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SF MARATHON 2026

Marcus Guy

Bib: 6331•M•Age: 34

Los Angeles, CA

0:00
0:00
/ mi
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Overall
#0 / 7166
Top 36%
Gender (Male)
#0 / 5052
Top 41%
Division (M30-34)
#0 / 1040
Top 42%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
17:19
Rank: #1643
Start → 2M
17:19 | 8:39/mi
4M
35:07
Rank: #1784 (-141)
2M → 4M
17:48 | 8:54/mi
6M
52:36
Rank: #1743 (+41)
4M → 6M
17:29 | 8:44/mi
8M
1:10:20
Rank: #1851 (-108)
6M → 8M
17:44 | 8:52/mi
9.6M
1:25:02
Rank: #1855 (-4)
8M → 9.6M
14:42 | 9:11/mi
10M
1:27:29
Rank: #1848 (+7)
9.6M → 10M
2:27 | 6:08/mi
10.5M
1:33:20
Rank: #1830 (+18)
10M → 10.5M
5:51 | 11:42/mi
12M
1:46:17
Rank: #1880 (-50)
10.5M → 12M
12:57 | 8:38/mi
14M
2:05:41
Rank: #1913 (-33)
12M → 14M
19:24 | 9:42/mi
16M
2:20:27
Rank: #1776 (+137)
14M → 16M
14:46 | 7:23/mi
18M
2:44:08
Rank: #2184 (-408)
16M → 18M
23:41 | 11:51/mi
20M
3:05:38
Rank: #2333 (-149)
18M → 20M
21:30 | 10:45/mi
22M
3:26:45
Rank: #2441 (-108)
20M → 22M
21:07 | 10:33/mi
24M
3:50:35
Rank: #2529 (-88)
22M → 24M
23:50 | 11:55/mi
Finish· 26.22 mi
4:15:33
Rank: #2588 (-59)
24M → Finish
24:58 | 11:15/mi

The Course

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Half Splits

1st Half· via 14MFaster
Distance14.00 mi
Time2:05:41
Pace8:59 /mi
2nd Half
Distance12.22 mi
Time2:09:52
Pace10:38 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:49:0317:198:3917:19
8:39
-
4M
4.00 mi06:06:5135:078:4717:48
8:54
+0:15
6M
6.00 mi06:24:2052:368:4617:29
8:44
-0:10
8M
8.00 mi06:42:041:10:208:4717:44
8:52
+0:08
9.6M
9.60 mi06:56:461:25:028:5114:42
9:11
+0:19
10M
10.00 mi06:59:131:27:298:452:27
6:08
-3:03
10.5M
10.50 mi07:05:041:33:208:535:51
11:42
+5:34
12M
12.00 mi07:18:011:46:178:5112:57
8:38
-3:04
14M
14.00 mi07:37:252:05:418:5919:24
9:42
+1:04
16M
16.00 mi07:52:112:20:278:4714:46
7:23
-2:19
18M
18.00 mi08:15:522:44:089:0723:41
11:51
+4:28
20M
20.00 mi08:37:223:05:389:1721:30
10:45
-1:06
22M
22.00 mi08:58:293:26:459:2421:07
10:33
-0:12
24M
24.00 mi09:22:193:50:359:3623:50
11:55
+1:22
Finish
26.22 mi09:47:174:15:339:4524:58
11:15
-0:40

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

6:08 /mi

Average Pace

9:45 /mi

Slowest Pace

11:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

17:13

7% of race

Time at Steady Pace

1:57:23

46% of race

Time at Slower Pace

2:00:57

47% of race

Average Pace: 9:45 /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 mi05:49:0317:198:3917:19
8:39
#1643
4M
4.00 mi06:06:5135:078:4717:48
8:54
#1784
6M
6.00 mi06:24:2052:368:4617:29
8:44
#1743
8M
8.00 mi06:42:041:10:208:4717:44
8:52
#1851
9.6M
9.60 mi06:56:461:25:028:5114:42
9:11
#1855
10M
10.00 mi06:59:131:27:298:452:27
6:08
#1848
10.5M
10.50 mi07:05:041:33:208:535:51
11:42
#1830
12M
12.00 mi07:18:011:46:178:5112:57
8:38
#1880
14M
14.00 mi07:37:252:05:418:5919:24
9:42
#1913
16M
16.00 mi07:52:112:20:278:4714:46
7:23
#1776
18M
18.00 mi08:15:522:44:089:0723:41
11:51
#2184
20M
20.00 mi08:37:223:05:389:1721:30
10:45
#2333
22M
22.00 mi08:58:293:26:459:2421:07
10:33
#2441
24M
24.00 mi09:22:193:50:359:3623:50
11:55
#2529
Finish
26.22 mi09:47:174:15:339:4524:58
11:15
#2588
Faster pace
Steady pace
Slower pace
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 26%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:18

Segment Time

9:13/mi

Pace

0.90 mi

Distance

Overall

1845

Men

1585

Division

340

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi2.00 mi164314193082293(Top 32%)1919(Top 38%)398(Top 38%)
4M4.00 mi2.00 mi1784-1411538-119332-242021(Top 28%)1710(Top 34%)356(Top 34%)
6M6.00 mi2.00 mi1743+411498+40316+161730(Top 24%)1478(Top 29%)307(Top 30%)
8M8.00 mi2.00 mi1851-1081585-87338-222234(Top 31%)1878(Top 37%)396(Top 38%)
9.6M9.60 mi1.60 mi1855-41590-5336+21946(Top 27%)1667(Top 33%)355(Top 34%)
10M10.00 mi0.40 mi1848+71583+7335+12017(Top 28%)1714(Top 34%)368(Top 35%)
10.5M10.50 mi0.50 mi1830+181571+12331+41915(Top 27%)1639(Top 32%)341(Top 33%)
12M12.00 mi1.50 mi1880-501610-39337-62293(Top 32%)1919(Top 38%)398(Top 38%)
14M14.00 mi2.00 mi1913-331630-20343-62284(Top 32%)1912(Top 38%)402(Top 39%)
16M16.00 mi2.00 mi1776+1371513+117316+271456(Top 20%)1218(Top 24%)250(Top 24%)
18M18.00 mi2.00 mi2184-4081824-311383-674306(Top 60%)3228(Top 64%)650(Top 63%)
20M20.00 mi2.00 mi2333-1491941-117410-273414(Top 48%)2610(Top 52%)534(Top 51%)
22M22.00 mi2.00 mi2441-1082007-66419-93769(Top 53%)2788(Top 55%)570(Top 55%)
24M24.00 mi2.00 mi2529-882058-51430-113782(Top 53%)2749(Top 54%)555(Top 53%)
Finish26.22 mi2.22 mi2588-592088-30436-63766(Top 53%)2726(Top 54%)546(Top 53%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 32%
×1human
+6ft-11ft

Overall

2293

Males

1919

M30-34

401

2M→4M

2.0 - 4.0 mi

Top 28%
×4stories
+75ft-70ft

Overall

2021

Males

1710

M30-34

358

4M→6M

4.0 - 6.0 mi

Top 24%
×5stories
+71ft-18ft

Overall

1730

Males

1478

M30-34

309

6M→8M

6.0 - 8.0 mi

Top 31%
×9stories
+106ft-21ft

Overall

2234

Males

1878

M30-34

398

8M→9.6M

8.0 - 9.6 mi

Top 27%
×13stories
+117ft-177ft

Overall

1946

Males

1667

M30-34

357

9.6M→10M

9.6 - 10.0 mi

Top 28%
×1story
+17ft-12ft

Overall

2017

Males

1714

M30-34

370

10M→10.5M

10.0 - 10.5 mi

Top 27%
×9stories
+0ft-102ft

Overall

1915

Males

1639

M30-34

344

10.5M→12M

10.5 - 12.0 mi

Top 32%
×18stories
+304ft-125ft

Overall

2293

Males

1919

M30-34

401

12M→14M

12.0 - 14.0 mi

Top 32%
×9stories
+99ft-125ft

Overall

2284

Males

1912

M30-34

404

14M→16M

14.0 - 16.0 mi

Top 20%
×9stories
+124ft-78ft

Overall

1456

Males

1218

M30-34

250

16M→18M

16.0 - 18.0 mi

Top 60%
×8stories
+106ft-45ft

Overall

4306

Males

3228

M30-34

652

18M→20M

18.0 - 20.0 mi

Top 48%
×3stories
+52ft-26ft

Overall

3414

Males

2610

M30-34

536

20M→22M

20.0 - 22.0 mi

Top 53%
×21stories
+17ft-266ft

Overall

3769

Males

2788

M30-34

572

22M→24M

22.0 - 24.0 mi

Top 53%
×3stories
+70ft-85ft

Overall

3782

Males

2749

M30-34

556

24M→Finish

24.0 - 26.2 mi

Top 53%
~flat
+2ft-2ft

Overall

3766

Males

2726

M30-34

546

Passing Analysis

Category:
Athletes Passed
598*
Passed By
1543
Net Change
-945
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1643
2M → 4M36177-141#1643#1784
4M → 6M9049+41#1784#1743
6M → 8M28*136-108#1743#1851
8M → 9.6M4650-4#1851#1855
9.6M → 10M136+7#1855#1848
10M → 10.5M3315+18#1848#1830
10.5M → 12M2676-50#1830#1880
12M → 14M33*66-33#1880#1913
14M → 16M162*25+137#1913#1776
16M → 18M6414-408#1776#2184
18M → 20M27*176-149#2184#2333
20M → 22M27*135-108#2333#2441
22M → 24M34*122-88#2441#2529
24M → Finish37*96-59#2529#2588
TOTALS598*1543-945

* 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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