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SF MARATHON 2026

Justin Kerstetter

Bib: 1780•M•Age: 29

Albuquerque, NM

0:00
0:00
/ mi
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Overall
#0 / 7166
Top 10%
Gender (Male)
#0 / 5052
Top 12%
Division (M25-29)
#0 / 1176
Top 15%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
15:42
Rank: #653
Start → 2M
15:42 | 7:51/mi
4M
31:18
Rank: #573 (+80)
2M → 4M
15:36 | 7:48/mi
6M
47:42
Rank: #697 (-124)
4M → 6M
16:24 | 8:12/mi
8M
1:02:58
Rank: #666 (+31)
6M → 8M
15:16 | 7:38/mi
9.6M
1:18:07
Rank: #834 (-168)
8M → 9.6M
15:09 | 9:28/mi
10M
1:20:23
Rank: #836 (-2)
9.6M → 10M
2:16 | 5:40/mi
10.5M
1:25:49
Rank: #837 (-1)
10M → 10.5M
5:26 | 10:52/mi
12M
1:37:00
Rank: #797 (+40)
10.5M → 12M
11:11 | 7:27/mi
14M
1:54:22
Rank: #810 (-13)
12M → 14M
17:22 | 8:41/mi
16M
2:09:50
Rank: #846 (-36)
14M → 16M
15:28 | 7:44/mi
18M
2:25:18
Rank: #743 (+103)
16M → 18M
15:28 | 7:44/mi
20M
2:41:43
Rank: #728 (+15)
18M → 20M
16:25 | 8:12/mi
22M
2:57:47
Rank: #704 (+24)
20M → 22M
16:04 | 8:02/mi
24M
3:15:43
Rank: #694 (+10)
22M → 24M
17:56 | 8:58/mi
Finish· 26.22 mi
3:35:59
Rank: #706 (-12)
24M → Finish
20:16 | 9:08/mi

The Course

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time1:54:22
Pace8:10 /mi
2nd Half✓ Faster
Distance12.22 mi
Time1:41:37
Pace8:19 /mi
📊Negative Split: 11.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:32:2115:427:5115:42
7:51
-
4M
4.00 mi05:47:5731:187:5015:36
7:48
-0:03
6M
6.00 mi06:04:2147:427:5716:24
8:12
+0:24
8M
8.00 mi06:19:371:02:587:5215:16
7:38
-0:34
9.6M
9.60 mi06:34:461:18:078:0815:09
9:28
+1:50
10M
10.00 mi06:37:021:20:238:022:16
5:40
-3:48
10.5M
10.50 mi06:42:281:25:498:105:26
10:52
+5:12
12M
12.00 mi06:53:391:37:008:0511:11
7:27
-3:25
14M
14.00 mi07:11:011:54:228:1017:22
8:41
+1:14
16M
16.00 mi07:26:292:09:508:0715:28
7:44
-0:57
18M
18.00 mi07:41:572:25:188:0415:28
7:44
0:00
20M
20.00 mi07:58:222:41:438:0516:25
8:12
+0:28
22M
22.00 mi08:14:262:57:478:0516:04
8:02
-0:10
24M
24.00 mi08:32:223:15:438:0917:56
8:58
+0:56
Finish
26.22 mi08:52:383:35:598:1520:16
9:08
+0:10

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

8:15 /mi

Slowest Pace

10:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

13:27

6% of race

Time at Steady Pace

2:06:23

59% of race

Time at Slower Pace

1:16:09

35% of race

Average Pace: 8:14 /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 mi05:32:2115:427:5115:42
7:51
#653
4M
4.00 mi05:47:5731:187:5015:36
7:48
#573
6M
6.00 mi06:04:2147:427:5716:24
8:12
#697
8M
8.00 mi06:19:371:02:587:5215:16
7:38
#666
9.6M
9.60 mi06:34:461:18:078:0815:09
9:28
#834
10M
10.00 mi06:37:021:20:238:022:16
5:40
#836
10.5M
10.50 mi06:42:281:25:498:105:26
10:52
#837
12M
12.00 mi06:53:391:37:008:0511:11
7:27
#797
14M
14.00 mi07:11:011:54:228:1017:22
8:41
#810
16M
16.00 mi07:26:292:09:508:0715:28
7:44
#846
18M
18.00 mi07:41:572:25:188:0415:28
7:44
#743
20M
20.00 mi07:58:222:41:438:0516:25
8:12
#728
22M
22.00 mi08:14:262:57:478:0516:04
8:02
#704
24M
24.00 mi08:32:223:15:438:0917:56
8:58
#694
Finish
26.22 mi08:52:383:35:598:1520:16
9:08
#706
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
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

972

Men

867

Division

219

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi653589139614(Top 9%)561(Top 11%)156(Top 13%)
4M4.00 mi2.00 mi573+80516+73129+10543(Top 8%)493(Top 10%)123(Top 10%)
6M6.00 mi2.00 mi697-124625-109153-24941(Top 13%)842(Top 17%)207(Top 18%)
8M8.00 mi2.00 mi666+31598+27144+9530(Top 7%)481(Top 10%)125(Top 11%)
9.6M9.60 mi1.60 mi834-168745-147187-432415(Top 34%)2038(Top 40%)517(Top 44%)
10M10.00 mi0.40 mi836-2747-21871003(Top 14%)891(Top 18%)233(Top 20%)
10.5M10.50 mi0.50 mi837-1747189-21052(Top 15%)931(Top 18%)227(Top 19%)
12M12.00 mi1.50 mi797+40710+37184+5614(Top 9%)561(Top 11%)156(Top 13%)
14M14.00 mi2.00 mi810-13722-12187-3870(Top 12%)772(Top 15%)210(Top 18%)
16M16.00 mi2.00 mi846-36756-34198-111873(Top 26%)1537(Top 30%)386(Top 33%)
18M18.00 mi2.00 mi743+103666+90181+17280(Top 4%)255(Top 5%)71(Top 6%)
20M20.00 mi2.00 mi728+15650+16174+7668(Top 9%)593(Top 12%)170(Top 14%)
22M22.00 mi2.00 mi704+24630+20170+4887(Top 12%)757(Top 15%)210(Top 18%)
24M24.00 mi2.00 mi694+10619+11169+1781(Top 11%)655(Top 13%)186(Top 16%)
Finish26.22 mi2.22 mi706-12623-4172-31254(Top 17%)1011(Top 20%)270(Top 23%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 9%
×1human
+6ft-11ft

Overall

614

Males

561

M25-29

156

2M→4M

2.0 - 4.0 mi

Top 8%
×4stories
+75ft-70ft

Overall

543

Males

493

M25-29

125

4M→6M

4.0 - 6.0 mi

Top 13%
×5stories
+71ft-18ft

Overall

941

Males

842

M25-29

210

6M→8M

6.0 - 8.0 mi

Top 7%
×9stories
+106ft-21ft

Overall

530

Males

481

M25-29

126

8M→9.6M

8.0 - 9.6 mi

Top 34%
×13stories
+117ft-177ft

Overall

2415

Males

2038

M25-29

519

9.6M→10M

9.6 - 10.0 mi

Top 14%
×1story
+17ft-12ft

Overall

1003

Males

891

M25-29

235

10M→10.5M

10.0 - 10.5 mi

Top 15%
×9stories
+0ft-102ft

Overall

1052

Males

931

M25-29

229

10.5M→12M

10.5 - 12.0 mi

Top 9%
×18stories
+304ft-125ft

Overall

614

Males

561

M25-29

156

12M→14M

12.0 - 14.0 mi

Top 12%
×9stories
+99ft-125ft

Overall

870

Males

772

M25-29

210

14M→16M

14.0 - 16.0 mi

Top 26%
×9stories
+124ft-78ft

Overall

1873

Males

1537

M25-29

386

16M→18M

16.0 - 18.0 mi

Top 4%
×8stories
+106ft-45ft

Overall

280

Males

255

M25-29

71

18M→20M

18.0 - 20.0 mi

Top 9%
×3stories
+52ft-26ft

Overall

668

Males

593

M25-29

170

20M→22M

20.0 - 22.0 mi

Top 12%
×21stories
+17ft-266ft

Overall

887

Males

757

M25-29

210

22M→24M

22.0 - 24.0 mi

Top 11%
×3stories
+70ft-85ft

Overall

781

Males

655

M25-29

186

24M→Finish

24.0 - 26.2 mi

Top 17%
~flat
+2ft-2ft

Overall

1254

Males

1011

M25-29

270

Passing Analysis

Category:
Athletes Passed
437*
Passed By
490
Net Change
-53
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#653
2M → 4M9010+80#653#573
4M → 6M7131-124#573#697
6M → 8M35*4+31#697#666
8M → 9.6M0168-168#666#834
9.6M → 10M35-2#834#836
10M → 10.5M910-1#836#837
10.5M → 12M433+40#837#797
12M → 14M12*25-13#797#810
14M → 16M2460-36#810#846
16M → 18M1074+103#846#743
18M → 20M27*12+15#743#728
20M → 22M38*14+24#728#704
22M → 24M2414+10#704#694
24M → Finish18*30-12#694#706
TOTALS437*490-53

* 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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