San Francisco Marathon logo
SF MARATHON 2026

Siyuan Pei

Bib: 3034•M•Age: 39

Harrison, NJ

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 7166
Top 39%
Gender (Male)
#0 / 5052
Top 44%
Division (M35-39)
#0 / 717
Top 43%
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
17:41
Rank: #1921
Start → 2M
17:41 | 8:50/mi
4M
36:03
Rank: #2246 (-325)
2M → 4M
18:22 | 9:11/mi
6M
54:16
Rank: #2299 (-53)
4M → 6M
18:13 | 9:06/mi
8M
1:11:51
Rank: #2209 (+90)
6M → 8M
17:35 | 8:47/mi
9.6M
1:27:07
Rank: #2263 (-54)
8M → 9.6M
15:16 | 9:32/mi
10M
1:29:38
Rank: #2251 (+12)
9.6M → 10M
2:31 | 6:18/mi
10.5M
1:35:39
Rank: #2248 (+3)
10M → 10.5M
6:01 | 12:02/mi
12M
1:48:17
Rank: #2187 (+61)
10.5M → 12M
12:38 | 8:25/mi
14M
2:08:27
Rank: #2289 (-102)
12M → 14M
20:10 | 10:05/mi
16M
2:27:25
Rank: #2531 (-242)
14M → 16M
18:58 | 9:29/mi
18M
2:46:22
Rank: #2386 (+145)
16M → 18M
18:57 | 9:29/mi
20M
3:07:53
Rank: #2475 (-89)
18M → 20M
21:31 | 10:45/mi
22M
3:29:46
Rank: #2623 (-148)
20M → 22M
21:53 | 10:56/mi
24M
3:54:34
Rank: #2744 (-121)
22M → 24M
24:48 | 12:24/mi
Finish· 26.22 mi
4:18:49
Rank: #2769 (-25)
24M → Finish
24:15 | 10:56/mi

Course Map & Elevation

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via 14MFaster
Distance14.00 mi
Time2:08:27
Pace9:10 /mi
2nd Half
Distance12.22 mi
Time2:10:22
Pace10:40 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:36:4317:418:5017:41
8:50
-
4M
4.00 mi05:55:0536:039:0118:22
9:11
+0:21
6M
6.00 mi06:13:1854:169:0318:13
9:06
-0:05
8M
8.00 mi06:30:531:11:518:5917:35
8:47
-0:19
9.6M
9.60 mi06:46:091:27:079:0415:16
9:32
+0:45
10M
10.00 mi06:48:401:29:388:582:31
6:18
-3:14
10.5M
10.50 mi06:54:411:35:399:076:01
12:02
+5:44
12M
12.00 mi07:07:191:48:179:0112:38
8:25
-3:37
14M
14.00 mi07:27:292:08:279:1020:10
10:05
+1:40
16M
16.00 mi07:46:272:27:259:1318:58
9:29
-0:36
18M
18.00 mi08:05:242:46:229:1518:57
9:29
0:00
20M
20.00 mi08:26:553:07:539:2421:31
10:45
+1:16
22M
22.00 mi08:48:483:29:469:3221:53
10:56
+0:11
24M
24.00 mi09:13:363:54:349:4624:48
12:24
+1:28
Finish
26.22 mi09:37:514:18:499:5324:15
10:56
-1:28

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

6:18 /mi

Average Pace

9:53 /mi

Slowest Pace

12:24 /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

15:09

6% of race

Time at Steady Pace

2:25:12

56% of race

Time at Slower Pace

1:38:28

38% of race

Average Pace: 9:52 /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 mi05:36:4317:418:5017:41
8:50
#1921
4M
4.00 mi05:55:0536:039:0118:22
9:11
#2246
6M
6.00 mi06:13:1854:169:0318:13
9:06
#2299
8M
8.00 mi06:30:531:11:518:5917:35
8:47
#2209
9.6M
9.60 mi06:46:091:27:079:0415:16
9:32
#2263
10M
10.00 mi06:48:401:29:388:582:31
6:18
#2251
10.5M
10.50 mi06:54:411:35:399:076:01
12:02
#2248
12M
12.00 mi07:07:191:48:179:0112:38
8:25
#2187
14M
14.00 mi07:27:292:08:279:1020:10
10:05
#2289
16M
16.00 mi07:46:272:27:259:1318:58
9:29
#2531
18M
18.00 mi08:05:242:46:229:1518:57
9:29
#2386
20M
20.00 mi08:26:553:07:539:2421:31
10:45
#2475
22M
22.00 mi08:48:483:29:469:3221:53
10:56
#2623
24M
24.00 mi09:13:363:54:349:4624:48
12:24
#2744
Finish
26.22 mi09:37:514:18:499:5324:15
10:56
#2769
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 32%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:32

Segment Time

9:29/mi

Pace

0.90 mi

Distance

Overall

2262

Men

1914

Division

260

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi192116502291959(Top 27%)1651(Top 33%)217(Top 30%)
4M4.00 mi2.00 mi2246-3251890-240263-342634(Top 37%)2186(Top 43%)292(Top 41%)
6M6.00 mi2.00 mi2299-531936-46266-32450(Top 34%)2051(Top 41%)278(Top 39%)
8M8.00 mi2.00 mi2209+901872+64259+72085(Top 29%)1760(Top 35%)237(Top 33%)
9.6M9.60 mi1.60 mi2263-541915-43262-32538(Top 35%)2122(Top 42%)278(Top 39%)
10M10.00 mi0.40 mi2251+121905+10259+32395(Top 33%)2004(Top 40%)268(Top 37%)
10.5M10.50 mi0.50 mi2248+31898+7255+42320(Top 32%)1943(Top 38%)263(Top 37%)
12M12.00 mi1.50 mi2187+611854+44248+71959(Top 27%)1651(Top 33%)217(Top 30%)
14M14.00 mi2.00 mi2289-1021923-69253-52790(Top 39%)2292(Top 45%)306(Top 43%)
16M16.00 mi2.00 mi2531-2422096-173281-284083(Top 57%)3111(Top 62%)444(Top 62%)
18M18.00 mi2.00 mi2386+1451987+109265+161697(Top 24%)1410(Top 28%)189(Top 26%)
20M20.00 mi2.00 mi2475-892043-56272-73430(Top 48%)2620(Top 52%)377(Top 53%)
22M22.00 mi2.00 mi2623-1482146-103289-174201(Top 59%)3052(Top 60%)438(Top 61%)
24M24.00 mi2.00 mi2744-1212215-69302-134252(Top 59%)3078(Top 61%)447(Top 62%)
Finish26.22 mi2.22 mi2769-252218-3306-43389(Top 47%)2480(Top 49%)352(Top 49%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 27%
×1human
+6ft-11ft

Overall

1959

Males

1651

M35-39

218

2M→4M

2.0 - 4.0 mi

Top 37%
×4stories
+75ft-70ft

Overall

2634

Males

2186

M35-39

295

4M→6M

4.0 - 6.0 mi

Top 34%
×5stories
+71ft-18ft

Overall

2450

Males

2051

M35-39

281

6M→8M

6.0 - 8.0 mi

Top 29%
×9stories
+106ft-21ft

Overall

2085

Males

1760

M35-39

238

8M→9.6M

8.0 - 9.6 mi

Top 35%
×13stories
+117ft-177ft

Overall

2538

Males

2122

M35-39

279

9.6M→10M

9.6 - 10.0 mi

Top 33%
×1story
+17ft-12ft

Overall

2395

Males

2004

M35-39

269

10M→10.5M

10.0 - 10.5 mi

Top 32%
×9stories
+0ft-102ft

Overall

2320

Males

1943

M35-39

264

10.5M→12M

10.5 - 12.0 mi

Top 27%
×18stories
+304ft-125ft

Overall

1959

Males

1651

M35-39

218

12M→14M

12.0 - 14.0 mi

Top 39%
×9stories
+99ft-125ft

Overall

2790

Males

2292

M35-39

307

14M→16M

14.0 - 16.0 mi

Top 57%
×9stories
+124ft-78ft

Overall

4083

Males

3111

M35-39

445

16M→18M

16.0 - 18.0 mi

Top 24%
×8stories
+106ft-45ft

Overall

1697

Males

1410

M35-39

189

18M→20M

18.0 - 20.0 mi

Top 48%
×3stories
+52ft-26ft

Overall

3430

Males

2620

M35-39

378

20M→22M

20.0 - 22.0 mi

Top 59%
×21stories
+17ft-266ft

Overall

4201

Males

3052

M35-39

439

22M→24M

22.0 - 24.0 mi

Top 59%
×3stories
+70ft-85ft

Overall

4252

Males

3078

M35-39

447

24M→Finish

24.0 - 26.2 mi

Top 47%
~flat
+2ft-2ft

Overall

3389

Males

2480

M35-39

352

Passing Analysis

Category:
Athletes Passed
769*
Passed By
1617
Net Change
-848
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1921
2M → 4M31356-325#1921#2246
4M → 6M62115-53#2246#2299
6M → 8M118*28+90#2299#2209
8M → 9.6M33*87-54#2209#2263
9.6M → 10M153+12#2263#2251
10M → 10.5M3431+3#2251#2248
10.5M → 12M8726+61#2248#2187
12M → 14M30*132-102#2187#2289
14M → 16M35*277-242#2289#2531
16M → 18M18338+145#2531#2386
18M → 20M29*118-89#2386#2475
20M → 22M20*168-148#2475#2623
22M → 24M34*155-121#2623#2744
24M → Finish58*83-25#2744#2769
TOTALS769*1617-848

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events