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SF MARATHON 2ND HALF 2026

Margaret Peterson

Bib: 26251•F•Age: 58

Pacifica, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 3840
Gender (Female)
#0 / 1760
Masters (Masters Women)
#0 / 365
Division (F55-59)
#0 / 63
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
11:47/mi
23:35
↑ 138↓ 680.7%
4M
11:00/mi
45:35
↑ 1631.4%
6M
15:22/mi
1:16:20
↑ 55↓ 830.3%
8M
8:33/mi
1:33:26
↑ 65↓ 1510.8%
10M
11:34/mi
1:56:33
↑ 61↓ 1741.1%
12M
12:37/mi
2:21:47
↑ 41↓ 530.1%
Finish· 13.11 mi
13:13/mi
2:36:26
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:16:20
Pace12:43 /mi
2nd Half
Distance7.11 mi
Time1:20:06
Pace11:16 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:14:5423:3511:4723:35
11:47
-
4M
4.00 mi09:36:5445:3511:2422:00
11:00
-0:47
6M
6.00 mi10:07:391:16:2012:4330:45
15:22
+4:22
8M
8.00 mi10:24:451:33:2611:4117:06
8:33
-6:49
10M
10.00 mi10:47:521:56:3311:3923:07
11:34
+3:01
12M
12.00 mi11:13:062:21:4711:4925:14
12:37
+1:03
Finish
13.11 mi11:27:452:36:2611:5614:39
13:13
+0:36

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

8:33 /mi

Average Pace

11:56 /mi

Slowest Pace

15:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

17:06

11% of race

Time at Steady Pace

1:33:56

60% of race

Time at Slower Pace

45:24

29% of race

Average Pace: 11:56 /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 mi09:14:5423:3511:4723:35
11:47
#3207
4M
4.00 mi09:36:5445:3511:2422:00
11:00
#3047
6M
6.00 mi10:07:391:16:2012:4330:45
15:22
#3201
8M
8.00 mi10:24:451:33:2611:4117:06
8:33
#3115
10M
10.00 mi10:47:521:56:3311:3923:07
11:34
#3001
12M
12.00 mi11:13:062:21:4711:4925:14
12:37
#2951
Finish
13.11 mi11:27:452:36:2611:5614:39
13:13
#2972
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
2M2.00 mi2.00 mi32071364402742(Top 71%)1137(Top 65%)33(Top 52%)
4M4.00 mi2.00 mi3047+1601279+8539+12882(Top 75%)1169(Top 66%)38(Top 60%)
6M6.00 mi2.00 mi3201-1541358-7941-23362(Top 88%)1451(Top 82%)44(Top 70%)
8M8.00 mi2.00 mi3115+861306+5240+12696(Top 70%)1079(Top 61%)30(Top 48%)
10M10.00 mi2.00 mi3001+1141248+5837+32531(Top 66%)997(Top 57%)28(Top 44%)
12M12.00 mi2.00 mi2951+501223+2536+12742(Top 71%)1137(Top 65%)33(Top 52%)
Finish13.11 mi1.11 mi2972-211235-1238-23114(Top 81%)1347(Top 77%)40(Top 63%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 71%
×9story building
+138ft-68ft

Overall

2742

Females

1137

F55-59

33

2M→4M

2.0 - 4.0 mi

Top 75%
×13story building
+163ft-19ft

Overall

2882

Females

1169

F55-59

38

4M→6M

4.0 - 6.0 mi

Top 88%
×4story building
+55ft-83ft

Overall

3362

Females

1451

F55-59

44

6M→8M

6.0 - 8.0 mi

Top 70%
×10story building
+65ft-151ft

Overall

2696

Females

1079

F55-59

30

8M→10M

8.0 - 10.0 mi

Top 66%
×10story building
+61ft-174ft

Overall

2531

Females

997

F55-59

28

10M→12M

10.0 - 12.0 mi

Top 71%
×3story building
+41ft-53ft

Overall

2742

Females

1137

F55-59

33

12M→Finish

12.0 - 13.1 mi

Top 81%
×1human
+6ft-6ft

Overall

3114

Females

1347

F55-59

40

Passing Analysis

Category:
Athletes Passed
459*
Passed By
224
Net Change
+235
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3207
2M → 4M17111+160#3207#3047
4M → 6M14168-154#3047#3201
6M → 8M88*2+86#3201#3115
8M → 10M118*4+114#3115#3001
10M → 12M555+50#3001#2951
12M → Finish13*34-21#2951#2972
TOTALS459*224+235

* 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