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SF MARATHON 1ST HALF 2026

Dean Li

Bib: 13144•M•Age: 29

Cambridge, MA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Division (M25-29)
#0 / 796
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
11:07/mi
22:14
→ flat
4M
11:13/mi
44:39
↑ 67↓ 69
6M
11:15/mi
1:07:10
↑ 1231.1%
8M
12:07/mi
1:31:24
↑ 166↓ 531.1%
9.6M
12:07/mi
1:50:48
↑ 68↓ 1931.5%
10M
24:52/mi
2:00:44
↓ 241.1%
10.5M
6:20/mi
2:03:54
↓ 732.7%
12M
17:54/mi
2:30:45
↑ 2803.2%
Finish· 13.11 mi
12:48/mi
2:44:57
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:07:10
Pace11:12 /mi
2nd Half
Distance7.11 mi
Time1:37:47
Pace13:45 /mi
📊Positive Split: 45.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:09:0922:1411:0722:14
11:07
-
4M
4.00 mi07:31:3444:3911:1022:25
11:13
+0:06
6M
6.00 mi07:54:051:07:1011:1222:31
11:15
+0:02
8M
8.00 mi08:18:191:31:2411:2624:14
12:07
+0:52
9.6M
9.60 mi08:37:431:50:4811:3219:24
12:07
0:00
10M
10.00 mi08:47:392:00:4412:049:56
24:52
+12:45
10.5M
10.50 mi08:50:492:03:5411:483:10
6:20
-18:32
12M
12.00 mi09:17:402:30:4512:3426:51
17:54
+11:34
Finish
13.11 mi09:31:522:44:5712:3514:12
12:48
-5:06

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

6:20 /mi

Average Pace

12:35 /mi

Slowest Pace

24:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10

2% of race

Time at Steady Pace

2:05:00

76% of race

Time at Slower Pace

36:47

22% of race

Average Pace: 12:35 /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 mi07:09:0922:1411:0722:14
11:07
#4897
4M
4.00 mi07:31:3444:3911:1022:25
11:13
#4675
6M
6.00 mi07:54:051:07:1011:1222:31
11:15
#4504
8M
8.00 mi08:18:191:31:2411:2624:14
12:07
#4512
9.6M
9.60 mi08:37:431:50:4811:3219:24
12:07
#4917
10M
10.00 mi08:47:392:00:4412:049:56
24:52
#4993
10.5M
10.50 mi08:50:492:03:5411:483:10
6:20
#5027
12M
12.00 mi09:17:402:30:4512:3426:51
17:54
#5127
Finish
13.11 mi09:31:522:44:5712:3514:12
12:48
#5134
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 85%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

13:06

Segment Time

14:34/mi

Pace

0.90 mi

Distance

Overall

5584

Men

3203

Division

722

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi489729926825381(Top 82%)3097(Top 86%)692(Top 87%)
4M4.00 mi2.00 mi4675+2222904+88665+174500(Top 68%)2808(Top 78%)647(Top 81%)
6M6.00 mi2.00 mi4504+1712824+80647+184191(Top 64%)2660(Top 74%)619(Top 78%)
8M8.00 mi2.00 mi4512-82845-21649-24686(Top 71%)2939(Top 81%)661(Top 83%)
9.6M9.60 mi1.60 mi4917-4053001-156684-355901(Top 90%)3345(Top 92%)748(Top 94%)
10M10.00 mi0.40 mi4993-763040-39689-55583(Top 85%)3190(Top 88%)708(Top 89%)
10.5M10.50 mi0.50 mi5027-343056-16691-25724(Top 87%)3274(Top 90%)730(Top 92%)
12M12.00 mi1.50 mi5127-1003075-19694-35381(Top 82%)3097(Top 86%)692(Top 87%)
Finish13.11 mi1.11 mi5134-73070+5696-25461(Top 83%)3109(Top 86%)695(Top 87%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 82%
~flat
+5ft-3ft

Overall

5381

Males

3097

M25-29

693

2M→4M

2.0 - 4.0 mi

Top 68%
×4story building
+67ft-69ft

Overall

4500

Males

2808

M25-29

649

4M→6M

4.0 - 6.0 mi

Top 64%
×9story building
+123ft-9ft

Overall

4191

Males

2660

M25-29

620

6M→8M

6.0 - 8.0 mi

Top 71%
×12story building
+166ft-53ft

Overall

4686

Males

2939

M25-29

662

8M→9.6M

8.0 - 9.6 mi

Top 90%
×13story building
+68ft-193ft

Overall

5901

Males

3345

M25-29

749

9.6M→10M

9.6 - 10.0 mi

Top 85%
×2story building
+0ft-24ft

Overall

5583

Males

3190

M25-29

709

10M→10.5M

10.0 - 10.5 mi

Top 87%
×6story building
+1ft-73ft

Overall

5724

Males

3274

M25-29

731

10.5M→12M

10.5 - 12.0 mi

Top 82%
×21story building
+280ft-26ft

Overall

5381

Males

3097

M25-29

693

12M→Finish

12.0 - 13.1 mi

Top 83%
×7story building
+14ft-89ft

Overall

5461

Males

3109

M25-29

695

Passing Analysis

Category:
Athletes Passed
852*
Passed By
1089
Net Change
-237
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4897
2M → 4M31795+222#4897#4675
4M → 6M225*54+171#4675#4504
6M → 8M167*175-8#4504#4512
8M → 9.6M9414-405#4512#4917
9.6M → 10M2298-76#4917#4993
10M → 10.5M539-34#4993#5027
10.5M → 12M56*156-100#5027#5127
12M → Finish51*58-7#5127#5134
TOTALS852*1089-237

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

📊

Passing Visuals

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