→Finish

25.0 - 26.2 mi

Top 93%
~flat
+2ft-0ft

Overall

6069

Females

1717

F25-29

470

Passing Analysis

Category:
Athletes Passed
567*
Passed By
736
Net Change
-169
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81 Miles----#5766
1.81 Miles → 5.55 Miles190144+46#5766#5720
5.55 Miles → 6.52 Miles5348+5#5720#5715
6.52 Miles → 10.87 Miles97*109-12#5715#5727
10.87 Miles → Garmin Hill Challenge2159-38#5727#5765
Garmin Hill Challenge → 14.95 Miles25*209-184#5765#5949
14.95 Miles → 18 Miles34*77-43#5949#5992
18 Miles → 25 Miles139*51+88#5992#5904
25 Miles → Finish8*39-31#5904#5935
TOTALS567*736-169

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

📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

The San Francisco Marathon

The San Francisco Marathon