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SF MARATHON 2026

Jackson Peck

Bib: 8605•M•Age: 19

Walnut Creek, CA

0:00
0:00
/ mi
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Overall
#0 / 7166
Top 16%
Gender (Male)
#0 / 5052
Top 19%
M19 & Under
#0 / 150
Top 29%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
18:19
Rank: #2648
Start → 2M
18:19 | 9:09/mi
4M
35:20
Rank: #1881 (+767)
2M → 4M
17:01 | 8:31/mi
6M
52:15
Rank: #1642 (+239)
4M → 6M
16:55 | 8:27/mi
8M
1:09:00
Rank: #1537 (+105)
6M → 8M
16:45 | 8:22/mi
9.6M
1:23:00
Rank: #1461 (+76)
8M → 9.6M
14:00 | 8:45/mi
10M
1:25:14
Rank: #1427 (+34)
9.6M → 10M
2:14 | 5:35/mi
10.5M
1:30:42
Rank: #1396 (+31)
10M → 10.5M
5:28 | 10:56/mi
12M
1:42:24
Rank: #1327 (+69)
10.5M → 12M
11:42 | 7:48/mi
14M
1:59:56
Rank: #1248 (+79)
12M → 14M
17:32 | 8:46/mi
16M
2:13:11
Rank: #1106 (+142)
14M → 16M
13:15 | 6:37/mi
18M
2:31:49
Rank: #1093 (+13)
16M → 18M
18:38 | 9:19/mi
20M
2:49:48
Rank: #1097 (-4)
18M → 20M
17:59 | 8:59/mi
22M
3:08:11
Rank: #1167 (-70)
20M → 22M
18:23 | 9:11/mi
24M
3:27:18
Rank: #1152 (+15)
22M → 24M
19:07 | 9:34/mi
Finish· 26.22 mi
3:47:44
Rank: #1141 (+11)
24M → Finish
20:26 | 9:13/mi

The Course

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time1:59:56
Pace8:34 /mi
2nd Half✓ Faster
Distance12.22 mi
Time1:47:48
Pace8:49 /mi
📊Negative Split: 10.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:38:3218:199:0918:19
9:09
-
4M
4.00 mi05:55:3335:208:5017:01
8:31
-0:38
6M
6.00 mi06:12:2852:158:4316:55
8:27
-0:04
8M
8.00 mi06:29:131:09:008:3716:45
8:22
-0:05
9.6M
9.60 mi06:43:131:23:008:3914:00
8:45
+0:23
10M
10.00 mi06:45:271:25:148:312:14
5:35
-3:10
10.5M
10.50 mi06:50:551:30:428:385:28
10:56
+5:21
12M
12.00 mi07:02:371:42:248:3211:42
7:48
-3:08
14M
14.00 mi07:20:091:59:568:3417:32
8:46
+0:58
16M
16.00 mi07:33:242:13:118:1913:15
6:37
-2:09
18M
18.00 mi07:52:022:31:498:2618:38
9:19
+2:42
20M
20.00 mi08:10:012:49:488:2917:59
8:59
-0:20
22M
22.00 mi08:28:243:08:118:3318:23
9:11
+0:12
24M
24.00 mi08:47:313:27:188:3819:07
9:34
+0:23
Finish
26.22 mi09:07:573:47:448:4220:26
9:13
-0:21

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

5:35 /mi

Average Pace

8:42 /mi

Slowest Pace

10:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

27:11

12% of race

Time at Steady Pace

2:55:58

77% of race

Time at Slower Pace

24:35

11% of race

Average Pace: 8:41 /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 mi05:38:3218:199:0918:19
9:09
#2648
4M
4.00 mi05:55:3335:208:5017:01
8:31
#1881
6M
6.00 mi06:12:2852:158:4316:55
8:27
#1642
8M
8.00 mi06:29:131:09:008:3716:45
8:22
#1537
9.6M
9.60 mi06:43:131:23:008:3914:00
8:45
#1461
10M
10.00 mi06:45:271:25:148:312:14
5:35
#1427
10.5M
10.50 mi06:50:551:30:428:385:28
10:56
#1396
12M
12.00 mi07:02:371:42:248:3211:42
7:48
#1327
14M
14.00 mi07:20:091:59:568:3417:32
8:46
#1248
16M
16.00 mi07:33:242:13:118:1913:15
6:37
#1106
18M
18.00 mi07:52:022:31:498:2618:38
9:19
#1093
20M
20.00 mi08:10:012:49:488:2917:59
8:59
#1097
22M
22.00 mi08:28:243:08:118:3318:23
9:11
#1167
24M
24.00 mi08:47:313:27:188:3819:07
9:34
#1152
Finish
26.22 mi09:07:573:47:448:4220:26
9:13
#1141
Faster pace
Steady pace
Slower pace
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 14%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

7:42

Segment Time

8:33/mi

Pace

0.90 mi

Distance

Overall

979

Men

874

Division

38

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM19 & UnderSeg. OverallSeg. MalesSeg. M19 & Under
2M2.00 mi2.00 mi2648219386999(Top 14%)883(Top 17%)42(Top 28%)
4M4.00 mi2.00 mi1881+7671611+58267+191363(Top 19%)1186(Top 23%)49(Top 33%)
6M6.00 mi2.00 mi1642+2391419+19255+121278(Top 18%)1108(Top 22%)49(Top 33%)
8M8.00 mi2.00 mi1537+1051333+8650+51346(Top 19%)1165(Top 23%)49(Top 33%)
9.6M9.60 mi1.60 mi1461+761270+6351-11265(Top 18%)1112(Top 22%)49(Top 33%)
10M10.00 mi0.40 mi1427+341240+3050+1890(Top 12%)793(Top 16%)34(Top 23%)
10.5M10.50 mi0.50 mi1396+311215+2551-11124(Top 16%)989(Top 20%)43(Top 29%)
12M12.00 mi1.50 mi1327+691157+5850+1999(Top 14%)883(Top 17%)42(Top 28%)
14M14.00 mi2.00 mi1248+791099+5848+2932(Top 13%)826(Top 16%)32(Top 21%)
16M16.00 mi2.00 mi1106+142976+12340+8579(Top 8%)515(Top 10%)21(Top 14%)
18M18.00 mi2.00 mi1093+13964+1238+21516(Top 21%)1276(Top 25%)51(Top 34%)
20M20.00 mi2.00 mi1097-4962+2381393(Top 19%)1168(Top 23%)51(Top 34%)
22M22.00 mi2.00 mi1167-701009-4743-52217(Top 31%)1755(Top 35%)60(Top 40%)
24M24.00 mi2.00 mi1152+15992+17431283(Top 18%)1027(Top 20%)45(Top 30%)
Finish26.22 mi2.22 mi1141+11979+13431343(Top 19%)1075(Top 21%)50(Top 33%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 14%
×1human
+6ft-11ft

Overall

999

Males

883

M15-19

43

2M→4M

2.0 - 4.0 mi

Top 19%
×4stories
+75ft-70ft

Overall

1363

Males

1186

M15-19

49

4M→6M

4.0 - 6.0 mi

Top 18%
×5stories
+71ft-18ft

Overall

1278

Males

1108

M15-19

49

6M→8M

6.0 - 8.0 mi

Top 19%
×9stories
+106ft-21ft

Overall

1346

Males

1165

M15-19

49

8M→9.6M

8.0 - 9.6 mi

Top 18%
×13stories
+117ft-177ft

Overall

1265

Males

1112

M15-19

49

9.6M→10M

9.6 - 10.0 mi

Top 12%
×1story
+17ft-12ft

Overall

890

Males

793

M15-19

34

10M→10.5M

10.0 - 10.5 mi

Top 16%
×9stories
+0ft-102ft

Overall

1124

Males

989

M15-19

43

10.5M→12M

10.5 - 12.0 mi

Top 14%
×18stories
+304ft-125ft

Overall

999

Males

883

M15-19

43

12M→14M

12.0 - 14.0 mi

Top 13%
×9stories
+99ft-125ft

Overall

932

Males

826

M15-19

32

14M→16M

14.0 - 16.0 mi

Top 8%
×9stories
+124ft-78ft

Overall

579

Males

515

M15-19

21

16M→18M

16.0 - 18.0 mi

Top 21%
×8stories
+106ft-45ft

Overall

1516

Males

1276

M15-19

52

18M→20M

18.0 - 20.0 mi

Top 19%
×3stories
+52ft-26ft

Overall

1393

Males

1168

M15-19

51

20M→22M

20.0 - 22.0 mi

Top 31%
×21stories
+17ft-266ft

Overall

2217

Males

1755

M15-19

59

22M→24M

22.0 - 24.0 mi

Top 18%
×3stories
+70ft-85ft

Overall

1283

Males

1027

M15-19

45

24M→Finish

24.0 - 26.2 mi

Top 19%
~flat
+2ft-2ft

Overall

1343

Males

1075

M15-19

49

Passing Analysis

Category:
Athletes Passed
1801*
Passed By
294
Net Change
+1507
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2648
2M → 4M771*4+767#2648#1881
4M → 6M2434+239#1881#1642
6M → 8M115*10+105#1642#1537
8M → 9.6M8711+76#1537#1461
9.6M → 10M340+34#1461#1427
10M → 10.5M376+31#1427#1396
10.5M → 12M723+69#1396#1327
12M → 14M85*6+79#1327#1248
14M → 16M144*2+142#1248#1106
16M → 18M7259+13#1106#1093
18M → 20M28*32-4#1093#1097
20M → 22M22*92-70#1097#1167
22M → 24M47*32+15#1167#1152
24M → Finish44*33+11#1152#1141
TOTALS1801*294+1507

* 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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