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SF MARATHON 2026

Josh Chestnut

Bib: 4637•M•Age: 27

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 7166
Top 22%
Gender (Male)
#0 / 5052
Top 26%
Division (M25-29)
#0 / 1176
Top 29%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
2M
17:03
Rank: #1454
Start → 2M
17:03 | 8:31/mi
4M
34:27
Rank: #1515 (-61)
2M → 4M
17:24 | 8:42/mi
6M
51:44
Rank: #1502 (+13)
4M → 6M
17:17 | 8:38/mi
8M
1:08:13
Rank: #1397 (+105)
6M → 8M
16:29 | 8:14/mi
9.6M
1:22:02
Rank: #1326 (+71)
8M → 9.6M
13:49 | 8:38/mi
10M
1:24:52
Rank: #1387 (-61)
9.6M → 10M
2:50 | 7:05/mi
10.5M
1:30:38
Rank: #1386 (+1)
10M → 10.5M
5:46 | 11:32/mi
12M
1:42:18
Rank: #1316 (+70)
10.5M → 12M
11:40 | 7:47/mi
14M
2:00:26
Rank: #1296 (+20)
12M → 14M
18:08 | 9:04/mi
16M
2:17:15
Rank: #1430 (-134)
14M → 16M
16:49 | 8:25/mi
18M
2:34:04
Rank: #1249 (+181)
16M → 18M
16:49 | 8:25/mi
20M
2:52:37
Rank: #1281 (-32)
18M → 20M
18:33 | 9:16/mi
22M
3:10:08
Rank: #1302 (-21)
20M → 22M
17:31 | 8:45/mi
24M
3:32:07
Rank: #1423 (-121)
22M → 24M
21:59 | 11:00/mi
Finish· 26.22 mi
3:56:22
Rank: #1592 (-169)
24M → Finish
24:15 | 10:56/mi

Course Map & Elevation

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time2:00:26
Pace8:36 /mi
2nd Half✓ Faster
Distance12.22 mi
Time1:55:56
Pace9:29 /mi
📊Negative Split: 3.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:36:1417:038:3117:03
8:31
-
4M
4.00 mi05:53:3834:278:3717:24
8:42
+0:11
6M
6.00 mi06:10:5551:448:3717:17
8:38
-0:04
8M
8.00 mi06:27:241:08:138:3216:29
8:14
-0:24
9.6M
9.60 mi06:41:131:22:028:3313:49
8:38
+0:24
10M
10.00 mi06:44:031:24:528:292:50
7:05
-1:33
10.5M
10.50 mi06:49:491:30:388:385:46
11:32
+4:27
12M
12.00 mi07:01:291:42:188:3211:40
7:47
-3:45
14M
14.00 mi07:19:372:00:268:3618:08
9:04
+1:17
16M
16.00 mi07:36:262:17:158:3516:49
8:25
-0:39
18M
18.00 mi07:53:152:34:048:3416:49
8:25
0:00
20M
20.00 mi08:11:482:52:378:3818:33
9:16
+0:51
22M
22.00 mi08:29:193:10:088:3917:31
8:45
-0:31
24M
24.00 mi08:51:183:32:078:5021:59
11:00
+2:15
Finish
26.22 mi09:15:333:56:229:0124:15
10:56
-0:04

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

7:05 /mi

Average Pace

9:01 /mi

Slowest Pace

11:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

14:30

6% of race

Time at Steady Pace

2:31:19

64% of race

Time at Slower Pace

1:10:33

30% of race

Average Pace: 9:01 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi05:36:1417:038:3117:03
8:31
#1454
4M
4.00 mi05:53:3834:278:3717:24
8:42
#1515
6M
6.00 mi06:10:5551:448:3717:17
8:38
#1502
8M
8.00 mi06:27:241:08:138:3216:29
8:14
#1397
9.6M
9.60 mi06:41:131:22:028:3313:49
8:38
#1326
10M
10.00 mi06:44:031:24:528:292:50
7:05
#1387
10.5M
10.50 mi06:49:491:30:388:385:46
11:32
#1386
12M
12.00 mi07:01:291:42:188:3211:40
7:47
#1316
14M
14.00 mi07:19:372:00:268:3618:08
9:04
#1296
16M
16.00 mi07:36:262:17:158:3516:49
8:25
#1430
18M
18.00 mi07:53:152:34:048:3416:49
8:25
#1249
20M
20.00 mi08:11:482:52:378:3818:33
9:16
#1281
22M
22.00 mi08:29:193:10:088:3917:31
8:45
#1302
24M
24.00 mi08:51:183:32:078:5021:59
11:00
#1423
Finish
26.22 mi09:15:333:56:229:0124:15
10:56
#1592
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 33%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:36

Segment Time

9:33/mi

Pace

0.90 mi

Distance

Overall

2358

Men

1988

Division

505

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi14541267297977(Top 14%)863(Top 17%)238(Top 20%)
4M4.00 mi2.00 mi1515-611314-47316-191639(Top 23%)1414(Top 28%)335(Top 28%)
6M6.00 mi2.00 mi1502+131303+11315+11557(Top 22%)1344(Top 27%)331(Top 28%)
8M8.00 mi2.00 mi1397+1051214+89299+161164(Top 16%)1019(Top 20%)257(Top 22%)
9.6M9.60 mi1.60 mi1326+711157+57286+131128(Top 16%)1004(Top 20%)254(Top 22%)
10M10.00 mi0.40 mi1387-611204-47295-94164(Top 58%)3248(Top 64%)786(Top 67%)
10.5M10.50 mi0.50 mi1386+11206-2294+11713(Top 24%)1478(Top 29%)372(Top 32%)
12M12.00 mi1.50 mi1316+701147+59287+7977(Top 14%)863(Top 17%)238(Top 20%)
14M14.00 mi2.00 mi1296+201138+9284+31288(Top 18%)1120(Top 22%)286(Top 24%)
16M16.00 mi2.00 mi1430-1341243-105307-232687(Top 37%)2124(Top 42%)543(Top 46%)
18M18.00 mi2.00 mi1249+1811089+154275+32693(Top 10%)601(Top 12%)172(Top 15%)
20M20.00 mi2.00 mi1281-321108-19280-51778(Top 25%)1460(Top 29%)368(Top 31%)
22M22.00 mi2.00 mi1302-211118-10286-61711(Top 24%)1389(Top 27%)353(Top 30%)
24M24.00 mi2.00 mi1423-1211205-87310-242807(Top 39%)2110(Top 42%)521(Top 44%)
Finish26.22 mi2.22 mi1592-1691328-123340-303385(Top 47%)2476(Top 49%)631(Top 54%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 14%
×1human
+6ft-11ft

Overall

977

Males

863

M25-29

239

2M→4M

2.0 - 4.0 mi

Top 23%
×4stories
+75ft-70ft

Overall

1639

Males

1414

M25-29

337

4M→6M

4.0 - 6.0 mi

Top 22%
×5stories
+71ft-18ft

Overall

1557

Males

1344

M25-29

334

6M→8M

6.0 - 8.0 mi

Top 16%
×9stories
+106ft-21ft

Overall

1164

Males

1019

M25-29

259

8M→9.6M

8.0 - 9.6 mi

Top 16%
×13stories
+117ft-177ft

Overall

1128

Males

1004

M25-29

256

9.6M→10M

9.6 - 10.0 mi

Top 58%
×1story
+17ft-12ft

Overall

4164

Males

3248

M25-29

791

10M→10.5M

10.0 - 10.5 mi

Top 24%
×9stories
+0ft-102ft

Overall

1713

Males

1478

M25-29

376

10.5M→12M

10.5 - 12.0 mi

Top 14%
×18stories
+304ft-125ft

Overall

977

Males

863

M25-29

239

12M→14M

12.0 - 14.0 mi

Top 18%
×9stories
+99ft-125ft

Overall

1288

Males

1120

M25-29

287

14M→16M

14.0 - 16.0 mi

Top 37%
×9stories
+124ft-78ft

Overall

2687

Males

2124

M25-29

543

16M→18M

16.0 - 18.0 mi

Top 10%
×8stories
+106ft-45ft

Overall

693

Males

601

M25-29

172

18M→20M

18.0 - 20.0 mi

Top 25%
×3stories
+52ft-26ft

Overall

1778

Males

1460

M25-29

369

20M→22M

20.0 - 22.0 mi

Top 24%
×21stories
+17ft-266ft

Overall

1711

Males

1389

M25-29

353

22M→24M

22.0 - 24.0 mi

Top 39%
×3stories
+70ft-85ft

Overall

2807

Males

2110

M25-29

521

24M→Finish

24.0 - 26.2 mi

Top 47%
~flat
+2ft-2ft

Overall

3385

Males

2476

M25-29

631

Passing Analysis

Category:
Athletes Passed
737*
Passed By
875
Net Change
-138
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1454
2M → 4M50111-61#1454#1515
4M → 6M5643+13#1515#1502
6M → 8M108*3+105#1502#1397
8M → 9.6M8110+71#1397#1326
9.6M → 10M162-61#1326#1387
10M → 10.5M2019+1#1387#1386
10.5M → 12M733+70#1386#1316
12M → 14M40*20+20#1316#1296
14M → 16M26*160-134#1296#1430
16M → 18M1898+181#1430#1249
18M → 20M30*62-32#1249#1281
20M → 22M33*54-21#1281#1302
22M → 24M20*141-121#1302#1423
24M → Finish10*179-169#1423#1592
TOTALS737*875-138

* 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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