San Francisco Marathon logo
SF MARATHON 2026

I Lun Tsai

Bib: 3716•M•Age: 26

SF, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 7166
Top 45%
Gender (Male)
#0 / 5052
Division (M25-29)
#0 / 1176
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
19:19
Rank: #3569
Start → 2M
19:19 | 9:39/mi
4M
38:59
Rank: #3603 (-34)
2M → 4M
19:40 | 9:50/mi
6M
58:22
Rank: #3481 (+122)
4M → 6M
19:23 | 9:41/mi
8M
1:17:21
Rank: #3449 (+32)
6M → 8M
18:59 | 9:29/mi
9.6M
1:33:57
Rank: #3452 (-3)
8M → 9.6M
16:36 | 10:22/mi
10M
1:36:40
Rank: #3453 (-1)
9.6M → 10M
2:43 | 6:48/mi
10.5M
1:43:22
Rank: #3437 (+16)
10M → 10.5M
6:42 | 13:24/mi
12M
1:58:07
Rank: #3474 (-37)
10.5M → 12M
14:45 | 9:50/mi
14M
2:19:18
Rank: #3454 (+20)
12M → 14M
21:11 | 10:35/mi
16M
2:35:27
Rank: #3262 (+192)
14M → 16M
16:09 | 8:04/mi
18M
2:58:48
Rank: #3366 (-104)
16M → 18M
23:21 | 11:41/mi
20M
3:19:17
Rank: #3258 (+108)
18M → 20M
20:29 | 10:14/mi
22M
3:37:43
Rank: #3129 (+129)
20M → 22M
18:26 | 9:13/mi
24M
4:01:54
Rank: #3187 (-58)
22M → 24M
24:11 | 12:06/mi
Finish· 26.22 mi
4:27:29
Rank: #3240 (-53)
24M → Finish
25:35 | 11:32/mi

The Course

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
Time2:19:18
Pace9:57 /mi
2nd Half✓ Faster
Distance12.22 mi
Time2:08:11
Pace10:29 /mi
📊Negative Split: 8.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:42:2719:199:3919:19
9:39
-
4M
4.00 mi06:02:0738:599:4519:40
9:50
+0:11
6M
6.00 mi06:21:3058:229:4419:23
9:41
-0:09
8M
8.00 mi06:40:291:17:219:4018:59
9:29
-0:12
9.6M
9.60 mi06:57:051:33:579:4716:36
10:22
+0:53
10M
10.00 mi06:59:481:36:409:402:43
6:48
-3:34
10.5M
10.50 mi07:06:301:43:229:516:42
13:24
+6:36
12M
12.00 mi07:21:151:58:079:5114:45
9:50
-3:34
14M
14.00 mi07:42:262:19:189:5721:11
10:35
+0:45
16M
16.00 mi07:58:352:35:279:4316:09
8:04
-2:31
18M
18.00 mi08:21:562:58:489:5623:21
11:41
+3:37
20M
20.00 mi08:42:253:19:179:5820:29
10:14
-1:27
22M
22.00 mi09:00:513:37:439:5418:26
9:13
-1:01
24M
24.00 mi09:25:024:01:5410:0524:11
12:06
+2:53
Finish
26.22 mi09:50:374:27:2910:1325:35
11:32
-0:34

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

6:48 /mi

Average Pace

10:13 /mi

Slowest Pace

13:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

18:52

7% of race

Time at Steady Pace

2:48:48

63% of race

Time at Slower Pace

1:19:49

30% of race

Average Pace: 10:12 /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 mi05:42:2719:199:3919:19
9:39
#3569
4M
4.00 mi06:02:0738:599:4519:40
9:50
#3603
6M
6.00 mi06:21:3058:229:4419:23
9:41
#3481
8M
8.00 mi06:40:291:17:219:4018:59
9:29
#3449
9.6M
9.60 mi06:57:051:33:579:4716:36
10:22
#3452
10M
10.00 mi06:59:481:36:409:402:43
6:48
#3453
10.5M
10.50 mi07:06:301:43:229:516:42
13:24
#3437
12M
12.00 mi07:21:151:58:079:5114:45
9:50
#3474
14M
14.00 mi07:42:262:19:189:5721:11
10:35
#3454
16M
16.00 mi07:58:352:35:279:4316:09
8:04
#3262
18M
18.00 mi08:21:562:58:489:5623:21
11:41
#3366
20M
20.00 mi08:42:253:19:179:5820:29
10:14
#3258
22M
22.00 mi09:00:513:37:439:5418:26
9:13
#3129
24M
24.00 mi09:25:024:01:5410:0524:11
12:06
#3187
Finish
26.22 mi09:50:374:27:2910:1325:35
11:32
#3240
Faster pace
Steady pace
Slower pace
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 50%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:25

Segment Time

10:28/mi

Pace

0.90 mi

Distance

Overall

3565

Men

2843

Division

707

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi356928767043945(Top 55%)3097(Top 61%)779(Top 66%)
4M4.00 mi2.00 mi3603-342889-13712-83711(Top 52%)2968(Top 59%)734(Top 62%)
6M6.00 mi2.00 mi3481+1222812+77697+153386(Top 47%)2750(Top 54%)671(Top 57%)
8M8.00 mi2.00 mi3449+322789+23691+63338(Top 47%)2706(Top 54%)669(Top 57%)
9.6M9.60 mi1.60 mi3452-32789698-73603(Top 50%)2878(Top 57%)715(Top 61%)
10M10.00 mi0.40 mi3453-12790-1696+23509(Top 49%)2813(Top 56%)696(Top 59%)
10.5M10.50 mi0.50 mi3437+162771+19688+83703(Top 52%)2924(Top 58%)720(Top 61%)
12M12.00 mi1.50 mi3474-372801-30696-83945(Top 55%)3097(Top 61%)779(Top 66%)
14M14.00 mi2.00 mi3454+202779+22693+33422(Top 48%)2739(Top 54%)672(Top 57%)
16M16.00 mi2.00 mi3262+1922631+148656+372270(Top 32%)1823(Top 36%)469(Top 40%)
18M18.00 mi2.00 mi3366-1042704-73669-134143(Top 58%)3116(Top 62%)771(Top 66%)
20M20.00 mi2.00 mi3258+1082611+93646+232850(Top 40%)2233(Top 44%)550(Top 47%)
22M22.00 mi2.00 mi3129+1292504+107618+282253(Top 31%)1780(Top 35%)451(Top 38%)
24M24.00 mi2.00 mi3187-582523-19619-13966(Top 55%)2874(Top 57%)714(Top 61%)
Finish26.22 mi2.22 mi3240-532542-19629-104076(Top 57%)2946(Top 58%)746(Top 63%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 55%
×1human
+6ft-11ft

Overall

3945

Males

3097

M25-29

783

2M→4M

2.0 - 4.0 mi

Top 52%
×4stories
+75ft-70ft

Overall

3711

Males

2968

M25-29

738

4M→6M

4.0 - 6.0 mi

Top 47%
×5stories
+71ft-18ft

Overall

3386

Males

2750

M25-29

674

6M→8M

6.0 - 8.0 mi

Top 47%
×9stories
+106ft-21ft

Overall

3338

Males

2706

M25-29

672

8M→9.6M

8.0 - 9.6 mi

Top 50%
×13stories
+117ft-177ft

Overall

3603

Males

2878

M25-29

719

9.6M→10M

9.6 - 10.0 mi

Top 49%
×1story
+17ft-12ft

Overall

3509

Males

2813

M25-29

700

10M→10.5M

10.0 - 10.5 mi

Top 52%
×9stories
+0ft-102ft

Overall

3703

Males

2924

M25-29

724

10.5M→12M

10.5 - 12.0 mi

Top 55%
×18stories
+304ft-125ft

Overall

3945

Males

3097

M25-29

783

12M→14M

12.0 - 14.0 mi

Top 48%
×9stories
+99ft-125ft

Overall

3422

Males

2739

M25-29

676

14M→16M

14.0 - 16.0 mi

Top 32%
×9stories
+124ft-78ft

Overall

2270

Males

1823

M25-29

469

16M→18M

16.0 - 18.0 mi

Top 58%
×8stories
+106ft-45ft

Overall

4143

Males

3116

M25-29

774

18M→20M

18.0 - 20.0 mi

Top 40%
×3stories
+52ft-26ft

Overall

2850

Males

2233

M25-29

551

20M→22M

20.0 - 22.0 mi

Top 31%
×21stories
+17ft-266ft

Overall

2253

Males

1780

M25-29

452

22M→24M

22.0 - 24.0 mi

Top 55%
×3stories
+70ft-85ft

Overall

3966

Males

2874

M25-29

715

24M→Finish

24.0 - 26.2 mi

Top 57%
~flat
+2ft-2ft

Overall

4076

Males

2946

M25-29

746

Passing Analysis

Category:
Athletes Passed
1182*
Passed By
853
Net Change
+329
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3569
2M → 4M111*145-34#3569#3603
4M → 6M15937+122#3603#3481
6M → 8M78*46+32#3481#3449
8M → 9.6M70*73-3#3449#3452
9.6M → 10M1213-1#3452#3453
10M → 10.5M4731+16#3453#3437
10.5M → 12M2663-37#3437#3474
12M → 14M60*40+20#3474#3454
14M → 16M216*24+192#3454#3262
16M → 18M46150-104#3262#3366
18M → 20M124*16+108#3366#3258
20M → 22M137*8+129#3258#3129
22M → 24M54*112-58#3129#3187
24M → Finish42*95-53#3187#3240
TOTALS1182*853+329

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

📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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