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SF MARATHON 2026

Jon Jacobsen

Bib: 959•M•Age: 59

Palo Alto, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 7166
Top 16%
Gender (Male)
#0 / 5052
Top 19%
Masters (Masters Men)
#0 / 1321
Top 15%
Division (M55-59)
#0 / 145
Top 9%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
17:34
Rank: #1820
Start → 2M
17:34 | 8:47/mi
4M
34:45
Rank: #1620 (+200)
2M → 4M
17:11 | 8:36/mi
6M
51:52
Rank: #1538 (+82)
4M → 6M
17:07 | 8:33/mi
8M
1:08:19
Rank: #1414 (+124)
6M → 8M
16:27 | 8:13/mi
9.6M
1:22:28
Rank: #1385 (+29)
8M → 9.6M
14:09 | 8:51/mi
10M
1:24:44
Rank: #1359 (+26)
9.6M → 10M
2:16 | 5:40/mi
10.5M
1:30:14
Rank: #1332 (+27)
10M → 10.5M
5:30 | 11:00/mi
12M
1:42:17
Rank: #1311 (+21)
10.5M → 12M
12:03 | 8:02/mi
14M
2:00:19
Rank: #1286 (+25)
12M → 14M
18:02 | 9:01/mi
16M
2:14:13
Rank: #1182 (+104)
14M → 16M
13:54 | 6:57/mi
18M
2:34:12
Rank: #1258 (-76)
16M → 18M
19:59 | 10:00/mi
20M
2:51:58
Rank: #1236 (+22)
18M → 20M
17:46 | 8:53/mi
22M
3:08:27
Rank: #1178 (+58)
20M → 22M
16:29 | 8:14/mi
24M
3:27:45
Rank: #1173 (+5)
22M → 24M
19:18 | 9:39/mi
Finish· 26.22 mi
3:47:13
Rank: #1111 (+62)
24M → Finish
19:28 | 8:46/mi

The Course

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time2:00:19
Pace8:36 /mi
2nd Half✓ Faster
Distance12.22 mi
Time1:46:54
Pace8:45 /mi
📊Negative Split: 11.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:34:4717:348:4717:34
8:47
-
4M
4.00 mi05:51:5834:458:4117:11
8:36
-0:11
6M
6.00 mi06:09:0551:528:3917:07
8:33
-0:03
8M
8.00 mi06:25:321:08:198:3216:27
8:13
-0:20
9.6M
9.60 mi06:39:411:22:288:3514:09
8:51
+0:38
10M
10.00 mi06:41:571:24:448:282:16
5:40
-3:11
10.5M
10.50 mi06:47:271:30:148:365:30
11:00
+5:20
12M
12.00 mi06:59:301:42:178:3112:03
8:02
-2:58
14M
14.00 mi07:17:322:00:198:3618:02
9:01
+0:59
16M
16.00 mi07:31:262:14:138:2313:54
6:57
-2:04
18M
18.00 mi07:51:252:34:128:3419:59
10:00
+3:03
20M
20.00 mi08:09:112:51:588:3617:46
8:53
-1:07
22M
22.00 mi08:25:403:08:278:3416:29
8:14
-0:39
24M
24.00 mi08:44:583:27:458:3919:18
9:39
+1:25
Finish
26.22 mi09:04:263:47:138:4019:28
8:46
-0:53

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

5:40 /mi

Average Pace

8:40 /mi

Slowest Pace

11:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

28:13

12% of race

Time at Steady Pace

2:34:13

68% of race

Time at Slower Pace

44:47

20% of race

Average Pace: 8:40 /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 mi05:34:4717:348:4717:34
8:47
#1820
4M
4.00 mi05:51:5834:458:4117:11
8:36
#1620
6M
6.00 mi06:09:0551:528:3917:07
8:33
#1538
8M
8.00 mi06:25:321:08:198:3216:27
8:13
#1414
9.6M
9.60 mi06:39:411:22:288:3514:09
8:51
#1385
10M
10.00 mi06:41:571:24:448:282:16
5:40
#1359
10.5M
10.50 mi06:47:271:30:148:365:30
11:00
#1332
12M
12.00 mi06:59:301:42:178:3112:03
8:02
#1311
14M
14.00 mi07:17:322:00:198:3618:02
9:01
#1286
16M
16.00 mi07:31:262:14:138:2313:54
6:57
#1182
18M
18.00 mi07:51:252:34:128:3419:59
10:00
#1258
20M
20.00 mi08:09:112:51:588:3617:46
8:53
#1236
22M
22.00 mi08:25:403:08:278:3416:29
8:14
#1178
24M
24.00 mi08:44:583:27:458:3919:18
9:39
#1173
Finish
26.22 mi09:04:263:47:138:4019:28
8:46
#1111
Faster pace
Steady pace
Slower pace
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 15%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

7:46

Segment Time

8:38/mi

Pace

0.90 mi

Distance

Overall

1054

Men

938

Division

13

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
2M2.00 mi2.00 mi18201570241311(Top 18%)1137(Top 23%)11(Top 8%)
4M4.00 mi2.00 mi1620+2001399+17122+21478(Top 21%)1281(Top 25%)16(Top 11%)
6M6.00 mi2.00 mi1538+821335+6420+21418(Top 20%)1226(Top 24%)12(Top 8%)
8M8.00 mi2.00 mi1414+1241229+10617+31140(Top 16%)997(Top 20%)12(Top 8%)
9.6M9.60 mi1.60 mi1385+291203+2615+21393(Top 19%)1217(Top 24%)14(Top 10%)
10M10.00 mi0.40 mi1359+261184+19151029(Top 14%)912(Top 18%)13(Top 9%)
10.5M10.50 mi0.50 mi1332+271160+2414+11179(Top 16%)1035(Top 20%)15(Top 10%)
12M12.00 mi1.50 mi1311+211143+1713+11311(Top 18%)1137(Top 23%)11(Top 8%)
14M14.00 mi2.00 mi1286+251128+15131221(Top 17%)1065(Top 21%)11(Top 8%)
16M16.00 mi2.00 mi1182+1041038+9013871(Top 12%)752(Top 15%)9(Top 6%)
18M18.00 mi2.00 mi1258-761098-6014-12232(Top 31%)1825(Top 36%)34(Top 23%)
20M20.00 mi2.00 mi1236+221069+29141264(Top 18%)1062(Top 21%)12(Top 8%)
22M22.00 mi2.00 mi1178+581016+53141115(Top 16%)939(Top 19%)15(Top 10%)
24M24.00 mi2.00 mi1173+51007+913+11381(Top 19%)1111(Top 22%)17(Top 12%)
Finish26.22 mi2.22 mi1111+62955+5213893(Top 12%)735(Top 15%)9(Top 6%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 18%
×1human
+6ft-11ft

Overall

1311

Males

1137

M55-59

11

2M→4M

2.0 - 4.0 mi

Top 21%
×4stories
+75ft-70ft

Overall

1478

Males

1281

M55-59

16

4M→6M

4.0 - 6.0 mi

Top 20%
×5stories
+71ft-18ft

Overall

1418

Males

1226

M55-59

12

6M→8M

6.0 - 8.0 mi

Top 16%
×9stories
+106ft-21ft

Overall

1140

Males

997

M55-59

12

8M→9.6M

8.0 - 9.6 mi

Top 19%
×13stories
+117ft-177ft

Overall

1393

Males

1217

M55-59

14

9.6M→10M

9.6 - 10.0 mi

Top 14%
×1story
+17ft-12ft

Overall

1029

Males

912

M55-59

13

10M→10.5M

10.0 - 10.5 mi

Top 16%
×9stories
+0ft-102ft

Overall

1179

Males

1035

M55-59

15

10.5M→12M

10.5 - 12.0 mi

Top 18%
×18stories
+304ft-125ft

Overall

1311

Males

1137

M55-59

11

12M→14M

12.0 - 14.0 mi

Top 17%
×9stories
+99ft-125ft

Overall

1221

Males

1065

M55-59

11

14M→16M

14.0 - 16.0 mi

Top 12%
×9stories
+124ft-78ft

Overall

871

Males

752

M55-59

9

16M→18M

16.0 - 18.0 mi

Top 31%
×8stories
+106ft-45ft

Overall

2232

Males

1825

M55-59

34

18M→20M

18.0 - 20.0 mi

Top 18%
×3stories
+52ft-26ft

Overall

1264

Males

1062

M55-59

12

20M→22M

20.0 - 22.0 mi

Top 16%
×21stories
+17ft-266ft

Overall

1115

Males

939

M55-59

15

22M→24M

22.0 - 24.0 mi

Top 19%
×3stories
+70ft-85ft

Overall

1381

Males

1111

M55-59

17

24M→Finish

24.0 - 26.2 mi

Top 12%
~flat
+2ft-2ft

Overall

893

Males

735

M55-59

9

Passing Analysis

Category:
Athletes Passed
1003*
Passed By
294
Net Change
+709
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1820
2M → 4M21414+200#1820#1620
4M → 6M10018+82#1620#1538
6M → 8M126*2+124#1538#1414
8M → 9.6M5223+29#1414#1385
9.6M → 10M260+26#1385#1359
10M → 10.5M303+27#1359#1332
10.5M → 12M3817+21#1332#1311
12M → 14M43*18+25#1311#1286
14M → 16M114*10+104#1286#1182
16M → 18M2197-76#1182#1258
18M → 20M50*28+22#1258#1236
20M → 22M67*9+58#1236#1178
22M → 24M41*36+5#1178#1173
24M → Finish81*19+62#1173#1111
TOTALS1003*294+709

* 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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