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SF MARATHON 2026

Arianna Alfaro

Bib: 2247•F•Age: 28

Castro Valley, CA

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

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
2M
23:17
Rank: #6587
Start → 2M
23:17 | 11:38/mi
4M
47:28
Rank: #6596 (-9)
2M → 4M
24:11 | 12:06/mi
6M
1:20:54
Rank: #7146 (-550)
4M → 6M
33:26 | 16:43/mi
8M
1:45:25
Rank: #7116 (+30)
6M → 8M
24:31 | 12:15/mi
9.6M
2:06:02
Rank: #7033 (+83)
8M → 9.6M
20:37 | 12:53/mi
10M
2:09:15
Rank: #7014 (+19)
9.6M → 10M
3:13 | 8:03/mi
10.5M
2:18:00
Rank: #6982 (+32)
10M → 10.5M
8:45 | 17:30/mi
12M
2:37:30
Rank: #6938 (+44)
10.5M → 12M
19:30 | 13:00/mi
14M
3:09:55
Rank: #6977 (-39)
12M → 14M
32:25 | 16:12/mi
16M
3:35:10
Rank: #6947 (+30)
14M → 16M
25:15 | 12:38/mi
18M
4:00:25
Rank: #6834 (+113)
16M → 18M
25:15 | 12:38/mi
20M
4:27:57
Rank: #6794 (+40)
18M → 20M
27:32 | 13:46/mi
22M
4:53:00
Rank: #6748 (+46)
20M → 22M
25:03 | 12:31/mi
24M
5:20:53
Rank: #6674 (+74)
22M → 24M
27:53 | 13:57/mi
Finish· 26.22 mi
5:50:46
Rank: #6587 (+87)
24M → Finish
29:53 | 13:28/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via 14M
Distance14.00 mi
Time3:09:55
Pace13:34 /mi
2nd Half✓ Faster
Distance12.22 mi
Time2:40:51
Pace13:10 /mi
📊Negative Split: 15.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:57:4823:1711:3823:17
11:38
-
4M
4.00 mi06:21:5947:2811:5224:11
12:06
+0:28
6M
6.00 mi06:55:251:20:5413:2933:26
16:43
+4:37
8M
8.00 mi07:19:561:45:2513:1124:31
12:15
-4:28
9.6M
9.60 mi07:40:332:06:0213:0820:37
12:53
+0:38
10M
10.00 mi07:43:462:09:1512:563:13
8:03
-4:50
10.5M
10.50 mi07:52:312:18:0013:098:45
17:30
+9:27
12M
12.00 mi08:12:012:37:3013:0819:30
13:00
-4:30
14M
14.00 mi08:44:263:09:5513:3432:25
16:12
+3:12
16M
16.00 mi09:09:413:35:1013:2725:15
12:38
-3:34
18M
18.00 mi09:34:564:00:2513:2125:15
12:38
0:00
20M
20.00 mi10:02:284:27:5713:2427:32
13:46
+1:08
22M
22.00 mi10:27:314:53:0013:1925:03
12:31
-1:15
24M
24.00 mi10:55:245:20:5313:2227:53
13:57
+1:26
Finish
26.22 mi11:25:175:50:4613:2329:53
13:28
-0:29

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

8:03 /mi

Average Pace

13:23 /mi

Slowest Pace

17:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

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

26:30

8% of race

Time at Steady Pace

4:09:40

71% of race

Time at Slower Pace

1:14:36

21% of race

Average Pace: 13:23 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi05:57:4823:1711:3823:17
11:38
#6587
4M
4.00 mi06:21:5947:2811:5224:11
12:06
#6596
6M
6.00 mi06:55:251:20:5413:2933:26
16:43
#7146
8M
8.00 mi07:19:561:45:2513:1124:31
12:15
#7116
9.6M
9.60 mi07:40:332:06:0213:0820:37
12:53
#7033
10M
10.00 mi07:43:462:09:1512:563:13
8:03
#7014
10.5M
10.50 mi07:52:312:18:0013:098:45
17:30
#6982
12M
12.00 mi08:12:012:37:3013:0819:30
13:00
#6938
14M
14.00 mi08:44:263:09:5513:3432:25
16:12
#6977
16M
16.00 mi09:09:413:35:1013:2725:15
12:38
#6947
18M
18.00 mi09:34:564:00:2513:2125:15
12:38
#6834
20M
20.00 mi10:02:284:27:5713:2427:32
13:46
#6794
22M
22.00 mi10:27:314:53:0013:1925:03
12:31
#6748
24M
24.00 mi10:55:245:20:5313:2227:53
13:57
#6674
Finish
26.22 mi11:25:175:50:4613:2329:53
13:28
#6587
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 87%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:58

Segment Time

13:18/mi

Pace

0.90 mi

Distance

Overall

6255

Women

1716

Division

527

See the full Garmin Challenge leaderboard

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi658718175346613(Top 92%)1835(Top 88%)556(Top 91%)
4M4.00 mi2.00 mi6596-91829-12540-66633(Top 93%)1849(Top 89%)547(Top 89%)
6M6.00 mi2.00 mi7146-5502068-239607-677250(Top 101%)2106(Top 101%)612(Top 100%)
8M8.00 mi2.00 mi7116+302056+12606+16830(Top 95%)1926(Top 92%)572(Top 93%)
9.6M9.60 mi1.60 mi7033+832016+40601+56259(Top 87%)1703(Top 82%)514(Top 84%)
10M10.00 mi0.40 mi7014+192012+4597+45881(Top 82%)1549(Top 74%)463(Top 75%)
10.5M10.50 mi0.50 mi6982+321995+17593+46434(Top 90%)1804(Top 86%)535(Top 87%)
12M12.00 mi1.50 mi6938+441975+20586+76613(Top 92%)1835(Top 88%)556(Top 91%)
14M14.00 mi2.00 mi6977-391999-24596-107064(Top 99%)2051(Top 98%)604(Top 98%)
16M16.00 mi2.00 mi6947+301989+10592+46434(Top 90%)1805(Top 87%)543(Top 88%)
18M18.00 mi2.00 mi6834+1131942+47581+114948(Top 69%)1293(Top 62%)408(Top 66%)
20M20.00 mi2.00 mi6794+401927+15578+36226(Top 87%)1782(Top 85%)537(Top 87%)
22M22.00 mi2.00 mi6748+461910+17575+35679(Top 79%)1626(Top 78%)497(Top 81%)
24M24.00 mi2.00 mi6674+741887+23568+75554(Top 78%)1590(Top 76%)478(Top 78%)
Finish26.22 mi2.22 mi6587+871862+25562+65732(Top 80%)1646(Top 79%)499(Top 81%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 92%
×1human
+6ft-11ft

Overall

6613

Females

1835

F25-29

559

2M→4M

2.0 - 4.0 mi

Top 93%
×4stories
+75ft-70ft

Overall

6633

Females

1849

F25-29

551

4M→6M

4.0 - 6.0 mi

Top 101%
×5stories
+71ft-18ft

Overall

7250

Females

2106

F25-29

618

6M→8M

6.0 - 8.0 mi

Top 95%
×9stories
+106ft-21ft

Overall

6830

Females

1926

F25-29

577

8M→9.6M

8.0 - 9.6 mi

Top 87%
×13stories
+117ft-177ft

Overall

6259

Females

1703

F25-29

517

9.6M→10M

9.6 - 10.0 mi

Top 82%
×1story
+17ft-12ft

Overall

5881

Females

1549

F25-29

465

10M→10.5M

10.0 - 10.5 mi

Top 90%
×9stories
+0ft-102ft

Overall

6434

Females

1804

F25-29

538

10.5M→12M

10.5 - 12.0 mi

Top 92%
×18stories
+304ft-125ft

Overall

6613

Females

1835

F25-29

559

12M→14M

12.0 - 14.0 mi

Top 99%
×9stories
+99ft-125ft

Overall

7064

Females

2051

F25-29

607

14M→16M

14.0 - 16.0 mi

Top 90%
×9stories
+124ft-78ft

Overall

6434

Females

1805

F25-29

544

16M→18M

16.0 - 18.0 mi

Top 69%
×8stories
+106ft-45ft

Overall

4948

Females

1293

F25-29

409

18M→20M

18.0 - 20.0 mi

Top 87%
×3stories
+52ft-26ft

Overall

6226

Females

1782

F25-29

537

20M→22M

20.0 - 22.0 mi

Top 79%
×21stories
+17ft-266ft

Overall

5679

Females

1626

F25-29

497

22M→24M

22.0 - 24.0 mi

Top 78%
×3stories
+70ft-85ft

Overall

5554

Females

1590

F25-29

478

24M→Finish

24.0 - 26.2 mi

Top 80%
~flat
+2ft-2ft

Overall

5732

Females

1646

F25-29

499

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
798*
Passed By
798
Net Change
0
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#6587
2M → 4M104*113-9#6587#6596
4M → 6M6*556-550#6596#7146
6M → 8M39*9+30#7146#7116
8M → 9.6M86*3+83#7116#7033
9.6M → 10M212+19#7033#7014
10M → 10.5M42*10+32#7014#6982
10.5M → 12M506+44#6982#6938
12M → 14M30*69-39#6938#6977
14M → 16M46*16+30#6977#6947
16M → 18M114*1+113#6947#6834
18M → 20M43*3+40#6834#6794
20M → 22M52*6+46#6794#6748
22M → 24M76*2+74#6748#6674
24M → Finish89*2+87#6674#6587
TOTALS798*7980

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

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

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Activity Data

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