San Francisco Marathon logo
SF MARATHON 2026

Britney Pfafman

Bib: 10123•F•Age: 27

SF, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 7166
Gender (Female)
#0 / 2086
Division (F25-29)
#0 / 614
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
23:18
Rank: #6591
Start → 2M
23:18 | 11:39/mi
4M
47:15
Rank: #6557 (+34)
2M → 4M
23:57 | 11:59/mi
6M
1:11:54
Rank: #6541 (+16)
4M → 6M
24:39 | 12:19/mi
8M
1:35:47
Rank: #6581 (-40)
6M → 8M
23:53 | 11:56/mi
9.6M
2:00:47
Rank: #6782 (-201)
8M → 9.6M
25:00 | 15:37/mi
10M
2:03:46
Rank: #6752 (+30)
9.6M → 10M
2:59 | 7:28/mi
10.5M
2:11:31
Rank: #6681 (+71)
10M → 10.5M
7:45 | 15:30/mi
12M
2:29:02
Rank: #6575 (+106)
10.5M → 12M
17:31 | 11:41/mi
14M
2:54:50
Rank: #6472 (+103)
12M → 14M
25:48 | 12:54/mi
16M
3:14:40
Rank: #6290 (+182)
14M → 16M
19:50 | 9:55/mi
18M
3:43:41
Rank: #6335 (-45)
16M → 18M
29:01 | 14:31/mi
20M
4:08:33
Rank: #6223 (+112)
18M → 20M
24:52 | 12:26/mi
22M
4:33:13
Rank: #6160 (+63)
20M → 22M
24:40 | 12:20/mi
24M
5:00:17
Rank: #6088 (+72)
22M → 24M
27:04 | 13:32/mi
Finish· 26.22 mi
5:29:22
Rank: #6024 (+64)
24M → Finish
29:05 | 13:06/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.

Half Splits

1st Half· via 14M
Distance14.00 mi
Time2:54:50
Pace12:29 /mi
2nd Half✓ Faster
Distance12.22 mi
Time2:34:32
Pace12:39 /mi
📊Negative Split: 11.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:57:0023:1811:3923:18
11:39
-
4M
4.00 mi06:20:5747:1511:4923:57
11:59
+0:20
6M
6.00 mi06:45:361:11:5411:5924:39
12:19
+0:20
8M
8.00 mi07:09:291:35:4711:5823:53
11:56
-0:23
9.6M
9.60 mi07:34:292:00:4712:3525:00
15:37
+3:41
10M
10.00 mi07:37:282:03:4612:232:59
7:28
-8:09
10.5M
10.50 mi07:45:132:11:3112:327:45
15:30
+8:02
12M
12.00 mi08:02:442:29:0212:2517:31
11:41
-3:49
14M
14.00 mi08:28:322:54:5012:2925:48
12:54
+1:13
16M
16.00 mi08:48:223:14:4012:1019:50
9:55
-2:59
18M
18.00 mi09:17:233:43:4112:2629:01
14:31
+4:36
20M
20.00 mi09:42:154:08:3312:2624:52
12:26
-2:05
22M
22.00 mi10:06:554:33:1312:2524:40
12:20
-0:06
24M
24.00 mi10:33:595:00:1712:3127:04
13:32
+1:12
Finish
26.22 mi11:03:045:29:2212:3429:05
13:06
-0:26

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

7:28 /mi

Average Pace

12:34 /mi

Slowest Pace

15:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

22:49

7% of race

Time at Steady Pace

3:37:43

66% of race

Time at Slower Pace

1:28:50

27% of race

Average Pace: 12:34 /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
2M
2.00 mi05:57:0023:1811:3923:18
11:39
#6591
4M
4.00 mi06:20:5747:1511:4923:57
11:59
#6557
6M
6.00 mi06:45:361:11:5411:5924:39
12:19
#6541
8M
8.00 mi07:09:291:35:4711:5823:53
11:56
#6581
9.6M
9.60 mi07:34:292:00:4712:3525:00
15:37
#6782
10M
10.00 mi07:37:282:03:4612:232:59
7:28
#6752
10.5M
10.50 mi07:45:132:11:3112:327:45
15:30
#6681
12M
12.00 mi08:02:442:29:0212:2517:31
11:41
#6575
14M
14.00 mi08:28:322:54:5012:2925:48
12:54
#6472
16M
16.00 mi08:48:223:14:4012:1019:50
9:55
#6290
18M
18.00 mi09:17:233:43:4112:2629:01
14:31
#6335
20M
20.00 mi09:42:154:08:3312:2624:52
12:26
#6223
22M
22.00 mi10:06:554:33:1312:2524:40
12:20
#6160
24M
24.00 mi10:33:595:00:1712:3127:04
13:32
#6088
Finish
26.22 mi11:03:045:29:2212:3429:05
13:06
#6024
Faster pace
Steady pace
Slower pace
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 74%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:44

Segment Time

11:56/mi

Pace

0.90 mi

Distance

Overall

5274

Women

1340

Division

411

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi659118205375805(Top 81%)1517(Top 73%)469(Top 76%)
4M4.00 mi2.00 mi6557+341810+10533+46532(Top 91%)1809(Top 87%)536(Top 87%)
6M6.00 mi2.00 mi6541+161805+5536-36535(Top 91%)1804(Top 86%)547(Top 89%)
8M8.00 mi2.00 mi6581-401805541-56655(Top 93%)1830(Top 88%)550(Top 90%)
9.6M9.60 mi1.60 mi6782-2011906-101566-257072(Top 99%)2039(Top 98%)600(Top 98%)
10M10.00 mi0.40 mi6752+301891+15565+14964(Top 69%)1205(Top 58%)369(Top 60%)
10.5M10.50 mi0.50 mi6681+711856+35554+115539(Top 77%)1446(Top 69%)439(Top 71%)
12M12.00 mi1.50 mi6575+1061812+44538+165805(Top 81%)1517(Top 73%)469(Top 76%)
14M14.00 mi2.00 mi6472+1031771+41531+75895(Top 82%)1563(Top 75%)474(Top 77%)
16M16.00 mi2.00 mi6290+1821707+64515+164569(Top 64%)1102(Top 53%)339(Top 55%)
18M18.00 mi2.00 mi6335-451734-27527-126264(Top 87%)1774(Top 85%)528(Top 86%)
20M20.00 mi2.00 mi6223+1121694+40514+135232(Top 73%)1426(Top 68%)424(Top 69%)
22M22.00 mi2.00 mi6160+631674+20509+55520(Top 77%)1569(Top 75%)476(Top 78%)
24M24.00 mi2.00 mi6088+721658+16506+35240(Top 73%)1483(Top 71%)448(Top 73%)
Finish26.22 mi2.22 mi6024+641642+16501+55465(Top 76%)1550(Top 74%)472(Top 77%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 81%
×1human
+6ft-11ft

Overall

5805

Females

1517

F25-29

472

2M→4M

2.0 - 4.0 mi

Top 91%
×4stories
+75ft-70ft

Overall

6532

Females

1809

F25-29

540

4M→6M

4.0 - 6.0 mi

Top 91%
×5stories
+71ft-18ft

Overall

6535

Females

1804

F25-29

551

6M→8M

6.0 - 8.0 mi

Top 93%
×9stories
+106ft-21ft

Overall

6655

Females

1830

F25-29

555

8M→9.6M

8.0 - 9.6 mi

Top 99%
×13stories
+117ft-177ft

Overall

7072

Females

2039

F25-29

605

9.6M→10M

9.6 - 10.0 mi

Top 69%
×1story
+17ft-12ft

Overall

4964

Females

1205

F25-29

371

10M→10.5M

10.0 - 10.5 mi

Top 77%
×9stories
+0ft-102ft

Overall

5539

Females

1446

F25-29

442

10.5M→12M

10.5 - 12.0 mi

Top 81%
×18stories
+304ft-125ft

Overall

5805

Females

1517

F25-29

472

12M→14M

12.0 - 14.0 mi

Top 82%
×9stories
+99ft-125ft

Overall

5895

Females

1563

F25-29

475

14M→16M

14.0 - 16.0 mi

Top 64%
×9stories
+124ft-78ft

Overall

4569

Females

1102

F25-29

340

16M→18M

16.0 - 18.0 mi

Top 87%
×8stories
+106ft-45ft

Overall

6264

Females

1774

F25-29

530

18M→20M

18.0 - 20.0 mi

Top 73%
×3stories
+52ft-26ft

Overall

5232

Females

1426

F25-29

424

20M→22M

20.0 - 22.0 mi

Top 77%
×21stories
+17ft-266ft

Overall

5520

Females

1569

F25-29

476

22M→24M

22.0 - 24.0 mi

Top 73%
×3stories
+70ft-85ft

Overall

5240

Females

1483

F25-29

448

24M→Finish

24.0 - 26.2 mi

Top 76%
~flat
+2ft-2ft

Overall

5465

Females

1550

F25-29

472

Passing Analysis

Category:
Athletes Passed
1223*
Passed By
656
Net Change
+567
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#6591
2M → 4M127*93+34#6591#6557
4M → 6M114*98+16#6557#6541
6M → 8M44*84-40#6541#6581
8M → 9.6M21*222-201#6581#6782
9.6M → 10M300+30#6782#6752
10M → 10.5M732+71#6752#6681
10.5M → 12M11711+106#6681#6575
12M → 14M114*11+103#6575#6472
14M → 16M186*4+182#6472#6290
16M → 18M44*89-45#6290#6335
18M → 20M116*4+112#6335#6223
20M → 22M71*8+63#6223#6160
22M → 24M88*16+72#6160#6088
24M → Finish78*14+64#6088#6024
TOTALS1223*656+567

* 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

Race Place Events

Race Place Events