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SF MARATHON 2026

Johnny Chen

Bib: 1497•M•Age: 26

Castro Valley, CA

0:00
0:00
/ mi
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Overall
#0 / 7166
Gender (Male)
#0 / 5052
Division (M25-29)
#0 / 1176
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
21:10
Rank: #5291
Start → 2M
21:10 | 10:35/mi
4M
42:23
Rank: #5101 (+190)
2M → 4M
21:13 | 10:37/mi
6M
1:04:05
Rank: #5056 (+45)
4M → 6M
21:42 | 10:51/mi
8M
1:26:32
Rank: #5301 (-245)
6M → 8M
22:27 | 11:13/mi
9.6M
1:46:39
Rank: #5463 (-162)
8M → 9.6M
20:07 | 12:34/mi
10M
1:49:50
Rank: #5469 (-6)
9.6M → 10M
3:11 | 7:58/mi
10.5M
1:58:02
Rank: #5520 (-51)
10M → 10.5M
8:12 | 16:24/mi
12M
2:20:46
Rank: #6043 (-523)
10.5M → 12M
22:44 | 15:09/mi
14M
2:47:38
Rank: #6086 (-43)
12M → 14M
26:52 | 13:26/mi
16M
3:15:03
Rank: #6301 (-215)
14M → 16M
27:25 | 13:42/mi
18M
3:42:27
Rank: #6275 (+26)
16M → 18M
27:24 | 13:42/mi
20M
4:09:56
Rank: #6270 (+5)
18M → 20M
27:29 | 13:44/mi
22M
4:33:21
Rank: #6170 (+100)
20M → 22M
23:25 | 11:42/mi
24M
5:01:46
Rank: #6131 (+39)
22M → 24M
28:25 | 14:13/mi
Finish· 26.22 mi
5:28:55
Rank: #6012 (+119)
24M → Finish
27:09 | 12:14/mi

Course Map & Elevation

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time2:47:38
Pace11:58 /mi
2nd Half✓ Faster
Distance12.22 mi
Time2:41:17
Pace13:12 /mi
📊Negative Split: 3.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:52:5021:1010:3521:10
10:35
-
4M
4.00 mi06:14:0342:2310:3621:13
10:37
+0:02
6M
6.00 mi06:35:451:04:0510:4121:42
10:51
+0:14
8M
8.00 mi06:58:121:26:3210:4922:27
11:13
+0:22
9.6M
9.60 mi07:18:191:46:3911:0720:07
12:34
+1:21
10M
10.00 mi07:21:301:49:5010:593:11
7:58
-4:36
10.5M
10.50 mi07:29:421:58:0211:148:12
16:24
+8:26
12M
12.00 mi07:52:262:20:4611:4422:44
15:09
-1:15
14M
14.00 mi08:19:182:47:3811:5826:52
13:26
-1:43
16M
16.00 mi08:46:433:15:0312:1127:25
13:42
+0:16
18M
18.00 mi09:14:073:42:2712:2227:24
13:42
0:00
20M
20.00 mi09:41:364:09:5612:3027:29
13:44
+0:02
22M
22.00 mi10:05:014:33:2112:2523:25
11:42
-2:02
24M
24.00 mi10:33:265:01:4612:3428:25
14:13
+2:31
Finish
26.22 mi11:00:355:28:5512:3327:09
12:14
-1:59

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

7:58 /mi

Average Pace

12:33 /mi

Slowest Pace

16:24 /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

1:29:43

27% of race

Time at Steady Pace

1:37:33

30% of race

Time at Slower Pace

2:21:39

43% of race

Average Pace: 12:33 /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 mi05:52:5021:1010:3521:10
10:35
#5291
4M
4.00 mi06:14:0342:2310:3621:13
10:37
#5101
6M
6.00 mi06:35:451:04:0510:4121:42
10:51
#5056
8M
8.00 mi06:58:121:26:3210:4922:27
11:13
#5301
9.6M
9.60 mi07:18:191:46:3911:0720:07
12:34
#5463
10M
10.00 mi07:21:301:49:5010:593:11
7:58
#5469
10.5M
10.50 mi07:29:421:58:0211:148:12
16:24
#5520
12M
12.00 mi07:52:262:20:4611:4422:44
15:09
#6043
14M
14.00 mi08:19:182:47:3811:5826:52
13:26
#6086
16M
16.00 mi08:46:433:15:0312:1127:25
13:42
#6301
18M
18.00 mi09:14:073:42:2712:2227:24
13:42
#6275
20M
20.00 mi09:41:364:09:5612:3027:29
13:44
#6270
22M
22.00 mi10:05:014:33:2112:2523:25
11:42
#6170
24M
24.00 mi10:33:265:01:4612:3428:25
14:13
#6131
Finish
26.22 mi11:00:355:28:5512:3327:09
12:14
#6012
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 82%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:23

Segment Time

12:39/mi

Pace

0.90 mi

Distance

Overall

5870

Men

4280

Division

1034

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi529139519337116(Top 99%)5031(Top 100%)1160(Top 99%)
4M4.00 mi2.00 mi5101+1903846+105916+175026(Top 70%)3799(Top 75%)915(Top 78%)
6M6.00 mi2.00 mi5056+453825+21918-25105(Top 71%)3858(Top 76%)936(Top 80%)
8M8.00 mi2.00 mi5301-2453971-146953-356040(Top 84%)4443(Top 88%)1055(Top 90%)
9.6M9.60 mi1.60 mi5463-1624075-104982-296042(Top 84%)4395(Top 87%)1051(Top 89%)
10M10.00 mi0.40 mi5469-64073+2981+15764(Top 80%)4236(Top 84%)1021(Top 87%)
10.5M10.50 mi0.50 mi5520-514107-34991-106034(Top 84%)4365(Top 86%)1042(Top 89%)
12M12.00 mi1.50 mi6043-5234421-3141049-587116(Top 99%)5031(Top 100%)1160(Top 99%)
14M14.00 mi2.00 mi6086-434438-171055-66223(Top 87%)4503(Top 89%)1079(Top 92%)
16M16.00 mi2.00 mi6301-2154563-1251087-326846(Top 96%)4849(Top 96%)1132(Top 96%)
18M18.00 mi2.00 mi6275+264542+211080+75795(Top 81%)4172(Top 83%)997(Top 85%)
20M20.00 mi2.00 mi6270+54533+91079+16214(Top 87%)4411(Top 87%)1040(Top 88%)
22M22.00 mi2.00 mi6170+1004466+671063+164986(Top 70%)3580(Top 71%)859(Top 73%)
24M24.00 mi2.00 mi6131+394430+361059+45746(Top 80%)4081(Top 81%)981(Top 83%)
Finish26.22 mi2.22 mi6012+1194348+821036+234759(Top 66%)3426(Top 68%)852(Top 72%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 99%
×1human
+6ft-11ft

Overall

7116

Males

5031

M25-29

1172

2M→4M

2.0 - 4.0 mi

Top 70%
×4stories
+75ft-70ft

Overall

5026

Males

3799

M25-29

921

4M→6M

4.0 - 6.0 mi

Top 71%
×5stories
+71ft-18ft

Overall

5105

Males

3858

M25-29

942

6M→8M

6.0 - 8.0 mi

Top 84%
×9stories
+106ft-21ft

Overall

6040

Males

4443

M25-29

1064

8M→9.6M

8.0 - 9.6 mi

Top 84%
×13stories
+117ft-177ft

Overall

6042

Males

4395

M25-29

1058

9.6M→10M

9.6 - 10.0 mi

Top 80%
×1story
+17ft-12ft

Overall

5764

Males

4236

M25-29

1030

10M→10.5M

10.0 - 10.5 mi

Top 84%
×9stories
+0ft-102ft

Overall

6034

Males

4365

M25-29

1050

10.5M→12M

10.5 - 12.0 mi

Top 99%
×18stories
+304ft-125ft

Overall

7116

Males

5031

M25-29

1172

12M→14M

12.0 - 14.0 mi

Top 87%
×9stories
+99ft-125ft

Overall

6223

Males

4503

M25-29

1083

14M→16M

14.0 - 16.0 mi

Top 96%
×9stories
+124ft-78ft

Overall

6846

Males

4849

M25-29

1136

16M→18M

16.0 - 18.0 mi

Top 81%
×8stories
+106ft-45ft

Overall

5795

Males

4172

M25-29

1000

18M→20M

18.0 - 20.0 mi

Top 87%
×3stories
+52ft-26ft

Overall

6214

Males

4411

M25-29

1042

20M→22M

20.0 - 22.0 mi

Top 70%
×21stories
+17ft-266ft

Overall

4986

Males

3580

M25-29

860

22M→24M

22.0 - 24.0 mi

Top 80%
×3stories
+70ft-85ft

Overall

5746

Males

4081

M25-29

982

24M→Finish

24.0 - 26.2 mi

Top 66%
~flat
+2ft-2ft

Overall

4759

Males

3426

M25-29

852

Passing Analysis

Category:
Athletes Passed
999*
Passed By
1720
Net Change
-721
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5291
2M → 4M265*75+190#5291#5101
4M → 6M14095+45#5101#5056
6M → 8M16*261-245#5056#5301
8M → 9.6M54*216-162#5301#5463
9.6M → 10M1824-6#5463#5469
10M → 10.5M3889-51#5469#5520
10.5M → 12M2525-523#5520#6043
12M → 14M43*86-43#6043#6086
14M → 16M13*228-215#6086#6301
16M → 18M71*45+26#6301#6275
18M → 20M49*44+5#6275#6270
20M → 22M104*4+100#6270#6170
22M → 24M63*24+39#6170#6131
24M → Finish123*4+119#6131#6012
TOTALS999*1720-721

* 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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