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SF MARATHON 2026

Marty Bonfilio

Bib: 7806•M•Age: 41

Fairfax, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 7166
Top 39%
Gender (Male)
#0 / 5052
Top 45%
Masters (Masters Men)
#0 / 1321
Top 39%
Division (M40-44)
#0 / 435
Top 47%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
19:09
Rank: #3421
Start → 2M
19:09 | 9:34/mi
4M
38:16
Rank: #3305 (+116)
2M → 4M
19:07 | 9:34/mi
6M
57:27
Rank: #3244 (+61)
4M → 6M
19:11 | 9:35/mi
8M
1:16:13
Rank: #3196 (+48)
6M → 8M
18:46 | 9:23/mi
9.6M
1:32:26
Rank: #3201 (-5)
8M → 9.6M
16:13 | 10:08/mi
10M
1:35:02
Rank: #3192 (+9)
9.6M → 10M
2:36 | 6:30/mi
10.5M
1:41:18
Rank: #3149 (+43)
10M → 10.5M
6:16 | 12:32/mi
12M
1:54:38
Rank: #3059 (+90)
10.5M → 12M
13:20 | 8:53/mi
14M
2:15:53
Rank: #3101 (-42)
12M → 14M
21:15 | 10:37/mi
16M
2:31:49
Rank: #2916 (+185)
14M → 16M
15:56 | 7:58/mi
18M
2:54:43
Rank: #3028 (-112)
16M → 18M
22:54 | 11:27/mi
20M
3:15:19
Rank: #2981 (+47)
18M → 20M
20:36 | 10:18/mi
22M
3:35:01
Rank: #2943 (+38)
20M → 22M
19:42 | 9:51/mi
24M
3:56:25
Rank: #2848 (+95)
22M → 24M
21:24 | 10:42/mi
Finish· 26.22 mi
4:19:43
Rank: #2815 (+33)
24M → Finish
23:18 | 10:30/mi

The Course

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time2:15:53
Pace9:42 /mi
2nd Half✓ Faster
Distance12.22 mi
Time2:03:50
Pace10:08 /mi
📊Negative Split: 8.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:47:5119:099:3419:09
9:34
-
4M
4.00 mi06:06:5838:169:3419:07
9:34
0:00
6M
6.00 mi06:26:0957:279:3519:11
9:35
+0:01
8M
8.00 mi06:44:551:16:139:3218:46
9:23
-0:12
9.6M
9.60 mi07:01:081:32:269:3816:13
10:08
+0:45
10M
10.00 mi07:03:441:35:029:302:36
6:30
-3:38
10.5M
10.50 mi07:10:001:41:189:396:16
12:32
+6:02
12M
12.00 mi07:23:201:54:389:3313:20
8:53
-3:39
14M
14.00 mi07:44:352:15:539:4221:15
10:37
+1:44
16M
16.00 mi08:00:312:31:499:2915:56
7:58
-2:39
18M
18.00 mi08:23:252:54:439:4222:54
11:27
+3:29
20M
20.00 mi08:44:013:15:199:4620:36
10:18
-1:09
22M
22.00 mi09:03:433:35:019:4619:42
9:51
-0:27
24M
24.00 mi09:25:073:56:259:5121:24
10:42
+0:51
Finish
26.22 mi09:48:254:19:439:5523:18
10:30
-0:12

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

6:30 /mi

Average Pace

9:55 /mi

Slowest Pace

12:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

31:52

12% of race

Time at Steady Pace

2:36:02

60% of race

Time at Slower Pace

1:11:49

28% of race

Average Pace: 9:54 /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 mi05:47:5119:099:3419:09
9:34
#3421
4M
4.00 mi06:06:5838:169:3419:07
9:34
#3305
6M
6.00 mi06:26:0957:279:3519:11
9:35
#3244
8M
8.00 mi06:44:551:16:139:3218:46
9:23
#3196
9.6M
9.60 mi07:01:081:32:269:3816:13
10:08
#3201
10M
10.00 mi07:03:441:35:029:302:36
6:30
#3192
10.5M
10.50 mi07:10:001:41:189:396:16
12:32
#3149
12M
12.00 mi07:23:201:54:389:3313:20
8:53
#3059
14M
14.00 mi07:44:352:15:539:4221:15
10:37
#3101
16M
16.00 mi08:00:312:31:499:2915:56
7:58
#2916
18M
18.00 mi08:23:252:54:439:4222:54
11:27
#3028
20M
20.00 mi08:44:013:15:199:4620:36
10:18
#2981
22M
22.00 mi09:03:433:35:019:4619:42
9:51
#2943
24M
24.00 mi09:25:073:56:259:5121:24
10:42
#2848
Finish
26.22 mi09:48:254:19:439:5523:18
10:30
#2815
Faster pace
Steady pace
Slower pace
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 39%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:52

Segment Time

9:51/mi

Pace

0.90 mi

Distance

Overall

2793

Men

2298

Division

202

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
2M2.00 mi2.00 mi342127702412683(Top 37%)2216(Top 44%)190(Top 44%)
4M4.00 mi2.00 mi3305+1162680+90235+63265(Top 46%)2657(Top 53%)231(Top 53%)
6M6.00 mi2.00 mi3244+612637+43231+43229(Top 45%)2641(Top 52%)229(Top 53%)
8M8.00 mi2.00 mi3196+482609+28228+33188(Top 44%)2601(Top 51%)229(Top 53%)
9.6M9.60 mi1.60 mi3201-52611-2227+13308(Top 46%)2672(Top 53%)225(Top 52%)
10M10.00 mi0.40 mi3192+92609+22272902(Top 40%)2388(Top 47%)209(Top 48%)
10.5M10.50 mi0.50 mi3149+432573+36226+12867(Top 40%)2333(Top 46%)203(Top 47%)
12M12.00 mi1.50 mi3059+902513+60217+92683(Top 37%)2216(Top 44%)190(Top 44%)
14M14.00 mi2.00 mi3101-422540-27219-23469(Top 48%)2773(Top 55%)236(Top 54%)
16M16.00 mi2.00 mi2916+1852394+146210+92124(Top 30%)1720(Top 34%)152(Top 35%)
18M18.00 mi2.00 mi3028-1122466-72215-53904(Top 54%)2963(Top 59%)271(Top 62%)
20M20.00 mi2.00 mi2981+472418+48218-32904(Top 41%)2272(Top 45%)194(Top 45%)
22M22.00 mi2.00 mi2943+382378+40215+32970(Top 41%)2278(Top 45%)193(Top 44%)
24M24.00 mi2.00 mi2848+952287+91212+32530(Top 35%)1918(Top 38%)166(Top 38%)
Finish26.22 mi2.22 mi2815+332253+34205+72876(Top 40%)2141(Top 42%)183(Top 42%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 37%
×1human
+6ft-11ft

Overall

2683

Males

2216

M40-44

191

2M→4M

2.0 - 4.0 mi

Top 46%
×4stories
+75ft-70ft

Overall

3265

Males

2657

M40-44

232

4M→6M

4.0 - 6.0 mi

Top 45%
×5stories
+71ft-18ft

Overall

3229

Males

2641

M40-44

230

6M→8M

6.0 - 8.0 mi

Top 44%
×9stories
+106ft-21ft

Overall

3188

Males

2601

M40-44

230

8M→9.6M

8.0 - 9.6 mi

Top 46%
×13stories
+117ft-177ft

Overall

3308

Males

2672

M40-44

226

9.6M→10M

9.6 - 10.0 mi

Top 40%
×1story
+17ft-12ft

Overall

2902

Males

2388

M40-44

210

10M→10.5M

10.0 - 10.5 mi

Top 40%
×9stories
+0ft-102ft

Overall

2867

Males

2333

M40-44

204

10.5M→12M

10.5 - 12.0 mi

Top 37%
×18stories
+304ft-125ft

Overall

2683

Males

2216

M40-44

191

12M→14M

12.0 - 14.0 mi

Top 48%
×9stories
+99ft-125ft

Overall

3469

Males

2773

M40-44

237

14M→16M

14.0 - 16.0 mi

Top 30%
×9stories
+124ft-78ft

Overall

2124

Males

1720

M40-44

153

16M→18M

16.0 - 18.0 mi

Top 54%
×8stories
+106ft-45ft

Overall

3904

Males

2963

M40-44

272

18M→20M

18.0 - 20.0 mi

Top 41%
×3stories
+52ft-26ft

Overall

2904

Males

2272

M40-44

194

20M→22M

20.0 - 22.0 mi

Top 41%
×21stories
+17ft-266ft

Overall

2970

Males

2278

M40-44

193

22M→24M

22.0 - 24.0 mi

Top 35%
×3stories
+70ft-85ft

Overall

2530

Males

1918

M40-44

166

24M→Finish

24.0 - 26.2 mi

Top 40%
~flat
+2ft-2ft

Overall

2876

Males

2141

M40-44

183

Passing Analysis

Category:
Athletes Passed
1267*
Passed By
661
Net Change
+606
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3421
2M → 4M182*66+116#3421#3305
4M → 6M11453+61#3305#3244
6M → 8M89*41+48#3244#3196
8M → 9.6M57*62-5#3196#3201
9.6M → 10M134+9#3201#3192
10M → 10.5M518+43#3192#3149
10.5M → 12M11020+90#3149#3059
12M → 14M39*81-42#3059#3101
14M → 16M200*15+185#3101#2916
16M → 18M55167-112#2916#3028
18M → 20M84*37+47#3028#2981
20M → 22M75*37+38#2981#2943
22M → 24M118*23+95#2943#2848
24M → Finish80*47+33#2848#2815
TOTALS1267*661+606

* 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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