All Results|Race Analytics|Course
SF MARATHON 2ND HALF 2026

Derek Lee

Bib: 23946•M•Age: 26

Cupertino, CA

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0:00
0:00
/ mi
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Overall
#0 / 3840
Top 24%
Gender (Male)
#0 / 2065
Top 33%
Division (M25-29)
#0 / 503
Top 35%
Race Day Weather
59°/49°F
scattered clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
2M
17:16
Rank: #894
Start → 2M
17:16 | 8:38/mi
4M
32:42
Rank: #741 (+153)
2M → 4M
15:26 | 7:43/mi
6M
53:02
Rank: #710 (+31)
4M → 6M
20:20 | 10:10/mi
8M
1:05:30
Rank: #682 (+28)
6M → 8M
12:28 | 6:14/mi
10M
1:23:22
Rank: #719 (-37)
8M → 10M
17:52 | 8:56/mi
12M
1:44:00
Rank: #859 (-140)
10M → 12M
20:38 | 10:19/mi
Finish· 13.11 mi
1:55:30
Rank: #939 (-80)
12M → Finish
11:30 | 10:22/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via 6M
Distance6.00 mi
Time53:02
Pace8:50 /mi
2nd Half
Distance7.11 mi
Time1:02:28
Pace8:47 /mi
📊Positive Split: 17.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:55:3317:168:3817:16
8:38
-
4M
4.00 mi09:10:5932:428:1115:26
7:43
-0:55
6M
6.00 mi09:31:1953:028:5020:20
10:10
+2:27
8M
8.00 mi09:43:471:05:308:1112:28
6:14
-3:56
10M
10.00 mi10:01:391:23:228:2017:52
8:56
+2:42
12M
12.00 mi10:22:171:44:008:4020:38
10:19
+1:23
Finish
13.11 mi10:33:471:55:308:4911:30
10:22
+0:03

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

6:14 /mi

Average Pace

8:49 /mi

Slowest Pace

10:22 /mi

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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

27:54

24% of race

Time at Steady Pace

35:08

30% of race

Time at Slower Pace

52:28

45% of race

Average Pace: 8:49 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi08:55:3317:168:3817:16
8:38
#894
4M
4.00 mi09:10:5932:428:1115:26
7:43
#741
6M
6.00 mi09:31:1953:028:5020:20
10:10
#710
8M
8.00 mi09:43:471:05:308:1112:28
6:14
#682
10M
10.00 mi10:01:391:23:228:2017:52
8:56
#719
12M
12.00 mi10:22:171:44:008:4020:38
10:19
#859
Finish
13.11 mi10:33:471:55:308:4911:30
10:22
#939
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi8946661741528(Top 40%)1016(Top 49%)267(Top 53%)
4M4.00 mi2.00 mi741+153562+104146+28599(Top 16%)462(Top 22%)114(Top 23%)
6M6.00 mi2.00 mi710+31540+22139+7693(Top 18%)531(Top 26%)140(Top 28%)
8M8.00 mi2.00 mi682+28520+20135+4610(Top 16%)470(Top 23%)128(Top 25%)
10M10.00 mi2.00 mi719-37549-29146-11895(Top 23%)659(Top 32%)179(Top 36%)
12M12.00 mi2.00 mi859-140635-86170-241528(Top 40%)1016(Top 49%)267(Top 53%)
Finish13.11 mi1.11 mi939-80679-44178-81765(Top 46%)1136(Top 55%)293(Top 58%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 40%
×9stories
+138ft-68ft

Overall

1528

Males

1016

M25-29

267

2M→4M

2.0 - 4.0 mi

Top 16%
×13stories
+163ft-19ft

Overall

599

Males

462

M25-29

114

4M→6M

4.0 - 6.0 mi

Top 18%
×4stories
+55ft-83ft

Overall

693

Males

531

M25-29

140

6M→8M

6.0 - 8.0 mi

Top 16%
×10stories
+65ft-151ft

Overall

610

Males

470

M25-29

128

8M→10M

8.0 - 10.0 mi

Top 23%
×10stories
+61ft-174ft

Overall

895

Males

659

M25-29

179

10M→12M

10.0 - 12.0 mi

Top 40%
×3stories
+41ft-53ft

Overall

1528

Males

1016

M25-29

267

12M→Finish

12.0 - 13.1 mi

Top 46%
×1human
+6ft-6ft

Overall

1765

Males

1136

M25-29

293

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
246*
Passed By
291
Net Change
-45
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#894
2M → 4M1574+153#894#741
4M → 6M4716+31#741#710
6M → 8M346+28#710#682
8M → 10M8*45-37#682#719
10M → 12M0140-140#719#859
12M → Finish080-80#859#939
TOTALS246*291-45

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

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon