San Francisco Marathon logo
SF MARATHON 2026

Nick Bos

Bib: 2112•M•Age: 36

El Sobrante, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 7166
Top 11%
Gender (Male)
#0 / 5052
Top 14%
Division (M35-39)
#0 / 717
Top 14%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
16:31
Rank: #1058
Start → 2M
16:31 | 8:15/mi
4M
33:06
Rank: #1052 (+6)
2M → 4M
16:35 | 8:18/mi
6M
49:38
Rank: #1041 (+11)
4M → 6M
16:32 | 8:16/mi
8M
1:06:06
Rank: #1062 (-21)
6M → 8M
16:28 | 8:14/mi
9.6M
1:19:51
Rank: #1033 (+29)
8M → 9.6M
13:45 | 8:36/mi
10M
1:22:06
Rank: #1027 (+6)
9.6M → 10M
2:15 | 5:38/mi
10.5M
1:29:18
Rank: #1225 (-198)
10M → 10.5M
7:12 | 14:24/mi
12M
1:41:09
Rank: #1189 (+36)
10.5M → 12M
11:51 | 7:54/mi
14M
1:58:58
Rank: #1165 (+24)
12M → 14M
17:49 | 8:54/mi
16M
2:13:12
Rank: #1109 (+56)
14M → 16M
14:14 | 7:07/mi
18M
2:32:05
Rank: #1113 (-4)
16M → 18M
18:53 | 9:27/mi
20M
2:48:52
Rank: #1047 (+66)
18M → 20M
16:47 | 8:23/mi
22M
3:04:41
Rank: #985 (+62)
20M → 22M
15:49 | 7:54/mi
24M
3:21:02
Rank: #875 (+110)
22M → 24M
16:21 | 8:11/mi
Finish· 26.22 mi
3:38:51
Rank: #790 (+85)
24M → Finish
17:49 | 8:02/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via 14M
Distance14.00 mi
Time1:58:58
Pace8:30 /mi
2nd Half✓ Faster
Distance12.22 mi
Time1:39:53
Pace8:10 /mi
📊Negative Split: 16.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:56:0616:318:1516:31
8:15
-
4M
4.00 mi06:12:4133:068:1716:35
8:18
+0:03
6M
6.00 mi06:29:1349:388:1616:32
8:16
-0:02
8M
8.00 mi06:45:411:06:068:1616:28
8:14
-0:02
9.6M
9.60 mi06:59:261:19:518:1913:45
8:36
+0:22
10M
10.00 mi07:01:411:22:068:132:15
5:38
-2:58
10.5M
10.50 mi07:08:531:29:188:307:12
14:24
+8:46
12M
12.00 mi07:20:441:41:098:2611:51
7:54
-6:30
14M
14.00 mi07:38:331:58:588:3017:49
8:54
+1:00
16M
16.00 mi07:52:472:13:128:1914:14
7:07
-1:47
18M
18.00 mi08:11:402:32:058:2718:53
9:27
+2:20
20M
20.00 mi08:28:272:48:528:2716:47
8:23
-1:04
22M
22.00 mi08:44:163:04:418:2415:49
7:54
-0:29
24M
24.00 mi09:00:373:21:028:2316:21
8:11
+0:17
Finish
26.22 mi09:18:263:38:518:2117:49
8:02
-0:09

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

5:38 /mi

Average Pace

8:21 /mi

Slowest Pace

14:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

16:29

8% of race

Time at Steady Pace

2:56:17

81% of race

Time at Slower Pace

26:05

12% of race

Average Pace: 8:21 /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 mi05:56:0616:318:1516:31
8:15
#1058
4M
4.00 mi06:12:4133:068:1716:35
8:18
#1052
6M
6.00 mi06:29:1349:388:1616:32
8:16
#1041
8M
8.00 mi06:45:411:06:068:1616:28
8:14
#1062
9.6M
9.60 mi06:59:261:19:518:1913:45
8:36
#1033
10M
10.00 mi07:01:411:22:068:132:15
5:38
#1027
10.5M
10.50 mi07:08:531:29:188:307:12
14:24
#1225
12M
12.00 mi07:20:441:41:098:2611:51
7:54
#1189
14M
14.00 mi07:38:331:58:588:3017:49
8:54
#1165
16M
16.00 mi07:52:472:13:128:1914:14
7:07
#1109
18M
18.00 mi08:11:402:32:058:2718:53
9:27
#1113
20M
20.00 mi08:28:272:48:528:2716:47
8:23
#1047
22M
22.00 mi08:44:163:04:418:2415:49
7:54
#985
24M
24.00 mi09:00:373:21:028:2316:21
8:11
#875
Finish
26.22 mi09:18:263:38:518:2117:49
8:02
#790
Faster pace
Steady pace
Slower pace
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 50%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:27

Segment Time

10:30/mi

Pace

0.90 mi

Distance

Overall

3601

Men

2867

Division

403

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi10589321261114(Top 16%)977(Top 19%)134(Top 19%)
4M4.00 mi2.00 mi1052+6929+3131-51047(Top 15%)930(Top 18%)127(Top 18%)
6M6.00 mi2.00 mi1041+11924+5127+41018(Top 14%)902(Top 18%)125(Top 17%)
8M8.00 mi2.00 mi1062-21945-21130-31147(Top 16%)1002(Top 20%)135(Top 19%)
9.6M9.60 mi1.60 mi1033+29920+25127+31062(Top 15%)948(Top 19%)140(Top 20%)
10M10.00 mi0.40 mi1027+6914+6126+1937(Top 13%)837(Top 17%)121(Top 17%)
10.5M10.50 mi0.50 mi1225-1981076-162148-224617(Top 64%)3507(Top 69%)489(Top 68%)
12M12.00 mi1.50 mi1189+361046+30143+51114(Top 16%)977(Top 19%)134(Top 19%)
14M14.00 mi2.00 mi1165+241025+211431078(Top 15%)949(Top 19%)140(Top 20%)
16M16.00 mi2.00 mi1109+56978+47137+61091(Top 15%)935(Top 19%)130(Top 18%)
18M18.00 mi2.00 mi1113-4983-5139-21646(Top 23%)1379(Top 27%)185(Top 26%)
20M20.00 mi2.00 mi1047+66922+61130+9786(Top 11%)690(Top 14%)96(Top 13%)
22M22.00 mi2.00 mi985+62867+55121+9775(Top 11%)669(Top 13%)98(Top 14%)
24M24.00 mi2.00 mi875+110773+94105+16326(Top 5%)295(Top 6%)40(Top 6%)
Finish26.22 mi2.22 mi790+85696+7798+7381(Top 5%)333(Top 7%)44(Top 6%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 16%
×1human
+6ft-11ft

Overall

1114

Males

977

M35-39

134

2M→4M

2.0 - 4.0 mi

Top 15%
×4stories
+75ft-70ft

Overall

1047

Males

930

M35-39

128

4M→6M

4.0 - 6.0 mi

Top 14%
×5stories
+71ft-18ft

Overall

1018

Males

902

M35-39

127

6M→8M

6.0 - 8.0 mi

Top 16%
×9stories
+106ft-21ft

Overall

1147

Males

1002

M35-39

135

8M→9.6M

8.0 - 9.6 mi

Top 15%
×13stories
+117ft-177ft

Overall

1062

Males

948

M35-39

140

9.6M→10M

9.6 - 10.0 mi

Top 13%
×1story
+17ft-12ft

Overall

937

Males

837

M35-39

121

10M→10.5M

10.0 - 10.5 mi

Top 64%
×9stories
+0ft-102ft

Overall

4617

Males

3507

M35-39

492

10.5M→12M

10.5 - 12.0 mi

Top 16%
×18stories
+304ft-125ft

Overall

1114

Males

977

M35-39

134

12M→14M

12.0 - 14.0 mi

Top 15%
×9stories
+99ft-125ft

Overall

1078

Males

949

M35-39

140

14M→16M

14.0 - 16.0 mi

Top 15%
×9stories
+124ft-78ft

Overall

1091

Males

935

M35-39

130

16M→18M

16.0 - 18.0 mi

Top 23%
×8stories
+106ft-45ft

Overall

1646

Males

1379

M35-39

185

18M→20M

18.0 - 20.0 mi

Top 11%
×3stories
+52ft-26ft

Overall

786

Males

690

M35-39

96

20M→22M

20.0 - 22.0 mi

Top 11%
×21stories
+17ft-266ft

Overall

775

Males

669

M35-39

98

22M→24M

22.0 - 24.0 mi

Top 5%
×3stories
+70ft-85ft

Overall

326

Males

295

M35-39

40

24M→Finish

24.0 - 26.2 mi

Top 5%
~flat
+2ft-2ft

Overall

381

Males

333

M35-39

44

Passing Analysis

Category:
Athletes Passed
746*
Passed By
478
Net Change
+268
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1058
2M → 4M5751+6#1058#1052
4M → 6M4433+11#1052#1041
6M → 8M23*44-21#1041#1062
8M → 9.6M4112+29#1062#1033
9.6M → 10M93+6#1033#1027
10M → 10.5M1199-198#1027#1225
10.5M → 12M4711+36#1225#1189
12M → 14M35*11+24#1189#1165
14M → 16M86*30+56#1165#1109
16M → 18M6468-4#1109#1113
18M → 20M70*4+66#1113#1047
20M → 22M70*8+62#1047#985
22M → 24M112*2+110#985#875
24M → Finish87*2+85#875#790
TOTALS746*478+268

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

📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events