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SF MARATHON 2ND HALF 2026

Corey Pierce

Bib: 26484•M•Age: 40

Walnut Creek, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 3840
Top 19%
Gender (Male)
#0 / 2065
Top 26%
Masters (Masters Men)
#0 / 555
Top 20%
Division (M40-44)
#0 / 200
Top 21%
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
8:15/mi
16:31
↑ 138↓ 680.7%
4M
7:47/mi
32:05
↑ 1631.4%
6M
10:14/mi
52:33
↑ 55↓ 830.3%
8M
6:39/mi
1:05:52
↑ 65↓ 1510.8%
10M
8:55/mi
1:23:42
↑ 61↓ 1741.1%
12M
8:59/mi
1:41:40
↑ 41↓ 530.1%
Finish· 13.11 mi
8:26/mi
1:51:01
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time52:33
Pace8:46 /mi
2nd Half
Distance7.11 mi
Time58:28
Pace8:13 /mi
📊Positive Split: 11.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:02:5316:318:1516:31
8:15
-
4M
4.00 mi09:18:2732:058:0115:34
7:47
-0:28
6M
6.00 mi09:38:5552:338:4620:28
10:14
+2:27
8M
8.00 mi09:52:141:05:528:1413:19
6:39
-3:35
10M
10.00 mi10:10:041:23:428:2217:50
8:55
+2:16
12M
12.00 mi10:28:021:41:408:2817:58
8:59
+0:04
Finish
13.11 mi10:37:231:51:018:289:21
8:26
-0:33

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

6:39 /mi

Average Pace

8:28 /mi

Slowest Pace

10:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

28:53

26% of race

Time at Steady Pace

43:42

39% of race

Time at Slower Pace

38:26

35% of race

Average Pace: 8:28 /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.

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 mi09:02:5316:318:1516:31
8:15
#610
4M
4.00 mi09:18:2732:058:0115:34
7:47
#623
6M
6.00 mi09:38:5552:338:4620:28
10:14
#640
8M
8.00 mi09:52:141:05:528:1413:19
6:39
#713
10M
10.00 mi10:10:041:23:428:2217:50
8:55
#741
12M
12.00 mi10:28:021:41:408:2817:58
8:59
#737
Finish
13.11 mi10:37:231:51:018:289:21
8:26
#716
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
2M2.00 mi2.00 mi61047443729(Top 19%)536(Top 26%)44(Top 22%)
4M4.00 mi2.00 mi623-13480-642+1641(Top 17%)491(Top 24%)42(Top 21%)
6M6.00 mi2.00 mi640-17490-1043-1719(Top 19%)550(Top 27%)46(Top 23%)
8M8.00 mi2.00 mi713-73542-5247-4980(Top 26%)713(Top 35%)59(Top 30%)
10M10.00 mi2.00 mi741-28563-2148-1887(Top 23%)652(Top 32%)52(Top 26%)
12M12.00 mi2.00 mi737+4560+345+3729(Top 19%)536(Top 26%)44(Top 22%)
Finish13.11 mi1.11 mi716+21544+1642+3630(Top 16%)478(Top 23%)37(Top 19%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 19%
×9story building
+138ft-68ft

Overall

729

Males

536

M40-44

44

2M→4M

2.0 - 4.0 mi

Top 17%
×13story building
+163ft-19ft

Overall

641

Males

491

M40-44

42

4M→6M

4.0 - 6.0 mi

Top 19%
×4story building
+55ft-83ft

Overall

719

Males

550

M40-44

47

6M→8M

6.0 - 8.0 mi

Top 26%
×10story building
+65ft-151ft

Overall

980

Males

713

M40-44

59

8M→10M

8.0 - 10.0 mi

Top 23%
×10story building
+61ft-174ft

Overall

887

Males

652

M40-44

52

10M→12M

10.0 - 12.0 mi

Top 19%
×3story building
+41ft-53ft

Overall

729

Males

536

M40-44

44

12M→Finish

12.0 - 13.1 mi

Top 16%
×1human
+6ft-6ft

Overall

630

Males

478

M40-44

37

Passing Analysis

Category:
Athletes Passed
117*
Passed By
223
Net Change
-106
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#610
2M → 4M2740-13#610#623
4M → 6M1936-17#623#640
6M → 8M578-73#640#713
8M → 10M12*40-28#713#741
10M → 12M2723+4#741#737
12M → Finish276+21#737#716
TOTALS117*223-106

* 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