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SF MARATHON 1ST HALF 2026

Michelle Lam

Brooklyn, NY

Bib: 14974 F 29

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F25-29)
#0 / 674
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
2M
11:34/mi
23:08
→ flat
12 ft elev
4M
11:54/mi
46:56
↑ 67↓ 69
10 ft elev
6M
12:35/mi
1:12:06
↑ 1231.1%
126 ft elev
8M
10:40/mi
1:33:25
↑ 166↓ 531.1%
246 ft elev
9.6M
10:40/mi
1:50:29
↑ 68↓ 1931.5%
126 ft elev
10M
19:34/mi
1:58:18
↓ 241.1%
90 ft elev
10.5M
4:44/mi
2:00:40
↓ 732.7%
18 ft elev
12M
16:47/mi
2:25:50
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
10:17/mi
2:37:14
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:12:0612:01 /mi⚡ faster
2nd Half
1:25:0811:59 /mi+18.1%
Positive split — 18.1% slower in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:10:0523:0811:3423:08
11:34
-
4M
4.00 mi07:33:5346:5611:4423:48
11:54
+0:20
6M
6.00 mi07:59:031:12:0612:0125:10
12:35
+0:41
8M
8.00 mi08:20:221:33:2511:4121:19
10:40
-1:55
9.6M
9.60 mi08:37:261:50:2911:3117:04
10:40
0:00
10M
10.00 mi08:45:151:58:1811:507:49
19:34
+8:54
10.5M
10.50 mi08:47:372:00:4011:302:22
4:44
-14:50
12M
12.00 mi09:12:472:25:5012:0925:10
16:47
+12:03
Finish
13.11 mi09:24:112:37:1412:0011:24
10:17
-6:30

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

4:44 /mi

Average Pace

12:00 /mi

Slowest Pace

19:34 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22

2% of race

Time at Steady Pace

2:01:53

78% of race

Time at Slower Pace

32:59

21% of race

Average Pace: 12:00 /mi

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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.

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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 mi07:10:0523:0811:3423:08
11:34
#5482
4M
4.00 mi07:33:5346:5611:4423:48
11:54
#5410
6M
6.00 mi07:59:031:12:0612:0125:10
12:35
#5461
8M
8.00 mi08:20:221:33:2511:4121:19
10:40
#4868
9.6M
9.60 mi08:37:261:50:2911:3117:04
10:40
#4863
10M
10.00 mi08:45:151:58:1811:507:49
19:34
#4711
10.5M
10.50 mi08:47:372:00:4011:302:22
4:44
#4649
12M
12.00 mi09:12:472:25:5012:0925:10
16:47
#4675
Finish
13.11 mi09:24:112:37:1412:0011:24
10:17
#4505
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 46%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:11

Segment Time

11:19/mi

Pace

0.90 mi

Distance

Overall

3034

Women

1007

Division

257

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi5482223253647301890451
4M4.00 mi2.00 mi5410+722183+49533+353342143522
6M6.00 mi2.00 mi5461-512202-19540-755882295560
8M8.00 mi2.00 mi4868+5931855+347456+843173994240
9.6M9.60 mi1.60 mi4863+51866-1145647201926467
10M10.00 mi0.40 mi4711+1521782+84438+1832631118282
10.5M10.50 mi0.50 mi4649+621753+29431+72490762188
12M12.00 mi1.50 mi4675-261780-27436-547301890451
Finish13.11 mi1.11 mi4505+1701699+81422+1432231123301

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 72%
~flat
+5ft-3ft

Overall

4730

Females

1890

F25-29

451

2M→4M

2.0 - 4.0 mi

Top 81%
×4story building
+67ft-69ft

Overall

5334

Females

2143

F25-29

523

4M→6M

4.0 - 6.0 mi

Top 85%
×9story building
+123ft-9ft

Overall

5588

Females

2295

F25-29

560

6M→8M

6.0 - 8.0 mi

Top 48%
×12story building
+166ft-53ft

Overall

3173

Females

994

F25-29

240

8M→9.6M

8.0 - 9.6 mi

Top 72%
×13story building
+68ft-193ft

Overall

4720

Females

1926

F25-29

467

9.6M→10M

9.6 - 10.0 mi

Top 50%
×2story building
+0ft-24ft

Overall

3263

Females

1118

F25-29

282

10M→10.5M

10.0 - 10.5 mi

Top 38%
×6story building
+1ft-73ft

Overall

2490

Females

762

F25-29

188

10.5M→12M

10.5 - 12.0 mi

Top 72%
×21story building
+280ft-26ft

Overall

4730

Females

1890

F25-29

451

12M→Finish

12.0 - 13.1 mi

Top 49%
×7story building
+14ft-89ft

Overall

3223

Females

1123

F25-29

301

Passing Analysis

Category:
Athletes Passed
1478*
Passed By
501
Net Change
+977
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5482
2M → 4M16189+72#5482#5410
4M → 6M99*150-51#5410#5461
6M → 8M597*4+593#5461#4868
8M → 9.6M147142+5#4868#4863
9.6M → 10M1597+152#4863#4711
10M → 10.5M642+62#4711#4649
10.5M → 12M79*105-26#4649#4675
12M → Finish172*2+170#4675#4505
TOTALS1478*501+977

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

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events