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SF MARATHON 2ND HALF 2026

Sungmook Leem

Bib: 24520•M•Age: 34

Hillsborough, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Gender (Male)
#0 / 2065
Division (M30-34)
#0 / 453
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
9–292 ft
≈
×24story building
•▲ 548 ft climb · ▼ 587 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
11:53/mi
23:47
↑ 138↓ 680.7%
4M
12:33/mi
48:52
↑ 1631.4%
6M
16:18/mi
1:21:28
↑ 55↓ 830.3%
8M
8:32/mi
1:38:32
↑ 65↓ 1510.8%
10M
12:59/mi
2:04:30
↑ 61↓ 1741.1%
12M
12:14/mi
2:28:59
↑ 41↓ 530.1%
Finish· 13.11 mi
11:43/mi
2:41:59
→ flat

The Course

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Half Splits

1st Half· via 6M
Distance6.00 mi
Time1:21:28
Pace13:35 /mi
2nd Half✓ Faster
Distance7.11 mi
Time1:20:31
Pace11:20 /mi
📊Negative Split: 1.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:15:1923:4711:5323:47
11:53
-
4M
4.00 mi09:40:2448:5212:1325:05
12:33
+0:40
6M
6.00 mi10:13:001:21:2813:3532:36
16:18
+3:45
8M
8.00 mi10:30:041:38:3212:1917:04
8:32
-7:46
10M
10.00 mi10:56:022:04:3012:2725:58
12:59
+4:27
12M
12.00 mi11:20:312:28:5912:2524:29
12:14
-0:45
Finish
13.11 mi11:33:312:41:5912:2113:00
11:43
-0:31

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

8:32 /mi

Average Pace

12:21 /mi

Slowest Pace

16:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

17:04

11% of race

Time at Steady Pace

1:52:19

69% of race

Time at Slower Pace

32:36

20% of race

Average Pace: 12:21 /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 mi09:15:1923:4711:5323:47
11:53
#3259
4M
4.00 mi09:40:2448:5212:1325:05
12:33
#3386
6M
6.00 mi10:13:001:21:2813:3532:36
16:18
#3461
8M
8.00 mi10:30:041:38:3212:1917:04
8:32
#3336
10M
10.00 mi10:56:022:04:3012:2725:58
12:59
#3293
12M
12.00 mi11:20:312:28:5912:2524:29
12:14
#3184
Finish
13.11 mi11:33:312:41:5912:2113:00
11:43
#3125
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi2.00 mi325918494092557(Top 67%)1516(Top 73%)341(Top 75%)
4M4.00 mi2.00 mi3386-1271895-46418-93415(Top 89%)1897(Top 92%)422(Top 93%)
6M6.00 mi2.00 mi3461-751929-34422-43515(Top 92%)1945(Top 94%)429(Top 95%)
8M8.00 mi2.00 mi3336+1251879+50415+72686(Top 70%)1605(Top 78%)366(Top 81%)
10M10.00 mi2.00 mi3293+431862+17411+43141(Top 82%)1790(Top 87%)403(Top 89%)
12M12.00 mi2.00 mi3184+1091818+44408+32557(Top 67%)1516(Top 73%)341(Top 75%)
Finish13.11 mi1.11 mi3125+591787+31404+42550(Top 66%)1495(Top 72%)333(Top 74%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 67%
×9story building
+138ft-68ft

Overall

2557

Males

1516

M30-34

342

2M→4M

2.0 - 4.0 mi

Top 89%
×13story building
+163ft-19ft

Overall

3415

Males

1897

M30-34

423

4M→6M

4.0 - 6.0 mi

Top 92%
×4story building
+55ft-83ft

Overall

3515

Males

1945

M30-34

430

6M→8M

6.0 - 8.0 mi

Top 70%
×10story building
+65ft-151ft

Overall

2686

Males

1605

M30-34

367

8M→10M

8.0 - 10.0 mi

Top 82%
×10story building
+61ft-174ft

Overall

3141

Males

1790

M30-34

404

10M→12M

10.0 - 12.0 mi

Top 67%
×3story building
+41ft-53ft

Overall

2557

Males

1516

M30-34

342

12M→Finish

12.0 - 13.1 mi

Top 66%
×1human
+6ft-6ft

Overall

2550

Males

1495

M30-34

333

Passing Analysis

Category:
Athletes Passed
388*
Passed By
254
Net Change
+134
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3259
2M → 4M29156-127#3259#3386
4M → 6M984-75#3386#3461
6M → 8M126*1+125#3461#3336
8M → 10M51*8+43#3336#3293
10M → 12M1134+109#3293#3184
12M → Finish60*1+59#3184#3125
TOTALS388*254+134

* 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