San Francisco Marathon logo
SF MARATHON 2026

Justin Lam

Bib: 3593•M•Age: 28

San Francisco, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 7166
Top 16%
Gender (Male)
#0 / 5052
Top 20%
Division (M25-29)
#0 / 1176
Top 22%
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
17:25
Rank: #1696
Start → 2M
17:25 | 8:42/mi
4M
35:10
Rank: #1802 (-106)
2M → 4M
17:45 | 8:53/mi
6M
52:44
Rank: #1774 (+28)
4M → 6M
17:34 | 8:47/mi
8M
1:10:01
Rank: #1775 (-1)
6M → 8M
17:17 | 8:38/mi
9.6M
1:24:07
Rank: #1682 (+93)
8M → 9.6M
14:06 | 8:49/mi
10M
1:26:31
Rank: #1669 (+13)
9.6M → 10M
2:24 | 6:00/mi
10.5M
1:32:14
Rank: #1639 (+30)
10M → 10.5M
5:43 | 11:26/mi
12M
1:43:57
Rank: #1520 (+119)
10.5M → 12M
11:43 | 7:49/mi
14M
2:02:35
Rank: #1520
12M → 14M
18:38 | 9:19/mi
16M
2:16:54
Rank: #1387 (+133)
14M → 16M
14:19 | 7:09/mi
18M
2:36:35
Rank: #1428 (-41)
16M → 18M
19:41 | 9:51/mi
20M
2:54:29
Rank: #1392 (+36)
18M → 20M
17:54 | 8:57/mi
22M
3:10:06
Rank: #1297 (+95)
20M → 22M
15:37 | 7:48/mi
24M
3:29:15
Rank: #1252 (+45)
22M → 24M
19:09 | 9:35/mi
Finish· 26.22 mi
3:48:36
Rank: #1179 (+73)
24M → Finish
19:21 | 8:43/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 14M
Distance14.00 mi
Time2:02:35
Pace8:45 /mi
2nd Half✓ Faster
Distance12.22 mi
Time1:46:01
Pace8:41 /mi
📊Negative Split: 13.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:37:1117:258:4217:25
8:42
-
4M
4.00 mi05:54:5635:108:4817:45
8:53
+0:11
6M
6.00 mi06:12:3052:448:4717:34
8:47
-0:06
8M
8.00 mi06:29:471:10:018:4517:17
8:38
-0:09
9.6M
9.60 mi06:43:531:24:078:4614:06
8:49
+0:11
10M
10.00 mi06:46:171:26:318:392:24
6:00
-2:49
10.5M
10.50 mi06:52:001:32:148:475:43
11:26
+5:26
12M
12.00 mi07:03:431:43:578:4011:43
7:49
-3:37
14M
14.00 mi07:22:212:02:358:4518:38
9:19
+1:30
16M
16.00 mi07:36:402:16:548:3314:19
7:09
-2:10
18M
18.00 mi07:56:212:36:358:4219:41
9:51
+2:42
20M
20.00 mi08:14:152:54:298:4317:54
8:57
-0:54
22M
22.00 mi08:29:523:10:068:3815:37
7:48
-1:09
24M
24.00 mi08:49:013:29:158:4319:09
9:35
+1:47
Finish
26.22 mi09:08:223:48:368:4419:21
8:43
-0:52

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

6:00 /mi

Average Pace

8:44 /mi

Slowest Pace

11:26 /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

44:03

19% of race

Time at Steady Pace

2:20:00

61% of race

Time at Slower Pace

44:33

19% of race

Average Pace: 8:43 /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 mi05:37:1117:258:4217:25
8:42
#1696
4M
4.00 mi05:54:5635:108:4817:45
8:53
#1802
6M
6.00 mi06:12:3052:448:4717:34
8:47
#1774
8M
8.00 mi06:29:471:10:018:4517:17
8:38
#1775
9.6M
9.60 mi06:43:531:24:078:4614:06
8:49
#1682
10M
10.00 mi06:46:171:26:318:392:24
6:00
#1669
10.5M
10.50 mi06:52:001:32:148:475:43
11:26
#1639
12M
12.00 mi07:03:431:43:578:4011:43
7:49
#1520
14M
14.00 mi07:22:212:02:358:4518:38
9:19
#1520
16M
16.00 mi07:36:402:16:548:3314:19
7:09
#1387
18M
18.00 mi07:56:212:36:358:4219:41
9:51
#1428
20M
20.00 mi08:14:152:54:298:4317:54
8:57
#1392
22M
22.00 mi08:29:523:10:068:3815:37
7:48
#1297
24M
24.00 mi08:49:013:29:158:4319:09
9:35
#1252
Finish
26.22 mi09:08:223:48:368:4419:21
8:43
#1179
Faster pace
Steady pace
Slower pace
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 21%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:07

Segment Time

9:01/mi

Pace

0.90 mi

Distance

Overall

1519

Men

1317

Division

328

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi169614653551014(Top 14%)895(Top 18%)245(Top 21%)
4M4.00 mi2.00 mi1802-1061551-86374-191973(Top 28%)1675(Top 33%)389(Top 33%)
6M6.00 mi2.00 mi1774+281523+28368+61796(Top 25%)1537(Top 30%)374(Top 32%)
8M8.00 mi2.00 mi1775-11522+13681794(Top 25%)1537(Top 30%)371(Top 32%)
9.6M9.60 mi1.60 mi1682+931452+70355+131346(Top 19%)1177(Top 23%)294(Top 25%)
10M10.00 mi0.40 mi1669+131439+13351+41659(Top 23%)1422(Top 28%)353(Top 30%)
10.5M10.50 mi0.50 mi1639+301415+24349+21576(Top 22%)1370(Top 27%)346(Top 29%)
12M12.00 mi1.50 mi1520+1191307+108325+241014(Top 14%)895(Top 18%)245(Top 21%)
14M14.00 mi2.00 mi15201310-3321+41632(Top 23%)1409(Top 28%)350(Top 30%)
16M16.00 mi2.00 mi1387+1331206+104299+221146(Top 16%)978(Top 19%)259(Top 22%)
18M18.00 mi2.00 mi1428-411231-25310-112068(Top 29%)1702(Top 34%)428(Top 36%)
20M20.00 mi2.00 mi1392+361200+31308+21349(Top 19%)1130(Top 22%)300(Top 26%)
22M22.00 mi2.00 mi1297+951113+87283+25691(Top 10%)597(Top 12%)171(Top 15%)
24M24.00 mi2.00 mi1252+451070+43275+81306(Top 18%)1049(Top 21%)273(Top 23%)
Finish26.22 mi2.22 mi1179+731008+62263+12847(Top 12%)701(Top 14%)201(Top 17%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 14%
×1human
+6ft-11ft

Overall

1014

Males

895

M25-29

246

2M→4M

2.0 - 4.0 mi

Top 28%
×4stories
+75ft-70ft

Overall

1973

Males

1675

M25-29

391

4M→6M

4.0 - 6.0 mi

Top 25%
×5stories
+71ft-18ft

Overall

1796

Males

1537

M25-29

377

6M→8M

6.0 - 8.0 mi

Top 25%
×9stories
+106ft-21ft

Overall

1794

Males

1537

M25-29

373

8M→9.6M

8.0 - 9.6 mi

Top 19%
×13stories
+117ft-177ft

Overall

1346

Males

1177

M25-29

296

9.6M→10M

9.6 - 10.0 mi

Top 23%
×1story
+17ft-12ft

Overall

1659

Males

1422

M25-29

355

10M→10.5M

10.0 - 10.5 mi

Top 22%
×9stories
+0ft-102ft

Overall

1576

Males

1370

M25-29

349

10.5M→12M

10.5 - 12.0 mi

Top 14%
×18stories
+304ft-125ft

Overall

1014

Males

895

M25-29

246

12M→14M

12.0 - 14.0 mi

Top 23%
×9stories
+99ft-125ft

Overall

1632

Males

1409

M25-29

352

14M→16M

14.0 - 16.0 mi

Top 16%
×9stories
+124ft-78ft

Overall

1146

Males

978

M25-29

259

16M→18M

16.0 - 18.0 mi

Top 29%
×8stories
+106ft-45ft

Overall

2068

Males

1702

M25-29

429

18M→20M

18.0 - 20.0 mi

Top 19%
×3stories
+52ft-26ft

Overall

1349

Males

1130

M25-29

300

20M→22M

20.0 - 22.0 mi

Top 10%
×21stories
+17ft-266ft

Overall

691

Males

597

M25-29

171

22M→24M

22.0 - 24.0 mi

Top 18%
×3stories
+70ft-85ft

Overall

1306

Males

1049

M25-29

273

24M→Finish

24.0 - 26.2 mi

Top 12%
~flat
+2ft-2ft

Overall

847

Males

701

M25-29

201

Passing Analysis

Category:
Athletes Passed
1021*
Passed By
504
Net Change
+517
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1696
2M → 4M42148-106#1696#1802
4M → 6M8153+28#1802#1774
6M → 8M61*62-1#1774#1775
8M → 9.6M10512+93#1775#1682
9.6M → 10M207+13#1682#1669
10M → 10.5M4212+30#1669#1639
10.5M → 12M1190+119#1639#1520
12M → 14M39*390#1520#1520
14M → 16M153*20+133#1520#1387
16M → 18M61102-41#1387#1428
18M → 20M57*21+36#1428#1392
20M → 22M96*1+95#1392#1297
22M → 24M64*19+45#1297#1252
24M → Finish81*8+73#1252#1179
TOTALS1021*504+517

* 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