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SF MARATHON 2026

Preston Lo

Bib: 7303•M•Age: 24

Pleasanton, CA

0:00
0:00
/ mi
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Overall
#0 / 7166
Gender (Male)
#0 / 5052
M20-29
#0 / 648
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
22:33
Rank: #6212
Start → 2M
22:33 | 11:16/mi
4M
43:37
Rank: #5572 (+640)
2M → 4M
21:04 | 10:32/mi
6M
1:04:43
Rank: #5217 (+355)
4M → 6M
21:06 | 10:33/mi
8M
1:25:09
Rank: #5020 (+197)
6M → 8M
20:26 | 10:13/mi
9.6M
1:42:29
Rank: #4821 (+199)
8M → 9.6M
17:20 | 10:50/mi
10M
1:45:24
Rank: #4812 (+9)
9.6M → 10M
2:55 | 7:18/mi
10.5M
1:52:43
Rank: #4796 (+16)
10M → 10.5M
7:19 | 14:38/mi
12M
2:09:25
Rank: #4875 (-79)
10.5M → 12M
16:42 | 11:08/mi
14M
2:32:53
Rank: #4836 (+39)
12M → 14M
23:28 | 11:44/mi
16M
2:55:06
Rank: #4982 (-146)
14M → 16M
22:13 | 11:07/mi
18M
3:17:19
Rank: #4754 (+228)
16M → 18M
22:13 | 11:07/mi
20M
3:42:07
Rank: #4825 (-71)
18M → 20M
24:48 | 12:24/mi
22M
4:08:36
Rank: #5040 (-215)
20M → 22M
26:29 | 13:14/mi
24M
4:36:32
Rank: #5140 (-100)
22M → 24M
27:56 | 13:58/mi
Finish· 26.22 mi
4:58:52
Rank: #4885 (+255)
24M → Finish
22:20 | 10:04/mi

The Course

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time2:32:53
Pace10:55 /mi
2nd Half✓ Faster
Distance12.22 mi
Time2:25:59
Pace11:57 /mi
📊Negative Split: 4.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:59:4222:3311:1622:33
11:16
-
4M
4.00 mi06:20:4643:3710:5421:04
10:32
-0:44
6M
6.00 mi06:41:521:04:4310:4721:06
10:33
+0:01
8M
8.00 mi07:02:181:25:0910:3920:26
10:13
-0:20
9.6M
9.60 mi07:19:381:42:2910:4117:20
10:50
+0:37
10M
10.00 mi07:22:331:45:2410:322:55
7:18
-3:32
10.5M
10.50 mi07:29:521:52:4310:447:19
14:38
+7:20
12M
12.00 mi07:46:342:09:2510:4716:42
11:08
-3:30
14M
14.00 mi08:10:022:32:5310:5523:28
11:44
+0:36
16M
16.00 mi08:32:152:55:0610:5722:13
11:07
-0:37
18M
18.00 mi08:54:283:17:1910:5822:13
11:07
0:00
20M
20.00 mi09:19:163:42:0711:0624:48
12:24
+1:17
22M
22.00 mi09:45:454:08:3611:1826:29
13:14
+0:50
24M
24.00 mi10:13:414:36:3211:3127:56
13:58
+0:44
Finish
26.22 mi10:36:014:58:5211:2422:20
10:04
-3:54

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

7:18 /mi

Average Pace

11:24 /mi

Slowest Pace

14:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

45:41

15% of race

Time at Steady Pace

2:46:39

56% of race

Time at Slower Pace

1:26:32

29% of race

Average Pace: 11:24 /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 mi05:59:4222:3311:1622:33
11:16
#6212
4M
4.00 mi06:20:4643:3710:5421:04
10:32
#5572
6M
6.00 mi06:41:521:04:4310:4721:06
10:33
#5217
8M
8.00 mi07:02:181:25:0910:3920:26
10:13
#5020
9.6M
9.60 mi07:19:381:42:2910:4117:20
10:50
#4821
10M
10.00 mi07:22:331:45:2410:322:55
7:18
#4812
10.5M
10.50 mi07:29:521:52:4310:447:19
14:38
#4796
12M
12.00 mi07:46:342:09:2510:4716:42
11:08
#4875
14M
14.00 mi08:10:022:32:5310:5523:28
11:44
#4836
16M
16.00 mi08:32:152:55:0610:5722:13
11:07
#4982
18M
18.00 mi08:54:283:17:1910:5822:13
11:07
#4754
20M
20.00 mi09:19:163:42:0711:0624:48
12:24
#4825
22M
22.00 mi09:45:454:08:3611:1826:29
13:14
#5040
24M
24.00 mi10:13:414:36:3211:3127:56
13:58
#5140
Finish
26.22 mi10:36:014:58:5211:2422:20
10:04
#4885
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 65%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:14

Segment Time

11:22/mi

Pace

0.90 mi

Distance

Overall

4678

Men

3546

Division

502

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi2.00 mi621245205955298(Top 74%)3939(Top 78%)548(Top 85%)
4M4.00 mi2.00 mi5572+6404124+396560+354914(Top 69%)3737(Top 74%)511(Top 79%)
6M6.00 mi2.00 mi5217+3553923+201537+234685(Top 65%)3588(Top 71%)507(Top 78%)
8M8.00 mi2.00 mi5020+1973810+113529+84549(Top 63%)3512(Top 70%)498(Top 77%)
9.6M9.60 mi1.60 mi4821+1993680+130519+104207(Top 59%)3263(Top 65%)461(Top 71%)
10M10.00 mi0.40 mi4812+93674+6517+24644(Top 65%)3544(Top 70%)495(Top 76%)
10.5M10.50 mi0.50 mi4796+163660+14514+34837(Top 67%)3631(Top 72%)498(Top 77%)
12M12.00 mi1.50 mi4875-793701-415145298(Top 74%)3939(Top 78%)548(Top 85%)
14M14.00 mi2.00 mi4836+393664+37512+24826(Top 67%)3642(Top 72%)502(Top 77%)
16M16.00 mi2.00 mi4982-1463762-98516-45604(Top 78%)4091(Top 81%)534(Top 82%)
18M18.00 mi2.00 mi4754+2283602+160500+163555(Top 50%)2727(Top 54%)379(Top 58%)
20M20.00 mi2.00 mi4825-713632-30502-25206(Top 73%)3769(Top 75%)495(Top 76%)
22M22.00 mi2.00 mi5040-2153747-115519-176172(Top 86%)4371(Top 87%)579(Top 89%)
24M24.00 mi2.00 mi5140-1003800-53520-15574(Top 78%)3957(Top 78%)519(Top 80%)
Finish26.22 mi2.22 mi4885+2553630+170496+242377(Top 33%)1806(Top 36%)252(Top 39%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 74%
×1human
+6ft-11ft

Overall

5298

Males

3939

M20-24

553

2M→4M

2.0 - 4.0 mi

Top 69%
×4stories
+75ft-70ft

Overall

4914

Males

3737

M20-24

519

4M→6M

4.0 - 6.0 mi

Top 65%
×5stories
+71ft-18ft

Overall

4685

Males

3588

M20-24

517

6M→8M

6.0 - 8.0 mi

Top 63%
×9stories
+106ft-21ft

Overall

4549

Males

3512

M20-24

506

8M→9.6M

8.0 - 9.6 mi

Top 59%
×13stories
+117ft-177ft

Overall

4207

Males

3263

M20-24

468

9.6M→10M

9.6 - 10.0 mi

Top 65%
×1story
+17ft-12ft

Overall

4644

Males

3544

M20-24

502

10M→10.5M

10.0 - 10.5 mi

Top 67%
×9stories
+0ft-102ft

Overall

4837

Males

3631

M20-24

504

10.5M→12M

10.5 - 12.0 mi

Top 74%
×18stories
+304ft-125ft

Overall

5298

Males

3939

M20-24

553

12M→14M

12.0 - 14.0 mi

Top 67%
×9stories
+99ft-125ft

Overall

4826

Males

3642

M20-24

504

14M→16M

14.0 - 16.0 mi

Top 78%
×9stories
+124ft-78ft

Overall

5604

Males

4091

M20-24

536

16M→18M

16.0 - 18.0 mi

Top 50%
×8stories
+106ft-45ft

Overall

3555

Males

2727

M20-24

381

18M→20M

18.0 - 20.0 mi

Top 73%
×3stories
+52ft-26ft

Overall

5206

Males

3769

M20-24

496

20M→22M

20.0 - 22.0 mi

Top 86%
×21stories
+17ft-266ft

Overall

6172

Males

4371

M20-24

580

22M→24M

22.0 - 24.0 mi

Top 78%
×3stories
+70ft-85ft

Overall

5574

Males

3957

M20-24

520

24M→Finish

24.0 - 26.2 mi

Top 33%
~flat
+2ft-2ft

Overall

2377

Males

1806

M20-24

252

Passing Analysis

Category:
Athletes Passed
2276*
Passed By
949
Net Change
+1327
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#6212
2M → 4M644*4+640#6212#5572
4M → 6M37116+355#5572#5217
6M → 8M214*17+197#5217#5020
8M → 9.6M211*12+199#5020#4821
9.6M → 10M189+9#4821#4812
10M → 10.5M5034+16#4812#4796
10.5M → 12M51130-79#4796#4875
12M → 14M90*51+39#4875#4836
14M → 16M45*191-146#4836#4982
16M → 18M24315+228#4982#4754
18M → 20M44*115-71#4754#4825
20M → 22M16*231-215#4825#5040
22M → 24M22*122-100#5040#5140
24M → Finish257*2+255#5140#4885
TOTALS2276*949+1327

* 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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