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SF MARATHON 2026

Amber Dennis

Bib: 7700•F•Age: 22

Antioch, CA

0:00
0:00
/ mi
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Overall
#0 / 7166
Gender (Female)
#0 / 2086
F20-29
#0 / 283
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
21:37
Rank: #5609
Start → 2M
21:37 | 10:48/mi
4M
42:11
Rank: #5020 (+589)
2M → 4M
20:34 | 10:17/mi
6M
1:03:33
Rank: #4925 (+95)
4M → 6M
21:22 | 10:41/mi
8M
1:24:31
Rank: #4926 (-1)
6M → 8M
20:58 | 10:29/mi
9.6M
1:43:03
Rank: #4913 (+13)
8M → 9.6M
18:32 | 11:35/mi
10M
1:45:51
Rank: #4885 (+28)
9.6M → 10M
2:48 | 7:00/mi
10.5M
1:58:05
Rank: #5527 (-642)
10M → 10.5M
12:14 | 24:27/mi
12M
2:13:13
Rank: #5298 (+229)
10.5M → 12M
15:08 | 10:05/mi
14M
2:35:07
Rank: #5060 (+238)
12M → 14M
21:54 | 10:57/mi
16M
2:53:18
Rank: #4841 (+219)
14M → 16M
18:11 | 9:05/mi
18M
3:18:42
Rank: #4877 (-36)
16M → 18M
25:24 | 12:42/mi
20M
3:41:46
Rank: #4796 (+81)
18M → 20M
23:04 | 11:32/mi
22M
4:04:23
Rank: #4776 (+20)
20M → 22M
22:37 | 11:18/mi
24M
4:28:39
Rank: #4711 (+65)
22M → 24M
24:16 | 12:08/mi
Finish· 26.22 mi
4:52:32
Rank: #4577 (+134)
24M → Finish
23:53 | 10:46/mi

The Course

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time2:35:07
Pace11:05 /mi
2nd Half✓ Faster
Distance12.22 mi
Time2:17:25
Pace11:15 /mi
📊Negative Split: 11.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:55:4721:3710:4821:37
10:48
-
4M
4.00 mi06:16:2142:1110:3320:34
10:17
-0:31
6M
6.00 mi06:37:431:03:3310:3621:22
10:41
+0:24
8M
8.00 mi06:58:411:24:3110:3420:58
10:29
-0:12
9.6M
9.60 mi07:17:131:43:0310:4418:32
11:35
+1:06
10M
10.00 mi07:20:011:45:5110:352:48
7:00
-4:35
10.5M
10.50 mi07:32:151:58:0511:1512:14
24:27
+17:27
12M
12.00 mi07:47:232:13:1311:0615:08
10:05
-14:22
14M
14.00 mi08:09:172:35:0711:0521:54
10:57
+0:52
16M
16.00 mi08:27:282:53:1810:5018:11
9:05
-1:52
18M
18.00 mi08:52:523:18:4211:0225:24
12:42
+3:37
20M
20.00 mi09:15:563:41:4611:0523:04
11:32
-1:10
22M
22.00 mi09:38:334:04:2311:0622:37
11:18
-0:14
24M
24.00 mi10:02:494:28:3911:1224:16
12:08
+0:50
Finish
26.22 mi10:26:424:52:3211:1023:53
10:46
-1:22

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

7:00 /mi

Average Pace

11:10 /mi

Slowest Pace

24:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48

1% of race

Time at Steady Pace

4:12:06

86% of race

Time at Slower Pace

37:38

13% of race

Average Pace: 11:09 /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 mi05:55:4721:3710:4821:37
10:48
#5609
4M
4.00 mi06:16:2142:1110:3320:34
10:17
#5020
6M
6.00 mi06:37:431:03:3310:3621:22
10:41
#4925
8M
8.00 mi06:58:411:24:3110:3420:58
10:29
#4926
9.6M
9.60 mi07:17:131:43:0310:4418:32
11:35
#4913
10M
10.00 mi07:20:011:45:5110:352:48
7:00
#4885
10.5M
10.50 mi07:32:151:58:0511:1512:14
24:27
#5527
12M
12.00 mi07:47:232:13:1311:0615:08
10:05
#5298
14M
14.00 mi08:09:172:35:0711:0521:54
10:57
#5060
16M
16.00 mi08:27:282:53:1810:5018:11
9:05
#4841
18M
18.00 mi08:52:523:18:4211:0225:24
12:42
#4877
20M
20.00 mi09:15:563:41:4611:0523:04
11:32
#4796
22M
22.00 mi09:38:334:04:2311:0622:37
11:18
#4776
24M
24.00 mi10:02:494:28:3911:1224:16
12:08
#4711
Finish
26.22 mi10:26:424:52:3211:1023:53
10:46
#4577
Faster pace
Steady pace
Slower pace
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 97%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

15:02

Segment Time

16:43/mi

Pace

0.90 mi

Distance

Overall

6951

Women

1995

Division

281

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi2.00 mi560914362194240(Top 59%)925(Top 44%)164(Top 58%)
4M4.00 mi2.00 mi5020+5891205+231191+284496(Top 63%)1012(Top 49%)166(Top 59%)
6M6.00 mi2.00 mi4925+951170+35188+34848(Top 68%)1148(Top 55%)186(Top 66%)
8M8.00 mi2.00 mi4926-11162+8190-24958(Top 69%)1166(Top 56%)190(Top 67%)
9.6M9.60 mi1.60 mi4913+131165-31905083(Top 71%)1248(Top 60%)199(Top 70%)
10M10.00 mi0.40 mi4885+281150+15188+24034(Top 56%)857(Top 41%)146(Top 52%)
10.5M10.50 mi0.50 mi5527-6421393-243217-297131(Top 100%)2059(Top 99%)283(Top 100%)
12M12.00 mi1.50 mi5298+2291312+81206+114240(Top 59%)925(Top 44%)164(Top 58%)
14M14.00 mi2.00 mi5060+2381226+86197+93900(Top 54%)822(Top 39%)145(Top 51%)
16M16.00 mi2.00 mi4841+2191158+68193+43586(Top 50%)801(Top 38%)133(Top 47%)
18M18.00 mi2.00 mi4877-361181-23197-45039(Top 70%)1331(Top 64%)205(Top 72%)
20M20.00 mi2.00 mi4796+811164+17193+44374(Top 61%)1141(Top 55%)182(Top 64%)
22M22.00 mi2.00 mi4776+201170-6196-34607(Top 64%)1261(Top 60%)198(Top 70%)
24M24.00 mi2.00 mi4711+651159+11194+24003(Top 56%)1089(Top 52%)172(Top 61%)
Finish26.22 mi2.22 mi4577+1341122+37188+63217(Top 45%)839(Top 40%)146(Top 52%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 59%
×1human
+6ft-11ft

Overall

4240

Females

925

F20-24

166

2M→4M

2.0 - 4.0 mi

Top 63%
×4stories
+75ft-70ft

Overall

4496

Females

1012

F20-24

169

4M→6M

4.0 - 6.0 mi

Top 68%
×5stories
+71ft-18ft

Overall

4848

Females

1148

F20-24

190

6M→8M

6.0 - 8.0 mi

Top 69%
×9stories
+106ft-21ft

Overall

4958

Females

1166

F20-24

192

8M→9.6M

8.0 - 9.6 mi

Top 71%
×13stories
+117ft-177ft

Overall

5083

Females

1248

F20-24

201

9.6M→10M

9.6 - 10.0 mi

Top 56%
×1story
+17ft-12ft

Overall

4034

Females

857

F20-24

148

10M→10.5M

10.0 - 10.5 mi

Top 100%
×9stories
+0ft-102ft

Overall

7131

Females

2059

F20-24

289

10.5M→12M

10.5 - 12.0 mi

Top 59%
×18stories
+304ft-125ft

Overall

4240

Females

925

F20-24

166

12M→14M

12.0 - 14.0 mi

Top 54%
×9stories
+99ft-125ft

Overall

3900

Females

822

F20-24

146

14M→16M

14.0 - 16.0 mi

Top 50%
×9stories
+124ft-78ft

Overall

3586

Females

801

F20-24

135

16M→18M

16.0 - 18.0 mi

Top 70%
×8stories
+106ft-45ft

Overall

5039

Females

1331

F20-24

207

18M→20M

18.0 - 20.0 mi

Top 61%
×3stories
+52ft-26ft

Overall

4374

Females

1141

F20-24

183

20M→22M

20.0 - 22.0 mi

Top 64%
×21stories
+17ft-266ft

Overall

4607

Females

1261

F20-24

199

22M→24M

22.0 - 24.0 mi

Top 56%
×3stories
+70ft-85ft

Overall

4003

Females

1089

F20-24

173

24M→Finish

24.0 - 26.2 mi

Top 45%
~flat
+2ft-2ft

Overall

3217

Females

839

F20-24

146

Passing Analysis

Category:
Athletes Passed
2176*
Passed By
1144
Net Change
+1032
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5609
2M → 4M597*8+589#5609#5020
4M → 6M16570+95#5020#4925
6M → 8M70*71-1#4925#4926
8M → 9.6M97*84+13#4926#4913
9.6M → 10M313+28#4913#4885
10M → 10.5M3645-642#4885#5527
10.5M → 12M2334+229#5527#5298
12M → 14M242*4+238#5298#5060
14M → 16M241*22+219#5060#4841
16M → 18M84120-36#4841#4877
18M → 20M112*31+81#4877#4796
20M → 22M65*45+20#4796#4776
22M → 24M95*30+65#4776#4711
24M → Finish141*7+134#4711#4577
TOTALS2176*1144+1032

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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