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SF MARATHON 2026

Nancy Briseno

Bib: 4249•F•Age: 57

Fullerton, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 7166
Top 42%
Gender (Female)
#0 / 2086
Top 29%
Masters (Masters Women)
#0 / 458
Top 25%
Division (F55-59)
#0 / 57
Top 21%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
2M
21:09
Rank: #5253
Start → 2M
21:09 | 10:34/mi
4M
41:49
Rank: #4873 (+380)
2M → 4M
20:40 | 10:20/mi
6M
1:02:01
Rank: #4509 (+364)
4M → 6M
20:12 | 10:06/mi
8M
1:21:04
Rank: #4198 (+311)
6M → 8M
19:03 | 9:31/mi
9.6M
1:37:17
Rank: #3963 (+235)
8M → 9.6M
16:13 | 10:08/mi
10M
1:39:53
Rank: #3914 (+49)
9.6M → 10M
2:36 | 6:30/mi
10.5M
1:46:35
Rank: #3875 (+39)
10M → 10.5M
6:42 | 13:24/mi
12M
2:00:47
Rank: #3764 (+111)
10.5M → 12M
14:12 | 9:28/mi
14M
2:21:17
Rank: #3643 (+121)
12M → 14M
20:30 | 10:15/mi
16M
2:40:13
Rank: #3666 (-23)
14M → 16M
18:56 | 9:28/mi
18M
2:59:08
Rank: #3385 (+281)
16M → 18M
18:55 | 9:28/mi
20M
3:19:23
Rank: #3268 (+117)
18M → 20M
20:15 | 10:07/mi
22M
3:39:08
Rank: #3216 (+52)
20M → 22M
19:45 | 9:52/mi
24M
3:59:12
Rank: #3045 (+171)
22M → 24M
20:04 | 10:02/mi
Finish· 26.22 mi
4:22:40
Rank: #3001 (+44)
24M → Finish
23:28 | 10:35/mi
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Half Splits

1st Half· via 14M
Distance14.00 mi
Time2:21:17
Pace10:05 /mi
2nd Half✓ Faster
Distance12.22 mi
Time2:01:23
Pace9:56 /mi
📊Negative Split: 14.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:55:1121:0910:3421:09
10:34
-
4M
4.00 mi06:15:5141:4910:2720:40
10:20
-0:14
6M
6.00 mi06:36:031:02:0110:2020:12
10:06
-0:14
8M
8.00 mi06:55:061:21:0410:0819:03
9:31
-0:35
9.6M
9.60 mi07:11:191:37:1710:0816:13
10:08
+0:37
10M
10.00 mi07:13:551:39:539:592:36
6:30
-3:38
10.5M
10.50 mi07:20:371:46:3510:096:42
13:24
+6:54
12M
12.00 mi07:34:492:00:4710:0414:12
9:28
-3:56
14M
14.00 mi07:55:192:21:1710:0520:30
10:15
+0:47
16M
16.00 mi08:14:152:40:1310:0118:56
9:28
-0:47
18M
18.00 mi08:33:102:59:089:5718:55
9:28
0:00
20M
20.00 mi08:53:253:19:239:5820:15
10:07
+0:39
22M
22.00 mi09:13:103:39:089:5819:45
9:52
-0:15
24M
24.00 mi09:33:143:59:129:5820:04
10:02
+0:10
Finish
26.22 mi09:56:424:22:4010:0223:28
10:35
+0:33

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

6:30 /mi

Average Pace

10:02 /mi

Slowest Pace

13:24 /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

2:36

1% of race

Time at Steady Pace

4:13:22

96% of race

Time at Slower Pace

6:42

3% of race

Average Pace: 10:01 /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 mi05:55:1121:0910:3421:09
10:34
#5253
4M
4.00 mi06:15:5141:4910:2720:40
10:20
#4873
6M
6.00 mi06:36:031:02:0110:2020:12
10:06
#4509
8M
8.00 mi06:55:061:21:0410:0819:03
9:31
#4198
9.6M
9.60 mi07:11:191:37:1710:0816:13
10:08
#3963
10M
10.00 mi07:13:551:39:539:592:36
6:30
#3914
10.5M
10.50 mi07:20:371:46:3510:096:42
13:24
#3875
12M
12.00 mi07:34:492:00:4710:0414:12
9:28
#3764
14M
14.00 mi07:55:192:21:1710:0520:30
10:15
#3643
16M
16.00 mi08:14:152:40:1310:0118:56
9:28
#3666
18M
18.00 mi08:33:102:59:089:5718:55
9:28
#3385
20M
20.00 mi08:53:253:19:239:5820:15
10:07
#3268
22M
22.00 mi09:13:103:39:089:5819:45
9:52
#3216
24M
24.00 mi09:33:143:59:129:5820:04
10:02
#3045
Finish
26.22 mi09:56:424:22:4010:0223:28
10:35
#3001
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 47%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:18

Segment Time

10:20/mi

Pace

0.90 mi

Distance

Overall

3401

Women

660

Division

14

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
2M2.00 mi2.00 mi52531307343453(Top 48%)677(Top 32%)9(Top 16%)
4M4.00 mi2.00 mi4873+3801149+15821+134582(Top 64%)1039(Top 50%)19(Top 33%)
6M6.00 mi2.00 mi4509+3641012+13719+23961(Top 55%)808(Top 39%)15(Top 26%)
8M8.00 mi2.00 mi4198+311890+12216+33395(Top 47%)641(Top 31%)13(Top 23%)
9.6M9.60 mi1.60 mi3963+235806+84163309(Top 46%)627(Top 30%)11(Top 19%)
10M10.00 mi0.40 mi3914+49792+14162918(Top 41%)511(Top 24%)7(Top 12%)
10.5M10.50 mi0.50 mi3875+39781+11163701(Top 52%)765(Top 37%)15(Top 26%)
12M12.00 mi1.50 mi3764+111749+3215+13453(Top 48%)677(Top 32%)9(Top 16%)
14M14.00 mi2.00 mi3643+121720+29152998(Top 42%)549(Top 26%)7(Top 12%)
16M16.00 mi2.00 mi3666-23728-8154066(Top 57%)948(Top 45%)15(Top 26%)
18M18.00 mi2.00 mi3385+281660+6812+31680(Top 23%)277(Top 13%)1(Top 2%)
20M20.00 mi2.00 mi3268+117641+19122707(Top 38%)557(Top 27%)11(Top 19%)
22M22.00 mi2.00 mi3216+52642-113-13000(Top 42%)694(Top 33%)15(Top 26%)
24M24.00 mi2.00 mi3045+171609+3312+11807(Top 25%)380(Top 18%)6(Top 11%)
Finish26.22 mi2.22 mi3001+44613-4122971(Top 41%)759(Top 36%)14(Top 25%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 48%
×1human
+6ft-11ft

Overall

3453

Females

677

F55-59

9

2M→4M

2.0 - 4.0 mi

Top 64%
×4stories
+75ft-70ft

Overall

4582

Females

1039

F55-59

19

4M→6M

4.0 - 6.0 mi

Top 55%
×5stories
+71ft-18ft

Overall

3961

Females

808

F55-59

15

6M→8M

6.0 - 8.0 mi

Top 47%
×9stories
+106ft-21ft

Overall

3395

Females

641

F55-59

13

8M→9.6M

8.0 - 9.6 mi

Top 46%
×13stories
+117ft-177ft

Overall

3309

Females

627

F55-59

11

9.6M→10M

9.6 - 10.0 mi

Top 41%
×1story
+17ft-12ft

Overall

2918

Females

511

F55-59

7

10M→10.5M

10.0 - 10.5 mi

Top 52%
×9stories
+0ft-102ft

Overall

3701

Females

765

F55-59

15

10.5M→12M

10.5 - 12.0 mi

Top 48%
×18stories
+304ft-125ft

Overall

3453

Females

677

F55-59

9

12M→14M

12.0 - 14.0 mi

Top 42%
×9stories
+99ft-125ft

Overall

2998

Females

549

F55-59

7

14M→16M

14.0 - 16.0 mi

Top 57%
×9stories
+124ft-78ft

Overall

4066

Females

948

F55-59

15

16M→18M

16.0 - 18.0 mi

Top 23%
×8stories
+106ft-45ft

Overall

1680

Females

277

F55-59

1

18M→20M

18.0 - 20.0 mi

Top 38%
×3stories
+52ft-26ft

Overall

2707

Females

557

F55-59

11

20M→22M

20.0 - 22.0 mi

Top 42%
×21stories
+17ft-266ft

Overall

3000

Females

694

F55-59

15

22M→24M

22.0 - 24.0 mi

Top 25%
×3stories
+70ft-85ft

Overall

1807

Females

380

F55-59

6

24M→Finish

24.0 - 26.2 mi

Top 41%
~flat
+2ft-2ft

Overall

2971

Females

759

F55-59

14

Passing Analysis

Category:
Athletes Passed
2599*
Passed By
347
Net Change
+2252
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5253
2M → 4M414*34+380#5253#4873
4M → 6M37713+364#4873#4509
6M → 8M316*5+311#4509#4198
8M → 9.6M245*10+235#4198#3963
9.6M → 10M523+49#3963#3914
10M → 10.5M5516+39#3914#3875
10.5M → 12M14029+111#3875#3764
12M → 14M129*8+121#3764#3643
14M → 16M103*126-23#3643#3666
16M → 18M2854+281#3666#3385
18M → 20M130*13+117#3385#3268
20M → 22M78*26+52#3268#3216
22M → 24M177*6+171#3216#3045
24M → Finish98*54+44#3045#3001
TOTALS2599*347+2252

* 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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