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SF MARATHON 2026

Ruifeng Luo

Bib: 4310•M•Age: 36

Foster City, CA

0:00
0:00
/ mi
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Overall
#0 / 7166
Top 45%
Gender (Male)
#0 / 5052
Top 50%
Division (M35-39)
#0 / 717
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
21:55
Rank: #5796
Start → 2M
21:55 | 10:57/mi
4M
43:17
Rank: #5445 (+351)
2M → 4M
21:22 | 10:41/mi
6M
1:04:08
Rank: #5068 (+377)
4M → 6M
20:51 | 10:25/mi
8M
1:23:46
Rank: #4780 (+288)
6M → 8M
19:38 | 9:49/mi
9.6M
1:40:00
Rank: #4429 (+351)
8M → 9.6M
16:14 | 10:09/mi
10M
1:42:45
Rank: #4404 (+25)
9.6M → 10M
2:45 | 6:53/mi
10.5M
1:49:10
Rank: #4279 (+125)
10M → 10.5M
6:25 | 12:50/mi
12M
2:03:36
Rank: #4154 (+125)
10.5M → 12M
14:26 | 9:37/mi
14M
2:25:09
Rank: #4025 (+129)
12M → 14M
21:33 | 10:46/mi
16M
2:45:07
Rank: #4121 (-96)
14M → 16M
19:58 | 9:59/mi
18M
3:05:04
Rank: #3854 (+267)
16M → 18M
19:57 | 9:59/mi
20M
3:25:20
Rank: #3682 (+172)
18M → 20M
20:16 | 10:08/mi
22M
3:43:31
Rank: #3479 (+203)
20M → 22M
18:11 | 9:05/mi
24M
4:04:36
Rank: #3331 (+148)
22M → 24M
21:05 | 10:33/mi
Finish· 26.22 mi
4:26:30
Rank: #3192 (+139)
24M → Finish
21:54 | 9:52/mi

The Course

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time2:25:09
Pace10:22 /mi
2nd Half✓ Faster
Distance12.22 mi
Time2:01:21
Pace9:56 /mi
📊Negative Split: 16.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:45:1221:5510:5721:55
10:57
-
4M
4.00 mi06:06:3443:1710:4921:22
10:41
-0:16
6M
6.00 mi06:27:251:04:0810:4120:51
10:25
-0:16
8M
8.00 mi06:47:031:23:4610:2819:38
9:49
-0:36
9.6M
9.60 mi07:03:171:40:0010:2516:14
10:09
+0:20
10M
10.00 mi07:06:021:42:4510:172:45
6:53
-3:16
10.5M
10.50 mi07:12:271:49:1010:246:25
12:50
+5:57
12M
12.00 mi07:26:532:03:3610:1814:26
9:37
-3:13
14M
14.00 mi07:48:262:25:0910:2221:33
10:46
+1:09
16M
16.00 mi08:08:242:45:0710:1919:58
9:59
-0:47
18M
18.00 mi08:28:213:05:0410:1719:57
9:59
0:00
20M
20.00 mi08:48:373:25:2010:1620:16
10:08
+0:09
22M
22.00 mi09:06:483:43:3110:1018:11
9:05
-1:03
24M
24.00 mi09:27:534:04:3610:1221:05
10:33
+1:28
Finish
26.22 mi09:49:474:26:3010:1021:54
9:52
-0:41

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

6:53 /mi

Average Pace

10:10 /mi

Slowest Pace

12:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

20:56

8% of race

Time at Steady Pace

3:15:41

73% of race

Time at Slower Pace

49:53

19% of race

Average Pace: 10:10 /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 mi05:45:1221:5510:5721:55
10:57
#5796
4M
4.00 mi06:06:3443:1710:4921:22
10:41
#5445
6M
6.00 mi06:27:251:04:0810:4120:51
10:25
#5068
8M
8.00 mi06:47:031:23:4610:2819:38
9:49
#4780
9.6M
9.60 mi07:03:171:40:0010:2516:14
10:09
#4429
10M
10.00 mi07:06:021:42:4510:172:45
6:53
#4404
10.5M
10.50 mi07:12:271:49:1010:246:25
12:50
#4279
12M
12.00 mi07:26:532:03:3610:1814:26
9:37
#4154
14M
14.00 mi07:48:262:25:0910:2221:33
10:46
#4025
16M
16.00 mi08:08:242:45:0710:1919:58
9:59
#4121
18M
18.00 mi08:28:213:05:0410:1719:57
9:59
#3854
20M
20.00 mi08:48:373:25:2010:1620:16
10:08
#3682
22M
22.00 mi09:06:483:43:3110:1018:11
9:05
#3479
24M
24.00 mi09:27:534:04:3610:1221:05
10:33
#3331
Finish
26.22 mi09:49:474:26:3010:1021:54
9:52
#3192
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 45%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:10

Segment Time

10:11/mi

Pace

0.90 mi

Distance

Overall

3212

Men

2597

Division

364

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi579642785843657(Top 51%)2901(Top 57%)400(Top 56%)
4M4.00 mi2.00 mi5445+3514046+232555+295122(Top 71%)3859(Top 76%)530(Top 74%)
6M6.00 mi2.00 mi5068+3773833+213533+224486(Top 63%)3469(Top 69%)482(Top 67%)
8M8.00 mi2.00 mi4780+2883655+178509+243862(Top 54%)3080(Top 61%)421(Top 59%)
9.6M9.60 mi1.60 mi4429+3513419+236476+333319(Top 46%)2679(Top 53%)364(Top 51%)
10M10.00 mi0.40 mi4404+253405+14473+33706(Top 52%)2956(Top 59%)413(Top 58%)
10.5M10.50 mi0.50 mi4279+1253325+80463+103182(Top 44%)2562(Top 51%)350(Top 49%)
12M12.00 mi1.50 mi4154+1253251+74450+133657(Top 51%)2901(Top 57%)400(Top 56%)
14M14.00 mi2.00 mi4025+1293159+92439+113687(Top 51%)2920(Top 58%)410(Top 57%)
16M16.00 mi2.00 mi4121-963218-59449-104635(Top 65%)3492(Top 69%)497(Top 69%)
18M18.00 mi2.00 mi3854+2673030+188418+312221(Top 31%)1815(Top 36%)254(Top 35%)
20M20.00 mi2.00 mi3682+1722897+133404+142723(Top 38%)2151(Top 43%)301(Top 42%)
22M22.00 mi2.00 mi3479+2032752+145385+192123(Top 30%)1684(Top 33%)235(Top 33%)
24M24.00 mi2.00 mi3331+1482625+127374+112362(Top 33%)1801(Top 36%)254(Top 35%)
Finish26.22 mi2.22 mi3192+1392512+113360+142140(Top 30%)1658(Top 33%)233(Top 32%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 51%
×1human
+6ft-11ft

Overall

3657

Males

2901

M35-39

402

2M→4M

2.0 - 4.0 mi

Top 71%
×4stories
+75ft-70ft

Overall

5122

Males

3859

M35-39

536

4M→6M

4.0 - 6.0 mi

Top 63%
×5stories
+71ft-18ft

Overall

4486

Males

3469

M35-39

487

6M→8M

6.0 - 8.0 mi

Top 54%
×9stories
+106ft-21ft

Overall

3862

Males

3080

M35-39

424

8M→9.6M

8.0 - 9.6 mi

Top 46%
×13stories
+117ft-177ft

Overall

3319

Males

2679

M35-39

365

9.6M→10M

9.6 - 10.0 mi

Top 52%
×1story
+17ft-12ft

Overall

3706

Males

2956

M35-39

414

10M→10.5M

10.0 - 10.5 mi

Top 44%
×9stories
+0ft-102ft

Overall

3182

Males

2562

M35-39

352

10.5M→12M

10.5 - 12.0 mi

Top 51%
×18stories
+304ft-125ft

Overall

3657

Males

2901

M35-39

402

12M→14M

12.0 - 14.0 mi

Top 51%
×9stories
+99ft-125ft

Overall

3687

Males

2920

M35-39

411

14M→16M

14.0 - 16.0 mi

Top 65%
×9stories
+124ft-78ft

Overall

4635

Males

3492

M35-39

498

16M→18M

16.0 - 18.0 mi

Top 31%
×8stories
+106ft-45ft

Overall

2221

Males

1815

M35-39

254

18M→20M

18.0 - 20.0 mi

Top 38%
×3stories
+52ft-26ft

Overall

2723

Males

2151

M35-39

302

20M→22M

20.0 - 22.0 mi

Top 30%
×21stories
+17ft-266ft

Overall

2123

Males

1684

M35-39

236

22M→24M

22.0 - 24.0 mi

Top 33%
×3stories
+70ft-85ft

Overall

2362

Males

1801

M35-39

254

24M→Finish

24.0 - 26.2 mi

Top 30%
~flat
+2ft-2ft

Overall

2140

Males

1658

M35-39

233

Passing Analysis

Category:
Athletes Passed
2881*
Passed By
277
Net Change
+2604
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5796
2M → 4M371*20+351#5796#5445
4M → 6M39114+377#5445#5068
6M → 8M290*2+288#5068#4780
8M → 9.6M352*1+351#4780#4429
9.6M → 10M283+25#4429#4404
10M → 10.5M1283+125#4404#4279
10.5M → 12M14722+125#4279#4154
12M → 14M143*14+129#4154#4025
14M → 16M61*157-96#4025#4121
16M → 18M28013+267#4121#3854
18M → 20M176*4+172#3854#3682
20M → 22M205*2+203#3682#3479
22M → 24M162*14+148#3479#3331
24M → Finish147*8+139#3331#3192
TOTALS2881*277+2604

* 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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