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SF MARATHON 2026

Jasper Nelson

Bib: 4371•M•Age: 26

Brooklyn, NY

0:00
0:00
/ mi
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Overall
#0 / 7166
Top 28%
Gender (Male)
#0 / 5052
Top 33%
Division (M25-29)
#0 / 1176
Top 36%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
17:20
Rank: #1654
Start → 2M
17:20 | 8:40/mi
4M
35:14
Rank: #1834 (-180)
2M → 4M
17:54 | 8:57/mi
6M
54:43
Rank: #2447 (-613)
4M → 6M
19:29 | 9:44/mi
8M
1:12:47
Rank: #2466 (-19)
6M → 8M
18:04 | 9:02/mi
9.6M
1:29:15
Rank: #2722 (-256)
8M → 9.6M
16:28 | 10:17/mi
10M
1:32:12
Rank: #2777 (-55)
9.6M → 10M
2:57 | 7:23/mi
10.5M
1:38:12
Rank: #2724 (+53)
10M → 10.5M
6:00 | 12:00/mi
12M
1:51:36
Rank: #2691 (+33)
10.5M → 12M
13:24 | 8:56/mi
14M
2:11:06
Rank: #2620 (+71)
12M → 14M
19:30 | 9:45/mi
16M
2:29:19
Rank: #2714 (-94)
14M → 16M
18:13 | 9:06/mi
18M
2:47:31
Rank: #2488 (+226)
16M → 18M
18:12 | 9:06/mi
20M
3:08:01
Rank: #2487 (+1)
18M → 20M
20:30 | 10:15/mi
22M
3:23:41
Rank: #2243 (+244)
20M → 22M
15:40 | 7:50/mi
24M
3:42:22
Rank: #2090 (+153)
22M → 24M
18:41 | 9:21/mi
Finish· 26.22 mi
4:02:29
Rank: #1988 (+102)
24M → Finish
20:07 | 9:04/mi

The Course

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time2:11:06
Pace9:22 /mi
2nd Half✓ Faster
Distance12.22 mi
Time1:51:23
Pace9:07 /mi
📊Negative Split: 15.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:48:3517:208:4017:20
8:40
-
4M
4.00 mi06:06:2935:148:4917:54
8:57
+0:17
6M
6.00 mi06:25:5854:439:0719:29
9:44
+0:47
8M
8.00 mi06:44:021:12:479:0618:04
9:02
-0:42
9.6M
9.60 mi07:00:301:29:159:1816:28
10:17
+1:15
10M
10.00 mi07:03:271:32:129:132:57
7:23
-2:54
10.5M
10.50 mi07:09:271:38:129:216:00
12:00
+4:37
12M
12.00 mi07:22:511:51:369:1813:24
8:56
-3:04
14M
14.00 mi07:42:212:11:069:2219:30
9:45
+0:49
16M
16.00 mi08:00:342:29:199:2018:13
9:06
-0:39
18M
18.00 mi08:18:462:47:319:1818:12
9:06
0:00
20M
20.00 mi08:39:163:08:019:2420:30
10:15
+1:09
22M
22.00 mi08:54:563:23:419:1515:40
7:50
-2:25
24M
24.00 mi09:13:373:42:229:1618:41
9:21
+1:31
Finish
26.22 mi09:33:444:02:299:1520:07
9:04
-0:17

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

7:23 /mi

Average Pace

9:15 /mi

Slowest Pace

12:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

18:37

8% of race

Time at Steady Pace

2:21:55

59% of race

Time at Slower Pace

1:21:57

34% of race

Average Pace: 9:15 /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 mi05:48:3517:208:4017:20
8:40
#1654
4M
4.00 mi06:06:2935:148:4917:54
8:57
#1834
6M
6.00 mi06:25:5854:439:0719:29
9:44
#2447
8M
8.00 mi06:44:021:12:479:0618:04
9:02
#2466
9.6M
9.60 mi07:00:301:29:159:1816:28
10:17
#2722
10M
10.00 mi07:03:271:32:129:132:57
7:23
#2777
10.5M
10.50 mi07:09:271:38:129:216:00
12:00
#2724
12M
12.00 mi07:22:511:51:369:1813:24
8:56
#2691
14M
14.00 mi07:42:212:11:069:2219:30
9:45
#2620
16M
16.00 mi08:00:342:29:199:2018:13
9:06
#2714
18M
18.00 mi08:18:462:47:319:1818:12
9:06
#2488
20M
20.00 mi08:39:163:08:019:2420:30
10:15
#2487
22M
22.00 mi08:54:563:23:419:1515:40
7:50
#2243
24M
24.00 mi09:13:373:42:229:1618:41
9:21
#2090
Finish
26.22 mi09:33:444:02:299:1520:07
9:04
#1988
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 40%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:57

Segment Time

9:57/mi

Pace

0.90 mi

Distance

Overall

2887

Men

2374

Division

594

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi165414303422742(Top 38%)2265(Top 45%)582(Top 49%)
4M4.00 mi2.00 mi1834-1801574-144381-392115(Top 30%)1783(Top 35%)414(Top 35%)
6M6.00 mi2.00 mi2447-6132047-473487-1063456(Top 48%)2800(Top 55%)690(Top 59%)
8M8.00 mi2.00 mi2466-192062-15504-172577(Top 36%)2155(Top 43%)542(Top 46%)
9.6M9.60 mi1.60 mi2722-2562254-192561-573489(Top 49%)2799(Top 55%)695(Top 59%)
10M10.00 mi0.40 mi2777-552294-40566-54743(Top 66%)3607(Top 71%)867(Top 74%)
10.5M10.50 mi0.50 mi2724+532252+42557+92260(Top 32%)1896(Top 38%)469(Top 40%)
12M12.00 mi1.50 mi2691+332231+21555+22742(Top 38%)2265(Top 45%)582(Top 49%)
14M14.00 mi2.00 mi2620+712172+59545+102340(Top 33%)1956(Top 39%)486(Top 41%)
16M16.00 mi2.00 mi2714-942245-73561-163613(Top 50%)2788(Top 55%)701(Top 60%)
18M18.00 mi2.00 mi2488+2262061+184505+561320(Top 18%)1114(Top 22%)293(Top 25%)
20M20.00 mi2.00 mi2487+12054+7502+32857(Top 40%)2237(Top 44%)552(Top 47%)
22M22.00 mi2.00 mi2243+2441857+197463+39711(Top 10%)614(Top 12%)177(Top 15%)
24M24.00 mi2.00 mi2090+1531732+125434+291094(Top 15%)889(Top 18%)240(Top 20%)
Finish26.22 mi2.22 mi1988+1021642+90420+141179(Top 16%)945(Top 19%)253(Top 22%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 38%
×1human
+6ft-11ft

Overall

2742

Males

2265

M25-29

584

2M→4M

2.0 - 4.0 mi

Top 30%
×4stories
+75ft-70ft

Overall

2115

Males

1783

M25-29

416

4M→6M

4.0 - 6.0 mi

Top 48%
×5stories
+71ft-18ft

Overall

3456

Males

2800

M25-29

693

6M→8M

6.0 - 8.0 mi

Top 36%
×9stories
+106ft-21ft

Overall

2577

Males

2155

M25-29

545

8M→9.6M

8.0 - 9.6 mi

Top 49%
×13stories
+117ft-177ft

Overall

3489

Males

2799

M25-29

699

9.6M→10M

9.6 - 10.0 mi

Top 66%
×1story
+17ft-12ft

Overall

4743

Males

3607

M25-29

874

10M→10.5M

10.0 - 10.5 mi

Top 32%
×9stories
+0ft-102ft

Overall

2260

Males

1896

M25-29

473

10.5M→12M

10.5 - 12.0 mi

Top 38%
×18stories
+304ft-125ft

Overall

2742

Males

2265

M25-29

584

12M→14M

12.0 - 14.0 mi

Top 33%
×9stories
+99ft-125ft

Overall

2340

Males

1956

M25-29

489

14M→16M

14.0 - 16.0 mi

Top 50%
×9stories
+124ft-78ft

Overall

3613

Males

2788

M25-29

702

16M→18M

16.0 - 18.0 mi

Top 18%
×8stories
+106ft-45ft

Overall

1320

Males

1114

M25-29

294

18M→20M

18.0 - 20.0 mi

Top 40%
×3stories
+52ft-26ft

Overall

2857

Males

2237

M25-29

553

20M→22M

20.0 - 22.0 mi

Top 10%
×21stories
+17ft-266ft

Overall

711

Males

614

M25-29

177

22M→24M

22.0 - 24.0 mi

Top 15%
×3stories
+70ft-85ft

Overall

1094

Males

889

M25-29

240

24M→Finish

24.0 - 26.2 mi

Top 16%
~flat
+2ft-2ft

Overall

1179

Males

945

M25-29

253

Passing Analysis

Category:
Athletes Passed
1202*
Passed By
1536
Net Change
-334
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1654
2M → 4M29209-180#1654#1834
4M → 6M13626-613#1834#2447
6M → 8M61*80-19#2447#2466
8M → 9.6M19*275-256#2466#2722
9.6M → 10M156-55#2722#2777
10M → 10.5M6411+53#2777#2724
10.5M → 12M6734+33#2724#2691
12M → 14M93*22+71#2691#2620
14M → 16M63*157-94#2620#2714
16M → 18M2315+226#2714#2488
18M → 20M52*51+1#2488#2487
20M → 22M244*0+244#2487#2243
22M → 24M155*2+153#2243#2090
24M → Finish110*8+102#2090#1988
TOTALS1202*1536-334

* 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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