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SF MARATHON 2026

Mason Johnston

Bib: 2816•M•Age: 29

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 7166
Top 27%
Gender (Male)
#0 / 5052
Top 31%
Division (M25-29)
#0 / 1176
Top 35%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
19:20
Rank: #3579
Start → 2M
19:20 | 9:40/mi
4M
38:08
Rank: #3258 (+321)
2M → 4M
18:48 | 9:24/mi
6M
56:43
Rank: #3063 (+195)
4M → 6M
18:35 | 9:17/mi
8M
1:14:46
Rank: #2951 (+112)
6M → 8M
18:03 | 9:01/mi
9.6M
1:29:52
Rank: #2821 (+130)
8M → 9.6M
15:06 | 9:26/mi
10M
1:32:34
Rank: #2836 (-15)
9.6M → 10M
2:42 | 6:45/mi
10.5M
1:42:01
Rank: #3238 (-402)
10M → 10.5M
9:27 | 18:54/mi
12M
1:55:00
Rank: #3100 (+138)
10.5M → 12M
12:59 | 8:39/mi
14M
2:14:12
Rank: #2942 (+158)
12M → 14M
19:12 | 9:36/mi
16M
2:28:41
Rank: #2653 (+289)
14M → 16M
14:29 | 7:14/mi
18M
2:49:09
Rank: #2616 (+37)
16M → 18M
20:28 | 10:14/mi
20M
3:07:10
Rank: #2435 (+181)
18M → 20M
18:01 | 9:00/mi
22M
3:24:19
Rank: #2284 (+151)
20M → 22M
17:09 | 8:34/mi
24M
3:42:26
Rank: #2094 (+190)
22M → 24M
18:07 | 9:04/mi
Finish· 26.22 mi
4:01:02
Rank: #1912 (+182)
24M → Finish
18:36 | 8:23/mi

The Course

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time2:14:12
Pace9:35 /mi
2nd Half✓ Faster
Distance12.22 mi
Time1:46:50
Pace8:45 /mi
📊Negative Split: 20.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:39:4619:209:4019:20
9:40
-
4M
4.00 mi05:58:3438:089:3218:48
9:24
-0:16
6M
6.00 mi06:17:0956:439:2718:35
9:17
-0:07
8M
8.00 mi06:35:121:14:469:2118:03
9:01
-0:16
9.6M
9.60 mi06:50:181:29:529:2215:06
9:26
+0:25
10M
10.00 mi06:53:001:32:349:152:42
6:45
-2:41
10.5M
10.50 mi07:02:271:42:019:439:27
18:54
+12:09
12M
12.00 mi07:15:261:55:009:3512:59
8:39
-10:15
14M
14.00 mi07:34:382:14:129:3519:12
9:36
+0:57
16M
16.00 mi07:49:072:28:419:1814:29
7:14
-2:22
18M
18.00 mi08:09:352:49:099:2420:28
10:14
+3:00
20M
20.00 mi08:27:363:07:109:2118:01
9:00
-1:14
22M
22.00 mi08:44:453:24:199:1717:09
8:34
-0:26
24M
24.00 mi09:02:523:42:269:1618:07
9:04
+0:30
Finish
26.22 mi09:21:284:01:029:1218:36
8:23
-0:41

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

6:45 /mi

Average Pace

9:12 /mi

Slowest Pace

18:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

17:11

7% of race

Time at Steady Pace

3:34:24

89% of race

Time at Slower Pace

9:27

4% of race

Average Pace: 9:12 /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 mi05:39:4619:209:4019:20
9:40
#3579
4M
4.00 mi05:58:3438:089:3218:48
9:24
#3258
6M
6.00 mi06:17:0956:439:2718:35
9:17
#3063
8M
8.00 mi06:35:121:14:469:2118:03
9:01
#2951
9.6M
9.60 mi06:50:181:29:529:2215:06
9:26
#2821
10M
10.00 mi06:53:001:32:349:152:42
6:45
#2836
10.5M
10.50 mi07:02:271:42:019:439:27
18:54
#3238
12M
12.00 mi07:15:261:55:009:3512:59
8:39
#3100
14M
14.00 mi07:34:382:14:129:3519:12
9:36
#2942
16M
16.00 mi07:49:072:28:419:1814:29
7:14
#2653
18M
18.00 mi08:09:352:49:099:2420:28
10:14
#2616
20M
20.00 mi08:27:363:07:109:2118:01
9:00
#2435
22M
22.00 mi08:44:453:24:199:1717:09
8:34
#2284
24M
24.00 mi09:02:523:42:269:1618:07
9:04
#2094
Finish
26.22 mi09:21:284:01:029:1218:36
8:23
#1912
Faster pace
Steady pace
Slower pace
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 88%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:09

Segment Time

13:30/mi

Pace

0.90 mi

Distance

Overall

6338

Men

4565

Division

1091

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi357928827072326(Top 32%)1944(Top 38%)496(Top 42%)
4M4.00 mi2.00 mi3258+3212650+232658+493023(Top 42%)2481(Top 49%)610(Top 52%)
6M6.00 mi2.00 mi3063+1952509+141626+322804(Top 39%)2310(Top 46%)572(Top 49%)
8M8.00 mi2.00 mi2951+1122430+79598+282563(Top 36%)2143(Top 42%)537(Top 46%)
9.6M9.60 mi1.60 mi2821+1302323+107571+272370(Top 33%)2001(Top 40%)506(Top 43%)
10M10.00 mi0.40 mi2836-152336-13574-33392(Top 47%)2736(Top 54%)679(Top 58%)
10.5M10.50 mi0.50 mi3238-4022632-296648-746748(Top 94%)4806(Top 95%)1120(Top 95%)
12M12.00 mi1.50 mi3100+1382542+90622+262326(Top 32%)1944(Top 38%)496(Top 42%)
14M14.00 mi2.00 mi2942+1582429+113600+222115(Top 30%)1790(Top 35%)435(Top 37%)
16M16.00 mi2.00 mi2653+2892191+238546+541269(Top 18%)1075(Top 21%)278(Top 24%)
18M18.00 mi2.00 mi2616+372162+29534+122552(Top 36%)2047(Top 41%)519(Top 44%)
20M20.00 mi2.00 mi2435+1812012+150498+361430(Top 20%)1193(Top 24%)313(Top 27%)
22M22.00 mi2.00 mi2284+1511886+126467+311488(Top 21%)1219(Top 24%)315(Top 27%)
24M24.00 mi2.00 mi2094+1901734+152435+32849(Top 12%)703(Top 14%)193(Top 16%)
Finish26.22 mi2.22 mi1912+1821580+154407+28581(Top 8%)500(Top 10%)154(Top 13%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 32%
×1human
+6ft-11ft

Overall

2326

Males

1944

M25-29

498

2M→4M

2.0 - 4.0 mi

Top 42%
×4stories
+75ft-70ft

Overall

3023

Males

2481

M25-29

613

4M→6M

4.0 - 6.0 mi

Top 39%
×5stories
+71ft-18ft

Overall

2804

Males

2310

M25-29

575

6M→8M

6.0 - 8.0 mi

Top 36%
×9stories
+106ft-21ft

Overall

2563

Males

2143

M25-29

540

8M→9.6M

8.0 - 9.6 mi

Top 33%
×13stories
+117ft-177ft

Overall

2370

Males

2001

M25-29

508

9.6M→10M

9.6 - 10.0 mi

Top 47%
×1story
+17ft-12ft

Overall

3392

Males

2736

M25-29

683

10M→10.5M

10.0 - 10.5 mi

Top 94%
×9stories
+0ft-102ft

Overall

6748

Males

4806

M25-29

1130

10.5M→12M

10.5 - 12.0 mi

Top 32%
×18stories
+304ft-125ft

Overall

2326

Males

1944

M25-29

498

12M→14M

12.0 - 14.0 mi

Top 30%
×9stories
+99ft-125ft

Overall

2115

Males

1790

M25-29

438

14M→16M

14.0 - 16.0 mi

Top 18%
×9stories
+124ft-78ft

Overall

1269

Males

1075

M25-29

278

16M→18M

16.0 - 18.0 mi

Top 36%
×8stories
+106ft-45ft

Overall

2552

Males

2047

M25-29

521

18M→20M

18.0 - 20.0 mi

Top 20%
×3stories
+52ft-26ft

Overall

1430

Males

1193

M25-29

313

20M→22M

20.0 - 22.0 mi

Top 21%
×21stories
+17ft-266ft

Overall

1488

Males

1219

M25-29

315

22M→24M

22.0 - 24.0 mi

Top 12%
×3stories
+70ft-85ft

Overall

849

Males

703

M25-29

193

24M→Finish

24.0 - 26.2 mi

Top 8%
~flat
+2ft-2ft

Overall

581

Males

500

M25-29

154

Passing Analysis

Category:
Athletes Passed
2243*
Passed By
576
Net Change
+1667
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3579
2M → 4M341*20+321#3579#3258
4M → 6M20914+195#3258#3063
6M → 8M128*16+112#3063#2951
8M → 9.6M134*4+130#2951#2821
9.6M → 10M924-15#2821#2836
10M → 10.5M4406-402#2836#3238
10.5M → 12M1435+138#3238#3100
12M → 14M161*3+158#3100#2942
14M → 16M291*2+289#2942#2653
16M → 18M11376+37#2653#2616
18M → 20M181*0+181#2616#2435
20M → 22M156*5+151#2435#2284
22M → 24M191*1+190#2284#2094
24M → Finish182*0+182#2094#1912
TOTALS2243*576+1667

* 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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