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SF MARATHON 2026

Carlos Alberto Guzman

Bib: 4364•M•Age: 54

San Rafael, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 7166
Gender (Male)
#0 / 5052
Masters (Masters Men)
#0 / 1321
Division (M50-54)
#0 / 245
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
24:52
Rank: #7021
Start → 2M
24:52 | 12:26/mi
4M
50:32
Rank: #7000 (+21)
2M → 4M
25:40 | 12:50/mi
6M
1:15:57
Rank: #6909 (+91)
4M → 6M
25:25 | 12:42/mi
8M
1:40:21
Rank: #6883 (+26)
6M → 8M
24:24 | 12:12/mi
9.6M
2:02:19
Rank: #6860 (+23)
8M → 9.6M
21:58 | 13:44/mi
10M
2:05:34
Rank: #6836 (+24)
9.6M → 10M
3:15 | 8:08/mi
10.5M
2:13:26
Rank: #6765 (+71)
10M → 10.5M
7:52 | 15:44/mi
12M
2:32:11
Rank: #6741 (+24)
10.5M → 12M
18:45 | 12:30/mi
14M
3:00:10
Rank: #6708 (+33)
12M → 14M
27:59 | 13:59/mi
16M
3:21:23
Rank: #6583 (+125)
14M → 16M
21:13 | 10:36/mi
18M
3:52:14
Rank: #6625 (-42)
16M → 18M
30:51 | 15:26/mi
20M
4:15:52
Rank: #6473 (+152)
18M → 20M
23:38 | 11:49/mi
22M
4:39:41
Rank: #6360 (+113)
20M → 22M
23:49 | 11:54/mi
24M
5:03:10
Rank: #6171 (+189)
22M → 24M
23:29 | 11:45/mi
Finish· 26.22 mi
5:28:05
Rank: #5989 (+182)
24M → Finish
24:55 | 11:14/mi

The Course

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time3:00:10
Pace12:52 /mi
2nd Half✓ Faster
Distance12.22 mi
Time2:27:55
Pace12:06 /mi
📊Negative Split: 17.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:53:2224:5212:2624:52
12:26
-
4M
4.00 mi06:19:0250:3212:3825:40
12:50
+0:24
6M
6.00 mi06:44:271:15:5712:4025:25
12:42
-0:08
8M
8.00 mi07:08:511:40:2112:3324:24
12:12
-0:30
9.6M
9.60 mi07:30:492:02:1912:4421:58
13:44
+1:32
10M
10.00 mi07:34:042:05:3412:333:15
8:08
-5:36
10.5M
10.50 mi07:41:562:13:2612:427:52
15:44
+7:36
12M
12.00 mi08:00:412:32:1112:4118:45
12:30
-3:14
14M
14.00 mi08:28:403:00:1012:5227:59
13:59
+1:29
16M
16.00 mi08:49:533:21:2312:3521:13
10:36
-3:23
18M
18.00 mi09:20:443:52:1412:5430:51
15:26
+4:50
20M
20.00 mi09:44:224:15:5212:4823:38
11:49
-3:37
22M
22.00 mi10:08:114:39:4112:4323:49
11:54
+0:05
24M
24.00 mi10:31:405:03:1012:3823:29
11:45
-0:09
Finish
26.22 mi10:56:355:28:0512:3124:55
11:14
-0:31

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

8:08 /mi

Average Pace

12:31 /mi

Slowest Pace

15:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

49:23

15% of race

Time at Steady Pace

3:10:02

58% of race

Time at Slower Pace

1:28:40

27% of race

Average Pace: 12:31 /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 mi05:53:2224:5212:2624:52
12:26
#7021
4M
4.00 mi06:19:0250:3212:3825:40
12:50
#7000
6M
6.00 mi06:44:271:15:5712:4025:25
12:42
#6909
8M
8.00 mi07:08:511:40:2112:3324:24
12:12
#6883
9.6M
9.60 mi07:30:492:02:1912:4421:58
13:44
#6860
10M
10.00 mi07:34:042:05:3412:333:15
8:08
#6836
10.5M
10.50 mi07:41:562:13:2612:427:52
15:44
#6765
12M
12.00 mi08:00:412:32:1112:4118:45
12:30
#6741
14M
14.00 mi08:28:403:00:1012:5227:59
13:59
#6708
16M
16.00 mi08:49:533:21:2312:3521:13
10:36
#6583
18M
18.00 mi09:20:443:52:1412:5430:51
15:26
#6625
20M
20.00 mi09:44:224:15:5212:4823:38
11:49
#6473
22M
22.00 mi10:08:114:39:4112:4323:49
11:54
#6360
24M
24.00 mi10:31:405:03:1012:3823:29
11:45
#6171
Finish
26.22 mi10:56:355:28:0512:3124:55
11:14
#5989
Faster pace
Steady pace
Slower pace
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 79%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:07

Segment Time

12:21/mi

Pace

0.90 mi

Distance

Overall

5662

Men

4153

Division

188

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
2M2.00 mi2.00 mi702149812386343(Top 89%)4594(Top 91%)209(Top 85%)
4M4.00 mi2.00 mi7000+214973+8237+16994(Top 98%)4967(Top 98%)235(Top 96%)
6M6.00 mi2.00 mi6909+914924+49232+56720(Top 94%)4815(Top 95%)227(Top 93%)
8M8.00 mi2.00 mi6883+264903+21233-16794(Top 95%)4861(Top 96%)229(Top 93%)
9.6M9.60 mi1.60 mi6860+234894+9232+16687(Top 93%)4771(Top 94%)227(Top 93%)
10M10.00 mi0.40 mi6836+244877+172325968(Top 83%)4364(Top 86%)200(Top 82%)
10.5M10.50 mi0.50 mi6765+714840+37231+15691(Top 79%)4164(Top 82%)191(Top 78%)
12M12.00 mi1.50 mi6741+244832+8230+16343(Top 89%)4594(Top 91%)209(Top 85%)
14M14.00 mi2.00 mi6708+334806+262306504(Top 91%)4662(Top 92%)219(Top 89%)
16M16.00 mi2.00 mi6583+1254725+81225+55210(Top 73%)3845(Top 76%)180(Top 73%)
18M18.00 mi2.00 mi6625-424749-24224+16629(Top 93%)4700(Top 93%)223(Top 91%)
20M20.00 mi2.00 mi6473+1524652+97221+34673(Top 65%)3415(Top 68%)159(Top 65%)
22M22.00 mi2.00 mi6360+1134582+70215+65168(Top 72%)3701(Top 73%)174(Top 71%)
24M24.00 mi2.00 mi6171+1894458+124207+83599(Top 50%)2632(Top 52%)134(Top 55%)
Finish26.22 mi2.22 mi5989+1824331+127198+93743(Top 52%)2709(Top 54%)124(Top 51%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 89%
×1human
+6ft-11ft

Overall

6343

Males

4594

M50-54

212

2M→4M

2.0 - 4.0 mi

Top 98%
×4stories
+75ft-70ft

Overall

6994

Males

4967

M50-54

240

4M→6M

4.0 - 6.0 mi

Top 94%
×5stories
+71ft-18ft

Overall

6720

Males

4815

M50-54

231

6M→8M

6.0 - 8.0 mi

Top 95%
×9stories
+106ft-21ft

Overall

6794

Males

4861

M50-54

234

8M→9.6M

8.0 - 9.6 mi

Top 93%
×13stories
+117ft-177ft

Overall

6687

Males

4771

M50-54

231

9.6M→10M

9.6 - 10.0 mi

Top 83%
×1story
+17ft-12ft

Overall

5968

Males

4364

M50-54

204

10M→10.5M

10.0 - 10.5 mi

Top 79%
×9stories
+0ft-102ft

Overall

5691

Males

4164

M50-54

194

10.5M→12M

10.5 - 12.0 mi

Top 89%
×18stories
+304ft-125ft

Overall

6343

Males

4594

M50-54

212

12M→14M

12.0 - 14.0 mi

Top 91%
×9stories
+99ft-125ft

Overall

6504

Males

4662

M50-54

220

14M→16M

14.0 - 16.0 mi

Top 73%
×9stories
+124ft-78ft

Overall

5210

Males

3845

M50-54

180

16M→18M

16.0 - 18.0 mi

Top 93%
×8stories
+106ft-45ft

Overall

6629

Males

4700

M50-54

223

18M→20M

18.0 - 20.0 mi

Top 65%
×3stories
+52ft-26ft

Overall

4673

Males

3415

M50-54

159

20M→22M

20.0 - 22.0 mi

Top 72%
×21stories
+17ft-266ft

Overall

5168

Males

3701

M50-54

174

22M→24M

22.0 - 24.0 mi

Top 50%
×3stories
+70ft-85ft

Overall

3599

Males

2632

M50-54

134

24M→Finish

24.0 - 26.2 mi

Top 52%
~flat
+2ft-2ft

Overall

3743

Males

2709

M50-54

124

Passing Analysis

Category:
Athletes Passed
1323*
Passed By
291
Net Change
+1032
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#7021
2M → 4M66*45+21#7021#7000
4M → 6M122*31+91#7000#6909
6M → 8M62*36+26#6909#6883
8M → 9.6M56*33+23#6883#6860
9.6M → 10M240+24#6860#6836
10M → 10.5M74*3+71#6836#6765
10.5M → 12M4925+24#6765#6741
12M → 14M60*27+33#6741#6708
14M → 16M134*9+125#6708#6583
16M → 18M30*72-42#6583#6625
18M → 20M152*0+152#6625#6473
20M → 22M120*7+113#6473#6360
22M → 24M192*3+189#6360#6171
24M → Finish182*0+182#6171#5989
TOTALS1323*291+1032

* 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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