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SF MARATHON 2026

Vivian Byerly

Bib: 5732•F•Age: 19

Northville, MI

0:00
0:00
/ mi
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Overall
#0 / 7166
Top 44%
Gender (Female)
#0 / 2086
Top 31%
F19 & Under
#0 / 65
Top 22%
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
19:42
Rank: #3901
Start → 2M
19:42 | 9:51/mi
4M
42:09
Rank: #5001 (-1100)
2M → 4M
22:27 | 11:14/mi
6M
1:04:26
Rank: #5159 (-158)
4M → 6M
22:17 | 11:08/mi
8M
1:24:16
Rank: #4877 (+282)
6M → 8M
19:50 | 9:55/mi
9.6M
1:40:33
Rank: #4513 (+364)
8M → 9.6M
16:17 | 10:11/mi
10M
1:43:05
Rank: #4454 (+59)
9.6M → 10M
2:32 | 6:20/mi
10.5M
1:49:20
Rank: #4299 (+155)
10M → 10.5M
6:15 | 12:30/mi
12M
2:03:18
Rank: #4100 (+199)
10.5M → 12M
13:58 | 9:19/mi
14M
2:23:41
Rank: #3894 (+206)
12M → 14M
20:23 | 10:11/mi
16M
2:42:03
Rank: #3828 (+66)
14M → 16M
18:22 | 9:11/mi
18M
3:00:24
Rank: #3460 (+368)
16M → 18M
18:21 | 9:11/mi
20M
3:20:46
Rank: #3363 (+97)
18M → 20M
20:22 | 10:11/mi
22M
3:43:27
Rank: #3477 (-114)
20M → 22M
22:41 | 11:20/mi
24M
4:03:30
Rank: #3279 (+198)
22M → 24M
20:03 | 10:02/mi
Finish· 26.22 mi
4:25:32
Rank: #3146 (+133)
24M → Finish
22:02 | 9:56/mi

Course Map & Elevation

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time2:23:41
Pace10:16 /mi
2nd Half✓ Faster
Distance12.22 mi
Time2:01:51
Pace9:58 /mi
📊Negative Split: 15.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:45:2919:429:5119:42
9:51
-
4M
4.00 mi06:07:5642:0910:3222:27
11:14
+1:23
6M
6.00 mi06:30:131:04:2610:4422:17
11:08
-0:06
8M
8.00 mi06:50:031:24:1610:3219:50
9:55
-1:13
9.6M
9.60 mi07:06:201:40:3310:2816:17
10:11
+0:16
10M
10.00 mi07:08:521:43:0510:192:32
6:20
-3:51
10.5M
10.50 mi07:15:071:49:2010:256:15
12:30
+6:10
12M
12.00 mi07:29:052:03:1810:1713:58
9:19
-3:11
14M
14.00 mi07:49:282:23:4110:1620:23
10:11
+0:52
16M
16.00 mi08:07:502:42:0310:0818:22
9:11
-1:00
18M
18.00 mi08:26:113:00:2410:0118:21
9:11
0:00
20M
20.00 mi08:46:333:20:4610:0220:22
10:11
+1:00
22M
22.00 mi09:09:143:43:2710:0922:41
11:20
+1:09
24M
24.00 mi09:29:174:03:3010:0920:03
10:02
-1:18
Finish
26.22 mi09:51:194:25:3210:0822:02
9:56
-0:06

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

6:20 /mi

Average Pace

10:08 /mi

Slowest Pace

12:30 /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

53:13

20% of race

Time at Steady Pace

2:18:39

52% of race

Time at Slower Pace

1:13:40

28% of race

Average Pace: 10:08 /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 mi05:45:2919:429:5119:42
9:51
#3901
4M
4.00 mi06:07:5642:0910:3222:27
11:14
#5001
6M
6.00 mi06:30:131:04:2610:4422:17
11:08
#5159
8M
8.00 mi06:50:031:24:1610:3219:50
9:55
#4877
9.6M
9.60 mi07:06:201:40:3310:2816:17
10:11
#4513
10M
10.00 mi07:08:521:43:0510:192:32
6:20
#4454
10.5M
10.50 mi07:15:071:49:2010:256:15
12:30
#4299
12M
12.00 mi07:29:052:03:1810:1713:58
9:19
#4100
14M
14.00 mi07:49:282:23:4110:1620:23
10:11
#3894
16M
16.00 mi08:07:502:42:0310:0818:22
9:11
#3828
18M
18.00 mi08:26:113:00:2410:0118:21
9:11
#3460
20M
20.00 mi08:46:333:20:4610:0220:22
10:11
#3363
22M
22.00 mi09:09:143:43:2710:0922:41
11:20
#3477
24M
24.00 mi09:29:174:03:3010:0920:03
10:02
#3279
Finish
26.22 mi09:51:194:25:3210:0822:02
9:56
#3146
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 37%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:47

Segment Time

9:46/mi

Pace

0.90 mi

Distance

Overall

2676

Women

451

Division

13

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF19 & UnderSeg. OverallSeg. FemalesSeg. F19 & Under
2M2.00 mi2.00 mi3901790263279(Top 46%)619(Top 30%)15(Top 23%)
4M4.00 mi2.00 mi5001-11001199-40935-95865(Top 82%)1536(Top 74%)52(Top 80%)
6M6.00 mi2.00 mi5159-1581254-5537-25511(Top 77%)1401(Top 67%)42(Top 65%)
8M8.00 mi2.00 mi4877+2821143+11134+34073(Top 57%)845(Top 41%)22(Top 34%)
9.6M9.60 mi1.60 mi4513+3641026+11732+23359(Top 47%)642(Top 31%)16(Top 25%)
10M10.00 mi0.40 mi4454+591000+2630+22521(Top 35%)417(Top 20%)12(Top 18%)
10.5M10.50 mi0.50 mi4299+155948+5229+12837(Top 40%)513(Top 25%)14(Top 22%)
12M12.00 mi1.50 mi4100+199867+8123+63279(Top 46%)619(Top 30%)15(Top 23%)
14M14.00 mi2.00 mi3894+206802+6520+32924(Top 41%)519(Top 25%)13(Top 20%)
16M16.00 mi2.00 mi3828+66786+1619+13691(Top 52%)834(Top 40%)17(Top 26%)
18M18.00 mi2.00 mi3460+368687+9917+21390(Top 19%)213(Top 10%)4(Top 6%)
20M20.00 mi2.00 mi3363+97666+2116+12775(Top 39%)581(Top 28%)13(Top 20%)
22M22.00 mi2.00 mi3477-114716-50164638(Top 65%)1266(Top 61%)34(Top 52%)
24M24.00 mi2.00 mi3279+198679+3714+21799(Top 25%)376(Top 18%)6(Top 9%)
Finish26.22 mi2.22 mi3146+133655+24142219(Top 31%)502(Top 24%)12(Top 18%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 46%
×1human
+6ft-11ft

Overall

3279

Females

619

F15-19

15

2M→4M

2.0 - 4.0 mi

Top 82%
×4stories
+75ft-70ft

Overall

5865

Females

1536

F15-19

51

4M→6M

4.0 - 6.0 mi

Top 77%
×5stories
+71ft-18ft

Overall

5511

Females

1401

F15-19

42

6M→8M

6.0 - 8.0 mi

Top 57%
×9stories
+106ft-21ft

Overall

4073

Females

845

F15-19

22

8M→9.6M

8.0 - 9.6 mi

Top 47%
×13stories
+117ft-177ft

Overall

3359

Females

642

F15-19

16

9.6M→10M

9.6 - 10.0 mi

Top 35%
×1story
+17ft-12ft

Overall

2521

Females

417

F15-19

12

10M→10.5M

10.0 - 10.5 mi

Top 40%
×9stories
+0ft-102ft

Overall

2837

Females

513

F15-19

14

10.5M→12M

10.5 - 12.0 mi

Top 46%
×18stories
+304ft-125ft

Overall

3279

Females

619

F15-19

15

12M→14M

12.0 - 14.0 mi

Top 41%
×9stories
+99ft-125ft

Overall

2924

Females

519

F15-19

13

14M→16M

14.0 - 16.0 mi

Top 52%
×9stories
+124ft-78ft

Overall

3691

Females

834

F15-19

17

16M→18M

16.0 - 18.0 mi

Top 19%
×8stories
+106ft-45ft

Overall

1390

Females

213

F15-19

4

18M→20M

18.0 - 20.0 mi

Top 39%
×3stories
+52ft-26ft

Overall

2775

Females

581

F15-19

13

20M→22M

20.0 - 22.0 mi

Top 65%
×21stories
+17ft-266ft

Overall

4638

Females

1266

F15-19

34

22M→24M

22.0 - 24.0 mi

Top 25%
×3stories
+70ft-85ft

Overall

1799

Females

376

F15-19

6

24M→Finish

24.0 - 26.2 mi

Top 31%
~flat
+2ft-2ft

Overall

2219

Females

502

F15-19

12

Passing Analysis

Category:
Athletes Passed
2391*
Passed By
1636
Net Change
+755
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3901
2M → 4M12*1112-1100#3901#5001
4M → 6M89247-158#5001#5159
6M → 8M285*3+282#5159#4877
8M → 9.6M365*1+364#4877#4513
9.6M → 10M590+59#4513#4454
10M → 10.5M1583+155#4454#4299
10.5M → 12M2045+199#4299#4100
12M → 14M210*4+206#4100#3894
14M → 16M152*86+66#3894#3828
16M → 18M3691+368#3828#3460
18M → 20M110*13+97#3460#3363
20M → 22M32*146-114#3363#3477
22M → 24M202*4+198#3477#3279
24M → Finish144*11+133#3279#3146
TOTALS2391*1636+755

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

📊

Passing Visuals

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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