San Francisco Marathon logo
SF MARATHON 1ST HALF 2026

Michelle Bai

Bib: 15819•F•Age: 29

San Francisco, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6575
Gender (Female)
#0 / 2930
Top 42%
Division (F25-29)
#0 / 674
Top 47%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
10:25/mi
20:51
→ flat
4M
10:40/mi
42:10
↑ 67↓ 69
6M
10:44/mi
1:03:38
↑ 1231.1%
8M
10:11/mi
1:23:59
↑ 166↓ 531.1%
9.6M
10:11/mi
1:40:16
↑ 68↓ 1931.5%
10M
18:51/mi
1:47:48
↓ 241.1%
10.5M
5:14/mi
1:50:25
↓ 732.7%
12M
15:59/mi
2:14:23
↑ 2803.2%
Finish· 13.11 mi
11:24/mi
2:27:02
↑ 14↓ 891.3%

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 6MFaster
Distance6.00 mi
Time1:03:38
Pace10:36 /mi
2nd Half
Distance7.11 mi
Time1:23:24
Pace11:44 /mi
📊Positive Split: 31.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:58:5320:5110:2520:51
10:25
-
4M
4.00 mi07:20:1242:1010:3321:19
10:40
+0:15
6M
6.00 mi07:41:401:03:3810:3621:28
10:44
+0:04
8M
8.00 mi08:02:011:23:5910:3020:21
10:11
-0:33
9.6M
9.60 mi08:18:181:40:1610:2716:17
10:11
0:00
10M
10.00 mi08:25:501:47:4810:477:32
18:51
+8:40
10.5M
10.50 mi08:28:271:50:2510:312:37
5:14
-13:37
12M
12.00 mi08:52:252:14:2311:1223:58
15:59
+10:45
Finish
13.11 mi09:05:042:27:0211:1312:39
11:24
-4:35

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

5:14 /mi

Average Pace

11:13 /mi

Slowest Pace

18:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37

2% of race

Time at Steady Pace

1:52:55

77% of race

Time at Slower Pace

31:30

21% of race

Average Pace: 11:13 /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...
0mi3.3mi6.6mi9.8mi13.1mi
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 mi06:58:5320:5110:2520:51
10:25
#3789
4M
4.00 mi07:20:1242:1010:3321:19
10:40
#3758
6M
6.00 mi07:41:401:03:3810:3621:28
10:44
#3661
8M
8.00 mi08:02:011:23:5910:3020:21
10:11
#3309
9.6M
9.60 mi08:18:181:40:1610:2716:17
10:11
#3426
10M
10.00 mi08:25:501:47:4810:477:32
18:51
#3359
10.5M
10.50 mi08:28:271:50:2510:312:37
5:14
#3362
12M
12.00 mi08:52:252:14:2311:1223:58
15:59
#3518
Finish
13.11 mi09:05:042:27:0211:1312:39
11:24
#3587
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 45%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:09

Segment Time

11:17/mi

Pace

0.90 mi

Distance

Overall

2988

Women

986

Division

252

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi378913033144218(Top 64%)1621(Top 55%)389(Top 58%)
4M4.00 mi2.00 mi3758+311289+143143784(Top 58%)1306(Top 45%)327(Top 49%)
6M6.00 mi2.00 mi3661+971256+333143591(Top 55%)1214(Top 41%)309(Top 46%)
8M8.00 mi2.00 mi3309+3521072+184262+522596(Top 39%)730(Top 25%)177(Top 26%)
9.6M9.60 mi1.60 mi3426-1171134-62281-194218(Top 64%)1672(Top 57%)420(Top 62%)
10M10.00 mi0.40 mi3359+671105+29273+82900(Top 44%)954(Top 33%)240(Top 36%)
10.5M10.50 mi0.50 mi3362-31108-3272+13742(Top 57%)1315(Top 45%)325(Top 48%)
12M12.00 mi1.50 mi3518-1561190-82299-274218(Top 64%)1621(Top 55%)389(Top 58%)
Finish13.11 mi1.11 mi3587-691230-40318-194444(Top 68%)1756(Top 60%)437(Top 65%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 64%
~flat
+5ft-3ft

Overall

4218

Females

1621

F25-29

389

2M→4M

2.0 - 4.0 mi

Top 58%
×4story building
+67ft-69ft

Overall

3784

Females

1306

F25-29

327

4M→6M

4.0 - 6.0 mi

Top 55%
×9story building
+123ft-9ft

Overall

3591

Females

1214

F25-29

309

6M→8M

6.0 - 8.0 mi

Top 39%
×12story building
+166ft-53ft

Overall

2596

Females

730

F25-29

177

8M→9.6M

8.0 - 9.6 mi

Top 64%
×13story building
+68ft-193ft

Overall

4218

Females

1672

F25-29

420

9.6M→10M

9.6 - 10.0 mi

Top 44%
×2story building
+0ft-24ft

Overall

2900

Females

954

F25-29

240

10M→10.5M

10.0 - 10.5 mi

Top 57%
×6story building
+1ft-73ft

Overall

3742

Females

1315

F25-29

325

10.5M→12M

10.5 - 12.0 mi

Top 64%
×21story building
+280ft-26ft

Overall

4218

Females

1621

F25-29

389

12M→Finish

12.0 - 13.1 mi

Top 68%
×7story building
+14ft-89ft

Overall

4444

Females

1756

F25-29

437

Passing Analysis

Category:
Athletes Passed
917*
Passed By
715
Net Change
+202
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3789
2M → 4M179148+31#3789#3758
4M → 6M171*74+97#3758#3661
6M → 8M368*16+352#3661#3309
8M → 9.6M53170-117#3309#3426
9.6M → 10M7811+67#3426#3359
10M → 10.5M811-3#3359#3362
10.5M → 12M34190-156#3362#3518
12M → Finish26*95-69#3518#3587
TOTALS917*715+202

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

📊

Passing Visuals

Category:
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

Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events